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ClinicalTrials.gov public records Last synced Oct 9, 2026, 6:15 AM EDT

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Showing 49–72 of 493 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Drug-Drug Interaction Healthy Volunteers Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets

NCT03100838
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Nifedipine 60 MG Extended Release Oral Tablet, omeprazole/sodium bicarbonate, SmartPill (TM)
Drug · Device
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 16, 2019 · Synced Oct 9, 2026, 6:15 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

VH3739937 Phase 1 Multiple Ascending Dose (MAD) Study in Healthy Volunteers Including Relative Bioavailability (RBA), Optional Food Effect (FE), and Drug-drug Interaction (DDI)

NCT06533280
View directory record Official record
Conditions
HIV Infections
Interventions
Part A, C and D: VH3739937 500 mg, Part A: VH3739937 100 mg, Part A and C: Placebo, Part B: Treatment A, Part B: Treatment B, Part B: Treatment C, Part B: Treatment D, Part B: Treatment E, Part D: Probe cocktail
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2025 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug-Drug Interaction Study Between Fenofibric Acid and Efavirenz

NCT01472380
View directory record Official record
Conditions
Healthy
Interventions
efavirenz, fenofibric acid 105 mg
Drug
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Drug-Drug Interaction Study Between K-877 and CSG452 in Healthy Adult Volunteers

NCT04237597
View directory record Official record
Conditions
Healthy
Interventions
K-877, CSG452
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Interaction Study to Assess the Effect of Repeat Doses of Rifampin on Mirabegron (YM178) in Healthy Volunteers

NCT00776516
View directory record Official record
Conditions
Pharmacokinetics of YM178
Interventions
mirabegron, rifampin
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2013 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of the Effect on Cyclosporine on Ozanimod and Major Active Metabolites

NCT04149678
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Ozanimod, Cyclosporine
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Drug-Drug Interaction of EDP-323 With Midazolam, Caffeine, and Rosuvastatin in Healthy Participants

NCT06917508
View directory record Official record
Conditions
RSV Infection, Drug Drug Interaction
Interventions
EDP-323, Midazolam, Caffeine, Rosuvastatin
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of the Effects of Itraconazole and Rifampin on LOXO-305 in Healthy Participants

NCT05134337
View directory record Official record
Conditions
Healthy Volunteers
Interventions
LOXO-305, Itraconazole, Rifampin
Drug
Lead sponsor
Loxo Oncology, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-235, Itraconazole, Carbamazepine and Quinidine in Healthy Subjects.

NCT05594602
View directory record Official record
Conditions
COVID-19
Interventions
EDP-235, Itraconazole, Carbamazepine, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug-Food Interaction Study Between Colchicine and Grapefruit Juice

NCT00984009
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Colchicine, Grapefruit Juice
Drug · Other
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2011 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study in Healthy Adult Volunteers

NCT02275988
View directory record Official record
Conditions
Healthy
Interventions
K-877, Clarithromycin
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 27, 2014 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Drug-drug Interaction Effect of Omeprazole on the Pharmacokinetics (PK) of AMG 510 in Healthy Participants

NCT05581992
View directory record Official record
Conditions
Healthy Participants
Interventions
AMG 510, Omeprazole
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 2 Interventional

Study of Tranilast Alone or in Combination With Allopurinol in Subjects With Hyperuricemia

NCT01052987
View directory record Official record
Conditions
Gout, Hyperuricemia
Interventions
Tranilast, Allopurinol, Combination - Tranilast and Allopurinol, 400 mg Allopurinol, High dose combination
Drug
Lead sponsor
Nuon Therapeutics, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Honolulu, Hawaii • Evansville, Indiana • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2011 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dimebon (PF-01913539)-Digoxin Drug-Drug Interaction Study In Healthy Subjects

NCT00831506
View directory record Official record
Conditions
Alzheimer Disease, Huntington Disease
Interventions
digoxin, dimebon
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 12, 2009 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug Interaction Study

NCT00646776
View directory record Official record
Conditions
Antivirals/HIV
Interventions
Rifabutin, Rifabutin + Atazanavir + Ritonavir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Isavuconazole and Methadone

NCT01582425
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Methadone, Healthy Volunteers
Interventions
Isavuconazole, Methadone
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug to Drug Interaction Study of KBP-5074 in Healthy Subjects

NCT04606537
View directory record Official record
Conditions
Healthy, Drug Drug Interaction
Interventions
Itraconazole, Rifampin, KBP-5074
Drug
Lead sponsor
KBP Biosciences
Industry
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

An Interaction Study to Assess Drug Levels in Healthy Adult Subjects

NCT00764465
View directory record Official record
Conditions
Healthy
Interventions
Maraviroc, Fosamprenavir, Ritonavir
Drug
Lead sponsor
Garden State Infectious Disease Associates, PA
Other
Eligibility
18 Years to 64 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Voorhees Township, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Cannabidiol and CES1 Interactions in Healthy Subjects

NCT04603391
View directory record Official record
Conditions
Drug Interaction
Interventions
dl-Methylphenidate plus Cannabidiol, dl-Methylphenidate plus Cannabidiol Placebo solution
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug-Drug Interaction Study of Orforglipron (LY3502970) With Quinidine in Healthy Participants

NCT06704763
View directory record Official record
Conditions
Healthy
Interventions
Orforglipron, Midazolam, Quinidine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
21 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food-effect, Drug-Drug Interaction (DDI), and Formulation Bridging Study

NCT03555617
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
TD-1473, Itraconazole
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
19 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Multiple Doses of Isavuconazole and Single Dose of Dextromethorphan in Healthy Adult Subjects

NCT01651325
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Dextromethorphan, Healthy Adult Volunteers
Interventions
Isavuconazole, dextromethorphan
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 23, 2015 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Understanding The Effect Of A Strong CYP3A4 Inducer On Glasdegib Pharmacokinetics

NCT02430545
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Glasdegib, Rifampin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Oct 9, 2026, 6:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Study Between Colchicine and Cyclosporine

NCT00983931
View directory record Official record
Conditions
Pharmacokinetics, Healthy
Interventions
Colchicine, Cyclosporine
Drug
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Oct 15, 2009 · Synced Oct 9, 2026, 6:15 AM EDT