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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

A Phase 1 Safety Study in Adults With Schizophrenia

NCT02804568
View directory record Official record
Conditions
Schizophrenia
Interventions
ALKS 3831
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Little Rock, Arkansas • Clementon, New Jersey • Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 21, 2016 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Modafinil on Olanzapine Weight Gain

NCT00636896
View directory record Official record
Conditions
Weight Gain
Interventions
Olanzapine plus modafinil, Olanzapine plus placebo
Drug
Lead sponsor
Neuropsychiatric Research Institute, Fargo, North Dakota
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2008 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Breast Milk Pharmacokinetics of Olanzapine and Samidorphan

NCT05547100
View directory record Official record
Conditions
Focus of Study is on Healthy Lactating Women
Interventions
LYBALVI
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 2 Interventional

A Study of RO4917838 (Bitopertin) in Patients With Acute Exacerbation of Schizophrenia

NCT01234779
View directory record Official record
Conditions
Schizophrenia
Interventions
bitopertin [RO4917838], olanzapine, placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
19
States / cities
Little Rock, Arkansas • Cerritos, California • Oceanside, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 3 Interventional Results available

Olanzapine Pamoate Depot Versus Oral Olanzapine on Treatment Outcomes in Outpatients With Schizophrenia

NCT00320489
View directory record Official record
Conditions
Schizophrenia
Interventions
olanzapine, olanzapine pamoate depot
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
524 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
13
States / cities
Escondido, California • National City, California • Orange, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2012 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 1 Interventional

Phase 1 Study of OLZ/SAM in Pediatric Subjects With Bipolar I Disorder

NCT04987658
View directory record Official record
Conditions
Bipolar I Disorder
Interventions
OLZ/SAM
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
10 Years to 12 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Decatur, Georgia • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of RDX-002 on Postprandial Triglycerides in Subjects Treated With Olanzapine

NCT05857566
View directory record Official record
Conditions
Drug-induced Weight Gain
Interventions
RDX-002
Drug
Lead sponsor
Response Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 4 Interventional Results available

Switching to Iloperidone From Other Antipsychotics in Schizophrenia

NCT01207414
View directory record Official record
Conditions
Schizophrenia
Interventions
iloperidone
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 64 Years
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
59
States / cities
Birmingham, Alabama • Cerritos, California • Costa Mesa, California + 46 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Sep 27, 2026, 1:56 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy of Lu AF35700 in Patients With Early-in-disease or Late-in-disease Treatment-resistant Schizophrenia

NCT03230864
View directory record Official record
Conditions
Treatment-resistant Schizophrenia
Interventions
Lu AF35700, Risperidone, Olanzapine
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
10
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Sep 27, 2026, 1:56 PM EDT
Terminated Not applicable Interventional Results available

A Research Study Examining the Use of Olanzapine for the Prevention of Migraine

NCT00203307
View directory record Official record
Conditions
Migraine
Interventions
Olanzapine during first intervention period and placebo during second intervention period, Placebo during first intervention period, then olanzapine during second intervention period
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2011 · Synced Sep 27, 2026, 1:56 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Cardio Risk of Acute Schizophrenia Olanzapine Duke

NCT00672464
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Olanzapine, Metformin, Simvastatin
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Butner, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 30, 2014 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Not applicable Interventional Results available

Melatonin Metabolism Abnormality in Patients With Schizophrenia or Schizoaffective Disorder Treated With Olanzapine

NCT00512070
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Obesity, Metabolic Syndrome
Interventions
olanzapine and melatonin
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2024
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Early Onset of Antipsychotic Drug Action in Schizophrenia

NCT00337662
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
olanzapine, risperidone
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
31
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2010 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 2 Interventional

RCT of Olanzapine for Control of CIV in Children Receiving Highly Emetogenic Chemotherapy

