Is There a Future for Precision Mental Health Care for Anxiety Disorders in Children?
November 12, 2024YCSC Grand Rounds November 12, 2024
Jennie Hudson, PhD, Professor and Director of Research, Black Dog Institute, University of New South Wales
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- 00:02Hello, everybody. Hi. Good afternoon.
- 00:05Hi, everybody. I'm I'm I'm
- 00:07I'm Wendy Silverman.
- 00:09I'm, I directed Ellie Leibovitz,
- 00:11the anxiety program
- 00:13here at the Charles Studies
- 00:14Center, and I'm
- 00:16so thrilled that a world
- 00:19famous child anxiety researcher from
- 00:22Australia
- 00:23is here.
- 00:24And, her name is the
- 00:25professor Jenny Hudson. I know
- 00:27Jenny for a long time
- 00:28because of her excellent work,
- 00:31And,
- 00:32she's
- 00:33known all over the world,
- 00:34and she's especially
- 00:36a a rock star all
- 00:37over, but a super rock
- 00:39star in Australia,
- 00:41where she is now I
- 00:41have to take my glasses.
- 00:43Where she is a fellow
- 00:45of the
- 00:45Australian Academy of Social Sciences
- 00:48and the what would be
- 00:49the equivalent of NIMH, the
- 00:51National Health and Medical Research
- 00:53Council.
- 00:54And she is also very
- 00:56heavily involved in Australian policy
- 01:00with with regard to child
- 01:01mental health. She chairs in
- 01:02Australia the government policy,
- 01:05committee of child mental health
- 01:07research plan.
- 01:09And she's also now participating
- 01:11in the Young Minds Matter,
- 01:13our future, which is also
- 01:15a Australian government department of
- 01:17health,
- 01:18initiative.
- 01:19So besides her incredible
- 01:21work in the public
- 01:23policy and sphere, she as
- 01:25I said, she's
- 01:26incredibly renowned in her work
- 01:28in child anxiety
- 01:29and developing,
- 01:31innovative interventions that involve parents
- 01:34and children and
- 01:35is now moving in the
- 01:37direction of,
- 01:39digital mental health. So I
- 01:41could go on and on,
- 01:42but and I I also
- 01:43just say she's
- 01:44fabulous. And if I may
- 01:46reveal a secret, she had
- 01:47her first pastrami sandwich in
- 01:49New York City
- 01:50last night,
- 01:52at Katz's Delicatessen
- 01:54in the Lower East Side.
- 01:55So,
- 01:57for those of you who
- 01:58may not know that, I'll
- 01:59take you also to, Katz's
- 02:01Delicatessen
- 02:02in the Lower East Side
- 02:02of Manhattan. Okay. So and
- 02:05and she's here to still
- 02:07you know, eating a sandwich
- 02:08like this is no easy
- 02:09task because she's still able
- 02:11to be with us now,
- 02:12after this unbelievable
- 02:14pastrami sandwich.
- 02:16I'm not gonna talk about
- 02:17the and the other stuff.
- 02:18She could tell you about
- 02:19that.
- 02:26I can highly recommend the
- 02:27Wendy Silverman tour of the
- 02:29Lower East Side. It is
- 02:31excellent.
- 02:32We had a fun time,
- 02:33over the weekend, so thank
- 02:35you.
- 02:36And a big thank you,
- 02:37Wendy, for having me here
- 02:38today. It's a pleasure to
- 02:40be able to present to,
- 02:42this incredible group of people
- 02:44here at Yale
- 02:45Child Study Centre. I've, admired
- 02:48Wendy's work for a very
- 02:49long time as well as,
- 02:51Ellie's
- 02:52and, Alan Kasdan as well.
- 02:54So it's very, it's a
- 02:55privilege for me to be
- 02:56here and share with you
- 02:57the work that I have
- 02:59been doing.
- 03:01So I'm kind of thinking
- 03:02about what I wanted to
- 03:03present today,
- 03:06and thinking about kind of
- 03:06the work that I've been
- 03:07doing. This one question that's
- 03:09been on my mind that
- 03:10I thought I would
- 03:11spend the time kind of
- 03:12going through the data
- 03:14and also,
- 03:16I suppose, exploring this idea
- 03:18whether or not there is
- 03:19a future for precision mental
- 03:21health
- 03:22in anxiety disorders in children.
- 03:25We've had there's been a
- 03:27lot of talk around personalized
- 03:29care and also precision
- 03:31mental health. So I use
- 03:33this kind of slightly different
- 03:34term. So personalisation,
- 03:35I think, can be
- 03:37any adaptation really that a
- 03:39person might make to therapy.
- 03:42You know, maybe you're tailoring
- 03:44something to a a specific
- 03:46child because of their presentation
- 03:48or maybe their interests.
- 03:50But
- 03:51that's kind of personalising
- 03:53it's not really driven by
- 03:55data.
- 03:56So when I say precision
- 03:57mental health or precision mental
- 03:59health care, precision care, it's
- 04:01about
- 04:02personalization that's driven by data,
- 04:05which,
- 04:06they're they're both quite different
- 04:07things.
- 04:08So
- 04:10I do think that that
- 04:11kind of personalization,
- 04:13there's always gonna be a
- 04:14future for that because that's
- 04:15how clinicians work. As a
- 04:16clinician, you always
- 04:18tailor your
- 04:19approach and, you know, you're
- 04:21not gonna approach a seven
- 04:23year old in the same
- 04:24way that you would approach
- 04:25a sixteen year old boy,
- 04:26seven year old girl, for
- 04:28instance.
- 04:28And you'll you'll have a
- 04:30different style in the way
- 04:31that you interact with the
- 04:32child and with the family.
- 04:34But that's based on kind
- 04:35of your clinical judgment. It's
- 04:37not necessarily based on getting
- 04:39better outcomes.
- 04:40So for me, the idea
- 04:41of precision mental health care
- 04:43is is more about personalising
- 04:46that's going to improve treatment
- 04:48outcomes.
- 04:49So what is it that
- 04:50you will do,
- 04:52that will be better for
- 04:53the seven year old as
- 04:54opposed to the sixteen year
- 04:55old that's based on data
- 04:57that is gonna improve outcomes?
- 05:00So the the slightly different
- 05:01things, but I just wanna
- 05:02make it clear they were
- 05:03the different definitions that I
- 05:05use. And it's the precision
- 05:07medicine,
- 05:08the precision mental health care
- 05:09that I'm not a hundred
- 05:10percent sure about. I'm not
- 05:12sure whether there is a
- 05:13future for it. So I'm
- 05:14gonna take you through
- 05:17as I would never have
- 05:18said that maybe five or
- 05:19ten years ago, as I
- 05:21thought, for sure, this is
- 05:22where where where we were
- 05:24headed. But I've become a
- 05:25little bit more skeptical,
- 05:28and I'm not yet convinced.
- 05:29I'm still hopeful, though. I'm
- 05:31still very hopeful that there
- 05:32there is a future, but
- 05:33I wanna take you through
- 05:34the data,
- 05:35that I've been working on
- 05:36and others around the world
- 05:37have been working on as
- 05:38well. I've even slipped in
- 05:39a slide of Wendy's work.
- 05:44Yeah. That's right.
- 05:46Paying you back.
- 05:48But, yeah, just to see
- 05:49where where we're at. What
- 05:50do we know in terms
- 05:52of data driven decisions
- 05:53about what is gonna improve
- 05:55outcomes for children and young
- 05:57people?
- 05:59Alright. And then you can
- 06:00make your own decisions about
- 06:01it as well. I'd be
- 06:02keen to hear from everyone
- 06:04here what you what you
- 06:05think about it, whether or
- 06:06not there is a is
- 06:07a future.
- 06:08Am I too jaded already,
- 06:10or,
- 06:12am I not looking at,
- 06:13yeah,
- 06:14the possibilities?
- 06:16Alright. So before I get
- 06:17started, though, just wanted to
- 06:19make sure that, you're aware
- 06:20that I have no financial
- 06:21interest to disclose that are
- 06:22relevant to the what I'm
- 06:24talking about today.
- 06:29You already understand about anxiety
- 06:31disorders and how common,
- 06:34impairing they are because I'm
- 06:35sure you hear Wendy talk
- 06:36about it all the time
- 06:37and, Ellie,
- 06:39but I just wanted to
- 06:41take you before I started
- 06:42talking about the personalization a
- 06:43little bit more about,
- 06:46the fact that anxiety disorders
- 06:48are still overlooked. And people
- 06:50might not necessarily
- 06:51think that anymore,
- 06:52but
- 06:54when you see what's happening
- 06:55in the community and particularly
- 06:57within children
- 06:58and in Australia, they are
- 07:00still very much overlooked,
- 07:02in terms of being considered,
- 07:04a mental disorder or something
- 07:06that's impairing and something that
- 07:07we need to take seriously.
- 07:10And I think in Australia,
- 07:12this comes about because of
- 07:14a common belief
- 07:15that mental disorders don't start
- 07:17until adolescence. I don't know
- 07:19if that's something that
- 07:21is is a common. You're
- 07:22here in the child study
- 07:23center, so you're kinda focusing
- 07:25on kids.
- 07:26But in Australia, there is
- 07:27a lot of focus on
- 07:29adolescents, and that is where
- 07:31a lot of interventions and
- 07:32a lot of government money
- 07:33has been spent on improving
- 07:35interventions for adolescents.
