Drugs / Clozapine
last change Jun 2026 re-read 8 days ago

Clozapine

Other / unclassified targets DRD2, HTR2A via inhibition

Developed for
schizophrenia · schizoaffective disorder · bipolar disorder · psychotic disorder · substance abuse · substance-related disorder · alcohol abuse · bipolar I disorder
+9 more · cannabis dependence · developmental disability · intellectual disability · neuropathy, painful · Parkinson disease · personality disorder · schizophreniform disorder · treatment-refractory schizophrenia · childhood-onset schizophrenia
Investigated by
National Institute of Mental Health (NIMH) · Dartmouth-Hitchcock Medical Center · Novartis · Centre for Addiction and Mental Health · Commonwealth Research Center, Massachusetts · Harvard Medical School (HMS and HSDM)
+62 more · Beersheva Mental Health Center · Dr. Inge Winter · Shanghai Mental Health Center · University of Münster · University of South Carolina · Andalusian Public Foundation for Health Research in Seville · Anders Fink-Jensen, MD, DMSci · Augusta University · Azur Pharma, Inc · Beijing Tiantan Hospital · Ben-Gurion University of the Negev · Beth Israel Deaconess Medical Center · Canadian Psychiatric Research Foundation · Conselho Nacional de Desenvolvimento Científico e Tecnológico · Coordenação de Aperfeiçoamento de Pessoal de Nível Superior. · Dong Wha Pharmaceutical Co. Ltd. · DongGuk University · Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) · Fundación Pública Andaluza Progreso y Salud · Geha Mental Health Center · HaEmek Medical Center, Israel · Hannover Medical School · Hartford Hospital · Hospital de Clinicas de Porto Alegre · Instituto de Salud Carlos III · Jimmi Nielsen · King's College London · Konkuk University Hospital · Ludwig-Maximilians - University of Munich · Manhattan Psychiatric Center · Memorial Hospital of Rhode Island · Michigan State University · Naju National Hospital · Nathan Kline Institute for Psychiatric Research · National Institute on Alcohol Abuse and Alcoholism (NIAAA) · National Institute on Drug Abuse (NIDA) · New York State Psychiatric Institute · Ohio State University · Rakitzi, Stavroula · Rene Kahn · Rigshospitalet, Denmark · Seoul National Hospital · Sha'ar Menashe Mental Health Center · Technical University of Munich · Technion, Israel Institute of Technology · The Catholic University of Korea · The Ian Douglas Bebensee Foundation · The Nazareth Hospital, Israel · Tirat Carmel Mental Health Center · University of British Columbia · University of Chicago · University of Copenhagen · University of Georgia · University of Manchester · University of Maryland, Baltimore · University of Massachusetts, Worcester · University of Miami · University of Missouri, Kansas City · University of Texas Southwestern Medical Center · VA Medical Center-West Los Angeles · Vanderbilt University · Wonkwang University

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) CLOZAPINE — 2010-04-15 fda.gov ↗
Label expansion US (FDA) CLOZARIL — 2002-12-18 fda.gov ↗
Approved US (FDA) CLOZARIL — 1989-09-26 fda.gov ↗

