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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of Novel GS-9973 Tablet Formulations to Evaluate the Effect of Acid Reducing Agents, Relative Bioavailability, and Food Effect on GS-9973 Pharmacokinetics

NCT01841489
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia
Interventions
Treatment A, Treatment B, Treatment C, Treatment D, Treatment E, Treatment F, Treatment G, Treatment H, Treatment I, Treatment J
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Sep 14, 2026, 1:29 PM EDT
Active, not recruiting Phase 2 Interventional

I-SPY COVID-19 TRIAL: An Adaptive Platform Trial for Critically Ill Patients

NCT04488081
View directory record Official record
Conditions
COVID-19
Interventions
Remdesivir, Imatinib Mesylate, Dexamethasone, Cenicriviroc, Icatibant, Apremilast, dornase alfa, Celecoxib, Famotidine, IC14, Aviptadil, narsoplimab, Cyproheptadine, Cyclosporine
Drug · Biological
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
36
States / cities
Birmingham, Alabama • Davis, California • Irvine, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Pharmacokinetic Drug-Drug Interactions of Lemborexant When Coadministered With an Oral Contraceptive, Famotidine, or Fluconazole in Healthy Subjects

NCT03451110
View directory record Official record
Conditions
Healthy Subjects
Interventions
lemborexant, Loestrin, famotidine, fluconazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Aerobic Exercise with Blood Flow Restriction on Post-exercise Hypotension in Young Adults: the Role of Histamine Receptors

NCT06629337
View directory record Official record
Conditions
Prehypertension (elevated Blood Pressure) or Hypertension
Interventions
H1 receptor blockade: 540 mg (Allegra), H2 receptor blockade: 40 mg (Pepcid AC)
Genetic
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 14, 2026, 1:29 PM EDT
Recruiting Phase 2 Interventional

Post-Cardiac Surgery Acute Kidney Injury Prevention by Administration of Proton Pump Inhibitor (P2 Trial)

NCT06706258
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Protonix (Pantoprazole) 40 mg q 12 hrs for 3 days, Pepcid (Famotidine) 20 mg q 12 hrs for 3 days
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Results available

A Phase I Study of Oral Ixabepilone in Subjects With Advanced Cancer

NCT00422097
View directory record Official record
Conditions
Cancer
Interventions
Ixabepilone, 5 mg/d, Ixabepilone, 10 mg/d, Ixabepilone, 15 mg/d, Ixabepilone, 20 mg/d, Ixabepilone, 25 mg/d, Ixabepilone, 30 mg/d, Ixabepilone, 25 mg, with famotidine, Ixabepilone, 25 mg, with food
Drug
Lead sponsor
R-Pharm
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 9, 2016 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 4 Interventional Results available

Ulcer Prevention Study in Post Gastric Bypass Patients

NCT00557349
View directory record Official record
Conditions
Marginal Ulcers
Interventions
Omeprazole, Famotidine
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Sep 14, 2026, 1:29 PM EDT
Terminated Phase 1 Interventional Results available

Trial of Famotidine & N-Acetyl Cysteine for Outpatients With COVID-19

NCT04545008
View directory record Official record
Conditions
Covid19
Interventions
Famotidine, N-Acetyl cysteine
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Easley, South Carolina • Greenville, South Carolina • Greer, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 4 Interventional

Drug Interaction Study of Famotidine and Atazanavir With Ritonavir in HIV-Infected Patients

NCT00384904
View directory record Official record
Conditions
HIV Infections
Interventions
Atazanavir/Ritonavir, Atazanavir/Ritonavir + Famotidine, Atazanavir/Ritonavir + Tenofovir Disproxil Fumrarate + Famotidine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
3
States / cities
Voorhees Township, New Jersey • Chapel Hill, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2010 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effects of Famotidine or Rabeprazole on the PK of Nirogacestat