- 07:37With the assumption that children
- 07:39don't experience
- 07:41disorders like anxiety or depression,
- 07:42that it doesn't start until,
- 07:44till adolescence.
- 07:46And this really comes about
- 07:47from,
- 07:49Ron Kessler's
- 07:50original,
- 07:52age of onset paper,
- 07:54which says the median age
- 07:56of onset. So this is
- 07:57kind of national prevalence data
- 07:59from, the US and around
- 08:00the world,
- 08:02looking at you know, asking
- 08:04people asking adults
- 08:06when at what age did
- 08:07they first start to experience
- 08:08anxiety symptoms, or what age
- 08:10did they first start experiencing
- 08:11depressive symptoms.
- 08:13And when you take the
- 08:14median age of onset of
- 08:15all of the disorders, so
- 08:16it's kind of all the
- 08:17high prevalence disorders,
- 08:19you get this median age
- 08:20of onset of fourteen.
- 08:22But people misinterpret
- 08:24what a median age of
- 08:25onset is.
- 08:27Like, for me as a
- 08:28parent, if I was to
- 08:29hear that in the literature
- 08:31that in the community that
- 08:34mental disorders start at fourteen.
- 08:35That's when I'd start to
- 08:36focus on, okay, I need
- 08:37to I've got a fourteen
- 08:38year old, this is when
- 08:39I need to be concerned
- 08:40about, when I need to
- 08:41look out for mental disorders
- 08:43or mental health symptoms.
- 08:45But that's it's a median
- 08:46age of onset. Right? So
- 08:48by the time,
- 08:49a child reaches fourteen,
- 08:51if you were going to
- 08:52develop a a disorder,
- 08:53fifty percent of those people
- 08:55will have already experienced
- 08:57clinical
- 08:58symptoms.
- 08:59But
- 09:01what's even more important about
- 09:02this age of onset
- 09:04data
- 09:05is that it it's pulled
- 09:06together
- 09:07of all of
- 09:09mental disorders. So when you
- 09:11pull it out
- 09:12a little bit more
- 09:17There we go. I just
- 09:17need to press a bit
- 09:18harder. So the yellow line
- 09:20is anxiety disorders, and that
- 09:21the median age of onset
- 09:23is actually eleven years. And
- 09:25depression, mood disorders all lumped
- 09:26together, is thirty years. And
- 09:28fourteen is only there because
- 09:31you're pooling data from eleven
- 09:33and thirty. So it's actually
- 09:34not very helpful as a
- 09:35parent to think, okay. Well,
- 09:37this is when I need
- 09:37to start paying attention.
- 09:39And if you dive even
- 09:41deeper to the anxiety disorders,
- 09:43age of onset,
- 09:45starts
- 09:46for specific phobia is five
- 09:48years, separation is seven years.
- 09:50So
- 09:52interventions that start in adolescence
- 09:54are completely missing the boat.
- 09:55You know, these problems have
- 09:57already been around for a
- 09:58really long time.
- 10:00But in Australia, this age
- 10:01of onset of fourteen has
- 10:03been used to argue for
- 10:04interventions being delivered
- 10:06in adolescence. So that's where
- 10:08we have our services.
- 10:09And if you're a child
- 10:10presenting with anxiety and depression,
- 10:13you don't get help until
- 10:14you're a teenager.
- 10:16Unless maybe there's suicidal risk
- 10:18or self harm, then you
- 10:19might get to see community,
- 10:21care. Otherwise, you pretty much
- 10:23wait until you're an adolescent
- 10:25because that's when the services
- 10:26are. And a lot of
- 10:27kids age out of the
- 10:29child services while they're waiting
- 10:30because there is such a
- 10:31huge demand because mental disorders
- 10:34do not start in adolescence.
- 10:35They're starting in childhood, and
- 10:37then we're missing the boat.
- 10:39So
- 10:41the the other thing about
- 10:43this data is that it's
- 10:45all from
- 10:46adults. There's no children or
- 10:48adolescents included in this age
- 10:50of onset data.
- 10:52There is prevalence data around
- 10:53that asks about age of
- 10:54onset for kids, so we're
- 10:55trying we're doing a meta
- 10:57analysis at the moment,
- 10:58systematic review,
- 11:00pooling all of the data
- 11:01for
- 11:03children and adolescent prevalence studies
- 11:05to see if there's a
- 11:06difference in age of onset.
- 11:08Obviously, there will be because
- 11:09we won't have those kids,
- 11:10who are developing
- 11:11problems in adulthood.
- 11:13But if we get closer
- 11:14to the time and asking
- 11:16parents as well, when did
- 11:17these problems first begin? I
- 11:19think we're gonna get a
- 11:20very different picture.
- 11:25Alright.
- 11:26So the work that we've
- 11:27real really been doing,
- 11:29is trying to improve the
- 11:31lives of children and teenagers
- 11:34with anxiety disorders, not just
- 11:35teenagers, but both kids and
- 11:37teens.
- 11:38And we've been doing a
- 11:39lot of work on clinical
- 11:40trials, trying to develop treatments
- 11:43that work,
- 11:45psychological treatments and medication treatments
- 11:47as well, trying to reduce
- 11:49the symptoms and the long
- 11:50term impact that anxiety symptoms
- 11:52and disorders might have on
- 11:54a on a young person
- 11:55and missing out on education,
- 11:57missing out on social interactions.
- 12:01But
- 12:03the big question that we've
- 12:05been really searching for,
- 12:07not just in anxiety disorders,
- 12:09but across mental health research,
- 12:10is being able to answer
- 12:12this question,
- 12:13that was posed by Gordon
- 12:14Paul quite a long time
- 12:16ago, which is what treatment
- 12:18works,
- 12:19by whom,
- 12:20for this individual with that
- 12:22specific problem,
- 12:23under which set of circumstances.
- 12:25So this is really what
- 12:27we've been striving for and
- 12:28the holy grail, really, in
- 12:30in terms of
- 12:32personalised care or improving treatment
- 12:34outcomes. We want a treatment
- 12:36and we want to be
- 12:37able to help children in
- 12:38a way that really matches
- 12:40their needs,
- 12:41and choosing the right treatment.
- 12:44But the kind of underlying
- 12:46assumption of this particular
- 12:48question or series of questions
- 12:50is that personalization or precision
- 12:52is possible, that it will
- 12:54deliver different outcomes.
- 12:56So that's what we've been
- 12:57on this search for is
- 12:59trying to find out is
- 13:00there a treatment that might
- 13:01work differently for different children
- 13:03or does one work better
- 13:04than another?
- 13:06Under what circumstances?
- 13:07So this is what we've
- 13:08really been striving for for
- 13:10quite some time.
- 13:13But personalization itself, like with
- 13:15this question, is not really
- 13:16new. It is something that
- 13:20use my arrow instead. Yeah.
- 13:23The mouse does not like
- 13:24my fingers.
- 13:26Alright. So personalization, as I
- 13:27said before, is not really
- 13:28new. It's something that clinicians
- 13:30have been doing forever,
- 13:32but the the idea of
- 13:33science driven personalization
- 13:35is quite new.
- 13:36In that,
- 13:38at the moment even though
- 13:39clinicians make these choices about
- 13:41okay I'm gonna try this
- 13:42instead of that or I'm
- 13:43gonna, add this particular treatment
- 13:45component at the moment
- 13:48we don't have the science
- 13:49to drive those decisions.
- 13:51We have made some inroads
- 13:53into this and I'm going
- 13:53to take you through some
- 13:54of the work that we
- 13:55have been doing around this
- 13:57space but,
- 13:59yeah, I don't think we're
- 14:00there yet.
- 14:02So really I'll just backtrack
- 14:04a little bit because the
- 14:05most of the work that
- 14:06we have been doing within
- 14:08the child mental health space
- 14:09and within anxiety disorders is
- 14:11a one size fits all
- 14:12approach. It's very different to
- 14:14the what treatment works for
- 14:15whom, under what circumstances.
- 14:18It's if you present with
- 14:19the,
- 14:20with an anxiety disorder, it
- 14:22can be any one of
- 14:23them, generalized anxiety, separation anxiety,
- 14:26specific phobia,
- 14:28social anxiety,
- 14:31even OCD, that the treatment
- 14:33would be very similar.
- 14:34We have this one size
- 14:35fits all.
- 14:38It's different a little bit
- 14:39from adult treatment if an
- 14:40adult might be more likely
- 14:41to present with a,
- 14:43anxiety disorder, like social anxiety
- 14:45disorder, and you might get
- 14:46more disorder specific treatment there.
- 14:49But really, it's, in the
- 14:50child space, it's more a
- 14:52one size fits all. And
- 14:53this makes sense because of
- 14:54high comorbidity between,
- 14:56different symptoms and different disorders,
- 14:59and it seems economical to
- 15:01have this one size fits
- 15:02all approach.
- 15:04And it's true really for
- 15:05both psychological and pharmacological,
- 15:07interventions.
- 15:10So this one size fits
- 15:11all is kind of CBT
- 15:13in this lumped package, and
- 15:14we know that
- 15:16it's,
- 15:17it's been established as a,
- 15:19efficacious treatment for anxiety disorders.
- 15:21There's been many, many trials.
