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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:13 AM EDT

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

Showing 1–24 of 104 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: EFV Clear all
Completed Phase 4 Interventional Results available

Effects of Switching Efavirenz to Raltegravir on Vascular Function and Bone Markers in HIV-infected Patients

NCT01270802
View directory record Official record
Conditions
HIV
Interventions
Tenofovir/emtricitabine, Tenofovir/emtricitabine/efavirenz, Raltegravir
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Oct 18, 2026, 4:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy

NCT00042289
View directory record Official record
Conditions
HIV Infections
Interventions
atazanavir/cobicistat, darunavir/ritonavir dosage #1, darunavir/ritonavir dosage #2, darunavir/ritonavir dosage #3, elvitegravir/cobicistat, dolutegravir, tenofovir alafenamide fumarate (TAF), TAF w/cobicistat, TAF w/cobicistat or ritonavir, efavirenz, darunavir/cobicistat, lopinavir/ritonavir dosage #1, atazanavir/ritonavir/tenofovir dosage #1, rifampicin, ethambutol, isoniazid, pyrazinamide, kanamycin, amikacin, capreomycin, moxifloxacin, levoflaxacin, ofloxacin, ethionamide/prothionamide, terizidone/cycloserine, para-aminosalicylic acid (PAS), high dose INH, bedaquiline, clofazamine, delamanid, linezolid, pretomanid, ethinyl estradiol, etonogestrel implant, nevirapine, amprenavir, abacavir, lopinavir/ritonavir dosage #2, indinavir/ritonavir dosage #1, fosamprenavir/ritonavir, lopinavir/ritonavir dosage #3, atazanavir/ritonavir dosage #1, didanosine delayed release (Videx® EC), emtricitabine, tenofovir, nelfinavir dosage #1, tipranavir/ritonavir, lopinavir/ritonavir dosage #4, raltegravir, etravirine, maraviroc, atazanavir/ritonavir dosage #2, tenofovir/atazanavir/ritonavir dosage #2, nelfinavir dosage #2, indinavir/ritonavir dosage #2, rilpivirine, darunavir/ritonavir dosage #4
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
1,578 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2020
U.S. locations
39
States / cities
Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 18, 2026, 4:13 AM 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 22, 2011 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Clinical Trial of CNS-targeted HAART (CIT2)

NCT00624195
View directory record Official record
Conditions
HIV Infections
Interventions
FDA Approved Antiretroviral Therapy (see list below)
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
San Diego, California • San Francisco, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From Regimens Consisting of a Nonnucleoside Reverse Transcriptase Inhibitor Plus Emtricitabine and Tenofovir DF to the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir DF Single-Tablet Regimen in Virologically Suppressed, HIV-1 Infected Patients

NCT01495702
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
NNRTI, FTC/TDF, Stribild
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
39
States / cities
Phoenix, Arizona • Beverly Hills, California • Hayward, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of CYP2B6 Genetic Polymorphisms on Efavirenz Pharmacokinetics

NCT00668395
View directory record Official record
Conditions
HIV
Interventions
Efavirenz
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 49 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 26, 2014 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Not applicable Interventional Results available

Advanced Neuroimaging Evaluation of CNS Changes Associated With Efavirenz Therapy Switch to an Raltegravir-based Regimen

NCT01978743
View directory record Official record
Conditions
HIV, HIV-associated Neurocognitive Disorder, Neurotoxicity
Interventions
Raltegravir
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

Switch Study to Evaluate F/TAF in HIV-1 Infected Adults Who Are Virologically Suppressed on Regimens Containing ABC/3TC

NCT02469246
View directory record Official record
Conditions
HIV-1 Infection
Interventions
F/TAF, ABC/3TC, ABC/3TC Placebo, F/TAF Placebo, 3rd ARV agent
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
34
States / cities
Phoenix, Arizona • Beverly Hills, California • La Jolla, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Anti-HIV Drug Regimens and Treatment-Switching Guidelines in HIV Infected Children

NCT00039741
View directory record Official record
Conditions
HIV Infections
Interventions
NRTIs (ABC, FTC, FTC/TDF, 3TC, 3TC/AZT, d4T, TDF, ddC, AZT), NNRTIs (EFV, NVP), PIs (AMP, IDV, LPV/r, NFV, SQV, RTV)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
30 Days to 18 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
29
States / cities
Alhambra, California • Long Beach, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Not applicable Interventional Results available

Pilot Study on the Effect of Adding Raltegravir +/- a Second Drug on HIV Levels in the Gut

