2024
The impact of early detection (ED) campaigns on care presentations: Beyond DUP reduction
Hazan H, Ferrara M, Riley S, Li F, Zhou B, Kline E, Gibbs-Dean T, Karmani S, Tayfur S, Tek C, Keshavan M, Srihari V. The impact of early detection (ED) campaigns on care presentations: Beyond DUP reduction. Schizophrenia Research 2024, 264: 457-461. PMID: 38266513, PMCID: PMC10923115, DOI: 10.1016/j.schres.2024.01.022.Peer-Reviewed Original ResearchMeSH KeywordsEarly DiagnosisHospitalizationHumansPsychotic DisordersSchizophrenic PsychologyTime FactorsConceptsCoordinated specialty careDuration of untreated psychosisImpact of early detectionEarly detectionEarly detection campaignsSpecialty careAdjustment scoresCampaign yearDetection campaignsMediation analysisEffects of EDRegression modelsCareUntreated psychosisPositive symptomsGAFPatientsSalutary effects
2023
The effect of duration of untreated psychosis (DUP) on the risk for hospitalization after admission to a first episode service
Ferrara M, Guloksuz S, Hazan H, Li F, Tek C, Sykes L, Riley S, Keshavan M, Srihari V. The effect of duration of untreated psychosis (DUP) on the risk for hospitalization after admission to a first episode service. Schizophrenia Research 2023, 260: 198-204. PMID: 37688984, DOI: 10.1016/j.schres.2023.08.005.Peer-Reviewed Original ResearchConceptsFirst-episode psychosis servicesLength of stayUntreated psychosisPsychiatric hospitalizationFirst-episode servicesDuration of hospitalizationIncidence rate ratiosNon-affective psychosisNew Haven areaPoisson regression modelsPatient characteristicsHospitalization ratesRecent onsetMedical recordsHospitalizationEffect of durationNegative binomial regressionSpecialized treatmentPsychosisRate ratioBinomial regressionAdmissionDUPEnrollmentFirst yearSampling from different populations: Sociodemographic, clinical, and functional differences between samples of first episode psychosis individuals and clinical high-risk individuals who progressed to psychosis
Hagler M, Ferrara M, Yoviene Sykes L, Li F, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Perkins D, Mathalon D, Seidman L, Tsuang M, Walker E, Powers A, Allen A, Srihari V, Woods S. Sampling from different populations: Sociodemographic, clinical, and functional differences between samples of first episode psychosis individuals and clinical high-risk individuals who progressed to psychosis. Schizophrenia Research 2023, 255: 239-245. PMID: 37028205, PMCID: PMC10207144, DOI: 10.1016/j.schres.2023.03.047.Peer-Reviewed Original ResearchMeSH KeywordsHumansLongitudinal StudiesNorth AmericaProdromal SymptomsProtective FactorsPsychotic DisordersConceptsFirst-episode psychosis servicesClinical high riskClinical high-risk individualsEarly detectionFirst-episode psychosis individualsRecent psychiatric hospitalizationCourse of illnessHigh-risk individualsAttenuated positive symptomsCHR researchGeographic catchmentSyndromal psychosisPsychosis individualsPsychiatric hospitalizationEarly intervention effortsHigh riskPsychosis servicesPositive symptomsGlobal functioningClinical resourcesProtective factorsDifferent populationsFE participantsGeneralizability of findingsFES program
2022
DUP redux: Observations vs. experiments in early intervention (invited commentary on Nkire et al.)