- 15:24And when you look at
- 15:25what those treatment components are,
- 15:27there's lots of different components
- 15:29that make up
- 15:30cognitive behavior therapy. And if
- 15:32you,
- 15:33hear about a a CBT
- 15:35therapy, it can have any
- 15:36one of these components,
- 15:37more emphasis on one over
- 15:39another, but they tend to
- 15:40have a psychoeducation,
- 15:42cognitive restructuring,
- 15:44gradual exposure,
- 15:46where the child faces gradually
- 15:48faces their fears,
- 15:50parent training as well, where
- 15:51parents are encouraged to reduce
- 15:53accommodation
- 15:55or,
- 15:56reduce their overprotection
- 15:58or kind of rushing in
- 15:59to help,
- 16:00and also a relaxation component
- 16:02that goes onto that. But
- 16:03that's kind of the standard
- 16:04treatment,
- 16:06package.
- 16:07That'd be about right for
- 16:08your program at the moment,
- 16:09Wendy, or your standard CBT.
- 16:11Sounds familiar.
- 16:13And we know that CBT
- 16:15works. Like, when you compare
- 16:16it to a wait list,
- 16:17yep. We get really strong
- 16:18effects. Compared to doing nothing,
- 16:21we know CBT works. When
- 16:22we compare it to an
- 16:23attention control,
- 16:24it works better, but the
- 16:26effects are a little bit
- 16:27weaker.
- 16:28When we compare it to
- 16:29treatment as usual, so another
- 16:31treatment, another psychological treatment, the
- 16:34effects are a little bit
- 16:35weaker again. They're there, but
- 16:37not as consistent,
- 16:38and,
- 16:39there's a little bit more
- 16:41limitation in those findings and
- 16:42not as strong.
- 16:44So keep this in mind
- 16:46as I go through these,
- 16:47the next sets of,
- 16:50data as well.
- 16:52But importantly, I want to
- 16:54draw attention to the fact
- 16:55that these effects are all
- 16:57on average. So we've got
- 16:58an average treatment package,
- 17:00and we look at means
- 17:01and standard deviations. On average,
- 17:04how does everybody
- 17:05how does the typical child
- 17:07within the sample
- 17:10fare?
- 17:11And so we have we're
- 17:12kinda lumping
- 17:14all of the children that
- 17:15present,
- 17:16and all of the variation
- 17:18that we do experience and
- 17:20we do see in treatment
- 17:21outcome studies, they're all lumped
- 17:22together.
- 17:24But when we look at
- 17:25that average, we know that,
- 17:27fifty percent fifty to sixty
- 17:29percent of kids are likely
- 17:30to improve.
- 17:32But we don't really have
- 17:33any,
- 17:34methods for predicting or, previously
- 17:37hadn't had any methods for
- 17:38predicting that variability.
- 17:40How do we know who's
- 17:41gonna respond?
- 17:43So
- 17:44and our our,
- 17:46our treatment approaches really
- 17:48will
- 17:49and in terms of guidelines,
- 17:50I know we've got treatment
- 17:51guidelines in Australia, but I
- 17:53know you've also got them
- 17:54here,
- 17:54that,
- 17:56recommend CBT
- 17:57for a child presenting with
- 17:59an anxiety disorder.
- 18:00But let's just say we've
- 18:01got two different children.
- 18:03We've got a,
- 18:04Keira, a nine year old.
- 18:06She's,
- 18:08they're both, both of these
- 18:10children are
- 18:11medication naive. They've never had
- 18:13any,
- 18:14medications
- 18:17before.
- 18:19Keira is a nine year
- 18:21old. She comes from her
- 18:22dad found her dad's family
- 18:23comes from a Polynesian island.
- 18:25Mum was born in India.
- 18:27She's very anxious about her
- 18:28schoolwork and getting things right.
- 18:30She's a bit perfectionistic.
- 18:33She meets criteria for generalized
- 18:35anxiety disorder and social anxiety
- 18:37disorder.
- 18:38Her parents,
- 18:39particularly her dad, is very
- 18:41anxious,
- 18:42and she's also started to
- 18:43experience some mild depressive symptoms.
- 18:46Jay, on the other hand,
- 18:47is a sixteen year old
- 18:48boy. He hasn't previously had
- 18:50huge amounts of anxiety. He's
- 18:51been coping okay. He's just
- 18:53started driving and started experiencing
- 18:55regular
- 18:56panic attacks that are now
- 18:57coming out of the blue.
- 18:59He comes from a a
- 19:00single parent household,
- 19:03and he's been having these
- 19:04panic attacks regularly and seeking
- 19:05treatment.
- 19:07At the moment, our treatment
- 19:08guidelines would say that the
- 19:11CBT
- 19:11treatment is the same.
- 19:14All all we know from
- 19:15science is that you would
- 19:16apply the same approaches. But
- 19:17as a clinician, you'd probably
- 19:18think, well, I do something
- 19:20differently with each of these.
- 19:21But yet at the moment,
- 19:23the science says
- 19:24CBT or is that that's
- 19:26the recommendation.
- 19:29Alright. So we've been trying
- 19:30to move away from this
- 19:31one size fits all approach
- 19:33and trying to understand whether
- 19:36a personalized evidence based or
- 19:37a precision medicine
- 19:39approach
- 19:40might work a little bit
- 19:41better. So the goals of
- 19:43personalization
- 19:44really, you've gotta be able
- 19:45to make an accurate diagnosis
- 19:46or an accurate picture or
- 19:48profile. Doesn't necessarily have to
- 19:49be diagnosis if you don't
- 19:51come from a a medical
- 19:52model.
- 19:53Being able to predict what
- 19:55that individual risk is, being
- 19:57able to predict how likely
- 19:58the child might be to
- 20:00respond
- 20:01suboptimally to treatment.
- 20:03But the ultimate goal of
- 20:05personalization
- 20:06is really to achieve a
- 20:07more effective
- 20:10response.
- 20:12There are a number of
- 20:13ways to approach personalization or
- 20:15precision medicine in this case.
- 20:17You can adapt treatment for
- 20:19subgroups. So if you've got
- 20:20a child presenting with social
- 20:21anxiety like Kira, in the
- 20:23example before,
- 20:25you may
- 20:26deliver a different treatment and
- 20:28adapt it for children
- 20:30with,
- 20:31particular in particular subgroups.
- 20:35Modular therapies are another kind
- 20:36of precision approach where depending
- 20:39on the presentation, you might
- 20:40add, or subtract different modules,
- 20:44of treatment,
- 20:45components.
- 20:46And there's also more individualized
- 20:49metrics and predictive analytics that
- 20:51are using kind of more,
- 20:53recent techniques to try and,
- 20:56predict ahead of time based
- 20:58on previous sets of data,
- 21:00how likely is it that
- 21:01this child is to respond
- 21:03to treatment.
- 21:05So using
- 21:07predictive analytics
- 21:08or previous datasets to be
- 21:10able to predict
- 21:12with the goal of being
- 21:13of being able to get
- 21:14a better treatment response.
- 21:16And sorry. I should have
- 21:17said this is, the work
- 21:18of a PhD student who's
- 21:19now
- 21:20in the process of becoming
- 21:21a postdoc, Liz Alberti, who
- 21:23also had a pastrami sandwich
- 21:25yesterday and loved it.
- 21:28She's
- 21:29unfortunately, the the
- 21:31the pool of Yale was
- 21:32not quite as strong as
- 21:33New York City, so she's
- 21:34staying in New York City.
- 21:35Sorry to say, everyone.
- 21:37But,
- 21:38she's having fun driving around
- 21:40Central Park today instead. It's
- 21:42her first trip.
- 21:44Anyway, she's been doing this
- 21:45work as part of her
- 21:46PhD in trying to look
- 21:47at,
- 21:48how we can shift the
- 21:50field
- 21:51more towards,
- 21:52using science to drive personalization.
- 21:55So the different methods that
- 21:56you might want to use
- 21:57to get towards
- 21:59personalization or precision medicine, you
- 22:01want to understand what the
- 22:02predictors are, so which children
- 22:04are likely to respond to
- 22:05treatment.
- 22:06And then also, really importantly,
- 22:08what are the moderators?
- 22:09Just knowing who's gonna have
- 22:11suboptimal
- 22:12responses
- 22:13is not helpful if we
- 22:14don't know anything
- 22:15if we don't know what's
- 22:16gonna work better for them.
- 22:18And then mediators are also
- 22:20important,
- 22:21less so for the baseline,
- 22:23predictors,
- 22:25and predictive metrics, but it's
- 22:27important in being able if
- 22:28we're targeting
- 22:29treatments that
- 22:30actually work on the mechanisms
- 22:33that that's perhaps what we
- 22:34can target,
- 22:35to personalize care.
- 22:39Alright. So
- 22:41I wanna focus just a
- 22:42little bit on the predictors
- 22:44aspects. That's some of the
- 22:45work that we've been doing,
- 22:46looking at what predicts treatment
- 22:48outcomes. So
- 22:49can we identify
- 22:51ahead of time so when
- 22:52a child presents to treatment,
- 22:55can we identify who's which
- 22:57one of them which which
- 22:58of the children is not
- 22:59gonna respond favorably?
- 23:01So rather than this,
- 23:04you know, kind of going
- 23:05and treating everybody the same,
- 23:06it's before that treatment starts,
- 23:10what is it who's gonna
- 23:12respond to that treatment?