NCT00884793
View directory record Official record
Conditions
HIV Infections
Interventions
raltegravir, Study NNRTI, Study PI
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2012 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From a Regimen of Two Nucleos(t)Ide Reverse Transcriptase Inhibitors (NRTI) Plus a Third Agent to a Fixed Dose Combination (FDC) of Bictegravir/Emtricitabine/Tenofovir Alafenamide (B/F/TAF), in Virologically-Suppressed, HIV-1 Infected African American Participants

NCT03631732
View directory record Official record
Conditions
HIV-1 Infection
Interventions
B/F/TAF, NRTIs, Third Agent
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
82
States / cities
Birmingham, Alabama • Mobile, Alabama • Los Angeles, California + 53 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 3 Interventional

Rollover Study for Zerit (Stavudine) ER Studies (-096, -099)

NCT00116298
View directory record Official record
Conditions
HIV Infections, AIDS
Interventions
stavudine, efavirenz, lamivudine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
Not listed
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
19
States / cities
Berkeley, California • Los Angeles, California • West Hollywood, California + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2011 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2 Interventional

Effectiveness of ABT-378/Ritonavir Plus Lamivudine Plus Efavirenz Plus Tenofovir DF in HIV-Infected Patients

NCT00038220
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/ritonavir, Efavirenz, Lamivudine, Tenofovir DF
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2006 · Synced Oct 18, 2026, 4:13 AM 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 14, 2011 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic Study of Pitavastatin and Ritonavir-Boosted Darunavir or Efavirenz

NCT01695954
View directory record Official record
Conditions
Hyperlipidemia, HIV
Interventions
Pitavastatin, Darunavir, Ritonavir, Efavirenz
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 18, 2026, 4:13 AM EDT
Not listed Phase 2Phase 3 Interventional

BREATHER (PENTA 16) Short-Cycle Therapy (SCT) (5 Days on/2 Days Off) in Young People With Chronic HIV-infection

NCT01641016
View directory record Official record
Conditions
HIV
Interventions
efavirenz
Drug
Lead sponsor
PENTA Foundation
Network
Eligibility
8 Years to 24 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 2, 2015 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 1 Interventional

Safety, Tolerability, and Anti-HIV Activity of DMP 266 (Efavirenz) in Combination With Nelfinavir in HIV-Positive Children

NCT00000893
View directory record Official record
Conditions
HIV Infections
Interventions
Nelfinavir mesylate, Efavirenz
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Months to 16 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
25
States / cities
Long Beach, California • Los Angeles, California • Oakland, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available

Raltegravir + Lopinavir/Ritonavir Versus Efavirenz + Tenofovir + Emtricitabine in Treatment Naive Patients

NCT00752856
View directory record Official record
Conditions
HIV Infections
Interventions
Kaletra + Isentress, Atripla
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
6
States / cities
Long Beach, California • Los Angeles, California • Orange, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

GSK1349572 Drug Interaction Study With Efavirenz

NCT01098526
View directory record Official record
Conditions
Infections, Human Immunodeficiency Virus and Herpesviridae
Interventions
GSK1349572, Efavirenz
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2 Interventional

The Effectiveness of Nelfinavir and Efavirenz, Used Alone or Together, Combined With Other Anti-HIV Drugs in Patients Who Have Taken Anti-HIV Drugs

NCT00001087
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Efavirenz, Levocarnitine, Adefovir dipivoxil, Saquinavir, Lamivudine, Stavudine, Zidovudine, Zalcitabine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 18, 2026, 4:13 AM 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 2, 2020 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of Giving an Anti-HIV Drug Combination of Adefovir Dipivoxil Plus Didanosine Plus Efavirenz Plus Lamivudine Once Daily to HIV-Infected Patients

NCT00002234
View directory record Official record
Conditions
HIV Infections
Interventions
Efavirenz, Adefovir dipivoxil, Lamivudine, Didanosine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
13 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
5
States / cities
Beverly Hills, California • Denver, Colorado • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 18, 2026, 4:13 AM EDT
Completed Phase 4 Interventional Results available

HIV Treatment Reinitiation in Women Who Received Anti-HIV Drugs to Prevent Mother-to-Child Transmission of HIV

NCT00442962
View directory record Official record
Conditions
HIV Infections
Interventions
Efavirenz, Emtricitabine/Tenofovir disoproxil fumarate
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
6
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 18, 2026, 4:13 AM EDT
Terminated Phase 2 Interventional

Safety, Efficacy and Dose-response Study of BMS-986001 in Subjects With HIV-1 Infection Who Are Treatment-naive

NCT01489046
View directory record Official record
Conditions
HIV-1 Infection
Interventions
BMS-986001, Placebo matching with BMS-986001, Efavirenz, Lamivudine, Tenofovir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
18
States / cities
Sacramento, California • Orlando, Florida • West Palm Beach, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 18, 2026, 4:13 AM EDT