2023
Comprehensive dissection of prevalence rates, sex differences, and blood level-dependencies of clozapine-associated adverse drug reactions
van der Horst M, Meijer Y, de Boer N, Guloksuz S, Hasan A, Siskind D, Wagner E, consortium C, Müderrisoğlu A, Privat A, Bouhuis A, Hasan A, Jongkind A, Gonzalez-Pinto A, Santacana A, D'Agostino A, Ertugrul A, Yağcioğlu A, Crespo-Facorro B, Sanchez-Barbero B, Spuch C, Morgenroth C, de Pinedo C, Casetta C, Bousman C, Pantelis C, Ovejas-Catalán C, Garcia-Rizo C, Okhuijsen-Pfeifer C, Cohen D, Ristic D, Beld E, Repo-Tiihonen E, Wagner E, Jeger-Land E, Vilella E, Bekema E, Sepúlveda S, Seghi F, Wiedenmann F, Martini F, Serio F, Vairano F, Mercuriali G, Boido G, Yoca G, van Beek H, Gijsman H, Tuppurainen H, Everall I, Novakovic I, Zorrilla I, Erdoğan I, Sapienza J, Bogers J, Tiihonen J, Vázquez-Bourgon J, van Os J, Schneider-Thoma J, Luykx J, Grootens K, Mar-Barrutia L, Martorell L, Bak M, Spangaro M, de Vos M, de Koning M, Garriga M, Lähteenvuo M, Bosia M, van der Horst M, Babaoğlu M, Veereschild M, Manchia M, Edlinger M, Fuentes-Pérez P, Paribello P, Lopez-Pena P, Kahn R, Cavallaro R, Veerman S, Gutwinski S, Schreiter S, Ripke S, Baltanás T, Oviedo-Salcedo T, Hallikainen T, Görlitz T, Alink W, Ayhan Y, Okhuijsen-Pfeifer C, Luykx J. Comprehensive dissection of prevalence rates, sex differences, and blood level-dependencies of clozapine-associated adverse drug reactions. Psychiatry Research 2023, 330: 115539. PMID: 37988817, DOI: 10.1016/j.psychres.2023.115539.Peer-Reviewed Original ResearchConceptsAdverse drug reactionsClinical factorsDrug reactionsPrevalence ratesCommon adverse drug reactionsWeight gainSignificant weight gainMulti-center studyImproved treatment outcomesClozapine blood levelsClozapine monotherapyClozapine treatmentLower BMIBlood levelsTreatment outcomesHigh prevalencePrevalenceMean numberYounger participantsSex differencesParticipantsTreatmentComprehensive dissectionConstipationHypersalivation
2021
Antipsychotics result in more weight gain in antipsychotic naive patients than in patients after antipsychotic switch and weight gain is irrespective of psychiatric diagnosis: A meta-analysis
Bak M, Drukker M, Cortenraad S, Vandenberk E, Guloksuz S. Antipsychotics result in more weight gain in antipsychotic naive patients than in patients after antipsychotic switch and weight gain is irrespective of psychiatric diagnosis: A meta-analysis. PLOS ONE 2021, 16: e0244944. PMID: 33596211, PMCID: PMC7888647, DOI: 10.1371/journal.pone.0244944.Peer-Reviewed Original ResearchConceptsAntipsychotic-naive patientsBody weight changesBody weight gainWeight gainPsychiatric diagnosisNaive patientsWeight changeAntipsychotic useBodyweight gainAntipsychotic-naive groupMore weight gainDiagnosis of schizophreniaAntipsychotic switchMost antipsychoticsShort followSwitch studyMetabolic disturbancesClinical trialsOutcome measuresAntipsychoticsPatientsBody weightNaive groupSwitch groupDiagnosisStudy protocol of a randomized, double-blind, placebo-controlled, multi-center trial to treat antipsychotic-induced weight gain: the Metformin-Lifestyle in antipsychotic users (MELIA) trial