- 23:14And we're actually in a
- 23:15pretty good place
- 23:17in the last five years
- 23:18in terms of answering that
- 23:20question. The moderators not so
- 23:21much but predictors we we
- 23:23have a much better understanding
- 23:25of.
- 23:27One of the things that's
- 23:28complicated this piece of work
- 23:29is around the the,
- 23:31the issues around methods,
- 23:33that there are a lot
- 23:34of different methods to look
- 23:36at treatment effects.
- 23:37So we have,
- 23:39we also use in in
- 23:41child work, we use the
- 23:42clinicians report, we use parent
- 23:44report, and we use child
- 23:45report,
- 23:47and you can get three
- 23:48different treatment effects,
- 23:50based on those three different
- 23:53reports.
- 23:54So it's then how do
- 23:54you work out what treatment's
- 23:56gonna work,
- 23:57if you're using different methods?
- 23:59You know, which one are
- 24:00you gonna
- 24:01give preference to a priority
- 24:03to? We also have kind
- 24:04of different methods of looking
- 24:06at
- 24:07at the effect. We can
- 24:09use the end point. So
- 24:10remission has the disorder that
- 24:12they started treatment with. Is
- 24:13that no longer there?
- 24:15And that's an end point
- 24:16where they they get to
- 24:18at the end of treatment.
- 24:19Or you can also look
- 24:20at in terms of change
- 24:21in severity.
- 24:23And that change in severity
- 24:25really is determined by how
- 24:26high or how severe they
- 24:28were in the first place.
- 24:29So sometimes
- 24:30when you look at predictors
- 24:31of outcome or even treatment
- 24:33effects, those two different those
- 24:35things will be different in
- 24:36terms of,
- 24:37in terms of
- 24:40effects. Alright. So
- 24:42now ten years ago, we
- 24:43set out on this piece
- 24:44of work looking at, well,
- 24:45what does the literature say
- 24:46so far? What do we
- 24:47know about predictors of outcome?
- 24:50And we did a systematic
- 24:51review at the same time
- 24:52as Michael Fassum did a,
- 24:54systematic review, and we pretty
- 24:55much came to the same
- 24:56conclusion.
- 24:57It's usually devastating when you
- 24:59see that somebody else has
- 24:59done a systematic review at
- 25:01exactly the same time as
- 25:02you, but always reassuring that
- 25:04you come up with the
- 25:05same as the same answer.
- 25:06That's the whole purpose of
- 25:07a systematic review. But,
- 25:09that there were very few
- 25:11consistent predictors.
- 25:13Not that they were not
- 25:14there, it's just that they
- 25:15weren't consistent.
- 25:16There was a few hints
- 25:17in the literature.
- 25:19Social anxiety disorder predicted poorer
- 25:22outcomes and, in fact, generalised
- 25:23anxiety predicted better outcomes.
- 25:27Greater symptom severity predicted greater
- 25:29change but poorer endpoints.
- 25:32Comorbid disorders
- 25:34like, having
- 25:35comorbid depression,
- 25:37in particular, so it wasn't
- 25:39comorbidity
- 25:40generally,
- 25:41predicted
- 25:43poorer treatment response. Although there
- 25:44were some studies in this
- 25:46review that was not just,
- 25:48depression but
- 25:49tended to be associated with
- 25:51poor treatment response,
- 25:54and parent symptoms as well.
- 25:55If a parent also presented
- 25:56with anxiety or depression that
- 25:58the the child had poorer
- 26:00endpoints.
- 26:01But whenever we found a
- 26:03study that showed
- 26:05social phobia, social anxiety predicted
- 26:07outcome, we found another study
- 26:08that didn't show it. So
- 26:09it was so inconsistent that
- 26:10we really we concluded that
- 26:12there was no consistent predictors.
- 26:16But there were so many
- 26:17limitations with the the work.
- 26:19There was you know, we
- 26:21we only ever power our
- 26:22clinical trials to show a
- 26:23treatment effect of, does treatment
- 26:25a work better than treatment
- 26:27b? We never power it
- 26:28enough to be able to
- 26:29look at,
- 26:30predictors or moderators. So all
- 26:32of the the studies in
- 26:33this
- 26:34review tended to be small
- 26:36sample sizes.
- 26:37There was limited power, hence
- 26:39the reason why some studies
- 26:40showed that depression predicted outcome
- 26:43and other studies didn't. If
- 26:44a one
- 26:46sample of a hundred only
- 26:47had five children with, comorbid
- 26:50depression,
- 26:51then,
- 26:52the likelihood
- 26:53of, that study being able
- 26:55to show an effect
- 26:56is very different from, you
- 26:58know, study that had much
- 26:59greater numbers. So we had
- 27:01limited power,
- 27:03different assessment methods, as I
- 27:05talked about, different definitions of
- 27:07outcome.
- 27:08And also,
- 27:09you know, if you look
- 27:10at one variable relating to
- 27:11another and it's only related
- 27:14to it's only related to
- 27:15outcome because of its relationship
- 27:17with another variable,
- 27:18you know, you're gonna get
- 27:19inconsistency depending on whether or
- 27:21not that variable has been
- 27:22controlled for. So it was
- 27:23a lot of mess in
- 27:24the literature. And so we
- 27:25thought, well, what about if
- 27:27we try to address this
- 27:28issue of
- 27:30of limited
- 27:31power and increased our sample
- 27:32sizes? So,
- 27:35Wendy was involved in this
- 27:36work as well where we
- 27:37were actually interested more in,
- 27:39genetic predictors of treatment outcome,
- 27:41which I will mention briefly.
- 27:43But we needed for genetic
- 27:44studies, we needed much larger
- 27:46samples. So it was fantastic
- 27:48because we got much bigger
- 27:49samples,
- 27:50and then we're able to,
- 27:52to have potentially be
- 27:54more power to be able
- 27:55to detect,
- 27:56predictors.
- 27:57We also pulled by that
- 27:58stage. We'd had a number
- 27:59of clinical trials, so we
- 28:00were able to pull the
- 28:01data together. So it's like
- 28:03when you pull data, can
- 28:04we get more of
- 28:07understanding of predictors through through
- 28:09combining
- 28:10RCTs?
- 28:11So this is a study,
- 28:13I did two thousand and
- 28:14fifteen just with our samples
- 28:16that we'd collected within our
- 28:17own lab.
- 28:18And
- 28:20we were able to really
- 28:21consistently show with this much
- 28:23larger sample that children with
- 28:25social anxiety disorder on the
- 28:26left
- 28:27had much poorer outcomes. So
- 28:29it's not that they
- 28:31were not responding. They were
- 28:32responding to treatment, but they
- 28:34just weren't responding as well
- 28:36as children with other presentations.
- 28:38And interestingly,
- 28:39OCD here often people separate
- 28:41that as a separate you
- 28:43know, have a different type
- 28:44of treatment, but we consider
- 28:45it
- 28:46part of the anxiety disorders
- 28:48and showed that actually our
- 28:49CBT works, very well, much
- 28:52better than it does for,
- 28:53social anxiety.
- 28:56We also looked at comorbidity
- 28:58as well and showed that
- 28:59children with comorbid mood disorder
- 29:01had poorer
- 29:03lower remission rates, poorer endpoints.
- 29:06So pooling again this data
- 29:07together was able to consistent
- 29:09like, kind of have a
- 29:10more robust finding and something
- 29:11that we can be more
- 29:12confident in.
- 29:15We also,
- 29:17looked
- 29:18oh, this is the genetic
- 29:19study. So this is an
- 29:20even bigger sample size of
- 29:21fifteen hundred. We looked at
- 29:24this is including,
- 29:26data,
- 29:28from
- 29:29Yale and Florida,
- 29:32combining
- 29:33the data sets from around
- 29:35the world.
- 29:36We had
- 29:37samples from Oxford, from Groningen,
- 29:40from Amsterdam,
- 29:41Denmark, Norway, and Sydney,
- 29:44pulling them together
- 29:45and showed again
- 29:47with social anxiety disorder.
- 29:50This is
- 29:52a change or a change
- 29:53in severity
- 29:54that the slope of the
- 29:55line is it's it it's
- 29:57still improving,
- 29:58but not as well as
- 30:00children with other,
- 30:02primary anxiety disorders.
- 30:06We also looked more closely
- 30:08at parental mental health as
- 30:09well
- 30:10and pulling the data together.
- 30:13And
- 30:14parental psychopathology was also something
- 30:15that was quite inconsistent in
- 30:17the literature. Sometimes it showed
- 30:19an effect and sometimes it
- 30:20didn't. And when we pulled
- 30:22this data together, it helped
- 30:24really understand
- 30:25why that might be is
- 30:26that pre to post, you're
- 30:28getting similar effects regardless of
- 30:29whether or not the parent
- 30:31also experiences anxiety, both mothers
- 30:33and fathers.
- 30:35But
- 30:36the further you go
- 30:38away from the treatment
- 30:39that the clinic,
- 30:41the more that the parental
- 30:43psychopathology
- 30:44impacts on
- 30:45the clinical severity rating of
- 30:46the child's anxiety. So when
- 30:48there's no parental psychopathology,
- 30:51kids continue to,
- 30:53have a lower level of
- 30:55anxiety post treatment on average.
