2020
Mediators of change in cognitive behavior therapy and interpersonal psychotherapy for eating disorders: A secondary analysis of a transdiagnostic randomized controlled trial
Sivyer K, Allen E, Cooper Z, Bailey‐Straebler S, O'Connor M, Fairburn C, Murphy R. Mediators of change in cognitive behavior therapy and interpersonal psychotherapy for eating disorders: A secondary analysis of a transdiagnostic randomized controlled trial. International Journal Of Eating Disorders 2020, 53: 1928-1940. PMID: 33150640, PMCID: PMC7756462, DOI: 10.1002/eat.23390.Peer-Reviewed Original ResearchConceptsBinge-eating frequencyCognitive behavior therapyEffects of CBTHypothesized mediatorsBehavior therapyMediation studiesInterpersonal psychotherapyWeeks of CBTMediators of changeCognitive processesPsychological treatmentCBTProblem severityRegular eatingKey methodological issuesMethodological issuesPsychotherapyMore effective treatmentsPutative mediatorsMechanism of actionDisordersEffective treatmentSecondary analysisEatingTime pointsInterrater reliability of the Eating Disorder Examination among postbariatric patients
Wiedemann AA, Ivezaj V, Lawson JL, Lydecker JA, Cooper Z, Grilo CM. Interrater reliability of the Eating Disorder Examination among postbariatric patients. Surgery For Obesity And Related Diseases 2020, 16: 1988-1993. PMID: 32933867, PMCID: PMC7704555, DOI: 10.1016/j.soard.2020.07.032.Peer-Reviewed Original ResearchConceptsEating Disorder ExaminationIntraclass correlation coefficientEating-disorder psychopathologyBariatric surgerySurgery patientsInterrater reliabilityPostoperative bariatric surgery patientsDisorder ExaminationPostbariatric surgery patientsBariatric surgery patientsBariatric surgery sampleBinge-eating episodesSemistructured clinical interviewPostbariatric patientsBariatric patientsConsecutive seriesClinical assessmentSurgery samplesClinical InterviewPatientsSymptom presentationKappa agreementInitial evaluationEDE subscalesExpert raters
2018
Loss-of-control eating after bariatric/sleeve gastrectomy surgery: Similar to binge-eating disorder despite differences in quantities
Ivezaj V, Barnes RD, Cooper Z, Grilo CM. Loss-of-control eating after bariatric/sleeve gastrectomy surgery: Similar to binge-eating disorder despite differences in quantities. General Hospital Psychiatry 2018, 54: 25-30. PMID: 30056316, PMCID: PMC6245943, DOI: 10.1016/j.genhosppsych.2018.07.002.Peer-Reviewed Original ResearchConceptsSleeve gastrectomy surgeryBinge-eating disorderGastrectomy surgeryBinge Eating DisorderClinical featuresPatient groupControl eatingOW/OBOverweight/obesityBody mass indexRelevant patient groupsMass indexDepressive symptomsSurgeryPast monthBED groupWeight concernsWeekly lossDisordersCareful assessmentObesityOnly groupQuantity of foodComparable levelsEatingIncreasing the Availability of Psychological Treatments: A Multinational Study of a Scalable Method for Training Therapists
O'Connor M, Morgan KE, Bailey-Straebler S, Fairburn CG, Cooper Z. Increasing the Availability of Psychological Treatments: A Multinational Study of a Scalable Method for Training Therapists. Journal Of Medical Internet Research 2018, 20: e10386. PMID: 29884606, PMCID: PMC6015265, DOI: 10.2196/10386.Peer-Reviewed Original ResearchConceptsWeb-centered trainingPsychological treatmentCompetence thresholdCompetence scoresTherapist competenceEffective psychological treatmentCognitive behavioral therapyTraining moduleTraining therapistsBehavioral therapyTherapist trainingCompetence measuresEligible therapistsMultinational sampleTherapistsExternal supportCompetence dataTrainingCompetenceScalable formScoresSupportIndependent formSuitable patientsMedian number
2017
Using the Internet to Train Therapists: Randomized Comparison of Two Scalable Methods
