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ClinicalTrials.gov public records Last synced Oct 6, 2026, 9:04 AM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: P-glycoprotein Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of P-glycoprotein Inhibition on Lenalidomide Pharmacokinetics in Healthy Males

NCT01712828
View directory record Official record
Conditions
Healthy
Interventions
Lenalidomide, Quinidine, Temsirolimus, Diphenhydramine
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 8, 2019 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Surgery Plus Chemotherapy (Doxorubicin, Vincristine and Etoposide), Mitotane, and Tariquidar to Treat Adrenocortical Cancer

NCT00071058
View directory record Official record
Conditions
Adrenal Cortex Neoplasms
Interventions
XR9576 (Tariquidar)
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2012 · Synced Oct 6, 2026, 9:04 AM 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 3, 2024 · Synced Oct 6, 2026, 9:04 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Mild Neurocognitive Disorder in HIV Infection of the Brain

NCT01547754
View directory record Official record
Conditions
HIV-Associated Cognitive Motor Complex
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Phase II Study of Cabazitaxel-XRP6258 in Advanced Non-Small Cell Lung Cancer

NCT01438307
View directory record Official record
Conditions
Non-small Cell Lung Cancer (NSCLC), Stage IV NSCLC, Metastatic NSCLC
Interventions
Cabazitaxel-XRP6258 (3-week cycle), Cabazitaxel-XRP6258 (5-week cycle)
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Birmingham, Alabama • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Tariquidar-ondansetron Combination in Neuropathic Pain

NCT04603066
View directory record Official record
Conditions
Neuropathic Pain
Interventions
Ondansetron 16 mg with Tariquidar, Ondansetron 16 mg with Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Study to Assess the Influence of Simultaneous CYP3A4 and P-glycoprotein Inhibition on E7080 Pharmacokinetics Following Single Dose Oral Administration of 5 mg E7080 to Healthy Volunteers

NCT02198170
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ketoconazole-placebo, placebo-ketoconazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Feb 13, 2015 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study Between Bosutinib And Dabigatran

NCT02102633
View directory record Official record
Conditions
Healthy
Interventions
Dabigatran, Bosutinib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
DeLand, Florida
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 6, 2026, 9:04 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Clinical Study of MK-8527 in Healthy Participants (MK-8527-021)

NCT07661108
View directory record Official record
Conditions
Healthy
Interventions
MK-8527, Probenecid, Itraconazole
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Relacorilant on the Pharmacokinetics of the Sensitive P-glycoprotein Substrate Dabigatran Etexilate in Healthy Participants

NCT05347979
View directory record Official record
Conditions
Cushing Syndrome, Neoplasms
Interventions
Dabigatran Etexilate, Relacorilant
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 6, 2026, 9:04 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of Vimseltinib on P-glycoprotein (P-gp) Inhibition in Healthy Male Participants

NCT07744802
View directory record Official record
Conditions
Healthy Male Participants
Interventions
Vimseltinib, Dabigatran
Drug
Lead sponsor
Deciphera Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional

A Phase I Study of Infusional Paclitaxel With the P-Glycoprotein Antagonist PSC 833

NCT00001383
View directory record Official record
Conditions
Breast Cancer, Cancer, Carcinoma, Renal Cell, Lymphoma, Ovarian Cancer
Interventions
PSC 833, paclitaxel
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Phase 1, Drug-Drug Interaction Study of TBAJ-876 in Healthy Adults

NCT05526911
View directory record Official record
Conditions
Pulmonary Disease, Tuberculosis, Pulmonary, Tuberculosis, Multi Drug Resistant Tuberculosis, Drug Sensitive Tuberculosis, Drug-resistant Tuberculosis, Mycobacterium Tuberculosis Infection
Interventions
TBAJ-876, Midazolam, Digoxin
Drug
Lead sponsor
Global Alliance for TB Drug Development
Other
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 6, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain P-gp and Inflammation in People With Epilepsy

NCT01663545
View directory record Official record
Conditions
Epilepsies, Partial
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Tariquidar and Docetaxel to Treat Patients With Lung, Ovarian, Renal and Cervical Cancer

NCT00069160
View directory record Official record
Conditions
Lung Neoplasms, Ovarian Neoplasms, Cervix Neoplasms, Renal Neoplasms
Interventions
docetaxel, tariquidar, 99mTc-sestamibi imaging
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 12, 2012 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional

A Phase I Study of Infusional Chemotherapy With the P-Glycoprotein Antagonist PSC 833

NCT00001302
View directory record Official record
Conditions
Breast Cancer, Kidney Neoplasm, Lymphoma, Neoplasm Metastasis, Ovarian Cancer
Interventions
PSC 833
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Influence of Rifampin Co-Administration on the Pharmacokinetic Profile of Daptomycin

NCT02097953
View directory record Official record
Conditions
Drug Interactions, Pharmacokinetics
Interventions
Daptomycin, Rifampin
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Oct 6, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pharmacokinetic Interactions With Prednisolone in Healthy Volunteers and HIV-infected Patients Receiving Single-Dose Prednisone

NCT00072644
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 6, 2026, 9:04 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 9, 2015 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial to Investigate the Clinical Drug-Drug Interaction of Divarasib With Probe Substrates of P-Glycoprotein and Breast Cancer Resistance Protein in Healthy Participants

NCT06677957
View directory record Official record
Conditions
Healthy Participants
Interventions
Digoxin, Divarasib, Rosuvastatin
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jan 3, 2025 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Role of P-glycoprotein in Sitagliptin Clinical Pharmacology

NCT01112670
View directory record Official record
Conditions
Healthy
Interventions
Sitagliptin, atorvastatin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Oct 6, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of AZD5462 on the Pharmacokinetics of Midazolam, Rosuvastatin and Digoxin

NCT05395117
View directory record Official record
Conditions
Healthy Participants
Interventions
AZD5462, Midazolam, Rosuvastatin, Digoxin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 6, 2026, 9:04 AM 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 15, 2009 · Synced Oct 6, 2026, 9:04 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Sucralose on Drug Absorption and Metabolism (The SweetMeds Study)

NCT03407079
View directory record Official record
Conditions
Healthy Volunteers, Overweight
Interventions
Sucralose, Placebo
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 60 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 6, 2026, 9:04 AM EDT