Srihari V, Li F. DUP redux: Observations vs. experiments in early intervention (invited commentary on Nkire et al.). Schizophrenia Research 2022, 251: 46-48. PMID: 36565532, DOI: 10.1016/j.schres.2022.12.006.Peer-Reviewed Original ResearchReducing Delay From Referral to Admission at a U.S. First-Episode Psychosis Service: A Quality Improvement Initiative
Ferrara M, Gallagher K, Yoviene Sykes LA, Markovich P, Li F, Pollard JM, Imetovski S, Cahill J, Guloksuz S, Srihari VH. Reducing Delay From Referral to Admission at a U.S. First-Episode Psychosis Service: A Quality Improvement Initiative. Psychiatric Services 2022, 73: 1416-1419. PMID: 35652190, PMCID: PMC9715806, DOI: 10.1176/appi.ps.202100374.Peer-Reviewed Original ResearchMeSH KeywordsEarly DiagnosisHospitalizationHumansPsychotic DisordersQuality ImprovementReferral and ConsultationConceptsFirst-episode psychosis servicesConfirmation of eligibilityEarly detection campaignsProportion of admissionsSpecialty care servicesQuality improvement interventionsQuality improvement initiativesLonger DUPMedian delayPoor outcomeUntreated psychosisTreatment accessPsychosis onsetPsychosis servicesCSC servicesCare servicesImprovement interventionsAdmissionImprovement initiativesDetection campaignsInterventionGreater vulnerabilityReferralPsychosisTiming of cannabis exposure relative to prodrome and psychosis onset in a community-based first episode psychosis sample
Kline ER, Ferrara M, Li F, D'Souza DC, Keshavan M, Srihari VH. Timing of cannabis exposure relative to prodrome and psychosis onset in a community-based first episode psychosis sample. Journal Of Psychiatric Research 2022, 147: 248-253. PMID: 35066293, PMCID: PMC8882157, DOI: 10.1016/j.jpsychires.2022.01.039.Peer-Reviewed Original ResearchConceptsCannabis exposurePublic health significancePsychosis onsetPsychotic disordersHealth significanceFirst-episode psychosis samplePsychosis sampleFirst exposureFirst-episode psychosis servicesWorse premorbid functioningAdverse prognostic factorAssociation of ageImpact of cannabisPsychosis PreventionSymptom onsetPrognostic factorsOverall incidenceEarly psychosis sampleConsecutive admissionsOverall burdenPsychotic illnessPsychosis servicesPsychosis symptomsGreater severityYounger age
2021
First help-seeking attempt before and after psychosis onset: measures of delay and aversive pathways to care
Ferrara M, Guloksuz S, Mathis WS, Li F, Lin IH, Syed S, Gallagher K, Shah J, Kline E, Tek C, Keshavan M, Srihari VH. First help-seeking attempt before and after psychosis onset: measures of delay and aversive pathways to care. Social Psychiatry And Psychiatric Epidemiology 2021, 56: 1359-1369. PMID: 33948678, PMCID: PMC8319102, DOI: 10.1007/s00127-021-02090-0.Peer-Reviewed Original ResearchConceptsPsychosis onsetNon-affective psychosisPsychosis risk syndromeEarly detection effortsAversive eventsAversive pathwaysProdromal sampleClinical characteristicsAntipsychotic treatmentEffective treatmentSociodemographic characteristicsSpecialized treatmentPsychosisProdromeOnsetTreatmentStructured interviewsOverall functioningFamily membersMeasures of delayEpisodesNew HavenSemi-structured interviewsHelp seekersPathwayTaking the next step: Improving care transitions from a first‐episode psychosis service
Gallagher K, Ferrara M, Pollard J, Sykes L, Li F, Imetovski S, Cahill J, Mathis W, Srihari VH. Taking the next step: Improving care transitions from a first‐episode psychosis service. Early Intervention In Psychiatry 2021, 16: 91-96. PMID: 35029048, DOI: 10.1111/eip.13127.Peer-Reviewed Original ResearchConceptsFirst-episode servicesQuality improvement approachQI approachExact testFirst-episode psychosis servicesUnknown treatment statusRecent-onset psychosisFisher's exact testDischarge planning processStudy-Act cyclesDischarge planningCare transitionsCare 3Onset psychosisDisposition planningPsychosis servicesTreatment statusFunctional gainsPatient engagementQI phasePlan-DoPatientsDisposition outcomesTransfer statusMonths
2020
Analysis of Early Intervention Services on Adult Judicial Outcomes
Pollard JM, Ferrara M, Lin IH, Kucukgoncu S, Wasser T, Li F, Srihari VH. Analysis of Early Intervention Services on Adult Judicial Outcomes. JAMA Psychiatry 2020, 77: 871-872. PMID: 32320010, PMCID: PMC7177643, DOI: 10.1001/jamapsychiatry.2020.0448.Peer-Reviewed Original Research
2019
Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study
Ferrara M, Guloksuz S, Li F, Burke S, Tek C, Friis S, Ten Velden Hegelstad W, Joa I, Johannessen JO, Melle I, Simonsen E, Srihari VH. Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study. Schizophrenia Research 2019, 210: 128-134. PMID: 31204063, DOI: 10.1016/j.schres.2019.05.035.Peer-Reviewed Original Research
2018
An Economic Evaluation of Coordinated Specialty Care (CSC) Services for First-Episode Psychosis in the U.S. Public Sector.