Cooper Z, Bailey-Straebler S, Morgan KE, O'Connor ME, Caddy C, Hamadi L, Fairburn CG. Using the Internet to Train Therapists: Randomized Comparison of Two Scalable Methods. Journal Of Medical Internet Research 2017, 19: e355. PMID: 29046265, PMCID: PMC5666223, DOI: 10.2196/jmir.8336.Peer-Reviewed Original ResearchConceptsWeb-centered trainingPsychological treatmentCompetence thresholdForm of trainingTherapist competenceEvidence-based psychological treatmentsCompetence scoresTraining groupCognitive behavior therapyEnd of trainingBehavior therapyCompetence measuresEligible therapistsMethods of trainingCompletion of trainingMixed effects analysisNonspecialist workersWeeks of trainingTherapistsTraining
2016
Predictors and moderators of response to enhanced cognitive behaviour therapy and interpersonal psychotherapy for the treatment of eating disorders
Cooper Z, Allen E, Bailey-Straebler S, Basden S, Murphy R, O’Connor M, Fairburn CG. Predictors and moderators of response to enhanced cognitive behaviour therapy and interpersonal psychotherapy for the treatment of eating disorders. Behaviour Research And Therapy 2016, 84: 9-13. PMID: 27423373, PMCID: PMC4988513, DOI: 10.1016/j.brat.2016.07.002.Peer-Reviewed Original ResearchConceptsInterpersonal psychotherapyCognitive behavior therapyCognitive behavioral therapyModerators of outcomeModerators of responseImportance of shapePresent exploratory studyPsychological treatmentBehavioral therapyBehavior therapyDSM-IV diagnosisConsistent predictorModeratorTreatment outcomesBetter treatment outcomesPsychotherapyExploratory studyDisordersPredictorsException of patientsSubgroup of patientsCBTHigh levelsAdult patientsClinical trials
2015
A transdiagnostic comparison of enhanced cognitive behaviour therapy (CBT-E) and interpersonal psychotherapy in the treatment of eating disorders
Fairburn CG, Bailey-Straebler S, Basden S, Doll HA, Jones R, Murphy R, O'Connor ME, Cooper Z. A transdiagnostic comparison of enhanced cognitive behaviour therapy (CBT-E) and interpersonal psychotherapy in the treatment of eating disorders. Behaviour Research And Therapy 2015, 70: 64-71. PMID: 26000757, PMCID: PMC4461007, DOI: 10.1016/j.brat.2015.04.010.Peer-Reviewed Original ResearchConceptsInterpersonal psychotherapyCognitive behavior therapyMajority of outpatientsBehavior therapyEnhanced cognitive behavior therapyParticipants meeting criteriaIndependent blinded assessorsIPT participantsTransdiagnostic comparisonRemission rateBlinded assessorAlternative treatmentMeeting criteriaPotent treatmentDisordersRemissionTreatmentCBTTherapyFollowTransdiagnostic perspectivePresent studyParticipantsThe Reliability and Validity of the Clinical Perfectionism Questionnaire in Eating Disorder and Community Samples
Egan SJ, Shafran R, Lee M, Fairburn CG, Cooper Z, Doll HA, Palmer RL, Watson HJ. The Reliability and Validity of the Clinical Perfectionism Questionnaire in Eating Disorder and Community Samples. Behavioural And Cognitive Psychotherapy 2015, 44: 79-91. PMID: 25731214, PMCID: PMC4762235, DOI: 10.1017/s1352465814000629.Peer-Reviewed Original ResearchConceptsClinical Perfectionism QuestionnaireTwo-factor structureCommunity sampleAcceptable internal consistencyClinical perfectionismPerfectionism QuestionnaireMeasures of perfectionismInternal consistencySeparate community samplesIncremental validityNonclinical sampleFactor analysis resultsEating DisordersAnxiety disordersStudy 1Study 2Control groupPerfectionismValid measurePsychometric propertiesReading levelDisordersValidityQuestionnaireFurther research
2012
Enhanced cognitive behaviour therapy for adults with anorexia nervosa: A UK–Italy study
