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Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Drug Drug Interaction (DDI) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

DDI HV (ATV - Merck)

NCT00518297
View directory record Official record
Conditions
HIV Infections
Interventions
Raltegravir, Atazanavir, Atazanavir + Raltegravir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 3, 2010 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study Between BMS-663068 and Oral Contraceptives in Healthy Female Volunteers (DDI)

NCT02480881
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Oral Contraceptive, Loestrin 1.5/30
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

Open Label, Drug-Drug Interaction (DDI) Study of Dupilumab (REGN668/SAR231893) in Patients With Moderate to Severe Atopic Dermatitis (AD)

NCT02647086
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Dupilumab, Midazolam, Omeprazole, Warfarin, Caffeine, Metoprolol
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Little Rock, Arkansas • Centennial, Colorado • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2016 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Results available

Brodalumab Drug-Drug Interaction (DDI) and Intensive Pharmacodynamic (PK) Study in Psoriasis Subjects

NCT01937260
View directory record Official record
Conditions
Psoriasis
Interventions
Brodalumab
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
5
States / cities
Anaheim, California • Irvine, California • Ocala, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects

NCT00741468
View directory record Official record
Conditions
Drug Interactions
Interventions
Proellex, CYP1A2 probe, CYP2C9 probe, CYP2C19 probe, CYP2D6 probe, CYP3A4 probe
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

A Phase I Pharmacokinetic Study in HIV-Positive Subjects of Oral Ganciclovir and Concomitant Antiretroviral Zidovudine and Didanosine

NCT00002096
View directory record Official record
Conditions
Cytomegalovirus Infections, HIV Infections
Interventions
Zidovudine, Didanosine, Ganciclovir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
Irvine, California • Washington D.C., District of Columbia • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug Drug Interaction (DDI) Study of Pirtobrutinib (LOXO-305) and Different Formulations of Midazolam in Healthy Participants

NCT06180967
View directory record Official record
Conditions
Healthy
Interventions
Midazolam Syrup, Midazolam Solution, Pirtobrutinib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Results available

Effect of Pexidartinib on the Way the Body Processes CYP3A4 and CYP2C9 Substrates (Pharmacokinetics)

NCT03291288
View directory record Official record
Conditions
Drug Interaction Potential
Interventions
Tolbutamide, Midazolam, Pexidartinib
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
8
States / cities
Scottsdale, Arizona • Tucson, Arizona • Palo Alto, California + 5 more
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

DDI Study of Etravirine and GSK1265744

NCT00920296
View directory record Official record
Conditions
Healthy Subjects, Infection, Human Immunodeficiency Virus
Interventions
GSK1265744
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 30, 2010 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study To Investigate The Potential Effect Of Proton Pump Inhibitor On The Pharmacokinetics Of Palbociclib (PD-0332991)

NCT01918176
View directory record Official record
Conditions
Healthy
Interventions
Palbociclib alone, Palbociclib + Rabeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Jun 11, 2026, 4:23 AM 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 Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

Midazolam Drug-Drug Interaction Study With Lurasidone HCl

NCT01082263
View directory record Official record
Conditions
Schizophrenia Patients
Interventions
Lurasidone HCl
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2011 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug Drug Interaction (DDI) Study of Selpercatinib and Dabigatran in Healthy Participants

NCT04782076
View directory record Official record
Conditions
Healthy
Interventions
Dabigatran, Selpercatinib
Drug
Lead sponsor
Loxo Oncology, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Rifampin Drug-Drug Interaction Study With Lurasidone HCl

NCT01082276
View directory record Official record
Conditions
Male, Healthy Normal Subjects
Interventions
Lurasidone HCl
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 7, 2011 · Synced Jun 11, 2026, 4:23 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 21, 2025 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

DDI Study of ASC41 in HV and the PK, Safety and Tolerability in Subjects With NAFLD.

NCT04845646
View directory record Official record
Conditions
Healthy, NAFLD
Interventions
ASC41, Itraconazole, Phenytoin
Drug
Lead sponsor
Gannex Pharma Co., Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

A Study of Chemotherapy Plus ddI or ddC in the Treatment of AIDS-Related Kaposi's Sarcoma

NCT00000954
View directory record Official record
Conditions
Sarcoma, Kaposi, HIV Infections
Interventions
Bleomycin sulfate, Vincristine sulfate, Doxorubicin hydrochloride, Zalcitabine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dexpramipexole and Warfarin Drug Drug Interaction (DDI) Study

NCT01597310
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Warfarin, Dexpramipexole
Drug
Lead sponsor
Knopp Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study to Evaluate the Effects of Itraconazole, Carbamazepine, Quinidine and Fluconazole on the Pharmacokinetics and Safety of EDP-323.

NCT06847464
View directory record Official record
Conditions
RSV Infection, Drug Drug Interaction (DDI)
Interventions
EDP-323, Itraconazole, carbamazepine, Quinidine, fluconazole
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

Lithium Drug-Drug Interaction Study With Lurasidone HCl

NCT01074073
View directory record Official record
Conditions
Schizophrenia
Interventions
Lurasidone HCl
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2011 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug Drug Interaction (DDI) Study of Pirtobrutinib (LY3527727) and Rosuvastatin in Healthy Participants

NCT05176314
View directory record Official record
Conditions
Healthy
Interventions
Rosuvastatin, Pirtobrutinib
Drug
Lead sponsor
Loxo Oncology, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Springfield, Missouri • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional

A Study Evaluating Potential Disease-Mediated Drug-Drug Interaction in Adult Participants With Active Eosinophilic Esophagitis Receiving Cendakimab

NCT05175352
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Cendakimab, CYP substrates
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Pharmacokinetics of a Combined Oral Contraceptive (COC) With and Without Obicetrapib

NCT06250205
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Obicetrapib, Obicetrapib + Drospirenone / Ethinyl Estradiol (COC), Drospirenone / Ethinyl Estradiol (COC)
Drug
Lead sponsor
NewAmsterdam Pharma
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study to Investigate the Effect of Coadministration of EDP-305 on the PK of a Combined Oral Contraceptive in Healthy Female Subjects

NCT03783897
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
EDP-305, Oral Contraceptive
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Jun 11, 2026, 4:23 AM EDT