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Showing 1–24 of 890 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Drug-drug Interaction Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction - Oral Contraceptive

NCT00399685
View directory record Official record
Conditions
HIV Infections
Interventions
Ortho Tri-Cyclen LO, Ortho Cyclen, Ortho Cyclen + Efavirenz
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
San Diego, California • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Examine the Effects of Entinostat on Midazolam in Healthy Adult Subjects

NCT03187015
View directory record Official record
Conditions
Drug Interaction, Healthy Volunteer
Interventions
Entinostat, Midazolam
Drug
Lead sponsor
Syndax Pharmaceuticals
Industry
Eligibility
19 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

DDI Study With Multiple-dose LX4211 and Single Dose Digoxin

NCT02300350
View directory record Official record
Conditions
Healthy
Interventions
Treatment A digoxin, Treatment B LX4211, Treatment C Digoxin + 400 mg LX4211 administered concomitantly
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin

NCT00395421
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
NM283 plus Peg-IFNα-2a
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Timeline
2006 – 2008
U.S. locations
2
States / cities
Atlanta, Georgia • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VNRX-5133 Drug-Drug Interaction in Healthy Adult Volunteers

NCT03332732
View directory record Official record
Conditions
Bacterial Infections
Interventions
VNRX-5133, VNRX-5022, Metronidazole, Placebo
Drug
Lead sponsor
Venatorx Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study of Omeprazole and PA21

NCT01452906
View directory record Official record
Conditions
Healthy
Interventions
PA21 and Omeprazole with food, No PA21; Omeprazole with food, PA21 with food, Omeprazole 2hrs later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2011 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate Taste and Relative Bioavailability of Two Microsphere Formulations of Crizotinib in Healthy Participants

NCT03978143
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Treatment A, Treatment B, Treatment C, Treatment D, Treatment E, Treatment F, Treatment G, Treatment H
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Healthy Living as You Age

NCT00379093
View directory record Official record
Conditions
Alcohol Related Disorders, Alcohol Drug Interactions
Interventions
Brief advice
Behavioral
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
55 Years and older
Enrollment
631 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2009 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

Study in End-stage Renal Disease Patients Awaiting Kidney Transplant to Investigate the Potential Effect of IVIG Treatment on the Pharmacokinetics and Pharmacodynamics of LFG316

NCT02878616
View directory record Official record
Conditions
Kidney Transplantation
Interventions
LFG316, IVIG
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Between Rifampin and Fluvastatin

NCT04029584
View directory record Official record
Conditions
Drug-drug Interaction
Interventions
rifampin IV, Rifadin 300Mg Capsule, Fluvastatin 20 MG
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2021 · Synced Jun 26, 2026, 10:13 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 14, 2009 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

The Safety and Effectiveness of Interleukin-2 Plus Zidovudine in Patients With AIDS or AIDS Related Complex

NCT00000986
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine, Aldesleukin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

Drug Interaction Study Between Inhaled Beclomethasone and Protease Inhibitors in Healthy Volunteers

NCT00936793
View directory record Official record
Conditions
HIV, Asthma
Interventions
Darunavir, Ritonavir, Beclomethasone Dipropionate HFA
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 60 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Evaluating Effects of ASP015K on Rosuvastatin

NCT01959399
View directory record Official record
Conditions
Healthy Subjects, Pharmacokinetics of ASP015K
Interventions
ASP015K, Rosuvastatin
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2013 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Study to Evaluate the Effect of LDE225 on the Pharmacokinetics of Bupropion and Warfarin in Patients

NCT01769768
View directory record Official record
Conditions
Advanced Solid Tumor
Interventions
LDE225, Wafarin, Bupropion
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
13
States / cities
Duarte, California • Kansas City, Kansas • Boston, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study Evaluating the Effects of DVS SR and Paroxetine on the Pharmacokinetics of Desipramine in Healthy Subjects

NCT00329147
View directory record Official record
Conditions
Depression
Interventions
desvenlafaxine SR, desipramine, paroxetine
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 6, 2007 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction (DDI) Rifabutin

NCT02138084
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Rifabutin, Ritonavir
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study of the Effect of Rabeprazole, Itraconazole or Fluconazole on the Pharmacokinetics of Vismodegib

NCT01772290
View directory record Official record
Conditions
Healthy Volunteer
Interventions
fluconazole, itraconazole, rabeprazole, vismodegib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
2
States / cities
Daytona Beach, Florida • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Jun 26, 2026, 10:13 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetics of an Oral Contraceptive When Co-administered With GSK2248761 in Healthy Adult Female Subjects.

NCT01195974
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus, HIV Infections
Interventions
YASMIN, GSK2248761, Placebo
Drug · Other
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 19, 2019 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Effects of Ketoconazole Taken Orally Has on the PK Profiles of a Dose of GSK189075 in Healthy Volunteers

NCT00501397
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
ketoconazole, GSK189075
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2012 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Drug Interaction Study of Rifampin and Warfarin in Healthy Volunteers.

NCT00777855
View directory record Official record
Conditions
Healthy
Interventions
warfarin plus rifampin, warfarin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

AV650 Drug-Drug Interaction Study

NCT00456560
View directory record Official record
Conditions
Healthy
Interventions
AV650, Fluvoxamine, Paroxetine
Drug
Lead sponsor
Avigen
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2007 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Amoxicillin Drug Interaction Study With MMX® Mesalazine/Mesalamine

NCT01442688
View directory record Official record
Conditions
Healthy
Interventions
Amoxicillin + MMX placebo, Amoxicillin + MMX mesalazine/mesalamine
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Jun 26, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

The Pharmacokinetics of Zidovudine and Oxazepam Alone and in Combination in the HIV-Infected Patient

NCT00000661
View directory record Official record
Conditions
HIV Infections
Interventions
Oxazepam, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2008 · Synced Jun 26, 2026, 10:13 AM EDT