Fairburn CG, Cooper Z, Doll HA, O'Connor ME, Palmer RL, Grave R. Enhanced cognitive behaviour therapy for adults with anorexia nervosa: A UK–Italy study. Behaviour Research And Therapy 2012, 51: r2-r8. PMID: 23084515, PMCID: PMC3662032, DOI: 10.1016/j.brat.2012.09.010.Peer-Reviewed Original ResearchConceptsAnorexia nervosaCognitive behavior therapyLong-term outcomesBehavior therapySessions of CBTUse of CBTAdult patientsOutpatient treatmentConcurrent treatmentConsecutive referralsBulimia nervosaNew treatmentsFurther evaluationPatientsAdditional treatmentNervosaTreatmentTherapyCBTDisorder featuresStrong preliminary supportTrialsPreliminary supportPresent studyRobust evidenceInterpersonal Psychotherapy for Eating Disorders
Murphy R, Straebler S, Basden S, Cooper Z, Fairburn CG. Interpersonal Psychotherapy for Eating Disorders. Clinical Psychology & Psychotherapy 2012, 19: 150-158. PMID: 22362599, PMCID: PMC3886290, DOI: 10.1002/cpp.1780.Peer-Reviewed Original Research
2011
Eating disorders, DSM–5 and clinical reality
Fairburn CG, Cooper Z. Eating disorders, DSM–5 and clinical reality. The British Journal Of Psychiatry 2011, 198: 8-10. PMID: 21200070, PMCID: PMC3014461, DOI: 10.1192/bjp.bp.110.083881.Peer-Reviewed Original Research
2010
Testing a new cognitive behavioural treatment for obesity: A randomized controlled trial with three-year follow-up
Cooper Z, Doll HA, Hawker DM, Byrne S, Bonner G, Eeley E, O’Connor M, Fairburn CG. Testing a new cognitive behavioural treatment for obesity: A randomized controlled trial with three-year follow-up. Behaviour Research And Therapy 2010, 48: 706-713. PMID: 20691328, PMCID: PMC2923743, DOI: 10.1016/j.brat.2010.03.008.Peer-Reviewed Original ResearchConceptsNew cognitive behavioural treatmentCognitive-behavioral treatmentBehavioral treatmentPsychological treatmentPsychological methodsBehavior therapyLong-term effectsFemale participantsWeight regainWeight lossNew treatmentsParticipantsFurther supportAverage weight lossObesityPresent studyMain treatmentTreatmentThree yearsShort-term perspectiveAbsence of dataPeopleFindingsSupportGreat majority
2008
Transdiagnostic Cognitive-Behavioral Therapy for Patients With Eating Disorders: A Two-Site Trial With 60-Week Follow-Up
Fairburn CG, Cooper Z, Doll HA, O'Connor ME, Bohn K, Hawker DM, Wales JA, Palmer RL. Transdiagnostic Cognitive-Behavioral Therapy for Patients With Eating Disorders: A Two-Site Trial With 60-Week Follow-Up. American Journal Of Psychiatry 2008, 166: 311-319. PMID: 19074978, PMCID: PMC3035831, DOI: 10.1176/appi.ajp.2008.08040608.Peer-Reviewed Original ResearchConceptsComplex treatmentMajority of outpatientsTwo-site trialWeeks of treatmentWaiting-list periodList control conditionClinical perfectionismTransdiagnostic cognitive-behavioral therapyMood intoleranceCognitive behavioral therapyControl conditionCognitive-behavioral treatmentTreatment outcomesAdditional psychopathologyPatientsList periodDSM-IVInterpersonal difficultiesSymptom severityIndependent assessorsDisorder diagnosisDisordersEating DisordersTransdiagnostic TreatmentTreatmentThe measurement of impairment due to eating disorder psychopathology
Bohn K, Doll HA, Cooper Z, O'Connor M, Palmer RL, Fairburn CG. The measurement of impairment due to eating disorder psychopathology. Behaviour Research And Therapy 2008, 46: 1105-1110. PMID: 18710699, PMCID: PMC2764385, DOI: 10.1016/j.brat.2008.06.012.Peer-Reviewed Original ResearchConceptsClinical Impairment AssessmentSelf-report instrumentDisorder psychopathologyPsychosocial functioningTest-retest reliabilityDiscriminant validitySuch impairmentPsychometric propertiesInternal consistencySpecific domainsImpairmentMeasurement of impairmentImpairment assessmentSecondary impairmentsSpecific impactTreatment trialsDisordersPsychopathologyHigh levelsEpidemiological researchFunctioningResearchConstructsInstrumentValidityEffect of psychological treatment on attentional bias in eating disorders
