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ClinicalTrials.gov public records Last synced Sep 26, 2026, 12:59 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Drug-Drug Interactions Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Screening Herbs for Drug Interactions

NCT00029263
View directory record Official record
Conditions
Healthy
Interventions
herbals
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 26, 2026, 12:59 PM 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 20, 2011 · Synced Sep 26, 2026, 12:59 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study to Learn About How the Study Medicines Called PF-07976016 and PF-06882961 Are Taken Up by the Body, and if Either of Them Change How the Body Processes the Other Medicine in Otherwise Healthy Adults With Overweight or Obesity

NCT06910839
View directory record Official record
Conditions
Overweight, Obesity
Interventions
PF-07976016, PF-06882961
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of AMG 510 on the Pharmacokinetics (PK) of Digoxin in Healthy Participants

NCT05598281
View directory record Official record
Conditions
Healthy Participants
Interventions
AMG 510, Digoxin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Study Between Colchicine and Diltiazem ER

NCT00983372
View directory record Official record
Conditions
Healthy; Adult; Volunteer; Colchicine; Pharmacokinetics; Diltiazem; Cytochrome p450 3A4; P-glycoprotein
Interventions
Colchicine, Diltiazem ER
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 14, 2009 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study Between Simvastatin, Atorvastatin, Rosuvastatin, and GSK2248761 in Healthy Subjects.

NCT01138072
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK2248761, Simvastatin, Atorvastatin, Rosuvastatin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2010 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between EDP-305, Fluconazole and Quinidine in Healthy Volunteers

NCT03610945
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
Fluconazole, Quinidine, EDP-305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of ASC42 With Atorvastatin

NCT05464628
View directory record Official record
Conditions
Healthy
Interventions
Atorvastatin, ASC42
Drug
Lead sponsor
Gannex Pharma Co., Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, PK, ECG Effects, Food Effect, and Drug-drug Interaction (DDI) of Hormonal Contraceptives of PTI-428 in Healthy Female Volunteers

NCT02846142
View directory record Official record
Conditions
Healthy Volunteer
Interventions
PTI-428, Placebo, ethinyl estradiol and levonorgestrel
Drug · Other
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between EDP-305, Intraconazole and Rifampin in Healthy Volunteers

NCT03213145
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
intraconazole, Rifampin, EDP 305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 2 Interventional

A Study of the Safety, Pharmacokinetic Drug Interaction and Efficacy of ETC-1002 and Atorvastatin in Subjects With Hypercholesterolemia

NCT01779453
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
ETC-1002, Placebo, Atorvastatin
Drug
Lead sponsor
Esperion Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Indianapolis, Indiana • Louisville, Kentucky • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 28, 2019 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional

A Phase I Open-Label Study of the Safety, Tolerance, and Pharmacokinetic Interactions of Combination Didanosine and Ribavirin in HIV-Positive Individuals

NCT00000772
View directory record Official record
Conditions
HIV Infections
Interventions
Ribavirin, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1995
U.S. locations
2
States / cities
Boston, Massachusetts • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional

A Drug-Drug Interaction Study of Abiraterone Acetate Plus Prednisone With Dextromethorphan and Theophylline in Patients With Metastatic Castration-Resistant Prostate Cancer

NCT01017939
View directory record Official record
Conditions
Prostate Neoplasms
Interventions
Abiraterone acetate, Prednisone, Dextromethorphan hydrobromide, Theophylline
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
4
States / cities
Beverly Hills, California • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability, and Interactions of ABBV-CLS-616 Oral Tablets in Healthy Adult Participants

NCT06698926
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ABBV-CLS-616, Placebo, Itraconazole
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

GSK1349572 Drug Interaction Study With Protease Inhibitors

NCT00774735
View directory record Official record
Conditions
Healthy Subjects, Infection, Human Immunodeficiency Virus
Interventions
GSK1349572
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2010 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of MGL-3196 With Atorvastatin

NCT02749578
View directory record Official record
Conditions
Healthy
Interventions
Atorvastatin, MGL-3196
Drug
Lead sponsor
Madrigal Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 29, 2016 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

GSK1349572 Drug Interaction Study With Atazanavir/Ritonavir and Atazanavir

NCT00883935
View directory record Official record
Conditions
Healthy Volunteer
Interventions
GSK1349572, Atazanavir 300 mg, Atazanavir 400 mg, Ritonavir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 21, 2009 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study in Healthy Volunteers to Investigate the Effects of Quinidine on the Pharmacokinetics of NKTR-118

NCT01533155
View directory record Official record
Conditions
Drug Induced Constipation
Interventions
Nektar 118, Quinidine, Quinidine placebo, Morphine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A DDI Study to Investigate PK and Safety of Cefiderocol in Combination With Xeruborbactam in Healthy Adult Participants

NCT06547554
View directory record Official record
Conditions
Bacterial Infections
Interventions
Xeruborbactam, Cefiderocol, Xeruborbactam/Cefiderocol, Dextrose 5% in water
Drug
Lead sponsor
Qpex Biopharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Sep 26, 2026, 12:59 PM EDT
Terminated Phase 1 Interventional Results available

Drug-Drug Interaction Study of Vesatolimod in Adults With HIV-1 Who Have Very Low or Undetectable Virus Levels

NCT05458102
View directory record Official record
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1) Infection
Interventions
Vesatolimod, Cobicistat, Voriconazole, Rifabutin
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Long Beach, California • Miami, Florida • West Palm Beach, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction (DDI) Study of ALXN2050 in Healthy Adult Participants

NCT05202145
View directory record Official record
Conditions
Healthy
Interventions
ALXN2050, Cyclosporine, Tacrolimus, MMF
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional

A Study of the Drug-Drug Interaction of RO5503781 and Posaconazole, the Relative Bioavailability of New Formulations of RO5503781 and the Food-Effect on the Pharmacokinetics of RO5503781 in Patients With Solid Tumors

NCT01901172
View directory record Official record
Conditions
Neoplasms
Interventions
RO5503781, posaconazole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Scottsdale, Arizona • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study of Atumelnant in Healthy Participants

NCT07570082
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Atumelnant, Carbamazepine, Midazolam, Digoxin, Metformin
Drug
Lead sponsor
Crinetics Pharmaceuticals Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 26, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of Drug-Drug Interactions of Androxal With Cytochrome P450 Isoenyzmes in Healthy Males

NCT01991327
View directory record Official record
Conditions
Drug-drug Interaction
Interventions
Androxal, Placebo
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 26, 2026, 12:59 PM EDT