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ClinicalTrials.gov public records Last synced Oct 17, 2026, 2:59 AM EDT

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Showing 1–24 of 237 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: olanzapine Clear all
Completed No phase listed Observational

Side Effects of Antipsychotic Medications

NCT00363181
View directory record Official record
Conditions
Insulin Resistance, Metabolic Syndrome X, Schizophrenia and Disorders With Psychotic Features, Mood Disorders, Psychotic Disorders
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
30 Years to 66 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Oct 17, 2026, 2:59 AM EDT
Completed No phase listed Observational

Olanzapine, Haloperidol, Ziprasidone, Midazolam for Acute Undifferentiated Agitation

NCT03211897
View directory record Official record
Conditions
Agitation,Psychomotor
Interventions
Haloperidol Injection, Ziprasidone Injection, OLANZapine Injection, Midazolam injection
Drug
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
737 participants
Timeline
2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2018 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 2 Interventional

SB-773812 Administered In Adults With Schizophrenia

NCT00259870
View directory record Official record
Conditions
Schizophrenia
Interventions
SB-773812, Olanzapine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
18
States / cities
Birmingham, Alabama • Cerritos, California • Garden Grove, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Olanzapine for Acute Headaches

NCT03066622
View directory record Official record
Conditions
Headache
Interventions
Standard of Care as per attending physician, 5mg rapidly dissolving olanzapine
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Early Onset Schizophrenia Spectrum Disorders (TEOSS)

NCT00053703
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone, Olanzapine (enrollment closed in this treatment), Molindone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
8 Years to 19 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
4
States / cities
Medford, Massachusetts • Chapel Hill, North Carolina • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2014 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Antipsychotics for Metabolic Problems in Schizophrenia or Schizoaffective Disorder

NCT00423878
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Risperidone, Olanzapine, Quetiapine, Aripiprazole
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
28
States / cities
Colton, California • Palo Alto, California • New Haven, Connecticut + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 17, 2026, 2:59 AM 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 21, 2021 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 3 Interventional Results available

A New Pharmacotherapy for Alcohol Dependence: Olanzapine

NCT00746785
View directory record Official record
Conditions
Alcohol Dependence
Interventions
2.5 mg Olanzapine, 5mg Olanzapine, placebo
Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
21 Years to 55 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 20, 2014 · Synced Oct 17, 2026, 2:59 AM EDT
Not listed Phase 4 Interventional

Clozapine Versus Olanzapine as Treatment for Comorbid Psychotic Disorder and Substance Use Disorder

NCT03857581
View directory record Official record
Conditions
Psychosis, Substance Use Disorders
Interventions
Clozapine, Olanzapine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Evans, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Oct 17, 2026, 2:59 AM EDT
Withdrawn Phase 4 Interventional

Psychopharmacological Treatment of Emotional Distress

NCT06133114
View directory record Official record
Conditions
Suicide Crisis Syndrome, Psychological Distress
Interventions
Clonazepam, Olanzapine, Buprenorphine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 1 Interventional

Parallel Group, Multiple Dose Pharmacokinetics Study of Five Antipsychotic Medications in Psychiatric Participants

NCT02087579
View directory record Official record
Conditions
Psychotic Disorders, Schizophrenia, Bipolar Disorder, Depressive Disorder
Interventions
Aripiprazole, oral formulation, Olanzapine, oral formulation, Paliperidone, oral formulation, Paliperidone, LAI, Quetiapine, oral formulation, Risperidone, oral formulation, Risperidone, LAI
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
6
States / cities
Garden Grove, California • Kissimmee, Florida • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Assessment and Comparison of Metabolic Changes in Non-psychotic Adults Taking Iloperidone or Olanzapine or Placebo

NCT01920802
View directory record Official record
Conditions
Healthy
Interventions
olanzapine, iloperidone, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 35 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 2 Interventional Results available

Use of Galantamine and CDP-choline (Citicoline) to Treat Adults With Schizophrenia

NCT00509067
View directory record Official record
Conditions
Schizophrenia
Interventions
Galantamine, CDP-choline, Placebo, risperidone, olanzapine, quetiapine, ziprasidone, and/or aripiprazole
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

Glucose and Lipid Metabolism on Antipsychotic Medication

NCT00515723
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Type 2 Diabetes Mellitus, Hyperglycemia
Interventions
risperidone, olanzapine, quetiapine, ziprasidone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 17, 2026, 2:59 AM EDT
Terminated Phase 2Phase 3 Interventional

A Long-Term, Open-Label, Study on Schizophrenia

NCT01129674
View directory record Official record
Conditions
Schizophrenia
Interventions
LY2140023, Olanzapine, Aripiprazole, Risperidone, Quetiapine
Drug
Lead sponsor
Denovo Biopharma LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
42
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 39 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 17, 2026, 2:59 AM 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 13, 2019 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 1 Interventional

Study of Amantadine for Weight Stabilization During Olanzapine Treatment

NCT00287352
View directory record Official record
Conditions
Psychotic Disorder, Schizophreniform Disorder, Schizophrenia, Schizoaffective Disorder, Mood Disorders With Psychotic Features
Interventions
Olanzapine, Amantadine, Olanzapine and placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 2, 2011 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Olanzapine Tablets 5 mg and Zyprexa® Tablets 5 mg

NCT00648921
View directory record Official record
Conditions
Healthy
Interventions
Olanzapine Tablets 5 mg, Zyprexa® Tablets 5 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 17, 2026, 2:59 AM EDT
Terminated Phase 3 Interventional Results available

Olanzapine for the Prevention of Chemotherapy Induced Nausea and Vomiting in Gynecologic Oncology Patients

NCT04503668
View directory record Official record
Conditions
Gynecologic Cancer
Interventions
Ondansetron, Dexamethasone, Neurokinin-1 Receptor Antagonist (NK1-RA), Olanzapine, Compazine
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Results available

Preventing Relapse in Schizophrenia: Oral Antipsychotics Compared To Injectables: Evaluating Efficacy

NCT00330863
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Risperidone microspheres, Risperidone, Olanzapine, Quetiapine, Ziprasidone, Aripiprazole, Paliperidone
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
8
States / cities
Los Angeles, California • Augusta, Georgia • Iowa City, Iowa + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 4 Interventional Results available

Exenatide for the Treatment of Weight Gain Associated With Olanzapine in Obese Adults

NCT00845507
View directory record Official record
Conditions
Weight Gain
Interventions
Exenatide, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2018 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A First In Human Study Of PF-00184562 In Healthy Volunteers

NCT00150215
View directory record Official record
Conditions
Schizophrenia
Interventions
PF-00184562, Olanzapine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2006 · Synced Oct 17, 2026, 2:59 AM EDT
Completed Phase 1 Interventional Results available

Indenoisoquinoline LMP744 in Adults With Relapsed Solid Tumors and Lymphomas

NCT03030417
View directory record Official record
Conditions
Solid Tumors, Lymphoma
Interventions
LMP744, Ondansetron, Olanzapine, Lorazepam, Diphenoxylate hydrocholoride (HCL) + Atropine Sulfate, Loperamide, Diphenhydramine, Steroid, Epinephrine
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Bethesda, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 17, 2026, 2:59 AM EDT
Not listed No phase listed Observational

DNA Diagnostics for Minimizing Metabolic Side-Effects of Antipsychotics

NCT00752960
View directory record Official record
Conditions
Psychoses
Interventions
Not listed
Lead sponsor
Genomas, Inc
Industry
Eligibility
18 Years to 59 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Hartford, Connecticut • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 16, 2008 · Synced Oct 17, 2026, 2:59 AM EDT