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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 3 Interventional

Antihistamines in the Treatment of Irritable Bowel Syndrome With Diarrhea

NCT04612803
View directory record Official record
Conditions
Irritable Bowel Syndrome, Dermatographism, Post-prandial Diarrhea
Interventions
Antihistamine, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Multiple Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of BMS-986263 in Healthy Participants

NCT03142165
View directory record Official record
Conditions
Fibrosis
Interventions
BMS-986263, Placebo, Diphenhydramine, Famotidine
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 3 Interventional

Multi-site Adaptive Trials for COVID-19

NCT04370262
View directory record Official record
Conditions
COVID-19
Interventions
SOC + Intravenous Famotidine, SOC + Placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Bay Shore, New York • Manhasset, New York • Mount Kisco, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Sep 10, 2026, 2:18 PM EDT
Terminated Phase 3 Interventional Results available

Treatment of Long CoronaVirus Disease (COVID) (TLC) Feasibility Trial

NCT05946551
View directory record Official record
Conditions
COVID-19
Interventions
Cetirizine, Famotidine, Cetirizine Placebo, Famotidine Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 10, 2026, 2:18 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 10, 2026, 2:18 PM EDT
Completed Phase 2 Interventional Results available

Repurposing a Histamine Antagonist to Benefit Patients With Pulmonary Hypertension

NCT03554291
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Right Heart Failure
Interventions
Famotidine 20 MG, Placebo
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 10, 2026, 2:18 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety, Tolerability, and Pharmacokinetics of UX053 in Patients With Glycogen Storage Disease Type III (GSD III)

NCT04990388
View directory record Official record
Conditions
Glycogen Storage Disease Type III
Interventions
UX053, Placebo, Antipyretic, H2 Blocker, H1 Blocker
Biological · Other · Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Orange, California • Atlanta, Georgia • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Assessing the Drug Levels, Drug Effects, and Safety of BMS-986322 in Healthy Participants

NCT04175925
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986322, BMS-986322 Placebo, famotidine
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 60 Years
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 10, 2026, 2:18 PM EDT
Withdrawn Not applicable Interventional

In Infants With Laryngomalacia, Does Acid-Blocking Medication Improve Respiratory Symptoms?

NCT02700087
View directory record Official record
Conditions
Laryngomalacia, Acid Reflux, Stridor
Interventions
ranitidine or famotidine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
Up to 4 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 10, 2026, 2:18 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Evaluate BMS-986470 in Healthy Volunteers and Participants With Sickle Cell Disease

NCT06481306
View directory record Official record
Conditions
Anemia, Sickle Cell, Healthy Volunteers
Interventions
BMS-986470, Placebo, Famotidine, Pantoprazole
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
19
States / cities
Birmingham, Alabama • La Jolla, California • Oakland, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 2 Interventional

LEAP-CT for Treatment of COVID-19 Patients (Master Protocol)

NCT05077332
View directory record Official record
Conditions
2019 Novel Coronavirus Disease, 2019 Novel Coronavirus Infection, 2019-nCoV Disease, 2019-nCoV Infection, COVID-19 Pandemic, COVID-19 Virus Disease, COVID-19 Virus Infection, Covid19, Coronavirus Disease 2019, SARS-CoV-2 Infection, SARS-CoV-2 Acute Respiratory Disease, COVID-19
Interventions
Famotidine, Celecoxib, Placebo
Drug · Other
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 10, 2026, 2:18 PM EDT
Withdrawn Phase 4 Interventional

Cetirizine and Famotidine for COVID-19

NCT04836806
View directory record Official record
Conditions
Covid19
Interventions
Cetirizine and Famotidine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 2 Interventional Results available

Famotidine vs Placebo for the Treatment of Non-Hospitalized Adults With COVID-19

NCT04724720
View directory record Official record
Conditions
Covid-19
Interventions
Famotidine, Placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 10, 2026, 2:18 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Determinants of Changes in Arterial Load Following Exercise

NCT05820243
View directory record Official record
Conditions
Post-Exercise Hypotension
Interventions
Moderate Intensity Aerobic Exercise
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 10, 2026, 2:18 PM EDT
Recruiting Phase 3 Interventional

