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Showing 1–24 of 216 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ondansetron Hydrochloride Clear all
Completed Early Phase 1 Interventional

Value of Ondansetron Medication vs Inhaled Isopropyl Therapy in the Emergency Department (VOMIITED)

NCT03125811
View directory record Official record
Conditions
Nausea, Vomiting
Interventions
Inhaled Isopropyl Alcohol (IPA), Oral Dissolvable Tablet Zofran (ondansetron)
Other · Drug
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 65 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Acupuncture Point P6 Stimulation for Reduction of Nausea and Vomiting During Cesarean

NCT02959840
View directory record Official record
Conditions
Nausea, Vomiting, Satisfaction
Interventions
Acupressure Point P6 stimulator, Metoclopramide, Ondansetron
Device · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Postoperative Nausea and Vomiting (PONV) in Surgical Patients

NCT00757822
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Dronabinol, Ondansetron
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 2 Interventional

Effectiveness of Aprepitant in Addition to Ondansetron in the Prevention of Nausea and Vomiting Caused by Upper Abdominal Radiotherapy

NCT00970905
View directory record Official record
Conditions
Nausea, Vomiting
Interventions
aprepitant, Ondansetron
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
3
States / cities
Scottsdale, Arizona • Winston-Salem, North Carolina • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 23, 2026, 10:27 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Pain Management After Shoulder Arthroplasty

NCT04872270
View directory record Official record
Conditions
Caffeine, Pain, Joint
Interventions
Total Shoulder Arthroplasty, Caffeine Pill, Percocet 10Mg-325Mg Tablet, Zofran 4Mg Tablet
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
55 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 4 Interventional

Examining the Effect of Ondansetron on Bowel Prep Success

NCT05439772
View directory record Official record
Conditions
Abdominal Pain, Inflammatory Bowel Diseases, Eosinophilic Gastroenteritis, Diarrhea, Hematochezia, Weight Loss
Interventions
Ondansetron
Drug
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
2 Years to 20 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 2 Interventional Results available

Prospective Randomized Study of Cell Transfer Therapy for Metastatic Melanoma Using Tumor Infiltrating Lymphocytes Plus IL-2 Following Non-Myeloablative Lymphocyte Depleting Chemo Regimen Alone or in Conjunction With 12Gy Total Body Irradiation (TBI...

NCT01319565
View directory record Official record
Conditions
Metastatic Melanoma, Skin Cancer
Interventions
Aldesleukin, Cyclophosphamide, Fludarabine, Young TIL, Total Body Irradiation (TBI)
Drug · Biological · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 66 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Not applicable Interventional Results available

Emergency Department (ED) Drug Interaction in Emergency Department Patients

NCT01859715
View directory record Official record
Conditions
Drug Interactions
Interventions
Oxycodone, Hydrocodone, Ondansetron
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 95 Years
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 23, 2026, 10:27 PM 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 Sep 23, 2026, 10:27 PM 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 Sep 23, 2026, 10:27 PM EDT
Completed Not applicable Interventional Results available

Aprepitant's Effect on Drug Metabolism in Multi-Day Combination (CHOP/R-CHOP) Chemotherapy Regimen in Lymphoma Patients

NCT00651755
View directory record Official record
Conditions
Lymphoma
Interventions
Aprepitant, Cyclophosphamide, Doxorubicin, Vincristine, Prednisone, Rituximab, Ondansetron
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Sep 23, 2026, 10:27 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 6, 2022 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 2 Interventional Results available

Palonosetron, Ondansetron, and Dexamethasone for Delayed Nausea and Vomiting in Autologous Transplant Patients

NCT01370408
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
Palonosetron, ondansetron, Dexamethasone
Drug
Lead sponsor
Northside Hospital, Inc.
Other
Eligibility
18 Years to 85 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 23, 2026, 10:27 PM 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 Sep 23, 2026, 10:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Combination Antiemetic Regimen for Prevention of PONV in Breast Surgery Patients

NCT00738621
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Aprepitant, Dexamethasone, Ondansetron, Aprepitant, Dexamethasone, Placebo
Drug
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

PLX038 (PEGylated SN38) and Rucaparib in Solid Tumors and Small Cell Cancers

NCT04209595
View directory record Official record
Conditions
Small Cell Lung Cancer, Extra-Pulmonary Small Cell Carcinomas
Interventions
PLX038, Rucaparib, Ondansetron
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 23, 2026, 10:27 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Study to Assess Safety and Tolerability of KarXT With Administration of Antiemetics in Healthy Volunteers

NCT07681076
View directory record Official record
Conditions
Healthy Volunteers
Interventions
KarXT, Trimethobenzamide, Ondansetron, Meclizine
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
18 Years to 65 Years
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
4
States / cities
Los Alamitos, California • Hollywood, Florida • Atlanta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 23, 2026, 10:27 PM EDT
Recruiting Phase 3 Interventional

Olanzapine 2.5 vs 5 mg in Quadruplet Nausea/Vomiting Prophylaxis Before High-Dose Melphalan

NCT06588413
View directory record Official record
Conditions
Multiple Myeloma, Autologous Stem Cell Transplantation
Interventions
Olanzapine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 2 Interventional

Study Of An NK-1 Anti-Emetic Medication For The Prevention Of Post-Operative Nausea And Vomiting In Female Patients

NCT00600990
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Nausea and Vomiting, Postoperative
Interventions
GW597599
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
17
States / cities
Little Rock, Arkansas • Glendale, California • Laguna Hills, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Sep 23, 2026, 10:27 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Prophylactic Analgesic and Antiemetic Regimen for Medical Abortion < 70 Days

NCT05819619
View directory record Official record
Conditions
Nausea, Pain
Interventions
Prophylactic use of ibuprofen and ondansetron post misoprostol administration, Use of ibuprofen and ondansetron at symptom onset post misoprostol administration
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Nivolumab and 177Lu-DOTA0-Tyr3-Octreotate for Patients With Extensive-Stage Small Cell Lung Cancer

NCT03325816
View directory record Official record
Conditions
Small Cell Lung Cancer, Small Cell Lung Cancer Extensive Stage
Interventions
Nivolumab, 177Lu-DOTA0-Tyr3-Octreotate
Drug · Radiation
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Ondansetron HCl Orally Disintegrating Tablets Under Non-Fasting Conditions

NCT00934921
View directory record Official record
Conditions
Healthy
Interventions
Ondansetron, Zofran®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Sep 23, 2026, 10:27 PM EDT
Withdrawn Not applicable Interventional

Mag Con: Efficacy of Oral Mag. in Acute Concussion in Adolescents

NCT05065528
View directory record Official record
Conditions
Concussion, Mild, Traumatic Brain Injury, Mild
Interventions
Magnesium, Placebo
Dietary Supplement · Drug
Lead sponsor
Corewell Health South
Other
Eligibility
12 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Saint Joseph, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 23, 2026, 10:27 PM EDT
Completed Not applicable Interventional

Patient Education in Preventing Nausea and Vomiting in Cancer Patients Receiving Chemotherapy

NCT00005994
View directory record Official record
Conditions
Nausea and Vomiting, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
ondansetron
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2001
U.S. locations
4
States / cities
Hackensack, New Jersey • Rochester, New York • Syracuse, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 23, 2026, 10:27 PM EDT