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Showing 1–24 of 108 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ondansetron Clear all
Terminated Phase 4 Interventional Results available

Does IV Ondansetron Prevent Pruritus After Intrathecal Morphine in Pediatric Patients?

NCT03262038
View directory record Official record
Conditions
Pruritus, Nausea/Vomiting
Interventions
Ondansetron, Placebo Comparator
Drug
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 17 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Tariquidar-ondansetron Combination in Neuropathic Pain

NCT04603066
View directory record Official record
Conditions
Neuropathic Pain
Interventions
Ondansetron 16 mg with Tariquidar, Ondansetron 16 mg with Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety & Interaction Between GW679769, Dexamethasone, & Ondansetron When Taken by Healthy Adults

NCT00437229
View directory record Official record
Conditions
Nausea and Vomiting, Chemotherapy-Induced
Interventions
Casopitant (GW679769) Oral Tablets, dexamethasone, ondansetron
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Palonosetron IV to Prevent Postoperative Nausea and Vomiting in Pediatric Patients

NCT01395901
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Palonosetron, Ondansetron, Placebo to Ondansetron, Placebo to Palonosetron
Drug
Lead sponsor
Helsinn Healthcare SA
Industry
Eligibility
Up to 16 Years
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
12
States / cities
Florence, Alabama • Sheffield, Alabama • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2014 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 3 Interventional

Intravenous And Oral Casopitant (GW679769) For The Prevention Of Chemotherapy Induced Nausea And Vomiting

NCT00366834
View directory record Official record
Conditions
Vomiting, Nausea, Nausea and Vomiting, Chemotherapy-Induced
Interventions
Casopitant (GW679769) oral tablets, Casopitant (GW679769) intravenous, Dexamethasone intravenous, Ondansetron oral tablets, placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
1,840 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
86
States / cities
Birmingham, Alabama • Glendale, Arizona • Fayetteville, Arkansas + 78 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Not applicable Interventional

Ondansetron VS Doxylamine and Pyridoxine in Treating Nausea of Pregnancy

NCT01668069
View directory record Official record
Conditions
Vomiting of Pregnancy
Interventions
Ondansetron
Drug
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 90 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 4 Interventional Results available

Aprepitant With Dexamethasone Versus Ondansetron With Dexamethasone for PONV Prophylaxis in Patients Having Craniotomy

NCT00734929
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Aprepitant + Dexamethasone, Ondansetron + Dexamethasone
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2017 · Synced Jul 22, 2026, 7:09 AM EDT
Withdrawn Not applicable Interventional

Aprepitant PO vs Ondansetron IV for Prevention of Postoperative Nausea and Vomiting

NCT00699894
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
aprepitant 40 mg, ondansetron 4 mg
Drug
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 25 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2013 · Synced Jul 22, 2026, 7:09 AM EDT
Active, not recruiting Phase 2 Interventional

A Study in Patients With Major Depressive Disorder

NCT03642964
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
CTC-501
Drug
Lead sponsor
Chase Therapeutics Corporation
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 2 Interventional Results available

Pharmacogenetic Study of Ondansetron in Alcohol Use Disorder

NCT02354703
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 70 Years
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
3
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Jul 22, 2026, 7:09 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of TAK-058 and Ondansetron on P50 Auditory Gating in Participants With Stable Schizophrenia

NCT02614586
View directory record Official record
Conditions
Schizophrenia
Interventions
TAK-058, Ondansetron, TAK-058 Placebo, Ondansetron Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 2 Interventional

Study Of Prevention of Chemo-Induced Nausea and Vomiting Caused By Moderately Emetogenic Chemotherapy

NCT00104403
View directory record Official record
Conditions
Nausea and Vomiting, Chemotherapy-Induced, Chemotherapy-Induced Nausea and Vomiting
Interventions
GW679769, Dexamethasone, Ondansetron Hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
722 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
47
States / cities
Birmingham, Alabama • Corona, California • Greenbrae, California + 43 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Conscious Sedation Efficacy of the MKO Melt (Midazolam, Ketamine, Ondansetron)

NCT03653520
View directory record Official record
Conditions
Cataract
Interventions
Diazepam, Tramadol, Ondansetron, MKO melt
Drug
Lead sponsor
Avanti Anesthesia
Other
Eligibility
18 Years and older
Enrollment
651 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aprepitant Versus Ondansetron in Preoperative Triple-therapy Treatment of Nausea and Vomiting

NCT01474915
View directory record Official record
Conditions
Postoperative Nausea and Vomiting (PONV), Nausea
Interventions
Aprepitant, Ondansetron, Promethazine, Dexamethasone
Drug
Lead sponsor
Sergio Bergese
Other
Eligibility
18 Years to 85 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 2, 2013 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 4 Interventional Results available

Ondansetron for Bipolar Disorder and Alcohol Use Disorders

NCT02082678
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Use Disorder, Dual Diagnosis
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jul 22, 2026, 7:09 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of Low-Dose Ondansetron For Adjunctive Therapy In Adult Patients With Obsessive-Compulsive Disorder

NCT01275248
View directory record Official record
Conditions
Obsessive-compulsive Disorder
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
Transcept Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
22
States / cities
Beverly Hills, California • Imperial, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 2 Interventional Results available

Rolapitant as an Antiemetic in Malignant Glioma Patients Receiving Radiotherapy and Temozolomide

NCT02991456
View directory record Official record
Conditions
Chemo-radiation Induced Nausea and Vomiting
Interventions
Rolapitant, Ondansetron
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Jul 22, 2026, 7:09 AM EDT
Terminated Phase 2 Interventional

Study of Pyridostigmine With Ondansetron in Subjects With Anti-AchR Positive Myasthenia Gravis

NCT04226170
View directory record Official record
Conditions
Myasthenia Gravis
Interventions
DAS-001
Drug
Lead sponsor
DAS-MG, Inc
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jul 22, 2026, 7:09 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Ondansetron on Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus and Dyspepsia

NCT03865290
View directory record Official record
Conditions
Indigestion, Diabetes Mellitus
Interventions
Ondansetron 8mg, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pharmacogenomics and Post-Operative Nausea and Vomiting

NCT03503292
View directory record Official record
Conditions
Postoperative Nausea
Interventions
Granisetron, Ondansetron
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Jul 22, 2026, 7:09 AM EDT
Completed No phase listed Observational

Study of Drug Concentration of Ondansetron and Cefazolin in Mothers and Neonates

NCT01357369
View directory record Official record
Conditions
Pregnancy Complications
Interventions
Phlebotomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Jul 22, 2026, 7:09 AM EDT
Terminated Phase 2 Interventional Results available

Ondansetron as a Strategy for Reducing Propofol Injection Pain in Pediatrics: a Randomized Controlled Trial

NCT05378113
View directory record Official record
Conditions
Injection Site Irritation
Interventions
Ondansetron, Lidocaine
Drug
Lead sponsor
Emory University
Other
Eligibility
2 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 2Phase 3 Interventional

Intravenous Ondansetron to Attenuate the Hypotensive, Bradycardic Response to Spinal Anesthesia in Healthy Parturients

NCT01414777
View directory record Official record
Conditions
Hypotension, Pregnancy
Interventions
ondansetron, placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Jul 22, 2026, 7:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Investigate the Effect of Intravenous Ondansetron on Cardiac Conduction as Compared to Placebo and Moxifloxacin in Healthy Adult Subjects

NCT01449188
View directory record Official record
Conditions
Nausea and Vomiting, Chemotherapy-Induced
Interventions
ondansetron, moxifloxacin, saline
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Jul 22, 2026, 7:09 AM EDT