Novel Strategies for Reducing Burn Scar Itch

NCT06801626
View directory record Official record
Conditions
Burn Scar, Itch Scarring, Wound
Interventions
Famotidine and 4% topical cromolyn sodium, Placebo
Combination Product · Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 4 Interventional

Stress Ulcer Prophylaxis Versus Placebo in Critically Ill Infants With Congenital Heart Disease

NCT03667703
View directory record Official record
Conditions
Congenital Heart Disease, Upper Gastrointestinal Bleeding, Stress Ulcer, Infection
Interventions
Famotidine, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Minute to 12 Months
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single and Multiple Ascending Doses, Relative Bioavailability, Food Effect, and Drug-Drug Interaction Study of NX-5948 in Healthy Volunteers

NCT06717269
View directory record Official record
Conditions
Healthy Volunteer
Interventions
NX-5948, Esomeprazole, Placebo, Famotidine, Midazolam, Digoxin, Rosuvastatin, Quinidine
Drug
Lead sponsor
Nurix Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Phoenix, Arizona • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 10, 2026, 2:18 PM EDT
Terminated Phase 2 Interventional Results available

Leidos-Enabled Adaptive Protocol (LEAP-CT) for Evaluation of Post-exposure Prophylaxis for Newly-infected COVID-19 Patients

NCT05077969
View directory record Official record
Conditions
2019 Novel Coronavirus Disease, 2019 Novel Coronavirus Infection, 2019-nCoV Disease, 2019-nCoV Infection, COVID-19, COVID-19 Pandemic, COVID-19 Virus Disease, COVID-19 Virus Infection, Covid19, Coronavirus Disease 2019, SARS-CoV2 Infection, SARS-CoV-2 Acute Respiratory Disease
Interventions
Famotidine, Celecoxib, Placebo
Drug
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Newport Beach, California • Miami, Florida • Atlanta, Georgia + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Sep 10, 2026, 2:18 PM EDT
Terminated Phase 2 Interventional

An Outpatient Study Investigating Non-prescription Treatments for COVID-19

NCT04621149
View directory record Official record
Conditions
COVID-19
Interventions
chlorine dioxide, zinc acetate, Famotidine, placebo, lactoferrin, green tea extract
Other · Dietary Supplement · Drug
Lead sponsor
Profact, Inc.
Other
Eligibility
20 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Sep 10, 2026, 2:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized, Double Blind Placebo-Controlled, Single Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of BMS-986166 in Healthy Subjects

NCT02790125
View directory record Official record
Conditions
Healthy
Interventions
BMS-986166, Placebo matching BMS-986166
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 10, 2026, 2:18 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability, Drug Levels, Food, Formulation, and pH Effects on Relative Absorption of BMS-986465 and Its Active Derivative BMS-986464 in Healthy Participants

NCT06144697
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986465, Placebo, Pegasys, Famotidine
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Anaheim, California • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Sep 10, 2026, 2:18 PM EDT
Withdrawn Phase 4 Interventional

Remotely-conducted Trial of Famotidine vs Placebo for Patients at Home With Coronavirus (COVID) of 2019 (COVID-19)

NCT04565392
View directory record Official record
Conditions
Covid19
Interventions
Famotidine 20 milligram tablet
Drug
Lead sponsor
drpykessupplements.com
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Fairfield, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Sep 10, 2026, 2:18 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Single and Multiple Dose Study to Evaluate Safety and Pharmacokinetics of BMS-986533 in Healthy Participants and Assessments of Food and pH Effects on Relative Bioavailability, and Drug-Drug Interaction Potential in Healthy Participants

NCT07629999
View directory record Official record
Conditions
Healthy Volunteers
Interventions
BMS-986533, Famotidine, Placebo, Dabigatran Etexilate, Rosuvastatin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 10, 2026, 2:18 PM EDT
Recruiting Phase 2 Interventional

A Study to Prevent Infantile Spasms Relapse

NCT06819670
View directory record Official record
Conditions
Infantile Spasms, Infantile Epileptic Spasms Syndrome, West Syndrome
Interventions
Prednisolone, Famotidine, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Months to 18 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Sep 10, 2026, 2:18 PM EDT