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ClinicalTrials.gov public records Last synced Oct 10, 2026, 7:27 PM EDT

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Showing 49–71 of 71 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: DDI (Drug-Drug Interaction) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

DDI Study With Multiple-dose LX4211 and Single Dose Rosuvastatin

NCT02300363
View directory record Official record
Conditions
Healthy
Interventions
Treatment A (rosuvastatin), Treatment B (LX4211), Treatment C (rosuvastatin + 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
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 9, 2015 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dexpramipexole and Cimetidine Drug Drug Interaction (DDI)

NCT01536249
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Dexpramipexole, Cimetidine plus Dexpramipexole
Drug
Lead sponsor
Knopp Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2014 · Synced Oct 10, 2026, 7:27 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and PK of Ceftibuten-ledaborbactam Etzadroxil Fixed-dose Combination

NCT06733675
View directory record Official record
Conditions
Healthy Volunteer, Pharmacokinetics, Safety, Drug-Drug Interaction (DDI), FDC
Interventions
Ledaborbactam etzadroxil, Ceftibuten, Ceftibuten-ledaborbactam etzadroxil, Esomeprazole, amoxicillin-clavulanate
Drug
Lead sponsor
Basilea Pharmaceutica
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug Drug Interaction (DDI) Study of Selpercatinib (LY3527723) and Rosuvastatin in Healthy Participants

NCT05906836
View directory record Official record
Conditions
Healthy
Interventions
Rosuvastatin, Selpercatinib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Open Label PK, PD and DDI of Dotinurad and Allopurinol in Gout Patients With Hyperuricemia

NCT06056570
View directory record Official record
Conditions
Gout, Hyperuricemia
Interventions
dotinurad, dotinurad + allopurinol, allopurinol
Drug
Lead sponsor
Urica Therapeutics Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
4
States / cities
Clearwater, Florida • Miami Lakes, Florida • Mesquite, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-drug Interaction (DDI) Study of GSK3640254 With Darunavir/Ritonavir (DRV/RTV) and Etravirine (ETR)

NCT04630002
View directory record Official record
Conditions
HIV Infections
Interventions
GSK3640254, Darunavir/Ritonavir (DRV/RTV), Etravirine (ETR)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Determine If Coadministration Of Tamoxifen Alters The Extent Or Rate Of Palbociclib (PD-0332991) Absorption Or Elimination In Healthy Male Volunteers

NCT01821066
View directory record Official record
Conditions
Healthy
Interventions
PD-0332991 alone, Tamoxifen 60 mg, Tamoxifen 20 mg, PD-0332991 combination
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction (DDI) w/Ketoconazole or Fluconazole

NCT00860275
View directory record Official record
Conditions
Alzheimer Disease
Interventions
BMS-708163, BMS-708163 + Ketoconazole, Ketoconazole, Fluconazole, BMS-708163 + Fluconazole
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About How the Study Medicines Called Itraconazole and Probenecid Change How the Body Processes PF-07220060

NCT07160738
View directory record Official record
Conditions
Healthy Adults
Interventions
PF-07220060, Itraconazole, Probenecid
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 10, 2026, 7:27 PM 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 24, 2025 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional

The Safety and Effectiveness of Clarithromycin Plus Zidovudine or Dideoxyinosine in the Treatment of Mycobacterium Avium Complex (MAC) Infections in Children With AIDS

NCT00000971
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Clarithromycin, Zidovudine, Didanosine
Drug
Lead sponsor
Abbott
Industry
Eligibility
3 Months to 18 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Los Angeles, California • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 4, 2008 · Synced Oct 10, 2026, 7:27 PM 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 27, 2024 · Synced Oct 10, 2026, 7:27 PM 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 29, 2021 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study To Investigate The Potential Drug Drug Interaction (DDI) Between PF-00299804 And Paroxetine In Healthy Subjects

NCT01318031
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Period 1, Period 2
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 22, 2012 · Synced Oct 10, 2026, 7:27 PM 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 19, 2024 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional

A DDI Study to Assess the Effect of INC280 on the PK of Midazolam and Caffeine in Patients With cMET-dysregulated Advanced Solid Tumors

NCT02520752
View directory record Official record
Conditions
cMET-dysregulated Advanced Solid Tumors
Interventions
INC280, Midazolam, Caffeine
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Atlanta, Georgia • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 2 Interventional

Antiviral Activity of and Resistance to Lamivudine in Combination With Zidovudine, Stavudine, or Didanosine

NCT00000838
View directory record Official record
Conditions
HIV Infections
Interventions
Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
31
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 21 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Effects of ITCA 650 on Gastric Emptying and Interaction of ITCA 650 on 4 Commonly Studied Drugs

NCT02641899
View directory record Official record
Conditions
Healthy
Interventions
ITCA 650 20/60 mcg/day, Acetaminophen, Atorvastatin, Lisinopril, Warfarin, Digoxin
Drug
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2017 · Synced Oct 10, 2026, 7:27 PM 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 Jul 1, 2025 · Synced Oct 10, 2026, 7:27 PM EDT
Recruiting Phase 4 Interventional

Olutasidenib DDI Study in Patients With IDH1 Mutation Positive Malignancies

NCT07486713
View directory record Official record
Conditions
AML (Acute Myeloid Leukemia), Glioma, Cholangiocarcinoma, Solid Tumor Malignancies
Interventions
Olutasidenib, CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP3A4, and OATP1B1 Probe Substrates
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Orange, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 10, 2026, 7:27 PM 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 19, 2024 · Synced Oct 10, 2026, 7:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

DDI Effectiveness and Clinical Awareness

NCT03581994
View directory record Official record
Conditions
Drug-Drug Interactions
Interventions
DDI Test Report
Diagnostic Test
Lead sponsor
Qure Healthcare, LLC
Industry
Eligibility
Not listed
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 10, 2026, 7:27 PM 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 20, 2024 · Synced Oct 10, 2026, 7:27 PM EDT