Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 26, 2026, 8:01 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Efavirenz Clear all
Completed Phase 3 Interventional

Indinavir Plus Efavirenz Plus Adefovir Dipivoxil in HIV-Infected Patients Who Have Not Had Success With Nelfinavir

NCT00002220
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Efavirenz, Levocarnitine, Adefovir dipivoxil
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
11
States / cities
Los Angeles, California • New Haven, Connecticut • Wilmington, Delaware + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 2 Interventional

A Simplified Kaletra® (Lopinavir/Ritonavir)-Based Therapy Versus a Sustiva® (Efavirenz)-Based Standard of Care in Previously Non-Treated HIV-Infected Subjects

NCT00075231
View directory record Official record
Conditions
HIV Infections
Interventions
Kaletra® (lopinavir/ritonavir), Combivir® (lamivudine, zidovudine), Sustiva® (efavirenz)
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Fountain Valley, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2006 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Not applicable Interventional

DART I - A Phase IV Study of 3 Antiretroviral Medicines in Combination, in HIV Patients Who Have Not Been Previously Treated With Antiretroviral Therapy

NCT00116415
View directory record Official record
Conditions
HIV Infections, AIDS
Interventions
efavirenz; didanosine EC; lamivudine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Orlando, Florida • Columbus, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2011 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 2 Interventional

A Study to Compare The Ability of Different Anti-HIV Drugs to Decrease Viral Load After Nelfinavir (an Anti-HIV Drug)Treatment Failure

NCT00000918
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Ritonavir, Amprenavir, Efavirenz, Saquinavir, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
38
States / cities
Birmingham, Alabama • Los Angeles, California • Menlo Park, California + 23 more
Source: ClinicalTrials.gov public record
Updated May 20, 2012 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effects of Cenicriviroc Mesylate on Arterial Inflammation in People Living With HIV

NCT05630885
View directory record Official record
Conditions
HIV-1-infection, Elevated Cardiovascular Risk
Interventions
CVC 150 mg, CVC 300 mg, Placebo for CVC 150 mg, Placebo for CVC 300 mg
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
45 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
19
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Disulfiram Interactions With HIV Medications: Clinical Implications

NCT00878306
View directory record Official record
Conditions
HIV Infections, Drug Abuse
Interventions
Disulfiram, Disulfiram + Efavirenz, Disulfiram + Atazanavir, Disulfiram + Ritonavir
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From a Regimen Consisting of Efavirenz/Emtricitabine/Tenofovir Disoproxil Fumarate (EFV/FTC/TDF) Fixed Dose Combination (FDC) to Emtricitabine/Rilpivirine/Tenofovir Alafenamide (FTC/RPV/TAF) FDC in Virologically-Suppressed, HIV-1 Infected Adults

NCT02345226
View directory record Official record
Conditions
HIV-1 Infection
Interventions
FTC/RPV/TAF, EFV/FTC/TDF Placebo, EFV/FTC/TDF, FTC/RPV/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
79
States / cities
Phoenix, Arizona • Beverly Hills, California • Long Beach, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2020 · Synced Sep 26, 2026, 8:01 PM EDT
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 Sep 26, 2026, 8:01 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Effectiveness of Emtricitabine, Efavirenz, and Didanosine in HIV Infected Children Who Have Taken Few or No Anti-HIV Drugs

NCT00016718
View directory record Official record
Conditions
HIV Infections
Interventions
Didanosine (ddI), Efavirenz (EFV), Emtricitabine (FTC)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
90 Days to 21 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
16
States / cities
San Diego, California • San Francisco, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 3 Interventional Results available

TMC278-TiDP6-C215: A Clinical Trial in Treatment Naive HIV-subjects Patients Comparing TMC278 to Efavirenz in Combination With 2 Nucleoside/Nucleotide Reverse Transcriptase Inhibitors

NCT00543725
View directory record Official record
Conditions
HIV Infections, HIV-1
Interventions
TMC278, efavirenz
Drug
Lead sponsor
Tibotec Pharmaceuticals, Ireland
Industry
Eligibility
18 Years to 99 Years
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
25
States / cities
Long Beach, California • Los Angeles, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Sep 26, 2026, 8:01 PM EDT
Terminated Not applicable Interventional Results available

Raltegravir Cerebrospinal Fluid Pharmacodynamic Study in HIV-Infected Individuals

NCT01293123
View directory record Official record
Conditions
HIV
Interventions
Raltegravir, Efavirenz
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Sep 26, 2026, 8:01 PM EDT
Terminated No phase listed Observational