- 30:57But on average,
- 30:59kids who had parents that
- 31:01were more likely to have
- 31:02anxiety and depression,
- 31:04their their symptom levels went
- 31:05back up again. So this
- 31:06pooling of data was really
- 31:08exciting for us. We it
- 31:09came
- 31:11with having a stronger understanding
- 31:13of what predicts poorer outcomes.
- 31:15So being at the point
- 31:16where we can say, okay.
- 31:17When a child presents for
- 31:18treatment,
- 31:19we have a good understanding
- 31:21of who's gonna
- 31:22do less well.
- 31:24So if you have a
- 31:25social anxiety disorder, comorbid mood
- 31:27disorder, and if the parents
- 31:29present with,
- 31:31anxiety or, depression.
- 31:35That's really helpful, but
- 31:38we wanna know what to
- 31:39do with it. Right? Like,
- 31:40how do we we don't
- 31:41wanna not offer them treatment
- 31:42just because we know they're
- 31:43not gonna do as well.
- 31:44We wanna know what to
- 31:46do, what else we can
- 31:47do. So can we actually
- 31:48use this,
- 31:49knowledge to inform treatment decision
- 31:51making?
- 31:53And that's really, I suppose,
- 31:55when we need to look
- 31:55at moderators and what what
- 31:57can
- 31:58what can improve outcomes.
- 32:00We we started on exploring
- 32:02just whether or not we
- 32:03can use this as a
- 32:05precision
- 32:05tool
- 32:07to,
- 32:08you use perhaps in the
- 32:09clinic, not necessarily that will
- 32:11shape your treatment decisions, but
- 32:13in terms of
- 32:15shaping your understanding of treatment
- 32:17outcome
- 32:18of kind of pulling all
- 32:19of these predictors together. So
- 32:21we with this data set,
- 32:22the genetic data set I
- 32:24was talking about before, we
- 32:26looked at the idea or
- 32:27kind of explored the idea
- 32:28of
- 32:30developing
- 32:30a a a risk index
- 32:33that might help us
- 32:35be able to make those,
- 32:36decisions and be able to
- 32:38know who's not gonna respond,
- 32:40well to treatment.
- 32:41So I'm not quite at
- 32:42the moderators yet. So we're
- 32:44changing treatment still back at
- 32:45predictors,
- 32:46just to clarify. So we
- 32:48we created,
- 32:49we we're just using regression
- 32:52methods,
- 32:53and we looked at all
- 32:55the predictors in our data
- 32:56set
- 32:57and,
- 32:59chose those variables that were
- 33:01strong predictors, and then we
- 33:03developed a score. So if
- 33:04a child presented with social
- 33:06anxiety, they got a risk
- 33:07score of one. It was
- 33:08kinda rounded beta weights. They
- 33:09got parental anxiety. If the
- 33:11the either parent had anxiety,
- 33:13we'd give them a risk
- 33:14score of one.
- 33:16And low mood was actually,
- 33:17in this particular model, had
- 33:18a a high beta weight.
- 33:20We're also looking at, genetic
- 33:22predictors as well. I'm not
- 33:23gonna go into that too
- 33:24much today because it was
- 33:25a really exciting
- 33:26initial finding. But as with
- 33:28all genetic studies,
- 33:30or not all of them,
- 33:31almost all of them, it
- 33:32never replicated.
- 33:34So we we did show
- 33:35that,
- 33:36the SS allele looking at
- 33:38differential
- 33:38susceptibility predicted
- 33:40better outcomes that if you
- 33:42were more responsive to your
- 33:44environment,
- 33:45then you responded better to
- 33:46CVT, but we haven't been
- 33:47able to replicate that. So,
- 33:49waiting till the data can
- 33:51catch up to that one.
- 33:52But, anyway, this was just
- 33:54an example of how we
- 33:55added the predictors,
- 33:57the potential risk together to
- 33:59create a score. And then
- 34:00we looked at using that
- 34:01score in another dataset how
- 34:04how likely it is that
- 34:05the child will respond to
- 34:07treatment. So on the left
- 34:08hand side of the graph,
- 34:10children with a score of
- 34:11zero to two,
- 34:13so that's
- 34:14not very many of these
- 34:15predictors. So they had either
- 34:17none of them or maybe
- 34:17just one or two. And
- 34:19you can see response rates
- 34:20are much higher. They're closer
- 34:22to eighty percent. So if
- 34:23you only had this small
- 34:24number of risks risks,
- 34:26then your,
- 34:28your
- 34:29chance of responding to CBT
- 34:31was much higher. Whereas, it
- 34:33was kind of this cumulative
- 34:34risk. The more of these
- 34:35risk factors that you had,
- 34:37the less likely. So if
- 34:39you had a a score
- 34:41of more than five,
- 34:43your chances of remission were
- 34:45really low, kinda dropped to
- 34:46under, you know, forty percent.
- 34:48So we're getting quite a
- 34:50lot of variability in treatment
- 34:51outcome
- 34:52based on baseline predictors.
- 34:57But
- 35:02the really important thing is
- 35:03what works better for them.
- 35:04Right?
- 35:05If we know they're not
- 35:06gonna do well,
- 35:07we need to know
- 35:09what else to do. Do
- 35:10we do CBT plus something?
- 35:12Do we do
- 35:13you know, modular therapy? Do
- 35:15we adapt it for for,
- 35:17these different presentations
- 35:19for social anxiety?
- 35:23But I'm gonna kinda spoil
- 35:24the
- 35:26surprise. I kind of already
- 35:27have, really, that our efforts
- 35:28to identify better treatment alternatives
- 35:31for likely non responders have
- 35:34been really limited.
- 35:35We haven't really got to
- 35:36the point where we can
- 35:37say one treatment works better
- 35:39than another. We've I've been
- 35:41spending the last
- 35:43fifteen
- 35:44years trying to
- 35:46develop a treatment that might
- 35:47be better,
- 35:49and it has not led
- 35:50to anything very fruitful,
- 35:52which is really disappointing. A
- 35:54lot of grant money that's
- 35:55gone into looking at does
- 35:56this treatment work better than
- 35:58that, but we haven't got
- 35:59to that point.
- 36:01There's a couple of hints
- 36:02though, so I haven't lost
- 36:03sight entirely.
- 36:05I'm gonna take you through
- 36:06the journey anyway.
- 36:07So, just
- 36:09I'll take you through
- 36:11the number of
- 36:13clinical trials that have had
- 36:15a negative outcome or not
- 36:16the outcome we were expecting,
- 36:18not negative, I should say.
- 36:19Alright. So we started on
- 36:20social anxiety disorder. So if
- 36:22we know that children with
- 36:23social anxiety disorder are not
- 36:25likely to not as likely
- 36:26to improve, maybe we need
- 36:28a disorder specific approach for
- 36:30those kids. Maybe this one
- 36:31size fits all is not
- 36:33the best
- 36:34best approach.
- 36:35So we looked at the
- 36:36adult literature, and there was
- 36:37some hint of this in
- 36:38the adult literature as well
- 36:39for social anxiety disorder that,
- 36:43approach
- 36:44that focuses more on behavioral
- 36:46experiments,
- 36:47giving video feedback,
- 36:49more safety behaviors,
- 36:50attention training, and exposure to
- 36:52costs.
- 36:53But that,
- 36:55so kind of, what I
- 36:57mean by exposure to costs
- 36:58is,
- 37:00facing, like, an exposure where
- 37:02a child has to deliberately
- 37:03get laughed at in front
- 37:04of others or,
- 37:06you know, kind of that
- 37:07exposure
- 37:08to the dreaded the dreaded
- 37:10situation. But that idea
- 37:12that we're trying to make
- 37:14targeting the mechanisms of social
- 37:15anxiety more specifically.
- 37:20And
- 37:22Sue Spence did a study
- 37:23on this also from Australia
- 37:24showing,
- 37:25kind of, it was an
- 37:26online version transdiagnostic
- 37:28versus disorder specific. So kind
- 37:30of a one size fits
- 37:31all to the disorder specific
- 37:33approach and found very little
- 37:34difference between the two.
- 37:37No difference, but there was
- 37:38a highlight of dropout because
- 37:39of the was the online,
- 37:41attrition in this
- 37:43particular study, and she didn't
- 37:44have the video feedback aspect.
- 37:47So we,
- 37:48misguidedly
- 37:49embarked on a new clinical
- 37:50trial where we, which we
- 37:52targeted those a little bit
- 37:53more specifically,
- 37:55but,
- 37:56there was some effects that
- 37:57follow-up,
- 37:59kids were slightly
- 38:01better,
- 38:02with the disorder specific treatment,
- 38:04but it wasn't robust across
- 38:06across measures,
- 38:08and it was a very
- 38:10weak effect. And if you're
- 38:11making decisions at a policy
- 38:13level, what treatment to deliver,
- 38:16yeah, there wouldn't be much
- 38:18justification
- 38:18for this disorder specific treatment.
- 38:22That's the same.
- 38:24So that was a little
- 38:25bit disappointing that the idea
- 38:26of disorder specific treatment might
- 38:28not be the solution for
- 38:30social anxiety disorder.
- 38:32I wanted to also present
- 38:33some work that has not
- 38:35come out of, my lab,
- 38:36but, John Weiss and Bruce
- 38:38Chorpedo have been using this
- 38:39modular approach
- 38:41to depending on how the
- 38:42child presents, if I had
- 38:43to present with anxiety, they
- 38:44give them an anxiety module.
