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ClinicalTrials.gov public records Last synced Oct 1, 2026, 6:24 PM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ondansetron plus placebo Clear all
Completed Phase 3 Interventional Results available

Antiemetic Therapy With or Without Olanzapine in Preventing Chemotherapy-Induced Nausea and Vomiting in Patients With Cancer Receiving Highly Emetogenic Chemotherapy

NCT02116530
View directory record Official record
Conditions
Hematopoietic/Lymphoid Cancer, Nausea and Vomiting, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
Olanzapine, Chemotherapy (cisplatin or cyclophosphamide and doxorubicin), Antiemetic treatment (ondansetron or granisetron or palonosetron; plus dexamethasone; plus fosaprepitant or aprepitant), Placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
401 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
177
States / cities
Anchorage, Alaska • Burbank, California • Dublin, California + 109 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

A Prospective, Multicenter, Study of APF530 (Granisetron) SC for Prevention of CINV in Patients Receiving HEC

NCT02106494
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
APF530, Ondansetron, Ondansetron placebo, APF530 placebo, Fosaprepitant, Dexamethasone
Drug
Lead sponsor
Heron Therapeutics
Industry
Eligibility
18 Years to 87 Years
Enrollment
942 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Phoenix, Arizona • Downey, California • Riverside, California + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 1, 2026, 6:24 PM 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 16, 2015 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional

Ondansetron in Treating Patients With Advanced Cancer and Chronic Nausea and Vomiting Not Caused by Cancer Treatment

NCT00006348
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Nausea and Vomiting, Precancerous Condition, Small Intestine Cancer, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
ondansetron, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2001
U.S. locations
12
States / cities
Scottsdale, Arizona • Urbana, Illinois • Des Moines, Iowa + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

Olanzapine With or Without Fosaprepitant Dimeglumine in Preventing Chemotherapy Induced Nausea and Vomiting in Cancer Patients Receiving Highly Emetogenic Chemotherapy

NCT03578081
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
Palonosetron Hydrochloride, Ondansetron Hydrochloride, Dexamethasone, Fosaprepitant Dimeglumine, Olanzapine, Placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
690 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
565
States / cities
Birmingham, Alabama • Fairbanks, Alaska • Kingman, Arizona + 372 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 4 Interventional Results available

ACL Repair and Multimodal Analgesia

NCT01868425
View directory record Official record
Conditions
Pain
Interventions
multimodal:acetaminophen, gabapentin, ketamine, bupivacaine, placebo pills and injectables
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 55 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

Study of FOND Versus FOND+O for the Prevention of CINV in Hematology Patients Receiving Highly Emetogenic Chemotherapy Regimens

NCT02635984
View directory record Official record
Conditions
Complications of Bone Marrow Transplant, Hematologic Neoplasms
Interventions
Olanzapine, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Oct 1, 2026, 6:24 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Pgp Transporter and CNS Biodistribution of Ondansetron in Healthy Volunteers

NCT03809234
View directory record Official record
Conditions
Neuropathic Pain
Interventions
Ondansetron 8mg with Saline & Tariquidar, Ondansetron 16mg with Saline & Tariquidar
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

Low Dose Oral Methotrexate in Pediatric Crohn's Disease Patients Initiating Anti-Tumor Necrosis Factor (Anti-TNF) Therapy

NCT02772965
View directory record Official record
Conditions
Pediatric Crohn's Disease
Interventions
Methotrexate, Sugar pill (placebo)
Drug · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Up to 20 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
32
States / cities
Birmingham, Alabama • Alto, California • New Haven, Connecticut + 27 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

5HT3 Antagonists to Treat Opioid Withdrawal and to Prevent the Progression of Physical Dependence

NCT01549652
View directory record Official record
Conditions
Opioid Withdrawal, Physical Dependence
Interventions
Ondansetron, Placebo, Morphine, Naloxone 0.4 mg/70 kg, Naloxone 0.8 mg/70 kg
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aprepitant for PONV Prophylaxis in Outpatient Plastic Surgery

NCT00659945
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Aprepitant plus Ondansetron, Ondansetron plus placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 1, 2026, 6:24 PM 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 14, 2025 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Prevention of Intraoperative Nausea and Vomiting During Cesarean Section

NCT01216410
View directory record Official record
Conditions
Cesarean Delivery
Interventions
Metoclopramide, Phenylephrine infusion, Combination Group
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Oct 1, 2026, 6:24 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial of MK-4082 in Healthy Participants (MK-4082-005)

NCT07697625
View directory record Official record
Conditions
Healthy
Interventions
MK-4082, Diltiazem, Rescue medication
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 1, 2026, 6:24 PM 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 May 1, 2017 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 2 Interventional

Post-Operative Nausea And Vomiting Study In Female Patients

NCT00274690
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Nausea and Vomiting, Postoperative
Interventions
GW679769
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
11
States / cities
San Francisco, California • Melbourne, Florida • West Palm Beach, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scheduled Prophylactic Antiemetics for Reduction of Emesis With Doxycycline (SPARED) Trial

NCT02456662
View directory record Official record
Conditions
Drug-induced Nausea and Vomiting
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
319 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 2 Interventional

A Study To Evaluate An NK-1 Antiemetic For The Prevention Of Post Operative Nausea And Vomiting

NCT00108095
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Nausea and Vomiting, Postoperative
Interventions
intravenous ondansetron
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
30
States / cities
Montgomery, Alabama • Phoenix, Arizona • Arcadia, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Oct 1, 2026, 6:24 PM EDT
Not listed 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 11, 2024 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Aprepitant in Preventing Nausea and Vomiting in Patients Who Are Undergoing a Stem Cell Transplant

NCT00248547
View directory record Official record
Conditions
Cancer
Interventions
aprepitant, dexamethasone, ondansetron, placebo
Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

Addition of Ondansetron to Ongoing Antipsychotic Treatment for Schizophrenia

NCT00149734
View directory record Official record
Conditions
Schizophrenia
Interventions
Ondansetron followed by placebo, Placebo followed by Ondansetron
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 1, 2026, 6:24 PM 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 11, 2025 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 2 Interventional Results available

Can Ondansetron Prevent Neonatal Abstinence Syndrome (NAS) in Babies Born to Narcotic-dependent Women

NCT01965704
View directory record Official record
Conditions
Narcotic Addiction, Neonatal Abstinence Syndrome
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
Up to 45 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
8
States / cities
San Francisco, California • San Jose, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Oct 1, 2026, 6:24 PM EDT
Completed Phase 2 Interventional Results available

A Study of TAK-951 to Stop Adults Getting Nausea and Vomiting After Planned Surgery

NCT04557189
View directory record Official record
Conditions
Postoperative Nausea and Vomiting (PONV)
Interventions
TAK-951, Ondansetron, Ondansetron Placebo, TAK-951 Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
7
States / cities
Sheffield, Alabama • Pasadena, California • Tamarac, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Oct 1, 2026, 6:24 PM EDT