Antiretroviral Localization in Gut-Associated Lymphoid Tissue and Lower Female Genital Tract Tissue of HIV+ Subjects

NCT02641444
View directory record Official record
Conditions
HIV
Interventions
Blood plasma collection, Cervical and Vaginal Biopsy, Colonoscopy with Ileal and Rectal Biopsy
Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Efavirenz Versus Rilpivirine on Vascular Function, Inflammation, and Oxidative Stress

NCT01585038
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Efavirenz, Rilpivirine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 13, 2015 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study To Evaluate Emtricitabine/Tenofovir Alafenamide (F/TAF) in Human Immunodeficiency Virus 1 (HIV-1) Infected Children and Adolescents Virologically Suppressed on a 2-Nucleoside/Nucleotide Reverse Transcriptase Inhibitor (2-NRTI)-Containing Regimen

NCT02285114
View directory record Official record
Conditions
HIV-1
Interventions
F/TAF, 3rd ARV agent, Boosted PIs
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
1 Month to 17 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

CYP2B6 Genetics and Drug Interactions in Healthy Volunteers

NCT02401256
View directory record Official record
Conditions
Healthy
Interventions
Efavirenz, Bupropion, Rosuvastatin, Montelukast
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 49 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 10, 2017 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effect of Genetics on Metabolism of Efavirenz

NCT00245986
View directory record Official record
Conditions
Metabolism
Interventions
Blood draw
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 55 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Interaction of TAK-279 With Substances That Have an Impact on Metabolism in Healthy Adults

NCT05995249
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TAK-279, Erythromycin, Phenytoin, Efavirenz
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 2 Interventional Results available

A Study of TMC278 in Human Immunodeficiency Virus Type 1 Infected Patients, Who Are Not Treated With Antiretroviral Medicines

NCT00110305
View directory record Official record
Conditions
Human Immunodeficiency Virus Type 1
Interventions
TMC278 25 mg, TMC278 75 mg, TMC278 150 mg, Efavirenz, Non-nucleoside reverse transcriptase inhibitor (NRTIs)
Drug
Lead sponsor
Tibotec Pharmaceuticals, Ireland
Industry
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
9
States / cities
Beverly Hills, California • Washington D.C., District of Columbia • Orlando, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Sep 26, 2026, 8:01 PM EDT
Completed No phase listed Observational

Tenofovir, Emtricitabine, Efavirenz and Atazanavir Pharmacokinetics in the Aging HIV-Infected Population

NCT01180075
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
tenofovir/emtricitabine/efavirenz (TDF/FTC/EFV), tenofovir/emtricitabine (TDF/FTC), Atazanavir (ATV), Ritonavir, Phlebotomy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 3 Interventional

Anti-HIV Drug Regimens With or Without Protease Inhibitors and Drug Level Monitoring in HIV Infected Adolescents

NCT00075907
View directory record Official record
Conditions
HIV Infections
Interventions
Efavirenz + 2 NRTIs, Lopinavir/Ritonavir + 2 NRTIs, Therapeutic Drug Monitoring
Drug · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years to 23 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
13
States / cities
Alhambra, California • Long Beach, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2013 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 3 Interventional Results available

Trial of Maraviroc (UK-427,857) in Combination With Zidovudine/Lamivudine Versus Efavirenz in Combination With Zidovudine/Lamivudine

NCT00098293
View directory record Official record
Conditions
HIV-1
Interventions
Maraviroc + Zidovudine/Lamivudine, Efavirenz + Zidovudine/Lamivudine, Maraviroc (UK-427,857) + Zidovudine/Lamivudine
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
16 Years and older
Enrollment
916 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
46
States / cities
Birmingham, Alabama • Beverly Hills, California • Los Angeles, California + 33 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2013 · Synced Sep 26, 2026, 8:01 PM EDT
Terminated Phase 2 Interventional Results available

Dose-finding Study of BMS-955176 to Treat HIV-1 Infected Treatment-naive Adults

NCT02415595
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-955176, EFV, TDF/FTC
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
8
States / cities
Beverly Hills, California • Los Angeles, California • DeLand, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 4 Interventional Results available

Efavirenz (EFV) Intensification

NCT07193875
View directory record Official record
Conditions
HIV
Interventions
Efavirenz 600mg
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 26, 2026, 8:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetics, Safety and Tolerability of Retosiban (GSK221149) When Dosed With Efavirenz (EFZ)

NCT01867996
View directory record Official record
Conditions
Obstetric Labour, Premature
Interventions
Retosiban, EFZ 600 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Sep 26, 2026, 8:01 PM EDT