- 38:46If they present with depression,
- 38:47they get a depression module.
- 38:48It's that match treatment if
- 38:50you're familiar with it.
- 38:52And
- 38:53here,
- 38:54you can see the effects
- 38:55for the modular treatment on,
- 38:58internalizing symptoms are much better.
- 39:01But, again, it's not a
- 39:02consistent finding. It's not across.
- 39:04It's only in this symptom
- 39:06measure. It's not in remission
- 39:07rates.
- 39:08And, it hasn't been able
- 39:10to be replicated either.
- 39:12So I'm not necessarily convinced
- 39:14that this modular approach,
- 39:17is working. You could,
- 39:18consider adding a depression module
- 39:21for,
- 39:22you know, with a standard
- 39:23anxiety protocol, it may lead
- 39:25to better outcomes. But at
- 39:26this stage, I'm not necessarily
- 39:28convinced by the data. And
- 39:29I can see Wendy shaking
- 39:30her head. She's not either.
- 39:35So we also tried Okay.
- 39:36Well, if parents who have
- 39:38anxiety,
- 39:39and those children are less
- 39:40likely to do well, what
- 39:41if we add treatment for
- 39:43parents at the same time
- 39:44and give parents more skills,
- 39:46to be able to manage
- 39:47their own anxiety? Would that
- 39:48have better longer term outcomes
- 39:50for kids? Do you know
- 39:52what the answer's gonna be?
- 39:54No. It does not.
- 39:56Alright. So additional treatment.
- 39:58There was maybe a weak
- 40:00effect at post, but it
- 40:02was washed out by three
- 40:03months later.
- 40:05And it yeah. It Again,
- 40:07with quite a good sample
- 40:09of two zero nine,
- 40:10a hundred and something in
- 40:11each condition,
- 40:13there was no
- 40:14strong evidence that we should
- 40:16be giving one treatment to
- 40:18a child over another.
- 40:23Cathy Cresswell did a very
- 40:25similar trial to the one
- 40:26that we did looking at
- 40:28treatments for anxious parents, tested
- 40:30all sorts of different,
- 40:32methods either focusing on the
- 40:33parenting or focusing on parent
- 40:35child interaction
- 40:37versus a standard CBT, and,
- 40:38again, no difference.
- 40:41So this kind of search
- 40:42for,
- 40:44an enhanced treatment or a
- 40:46better treatment,
- 40:47we're just not finding it.
- 40:49So and particularly with the
- 40:50answer to prayer and anxiety,
- 40:51we haven't really solved that.
- 40:52There's, you know, perhaps perhaps
- 40:53some hint around the modular
- 40:54treatment, but we haven't really
- 40:56solved the problem of what
- 40:58to do with it if
- 40:59a family presents with,
- 41:01the parent experiencing anxiety as
- 41:03well as the child.
- 41:07I swore I wasn't gonna
- 41:08come back to this genetic
- 41:09stuff, but I
- 41:10forgot I had this slide
- 41:11in here. So,
- 41:13I'll just briefly touch on
- 41:14it because we did this
- 41:15hasn't been replicated.
- 41:17So,
- 41:18yeah,
- 41:20hold your judgment of it.
- 41:22But, we actually found,
- 41:24a moderation based on polygenic
- 41:26risk scores.
- 41:28In one sample, we looked
- 41:29at,
- 41:30differential susceptibility.
- 41:32So we looked at genetic
- 41:33markers
- 41:34or a polygenic risk score
- 41:36for susceptibility.
- 41:37So it's those children who
- 41:39were more likely to respond
- 41:40to their environment. So I
- 41:41don't know if you know
- 41:42about the orchids and dandelion,
- 41:45child, that that idea where
- 41:46differential susceptibility is about, that
- 41:48there's kids that are very
- 41:50responsive to their environment. They
- 41:51can thrive in the right
- 41:53conditions, but in the wrong
- 41:54conditions, they will not thrive
- 41:56like most of the orchids
- 41:57in my that I have
- 41:59attempted to,
- 42:00to raise.
- 42:02They tend to just never
- 42:03survive. Whereas the dandelion is
- 42:05the idea. It doesn't matter
- 42:06what kind of environment. They
- 42:07can grow inside the road,
- 42:09anywhere. They'll be they'll thrive.
- 42:10So that's the idea of
- 42:11differential susceptibility. So we were
- 42:13interested in, first of all,
- 42:14whether or not that would
- 42:15predict treatment outcome,
- 42:18as a predictor. But then
- 42:19we also started to play
- 42:20around with, you know, was
- 42:22there any moderators. So
- 42:24as I said, we haven't
- 42:25been able to replicate the,
- 42:27prediction
- 42:28and also haven't been able
- 42:29to replicate this finding, but
- 42:31it's still very interesting from
- 42:34a a personalization
- 42:35or,
- 42:36trying to understand
- 42:37can we experience can we
- 42:39detect
- 42:40differential effects.
- 42:42So this was the large,
- 42:45genetic samples, fifteen hundred children.
- 42:48They either received individual CBT,
- 42:50they might have received group
- 42:51CBT,
- 42:52or parent led CBT.
- 42:54So they kind of vary
- 42:56in intensity in a way.
- 42:57Individual is one therapist with
- 42:59one family or one child.
- 43:02Group is kind of less
- 43:04intense in that you've got
- 43:05one therapist to five or
- 43:07six kids. And then parent
- 43:08led is that there's no
- 43:09therapist. That's really the parent
- 43:11as a therapist.
- 43:14And we actually found what
- 43:15we would have expected
- 43:17in that,
- 43:19those kids who are high
- 43:20on differential susceptibility,
- 43:22so the orchid children,
- 43:24that's I know that's a
- 43:24terrible label. I suppose it's
- 43:26better than a diagnostic label,
- 43:27isn't it? Orchid children,
- 43:30were more
- 43:31had better remission rates if
- 43:33they received individual therapy,
- 43:36compared to
- 43:38children who were
- 43:40high in differential
- 43:42susceptibility, but if they received
- 43:43parent led CBT. So if
- 43:45they didn't have the the
- 43:46treatment that wasn't as intensive
- 43:48and was led by the
- 43:49parent,
- 43:50then they were
- 43:51they had lower likelihood of
- 43:53remission.
- 43:56Potentially,
- 43:57a genetic
- 43:58moderation,
- 44:01but it hasn't been replicated
- 44:03yet. And, actually, I don't
- 44:04know whether,
- 44:06at least in my lifetime,
- 44:07it would be replicated because
- 44:08it's it's a very difficult
- 44:10study to
- 44:11run and,
- 44:13yeah. It's a it's a
- 44:14hint that there may be
- 44:15something there.
- 44:18Alright. In terms of improving
- 44:20outcomes,
- 44:22we
- 44:24there's a study not me.
- 44:26Sorry.
- 44:27Walkup and colleagues
- 44:28did in two thousand and
- 44:30seven looking at, well, what
- 44:31about if we added medication
- 44:32to CBT? Could we get
- 44:33better outcomes?
- 44:35And it was very exciting
- 44:36in the in the literature.
- 44:37It was pretty robust finding
- 44:39that,
- 44:40across all measures, pretty much
- 44:42that if you got CBT
- 44:44plus sertraline,
- 44:46that those kids had much
- 44:47better outcomes compared to CBT
- 44:49alone or sertraline alone,
- 44:53and a lot better than
- 44:54placebo. So that's pretty convincing.
- 44:55And I think in the
- 44:56in the US, at least,
- 44:57there was a big shift
- 44:58in treatment that kids were
- 45:00getting this combination of of
- 45:02treatment.
- 45:03But when I saw these
- 45:04findings, I wasn't particularly convinced
- 45:06about it because
- 45:07if you,
- 45:08as a as a parent,
- 45:10as a child,
- 45:11going in to see a
- 45:12psychiatrist and a psychologist, you
- 45:14know you're getting the best
- 45:15treatment. And
- 45:16compared to kids just receiving
- 45:18a treatment from a psychologist
- 45:20or receiving treatment,
- 45:21a medication treatment.
- 45:22So those families that were
- 45:24receiving double care were actually,
- 45:27that they they weren't,
- 45:29they were aware of their
- 45:31superiority of their treatment. So
- 45:33maybe they had an impact.
- 45:34So I went about doing
- 45:35a,
- 45:37oh, yeah, not adequately controlled.
- 45:39So I did a it's
- 45:40a smaller study, but it
- 45:42was just two groups,
- 45:43CBT and sertraline and CBT
- 45:45in a sugar pill, and
- 45:46no difference.
- 45:48This study doesn't get cited
- 45:49because it's nowhere near as
- 45:52palatable to the drug companies
- 45:54that we and also, you
- 45:56know, not particularly useful in
- 45:57terms of implications
- 45:59that we just need to
- 45:59give kids sugar pills. That's
- 46:01not the answer. But the
- 46:02idea that maybe
- 46:03the expectations
- 46:04of medication
- 46:05might work to enhance our
- 46:08outcomes. Alright. So there's also
- 46:10some other hints in the
- 46:11literature about what might improve
- 46:13treatment outcomes for kids. We
- 46:14know that the more exposures
- 46:16that happen in a treatment,
- 46:17so the,
- 46:19therapist led exposures
- 46:21and also more exposures at
- 46:22home,
- 46:23and also the more challenging
- 46:24exposures. So rather than just,
- 46:27small tasks where a child
- 46:28has to raise their quest
- 46:30raise their hand in class,
- 46:31but actually doing something really
- 46:33challenging, like deliberately making a
- 46:35mistake in front of the
- 46:36school assembly,
- 46:37that the more challenging the
- 46:39exposures are, the better outcomes.