Trials 42

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT06596681 Sep 2024 → Mar 2026 overdue neuropathy, painful Beijing Tiantan Hospital Recruiting No outcome recorded
Phase 12 trials
Phase 1 NCT06993662 Jun 2025 → Dec 2027 expected anxiety, bipolar disorder, depressive disorder, obsessive-compulsive disorder +3 Rakitzi, Stavroula Active not recruiting No outcome recorded
Phase 1 NCT01654601 Jun 2012 → Apr 2013 schizophrenia Dong Wha Pharmaceutical Co. Ltd. Completed No outcome recorded
Phase 23 trials
Phase 2 NCT04529226 Nov 2020 → Jan 2025 intellectual disability, psychotic disorder Andalusian Public Foundation for Health Research in Seville Unknown No outcome recorded
Phase 2 NCT00029458 Jan 2002 → Oct 2005 bipolar disorder National Institute of Mental Health (NIMH) Completed No outcome recorded
Phase 2 NCT00154258 Apr 2001 → Dec 2009 schizophrenia Novartis Completed No outcome recorded
Phase 39 trials
Phase 3 NCT05603104 Apr 2025 → Jun 2028 expected bipolar depression, major depressive disorder, schizophrenia Dr. Inge Winter Recruiting No outcome recorded
Phase 3 NCT04528095 Dec 2020 → Dec 2022 schizophrenia Shanghai Mental Health Center Unknown No outcome recorded
Phase 3 NCT03510325 Feb 2019 → Sep 2023 schizophrenia Shanghai Mental Health Center Completed No outcome recorded
Phase 3 NCT02374567 Jan 2015 → Jun 2017 anxiety disorder, dementia, depressive disorder, schizophrenia +1 Hannover Medical School Terminated No outcome recorded
Phase 3 NCT01765829 Nov 2012 → Nov 2015 psychotic disorder Fundación Pública Andaluza Progreso y Salud Unknown No outcome recorded
Phase 3 NCT00250575 Nov 2005 → Dec 2009 schizophrenia Novartis Completed No outcome recorded
Phase 3 NCT00036582 May 2002 → Feb 2004 bipolar disorder National Institute of Mental Health (NIMH) Completed No outcome recorded
Phase 3 NCT00065273 Jul 1998 → Jun 2001 developmental disability Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Completed No outcome recorded
Phase 3 NCT00189995 — schizophrenia Beersheva Mental Health Center Withdrawn No outcome recorded
Phase 420 trials · 3 missed
Phase 4 NCT05958875 Aug 2024 → Jun 2028 expected schizophrenia Dr. Inge Winter Recruiting No outcome recorded
Phase 4 NCT05741502 Aug 2023 → Jan 2026 schizophrenia Ohio State University Terminated No outcome recorded Stop: Enrollment
Phase 4 NCT05208190 Mar 2022 → Jun 2028 expected schizoaffective disorder, schizophrenia New York State Psychiatric Institute Recruiting No outcome recorded
Phase 4 NCT04580134 Mar 2022 → Apr 2027 expected bipolar I disorder, schizoaffective disorder, schizophrenia University of Texas Southwestern Medical Center Recruiting No outcome recorded
Phase 4 NCT05316883 Feb 2021 → Dec 2029 expected schizophrenia Jimmi Nielsen Recruiting No outcome recorded
Phase 4 NCT03857581 Jul 2020 → Jul 2021 psychotic disorder, substance-related disorder Augusta University Unknown No outcome recorded
Phase 4 NCT02639702 Aug 2016 → Dec 2026 expected schizoaffective disorder, schizophrenia Centre for Addiction and Mental Health Recruiting No outcome recorded
Phase 4 NCT02562287 Oct 2015 → Jun 2019 bipolar disorder Hospital de Clinicas de Porto Alegre Unknown No outcome recorded
Phase 4 NCT02625103 Sep → Dec 2015 schizophrenia Anders Fink-Jensen, MD, DMSci Completed No outcome recorded
Phase 4 NCT02286206 Jan 2015 → Dec 2017 schizophrenia University of British Columbia Withdrawn No outcome recorded
Phase not applicable7 trials · 2 met primary
— NCT02404155 Jul 2015 → Oct 2021 schizophrenia University of Maryland, Baltimore Completed Met primary
— NCT01448499 Oct 2011 → Oct 2013 treatment-refractory schizophrenia Geha Mental Health Center Withdrawn No outcome recorded
— NCT00493233 Nov 2006 → Dec 2008 schizophrenia Centre for Addiction and Mental Health Completed No outcome recorded
— NCT00573287 Jun 2006 → Dec 2010 schizophrenia, substance-related disorder Dartmouth-Hitchcock Medical Center Completed No outcome recorded
— NCT00179231 May 2000 → Feb 2004 schizoaffective disorder, schizophrenia Vanderbilt University Completed No outcome recorded
— NCT01123408 Jun 1999 → Jul 2004 schizophrenia Nathan Kline Institute for Psychiatric Research Completed Met primary
— NCT00004826 Oct 1993 → Nov 1997 Parkinson disease Memorial Hospital of Rhode Island Completed No outcome recorded
Comparator or background therapy28 trials
Phase 0 NCT07533591 Background May 2026 → Apr 2029 expected Parkinson disease Second Affiliated Hospital, School of Medicine, Zhejiang University Not yet recruiting No outcome recorded
Phase 0 NCT07085195 Background Aug → Dec 2025 overdue Parkinson disease Ruijin Hospital Not yet recruiting No outcome recorded
Phase 0 NCT06906224 Comparator May 2022 → Nov 2023 schizophrenia Chuanfu Song Completed No outcome recorded
Phase 1 NCT07262736 Comparator Feb 2021 → Feb 2022 — Universiti Sains Malaysia Completed No outcome recorded
Phase 1/2 NCT00042224 Background Dec 2000 → Jul 2008 schizophrenia Northwell Health Completed No outcome recorded