NCT03118986
View directory record Official record
Conditions
Vomiting in Infants and/or Children, Nausea, Hematopoietic System--Cancer, Oncology
Interventions
Olanzapine, Placebo Oral Tablet
Drug
Lead sponsor
The Hospital for Sick Children
Other
Eligibility
30 Months to 18 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
5
States / cities
San Francisco, California • Kansas City, Missouri • Chapel Hill, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Sep 27, 2026, 1:56 PM EDT
Terminated No phase listed Observational

Olanzapine Versus Midazolam for Agitation

NCT03899506
View directory record Official record
Conditions
Agitation,Psychomotor
Interventions
Olanzapine, Midazolam
Drug
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2019 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 2 Interventional Results available

A Safety Study Comparing LY2140023 to Atypical Antipsychotic Standard Treatment in Schizophrenic Patients

NCT00845026
View directory record Official record
Conditions
Schizophrenia
Interventions
LY2140023, aripiprazole, olanzapine, risperidone
Drug
Lead sponsor
Denovo Biopharma LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
11
States / cities
Escondido, California • Garden Grove, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Sep 27, 2026, 1:56 PM EDT
Terminated Phase 2 Interventional

Olanzapine Given in Combination With Zonisamide SR to Prevent Weight Gain in Schizophrenic Subjects

NCT00734435
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
zonisamide SR plus olanzapine, Placebo plus olanzapine
Drug
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
9
States / cities
National City, California • Orange, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2012 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 4 Interventional Results available

Comparison of Optimal Antipsychotic Treatments for Adults With Schizophrenia

NCT00802100
View directory record Official record
Conditions
Schizophrenia
Interventions
Olanzapine, Perphenazine, Aripiprazole, Metformin, Simvastatin, Benztropine
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
Colton, California • Palo Alto, California • New Haven, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Crossover Study of the Acute Effects of Olanzapine in Healthy Volunteers

NCT00741026
View directory record Official record
Conditions
Insulin Resistance, Diabetes Mellitus
Interventions
Olanzapine 10 mg po qhs for 3 days, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Sep 27, 2026, 1:56 PM EDT
Available No phase listed Expanded access

An Expanded Access Program (EAP) for OLZ/SAM in Pediatric Participants With Schizophrenia or Bipolar I Disorder (ALKS 3831-315)

NCT07744113
View directory record Official record
Conditions
Bipolar 1 Disorder, Schizophrenia Disorder
Interventions
OLZ/SAM
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
10 Years to 17 Years
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Not applicable Interventional

Clozapine and Olanzapine Treatment of Aggression

NCT01123408
View directory record Official record
Conditions
Schizophrenia
Interventions
Clozapine, Olanzapine, Haloperidol
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 60 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2010 · Synced Sep 27, 2026, 1:56 PM EDT
Recruiting Phase 3 Interventional

Study to Evaluate Efficacy and Safety of Roluperidone in Adult Subjects With Negative Symptoms and Stable Positive Symptoms of Schizophrenia and to Evaluate the Relapse Rate of Roluperidone and Antipsychotic Medications

NCT07565428
View directory record Official record
Conditions
Negative Symptoms of Schizophrenia
Interventions
Roluperidone, risperidone, aripiprazole, olanzapine, Placebo
Drug
Lead sponsor
Minerva Neurosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
13
States / cities
Bellflower, California • Culver City, California • Garden Grove, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 27, 2026, 1:56 PM EDT
Recruiting Phase 3 Interventional

Study to Evaluate Weight Gain as Assessed by Change in BMI Z-score in Pediatric Subjects With Schizophrenia or Bipolar I Disorder

NCT05303064
View directory record Official record
Conditions
Schizophrenia, Bipolar I Disorder
Interventions
OLZ/SAM, Olanzapine
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
10 Years to 17 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
26
States / cities
Dothan, Alabama • Little Rock, Arkansas • Encino, California + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 27, 2026, 1:56 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3, Long-term Safety and Tolerability Study of ALKS 3831 in Adults With Schizophrenia

NCT02873208
View directory record Official record
Conditions
Schizophrenia
Interventions
ALKS 3831
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
43
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Anaheim, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 27, 2026, 1:56 PM EDT