- 46:40So this was really helpful
- 46:43for me. I kind of
- 46:44shifted after seeing this literature
- 46:46thinking, okay. Well, we really
- 46:48need to focus more on,
- 46:50exposures and
- 46:54improving
- 46:56that
- 46:57component in the in the
- 46:58treatment.
- 47:02But when you look at
- 47:03what actually clinicians do in
- 47:04the community, very few receive
- 47:07or,
- 47:09they're less likely to favor
- 47:11exposure techniques. This is a
- 47:12bit of a hard graph
- 47:13to read, but this we
- 47:14asked the clinicians in Australia
- 47:16what techniques they use to
- 47:17treat children with anxiety disorders.
- 47:18We had a whole list,
- 47:19and then we, had a
- 47:21look at it. And, actually,
- 47:23I've cut it off at
- 47:23the top of the graph,
- 47:24but exposure was up there
- 47:26with psychodynamic
- 47:27techniques that people are likely
- 47:29to use in terms of,
- 47:31the
- 47:32one to five scale frequency
- 47:34of use. But people are
- 47:35much more likely to use
- 47:36psychoeducation,
- 47:37much less likely to use
- 47:39exposure.
- 47:40We did another study asking
- 47:41kids in the community who
- 47:43had anxiety,
- 47:44what type of treatment did
- 47:45you receive? And actually, very
- 47:47few children reported
- 47:49using this technique that we
- 47:50think is really critical.
- 47:52So there's limited research on
- 47:54the technique specifically in young
- 47:55people. So that's the some
- 47:56of the work that I've
- 47:57been doing, which I'm not
- 47:58gonna go too much into
- 48:00today because we're running out
- 48:01of time. I wanna make
- 48:02sure we've got time for
- 48:03questions, but I'm on this
- 48:04mission to try and make
- 48:05expo exposure cool again because
- 48:07nobody is using it,
- 48:09and,
- 48:10trying to
- 48:11use it more effectively. And
- 48:12so we're doing some work.
- 48:13We've done a developed a
- 48:15parent led digital intervention called
- 48:17Courage Quest,
- 48:18where parents can take their
- 48:20their kids through this quest
- 48:22of trying to,
- 48:26face their fears and use
- 48:27exposure. We're actually doing a
- 48:28factorial design. I'm not gonna
- 48:30spend too much time on
- 48:30it because it's a little
- 48:31bit of a sidetrack,
- 48:32but we're looking at five
- 48:33different features trying to test,
- 48:36what might make exposure work
- 48:38more effectively and to be
- 48:39able to give clinicians a
- 48:41little bit more information about,
- 48:43how to use exposure effectively
- 48:45and what might make it
- 48:46work better.
- 48:48Alright. That was a bit
- 48:49of a bit of a
- 48:50tangent. I wanna come back
- 48:51to,
- 48:53differential treatment effects and moderators.
- 48:55We did another systematic review
- 48:57that Lizelle's just submitted,
- 48:59for publication trying to look
- 49:01at
- 49:02moderators. Do we know what's
- 49:03gonna work better for these
- 49:04kids?
- 49:06There was fifty five studies
- 49:08that looked at moderators
- 49:09on thirty eight trials
- 49:11and
- 49:12lots of different control conditions,
- 49:15and you can predict the
- 49:17outcome. No definitive effects were
- 49:19identified.
- 49:22No clear moderation or differential
- 49:24treatment effects. So we know
- 49:26let's say say that social
- 49:27anxiety
- 49:29children children with social anxiety
- 49:30don't do as well. There's
- 49:32no effects that show
- 49:34what might work better for
- 49:35those children.
- 49:37There were a couple of
- 49:38hints in the literature again.
- 49:39We had four moderator variables
- 49:41of interest that were consistent
- 49:43across those fifty five studies.
- 49:46Interestingly, Hispanic ethnicity.
- 49:48I'm not necessarily convinced by
- 49:50that, though, because that really
- 49:51came from one trial,
- 49:54so I'm not so sure
- 49:55how robust it is, but
- 49:56at least,
- 49:57it came
- 49:59it emerged in more than,
- 50:01one study.
- 50:02Age was also a predictor,
- 50:04a moderator,
- 50:06social anxiety and parental psychopathology.
- 50:09But
- 50:11importantly, even though those variables
- 50:13came up as important moderators,
- 50:15in one study, there was
- 50:16a moderation effect one way,
- 50:18and in another study, there
- 50:19was a moderation effect in
- 50:20another way. So for social
- 50:22anxiety disorder, one study showed
- 50:23group worked better, and another
- 50:25study showed,
- 50:27group CBT didn't work as
- 50:29well as individual therapy. So
- 50:30we had moderation, but completely
- 50:32opposing effects.
- 50:34So each result really points
- 50:36to something different about the
- 50:38the direction.
- 50:39A study that didn't go
- 50:40into the
- 50:42systematic review that I just
- 50:43wanted to point to because
- 50:44this is still leaving me
- 50:45with a little bit of
- 50:46hope. And this is one
- 50:47of Wendy's,
- 50:48papers that she's just published,
- 50:51showing a moderation effect
- 50:53for two parent variables
- 50:55that,
- 50:56compared CBT versus
- 50:59CBT plus relationship training,
- 51:02was moderated by parental acceptance.
- 51:04So child outcomes were better
- 51:07for families where there was
- 51:09high parental acceptance,
- 51:11when CBT included more of
- 51:13a focus on, increased acceptance
- 51:16and decreasing control compared to
- 51:18CBT. So that gives us
- 51:19an idea of what could
- 51:21be done,
- 51:23what how we might wanna
- 51:24shape treatment,
- 51:26that if a child presents
- 51:27with high with parents with
- 51:29high acceptance, then this is
- 51:30the type of treatment that
- 51:31we might that might produce
- 51:32better outcomes,
- 51:34and a similar
- 51:35effect for,
- 51:37parental or negative reinforcement as
- 51:39well. So there's a hint
- 51:41there, but it still needs
- 51:41to be replicated.
- 51:43And,
- 51:47it's also kind of,
- 51:49I think the study wasn't
- 51:50designed right to to find
- 51:53these moderation effects, but they
- 51:54were there. So in designing
- 51:56studies
- 51:57for moderation is a very
- 51:59different approach to kind of
- 52:00the normal,
- 52:01treatment design.
- 52:04Alright. So can we enhance
- 52:07outcomes in answer to that
- 52:08question? At the moment, I'm
- 52:09not really convinced by it.
- 52:10I'd be curious to see
- 52:11after being being presented with
- 52:13all that data.
- 52:15To me, there's pretty limited
- 52:17differential treatment effects so far
- 52:19In being able to answer
- 52:20this question, what works by
- 52:22whom for this individual with
- 52:23that specific problem, apart from
- 52:25the fact that we're honing
- 52:26in on anxiety disorders,
- 52:28we've got very limited information
- 52:30about,
- 52:31what works.
- 52:32So this could be either
- 52:33there are no differential treatment
- 52:35effects, doesn't matter, evidence based
- 52:37personalisation
- 52:37doesn't lead to better outcomes,
- 52:39there is no holy grail,
- 52:41or it could be that,
- 52:44these effects
- 52:45are there they're there, but
- 52:47we just haven't been able
- 52:47to detect them because our
- 52:49methods haven't been rigorous enough.
- 52:50We still haven't designed our
- 52:52studies in a way that,
- 52:54can consistently,
- 52:56show these robust findings.
- 52:58I'm not quite ready to
- 52:59swallow this bitter pill of
- 53:01every every treatment works for
- 53:02everybody the same amount.
- 53:05I'm still hoping and holding
- 53:06on to the fact that
- 53:07we may actually have,
- 53:09there may be differential treatment
- 53:11effects there, but we just
- 53:12haven't,
- 53:13we haven't got there yet.
- 53:14So we've been doing some
- 53:15individual patient data meta analysis.
- 53:17I'm just gonna finish up.
- 53:18Yep.
- 53:19Where we're combining
- 53:21data from a whole lot
- 53:22of clinical trials together,
- 53:24so kind of advancing the
- 53:26previous work that we've done,
- 53:27but we're doing it in
- 53:27a systematic way now. We're
- 53:29developing this topic based living,
- 53:31repository of data. We're storing
- 53:34it on a secure server.
- 53:35At the moment, I'm very
- 53:37excited. The first time last
- 53:39week, I got my first
- 53:40data set of seven thousand
- 53:42one hundred and twenty three
- 53:43kids from around the world.
- 53:44And
- 53:46I haven't even put the
- 53:47arrow in the right spot
- 53:49for Yale. But, anyway, you
- 53:50there is Yale data in
- 53:52there.
- 53:53But yes.
- 53:55I don't know geography, clearly.
- 53:58I don't know where that's
- 53:59going to. But yeah. So
- 54:00that's what we're working on
- 54:01now,
- 54:02that seven thousand. And it'll
- 54:04hopefully give us a lot
- 54:04more variability in the studies.