Shafran R, Lee M, Cooper Z, Palmer RL, Fairburn CG. Effect of psychological treatment on attentional bias in eating disorders. International Journal Of Eating Disorders 2008, 41: 348-354. PMID: 18213684, PMCID: PMC2798071, DOI: 10.1002/eat.20500.Peer-Reviewed Original ResearchConceptsAttentional biasesAttentional biasPsychological treatmentNeutral shape stimuliCognitive behavior therapySecond studyWait-list controlShape stimuliWeight stimuliBehavior therapySuch biasesSame taskDot probeBiasesSpecific interventionsStimuliDisordersHealthy female controlsHealthy controlsBiasFirst studyTaskFemale controlsInterventionPerformance
2007
Attentional bias in eating disorders
Shafran R, Lee M, Cooper Z, Palmer RL, Fairburn CG. Attentional bias in eating disorders. International Journal Of Eating Disorders 2007, 40: 369-380. PMID: 17330290, PMCID: PMC2798076, DOI: 10.1002/eat.20375.Peer-Reviewed Original ResearchConceptsPictorial dot-probe taskDot-probe taskNeutral shape stimuliSecond studyAttentional biasAttentional biasesShape stimuliNegative eatingDisorder psychopathologyShape concernsSuch biasesFuture researchBiasesFirst studyHigh levelsDisordersSpecific therapeutic interventionsHealthy controlsPsychopathologyAnxietyEatingStimuliTaskNormal control groupParticipantsThe severity and status of eating disorder NOS: Implications for DSM-V
Fairburn CG, Cooper Z, Bohn K, O’Connor M, Doll HA, Palmer RL. The severity and status of eating disorder NOS: Implications for DSM-V. Behaviour Research And Therapy 2007, 45: 1705-1715. PMID: 17374360, PMCID: PMC2706994, DOI: 10.1016/j.brat.2007.01.010.Peer-Reviewed Original ResearchConceptsDisorder NOSBulimia nervosaAnorexia nervosaBulimia nervosa casesDSM-IV diagnosisInclusion of casesDSM-VHigher relative prevalenceConsecutive patientsOutpatient settingNOS casesClinical stateSubthreshold formsDiagnostic criteriaNOSNervosaStandardised instrumentsRelative prevalenceSeverityDisordersPrevalenceDiagnosis
2006
A randomised controlled trial of cognitive-behaviour therapy for clinical perfectionism: A preliminary study
Riley C, Lee M, Cooper Z, Fairburn CG, Shafran R. A randomised controlled trial of cognitive-behaviour therapy for clinical perfectionism: A preliminary study. Behaviour Research And Therapy 2006, 45: 2221-2231. PMID: 17275781, PMCID: PMC2777249, DOI: 10.1016/j.brat.2006.12.003.Peer-Reviewed Original Research
2004
Psychological predictors of weight regain in obesity
Byrne SM, Cooper Z, Fairburn CG. Psychological predictors of weight regain in obesity. Behaviour Research And Therapy 2004, 42: 1341-1356. PMID: 15381442, DOI: 10.1016/j.brat.2003.09.004.Peer-Reviewed Original ResearchConceptsSpecific cognitive styleCognitive styleCognitive factorsPsychological mechanismsPsychological predictorsProspective predictorsPsychological factorsBehavioral strategiesIndividual's inabilityWeight regainLittle researchSignificant predictorsConsistent findingPredictorsTreatment of obesityTelephone interviewsObese patientsInitial body weightAvailable treatmentsFindingsBody weightObesityStyleHistorical variablesRelapse
2003
A 5‐HT2C receptor promoter polymorphism (HTR2C − 759C/T) is associated with obesity in women, and with resistance to weight loss in heterozygotes
Pooley EC, Fairburn CG, Cooper Z, Sodhi MS, Cowen PJ, Harrison PJ. A 5‐HT2C receptor promoter polymorphism (HTR2C − 759C/T) is associated with obesity in women, and with resistance to weight loss in heterozygotes. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2003, 126B: 124-127. PMID: 15048662, DOI: 10.1002/ajmg.b.20143.Peer-Reviewed Original ResearchConceptsObese womenWeight lossPromoter polymorphismNon-obese womenHigh triglyceride levelsInfluences weight lossAnti-obesity drugsRT-PCR studiesObese groupT statusTriglyceride levelsRisk factorsAntipsychotic drugsObesity trialsFrontal cortexPharmacogenetic testingSerotonin 5C subjectsBody weightC alleleWeight gainObesityT subjectsWomenPsychological treatment