de Boer N, Guloksuz S, van Baal C, Willebrands L, Deenik J, Vinkers C, Rossum I, Zinkstok J, Wilting I, Zantvoord J, Backx F, Swildens W, Schouw M, Bogers J, Hulshof F, de Knijff R, Duindam P, Veereschild M, Bak M, Frederix G, de Haan L, van Os J, Cahn W, Luykx J. Study protocol of a randomized, double-blind, placebo-controlled, multi-center trial to treat antipsychotic-induced weight gain: the Metformin-Lifestyle in antipsychotic users (MELIA) trial. BMC Psychiatry 2021, 21: 4. PMID: 33402159, PMCID: PMC7783702, DOI: 10.1186/s12888-020-02992-4.Peer-Reviewed Original ResearchConceptsNetherlands Trial RegisterLifestyle interventionQuality of lifeTreatment inceptionOutcome measuresWeight gainAntipsychotic-induced weight gainSafety of metforminUse of metforminCommon adverse effectsSecondary outcome measuresPrimary outcome measureWeeks of treatmentBody weight lossMulti-center trialType 2 diabetesMajor health problemYears of ageSchizophrenia spectrum disordersTrials RegisterMetabolic syndromeOptimal management strategyExercise programMetformin treatmentDietary consultation
2019
Phenotypic factors associated with amisulpride‐induced weight gain in first‐episode psychosis patients (from the OPTiMiSE cohort)
Pandit R, Cianci D, Hark S, Rossum I, Ebdrup B, Broberg B, Garcia‐Portilla M, Bobes J, Vinkers C, Kahn R, Guloksuz S, Huitema A, Luykx J. Phenotypic factors associated with amisulpride‐induced weight gain in first‐episode psychosis patients (from the OPTiMiSE cohort). Acta Psychiatrica Scandinavica 2019, 140: 283-290. PMID: 31323113, PMCID: PMC6771865, DOI: 10.1111/acps.13074.Peer-Reviewed Original ResearchConceptsFirst-episode psychosis patientsPsychosis patientsWeight gainSchizophreniform disorderAntipsychotic-induced weight gainFirst-episode patientsManagement of schizophreniaLower baseline weightMultivariable regression modelsWeight-reducing strategiesOptimization of treatmentRegression modelsMajor depression disorderPhenotypic factorsAmisulpride treatmentBaseline weightEurope (Syst-Eur) trialMost antipsychoticsDepression disorderYoung subjectsBody weightPatientsBetter efficacyYounger ageAIWG
2016
Antipsychotic-Induced Weight Gain in First-Episode Psychosis Patients: A Meta-Analysis of Differential Effects of Antipsychotic Medications
Tek C, Kucukgoncu S, Guloksuz S, Woods SW, Srihari VH, Annamalai A. Antipsychotic-Induced Weight Gain in First-Episode Psychosis Patients: A Meta-Analysis of Differential Effects of Antipsychotic Medications. FOCUS The Journal Of Lifelong Learning In Psychiatry 2016, 14: 370-377. PMID: 31997958, PMCID: PMC6988756, DOI: 10.1176/appi.focus.140308.Peer-Reviewed Original Research
2013
Investigating the safety and efficacy of naltrexone for anti-psychotic induced weight gain in severe mental illness: study protocol of a double-blind, randomized, placebo-controlled trial
Tek C, Guloksuz S, Srihari VH, Reutenauer EL. Investigating the safety and efficacy of naltrexone for anti-psychotic induced weight gain in severe mental illness: study protocol of a double-blind, randomized, placebo-controlled trial. BMC Psychiatry 2013, 13: 176. PMID: 23805859, PMCID: PMC3702521, DOI: 10.1186/1471-244x-13-176.Peer-Reviewed Original ResearchConceptsSevere mental illnessEfficacy of naltrexoneWeight gainOutcome measurementsHealth problemsMental illnessGreater New Haven areaTumor necrosis factor alphaWeight lossCurrent available medicationsPlacebo-controlled trialHigh-sensitivity CRPOpioid receptor antagonistSecondary outcome measuresSerum lipid profilePrimary outcome measurementBody mass indexD2 receptor blockadeEffects of naltrexoneNovel pharmacological optionsNecrosis factor alphaDoses of naltrexoneMajor health problemRates of obesitySignificant weight loss