- 54:06We've got
- 54:07a lot of different variation
- 54:09in treatments
- 54:11that, you know, we might
- 54:11not have been able to
- 54:12predict before, but now we'll
- 54:14have much more, information and
- 54:16be at a be at
- 54:16a better point where we
- 54:18can recommend
- 54:19treatment and be able to,
- 54:22match treatments hopefully in the
- 54:23future, but we're not there
- 54:25yet.
- 54:26So thank you very much
- 54:27for letting me take you
- 54:28through that. I'm much appreciated.
- 54:35What
- 54:36a well, I'll clear your
- 54:38presentation,
- 54:38Jenny. It was fantastic. So
- 54:40we we do have, like,
- 54:40five minutes for some questions
- 54:42that people would like to
- 54:43ask questions.
- 54:51Hi. Thank you for coming
- 54:53to speak to us.
- 54:55My question is that,
- 54:58in addition to,
- 54:59looking at
- 55:01differential responses to treatment and
- 55:03and prognostic
- 55:04factors,
- 55:06are others interested? And or
- 55:08do you think there's utility
- 55:09in,
- 55:12using these or related predictive
- 55:14measures
- 55:14to,
- 55:16for early detection
- 55:17or for,
- 55:19like, stratifying
- 55:21of,
- 55:22Of anxiety disorders.
- 55:23Yeah. So we haven't really
- 55:25been looking at risk of
- 55:27disorder in the first place
- 55:29because all of the samples
- 55:30already have a disorder. So
- 55:31we're looking at risk, and
- 55:33risk gets used in different
- 55:34ways. So risk we're looking
- 55:35at risk in terms of
- 55:36predicting
- 55:37poorer outcome.
- 55:39So
- 55:40I do think there is
- 55:41utility,
- 55:43in well, also in detection.
- 55:45But at the moment, the
- 55:46idea of what else to
- 55:48do with them, that's where
- 55:49we're stuck.
- 55:50But clinicians have been doing
- 55:52this
- 55:53for as
- 55:54forever long that there's been
- 55:56clinical practice. So we adapt
- 55:58treatments based on what we
- 55:59think should work based on
- 56:00our treatment formulation,
- 56:02and we expect that if
- 56:04we adapt
- 56:05based on risk,
- 56:07that
- 56:08there might be better outcomes.
- 56:10But at the moment, we
- 56:10just haven't got that bit
- 56:12to say that they're gonna
- 56:13do better.
- 56:14But I I do think
- 56:15there's value in the risk
- 56:17index and,
- 56:18that we that's our next
- 56:20step is to actually take
- 56:21it at least that far
- 56:22as developing a platform for
- 56:24clinicians to enter in that
- 56:26risk data to see, okay.
- 56:28Well, based on this massive
- 56:29dataset,
- 56:30how likely is it that
- 56:31the child that I'm about
- 56:32to see with these particular
- 56:34profiles,
- 56:35these particular variables, how likely
- 56:37is it that this standard
- 56:39CBT is gonna work?
- 56:41I wouldn't want to see
- 56:42it being used for,
- 56:44if
- 56:45okay. It comes out that
- 56:46the likelihood of response is
- 56:48very low,
- 56:49then I wouldn't want them
- 56:50to start some completely different
- 56:52treatment. Right? It's,
- 56:54yeah. So it's it's
- 56:56I I do think there's
- 56:57utility, but I think there's
- 56:58a bit of concern around
- 57:00then saying, okay. Well, CBT
- 57:01doesn't work, then let's do
- 57:03let's, you know,
- 57:05do some,
- 57:07something entirely different that there's
- 57:08no evidence base for.
- 57:11Yeah. It seems like it's
- 57:12at least low hanging fruit
- 57:13to say Yeah. I'll start
- 57:14CBT or start the SSRI
- 57:16earlier. Yes. Yeah. Yeah. Yeah.
- 57:18Definitely.
- 57:19Yeah.
- 57:21Yeah. And if
- 57:23yeah. Given that there has
- 57:24been some hint in the
- 57:25literature around that we get
- 57:27better effects for CBT and
- 57:28sertraline that if there is
- 57:30a poor risk
- 57:32for treatment,
- 57:33outcome being favorable,
- 57:35then, yes, starting the CBT
- 57:37earlier.
- 57:39As, yeah, the combined treatment
- 57:41earlier. Yeah.
- 57:43Thank you. That was really
- 57:44interesting. I was just wondering
- 57:45what you, could tell us
- 57:46about the differences between Australia
- 57:48and here in the US
- 57:50in anxiety,
- 57:52in kids. What what makes
- 57:54kids anxious and how differentially
- 57:56parents respond?
- 57:59Yeah. It's a good question.
- 58:01I'm gonna be talking anecdotally.
- 58:05Very similar. I have worked
- 58:06in the clinic in the
- 58:07US, in Philadelphia, as well
- 58:09as in Australia. But Philadelphia
- 58:11was a long time ago,
- 58:13and it was
- 58:14before cell phones.
- 58:16Very similar things, though,
- 58:18that they worry about. A
- 58:19lot of you know, depending
- 58:21on the type of presentation,
- 58:23but there's
- 58:24I've seen this increase in
- 58:26concern around academic pressure,
- 58:29particularly,
- 58:31yeah, even in primary school
- 58:33ages, kids worrying about how
- 58:35they're gonna perform in the
- 58:36future and more parental pressure
- 58:38than I think we've seen
- 58:39in previous year previous generations.
- 58:45And in terms of types
- 58:46of anxiety,
- 58:50we have a lot more
- 58:51spiders. Yeah. Yeah. Yeah. Put
- 58:53eyes.
- 58:54No. There's a koala. Yeah.
- 58:55No. I don't I mean,
- 58:57we don't we don't get
- 58:59I've never seen a phobia
- 59:00of a koala before.
- 59:03But we do have,
- 59:04you know, a lot of
- 59:05spider phobias, but not more
- 59:07than in other countries, but
- 59:08yet we've got a lot
- 59:09more risk.
- 59:10I found a couple of,
- 59:13deadly spiders in my one
- 59:14in my bedroom and one
- 59:15in my swimming pool,
- 59:17a while ago. But yet
- 59:19even though the risk is
- 59:21higher,
- 59:22more yeah. Exactly.
- 59:25Yeah. Yeah. But,
- 59:28not in terms
- 59:29of presentations being different in
- 59:31terms of prevalence of disorders.
- 59:39Oh, thank you. Thanks for
- 59:41such a beautiful talk, Jenny.
- 59:43I was fascinated by this
- 59:44finding, the JCAP one, where
- 59:45you show that, you know,
- 59:47kids with parents with severe
- 59:48psychopathology or psychopathology are similar
- 59:50at post, but then you
- 59:51see these longer term effects.
- 59:52And I'm wondering if you
- 59:54can speak to, you know,
- 59:55what do you think is
- 59:55driving that? What's the mechanism?
- 59:59Yeah. I
- 01:00:01my gut feeling about it
- 01:00:03is that parents
- 01:00:05who
- 01:00:06are more likely to be
- 01:00:07anxious
- 01:00:08and
- 01:00:09who have maybe learnt some
- 01:00:10of the skills than when
- 01:00:12they get back in their
- 01:00:12environment with the young person
- 01:00:15that,
- 01:00:17because they've had a really
- 01:00:18long time of being anxious,
- 01:00:20most likely
- 01:00:21that that in interaction
- 01:00:23kinda goes back to normal.
- 01:00:25And that particularly for the
- 01:00:26child,
- 01:00:27that they're exposed to this
- 01:00:29more modeling. Like, in those
- 01:00:31in that graph,
- 01:00:33that wasn't the parents didn't
- 01:00:35also receive treatment. So they
- 01:00:37they received it in terms
- 01:00:38of through their child, and
- 01:00:40they learned about the strategies.
- 01:00:41And so we do get
- 01:00:43even when we don't target
- 01:00:44it specifically, we do get
- 01:00:45a reduction in parental anxiety,
- 01:00:48even when it's not targeted.
- 01:00:50So there would have been
- 01:00:51a reduction in parental anxiety
- 01:00:52at post treatment,
- 01:00:54but that wasn't,
- 01:00:56you know, enough really to
- 01:00:57stop the child being exposed
- 01:00:59to increased anxiety and modeling
- 01:01:02and avoidance behavior. So I
- 01:01:03think they just go back
- 01:01:04into an environment where there's
- 01:01:06continued avoidance and,
- 01:01:08modeling of anxiety and accommodation.
- 01:01:12Well, thank you again, Jenny.
- 01:01:14I we've that's we
- 01:01:16we're ending now. But thank
- 01:01:18you all very much for
- 01:01:19attending. However, the trainees have
- 01:01:21an opportunity now to meet
- 01:01:22with Jenny. Right now, the
- 01:01:24room is over there in
- 01:01:25the Giselle. I believe that's
- 01:01:27what we have scheduled if
- 01:01:28that's,
- 01:01:29so that's what it is.
- 01:01:30And there might be some
- 01:01:31I will see you next
- 01:01:32door. You stay here for
- 01:01:33now. But if you get
- 01:01:34kicked out, go there. Is
- 01:01:35that okay? Oh, okay. Yeah.
- 01:01:36Let's do that. Okay. So
- 01:01:38thank you all so much
- 01:01:39for having me. Jenny with
- 01:01:40a wonderful talk. It's thank
- 01:01:41you so much. Thank you.