Murphy SM, Kucukgoncu S, Bao Y, Li F, Tek C, Breitborde NJK, Guloksuz S, Phutane VH, Ozkan B, Pollard JM, Cahill JD, Woods SW, Cole RA, Schoenbaum M, Srihari VH. An Economic Evaluation of Coordinated Specialty Care (CSC) Services for First-Episode Psychosis in the U.S. Public Sector. The Journal Of Mental Health Policy And Economics 2018, 21: 123-130. PMID: 30530872, PMCID: PMC6314808.Peer-Reviewed Original ResearchConceptsSpecialty care servicesPatient costsEarly intervention servicesUsual treatmentSchizophrenia spectrum disordersMonth 12Economic evaluationCare servicesSTEP participantsCommunity mental health centerThird-party payer perspectiveIntervention servicesFirst-episode servicesMonths post randomizationHealthcare service utilizationMental health centersU.S. public sectorTeam-based careCost-offset analysisEligible patientsThird-party payersAntipsychotic exposureED visitsMonth 6Episode psychosis
2016
Analyzing the Duration of Untreated Psychosis: Quantile Regression
Guloksuz S, Li F, Tek C, Woods SW, McGlashan TH, Friis S, Srihari VH. Analyzing the Duration of Untreated Psychosis: Quantile Regression. JAMA Psychiatry 2016, 73: 1094-1095. PMID: 27580422, DOI: 10.1001/jamapsychiatry.2016.2013.Peer-Reviewed Original Research
2014
Reducing the duration of untreated psychosis and its impact in the U.S.: the STEP-ED study
Srihari VH, Tek C, Pollard J, Zimmet S, Keat J, Cahill JD, Kucukgoncu S, Walsh BC, Li F, Gueorguieva R, Levine N, Mesholam-Gately RI, Friedman-Yakoobian M, Seidman LJ, Keshavan MS, McGlashan TH, Woods SW. Reducing the duration of untreated psychosis and its impact in the U.S.: the STEP-ED study. BMC Psychiatry 2014, 14: 335. PMID: 25471062, PMCID: PMC4262386, DOI: 10.1186/s12888-014-0335-3.Peer-Reviewed Original ResearchMeSH KeywordsDelivery of Health CareEarly DiagnosisHealth Services Needs and DemandHumansPsychotic DisordersTime FactorsTreatment OutcomeUnited StatesConceptsEarly detectionEarly outcomesGeographic catchmentTIPS studyYounger patientsAppropriate patientsUntreated psychosisPsychosis onsetEffective treatmentCare providersPsychotic symptomsPublic education campaignsPsychotic disordersHelp-seeking behaviorSecondary aimComprehensive interventionPatientsIntervention servicesDUPEducation campaignsOutcomesSocial marketing approachPrimary aimTreatmentFES