News releases announcing trial results or a regulatory action · 1

DateIssuerRelease
2024-05-28 HLS Therapeutics, Inc Results New Study Published on the Impact of Pharmaceutical Support Programs on Persistence with Clozapine Treatment hlstherapeutics.com ↗
HLS Therapeutics Inc. ("HLS" or the "Company") (TSX: HLS), a pharmaceutical company focused on addressing unmet needs in the treatment of psychiatric disorders and cardiovascular disease, announces that results from a Quebec-based retrospective study examining the positive impact of pharmaceutical support programs ("PSPs") on persistence with clozapine treatment have been published in the Journal of Clinical Pharmacology and Therapeutics.

Evidence & citations 27 cited values

Every value below carries the sentence it was read from. 71 sources stand behind the page.

FieldValueCited text
Known as Clozapine “Regular antipsychotic medications (Risperidone, Olanzapine, Clozapine, Amisulpride, Quetiapine, Paliperidone, Aripiprazole, Haloperidol, Levomepromazine, Zuclopenthixol...” NCT01323205 ↗
68

“Drugs: Aripiprazole, Olanzapine, Zuclopenthixol, Clotiapine, Flupentixol, Risperidone, Sulpiride, Trifluoperazine, Haloperidol, Quetiapine, Paliperidone, Chlorpromazine,...” NCT01765829 ↗

“The combination of pharmacotherapy (anxiolytics (Tavor, clonotril, lexotanil) antidepressants (SSRI, SNRI), mood stabilizers (lithium, depakine), antipsychotics (clozapine and...” NCT06993662 ↗

“After the surgery, combined with clozapine, the abnormal activity of the subthalamic nucleus was precisely intervened to improve the core motor symptoms of Parkinson's disease.” NCT07533591 ↗

“The purpose of this study is to obtain data on equivalence of generic clozapine to Fazaclo (orally disintegrating tablet).” NCT00501618 ↗

“Multi-acting receptor-targeted antipsychotics (MARTAs): clozapine, olanzapine, quetiapine.” NCT04898270 ↗

“olanzapine,clozapine,magnesium valproat,etc.” NCT03651674 ↗

NCT00169091 ↗

NCT05316883 ↗

NCT00498550 ↗

NCT00753051 ↗

Show 58 more sources

Known as Clozapina ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (caraco) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (clozaril) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (fazaclo) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (ivax) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (mylan) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (teva) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (udl) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine (versacloz) ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as CLOZAPINE CHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozapine resolution mixture ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Clozaril ClinicalTrials.gov intervention name — accepted as the source's own label NCT01654601 ↗
Known as CLZ “Clozapine (CLZ) is the most effective antipsychotic for treatment-refractory schizophrenia (SZ).” NCT02404155 ↗
Known as Fazaclo “The purpose of this study is to obtain data on equivalence of generic clozapine to Fazaclo (orally disintegrating tablet).” NCT00501618 ↗
Known as Fazaclo odt ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as HF 1854 ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Leponex ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as NSC-757429 ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Versacloz ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Known as Zaponex ChEMBL registry synonym — accepted as the source's own label CHEMBL42 ↗
Action Activate “Both clozapine and D-cycloserine may improve negative symptoms by activation of the glycine modulatory site of the NMDA receptor complex.” NCT00000372 ↗
Action Inhibit “Serotonin 2a (5-HT2a) receptor antagonist” CHEMBL42 ↗
1

“Dopamine D2 receptor antagonist” CHEMBL42 ↗

Modality Other / unclassified “clozapine, an atypical antipsychotic” NCT01639872 ↗
Route Oral “The drug is taken orally at night” NCT00004826 ↗