NCT07171619
View directory record Official record
Conditions
Healthy
Interventions
Nirogacestat, Nirogacestat and Famotidine, Nirogacestat and Rabeprazole
Drug
Lead sponsor
SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 14, 2026, 1:29 PM EDT
Terminated Phase 2 Interventional Results available

Elotuzumab in Immunoglobulin G4-Related Disease (IgG4-RD)

NCT04918147
View directory record Official record
Conditions
IgG4 Related Disease, IgG4-RD
Interventions
elotuzumab, placebo for elotuzumab, methylprednisolone, diphenhydramine, acetaminophen, famotidine, prednisone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Safety Study of Cenicriviroc and Acid Reducing Agents When Dosed Alone or in Combination

NCT02684799
View directory record Official record
Conditions
Healthy
Interventions
Cenicriviroc, Omeprazole, Famotidine
Drug
Lead sponsor
Tobira Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study Evaluating Relative Bioavailability of an Oral Suspension of Abrocitinib and Effect of an Acid Reducing Agent on the Bioavailability of Abrocitinib and Assessing the Taste of Abrocitinib Oral Formulations.

NCT04903093
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Abrocitinib tablet, Abrocitinib Suspension F1, Abrocitinib Suspension F2, Abrocitinib Suspension F3, Abrocitinib Suspension F4, Abrocitinib Suspension F5, Abrocitinib Suspension F6, Famotidine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Sep 14, 2026, 1:29 PM EDT
Terminated Phase 2 Interventional Results available

Antihistamines in Eosinophilic Esophagitis

NCT04248712
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Famotidine, Loratadine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 2 Interventional Results available

Prevention of Post-Cardiac Surgery Acute Kidney Injury by Proton Pump Inhibitor

NCT06154226
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Pantoprazole, Famotidine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Explore the Effect of Acid-reducing Agents

NCT04935112
View directory record Official record
Conditions
Healthy Adults
Interventions
Sitravatinib, Pantoprazole, Famotidine
Drug
Lead sponsor
Mirati Therapeutics Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study With Famotidine, Atazanavir, and Atazanavir/Ritonavir/Tenofovir

NCT00365339
View directory record Official record
Conditions
HIV Infections
Interventions
Atazanavir+Ritonavir+Tenofovir, Atazanavir+Ritonavir+Tenofovir+Famotidine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 7, 2011 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional

Study of XL281 in Adults With Solid Tumors

NCT00451880
View directory record Official record
Conditions
Cancer, Non-small-cell Lung Cancer, Colorectal Cancer, Papillary Thyroid Cancer, Melanoma
Interventions
XL281, famotidine
Drug
Lead sponsor
Exelixis
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
6
States / cities
Scottsdale, Arizona • Tampa, Florida • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2011 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 2 Interventional Results available

Histamine Glutamate Antagonism in Stroke

NCT02142712
View directory record Official record
Conditions
Acute Cerebrovascular Accident, Cerebral Edema
Interventions
Diphenhydramine, Pantoprazole, Famotidine, Dextromethorphan
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Sep 14, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Evaluate the Effects of Omeprazole and Famotidine on the Absorption of Telotristat Ethyl in Healthy Subjects

NCT03302845
View directory record Official record
Conditions
Drug-drug Interaction
Interventions
Omeprazole 40 MG, Famotidine 40 mg, Telotristat ethyl 250 mg
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Sep 14, 2026, 1:29 PM EDT
Active, not recruiting Phase 1 Interventional Results available

Moxetumomab Pasudotox-tdfk (Lumoxiti(TM)) and Either Rituximab (Rituxan(R)) or Ruxience for Relapsed Hairy Cell Leukemia

NCT03805932
View directory record Official record
Conditions
Hairy Cell Leukemia
Interventions
Moxetumomab Pasudotox-tdfk, Rituximab, Ruxience, Dexamethasone, Acetaminophen, Diphenhydramine, Famotidine, Aspirin
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 14, 2026, 1:29 PM EDT