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ClinicalTrials.gov public records Last synced Oct 7, 2026, 1:26 AM EDT

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Showing 121–144 of 337 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Protease Inhibitor Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Drug Interactions of Amprenavir and Efavirenz, in Combination With a Second Protease Inhibitor, in HIV-Negative Volunteers

NCT00005762
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Ritonavir, Amprenavir, Nelfinavir mesylate, Efavirenz, Saquinavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
8
States / cities
Palo Alto, California • Aurora, Colorado • Honolulu, Hawaii + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 3 Interventional

A Study to Compare Two Anti-HIV Drug Combinations

NCT00002447
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Efavirenz, Saquinavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
22
States / cities
Birmingham, Alabama • Long Beach, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Staggered Dosing on Interactions Between Paired Combinations of Nelfinavir, Ritonavir, and Saquinavir

NCT00000898
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Saquinavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2000
U.S. locations
4
States / cities
San Francisco, California • Stanford, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Safety and Tolerability Trial of Inhaled Alpha1-Proteinase Inhibitor (Human), Hydrophobic Chromatography Process (Alpha-1 HC) in Subjects With Cystic Fibrosis

NCT01684410
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Alpha-1 HC 100 mg, Placebo, Alpha-1 HC 200 mg
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 7, 2026, 1:26 AM EDT
Withdrawn Phase 2 Interventional

Garlic in Hyperlipidemia Caused by HAART

NCT00029250
View directory record Official record
Conditions
HIV Infections, Hypercholesterolemia, Hypertriglyceridemia, Hyperglycemia
Interventions
Garlic powder standardized to allicin
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 22, 2013 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

A Study to See If Taking One or Two Extra Drugs Can Lower HIV Levels in Patients Who Have Failed Their Anti-HIV Drug Treatment

NCT00006152
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Abacavir sulfate, Amprenavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 4 Interventional Results available

BATAR: Individuals Currently Taking Boosted Atazanavir as Part of an HIV Treatment Regimen Will be Evaluated to See if Substituting Raltegravir for Nucleoside Transcriptase Inhibitors Will be Safe and Well Tolerated.

NCT00931801
View directory record Official record
Conditions
HIV
Interventions
atazanavir/raltegravir, atazanavir/tenofovir/emtricitabine
Drug
Lead sponsor
Community Research Initiative of New England
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • Los Angeles, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interactions Between HIV Protease Inhibitors and Calcium Channel Blockers

NCT00039975
View directory record Official record
Conditions
HIV Infections, Cardiovascular Diseases, Hypertension
Interventions
Indinavir sulfate, Ritonavir, Amlodipine, Diltiazem HCl
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2004
U.S. locations
9
States / cities
San Francisco, California • Stanford, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 3 Interventional

A Study to Compare the Effects of Two Anti-HIV Drug Combinations on the Immune Systems of HIV-Infected Patients

NCT00002448
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Efavirenz, Saquinavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
16 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
3
States / cities
Los Angeles, California • Palo Alto, California • New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

Drug Interactions Between Lopinavir/Ritonavir and Oral or Patch Contraceptives in HIV Infected Women

NCT00125983
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
Lopinavir/ritonavir, Ortho Novum 1/35, Ortho Evra
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Honolulu, Hawaii + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed No phase listed Observational Results available

Evaluating the Role of Immune Responses in the Emergence of Protease Inhibitor Mutations

NCT01517529
View directory record Official record
Conditions
Hepatitis C
Interventions
Not listed
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 7, 2026, 1:26 AM EDT
Completed No phase listed Observational Results available

BRAVO: Background Regimen of Raltegravir on Virologic Outcome

NCT00751530
View directory record Official record
Conditions
HIV Infections
Interventions
raltegravir
Drug
Lead sponsor
Community Research Initiative of New England
Other
Eligibility
16 Years and older
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Glastonbury, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Not applicable Interventional

Safety and Effectiveness of Giving Indinavir and Nelfinavir to HIV-Infected Patients

NCT00002375
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Nelfinavir mesylate
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
Birmingham, Alabama • San Diego, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of an Anti-HIV Drug Combination in HIV-Positive Patients Who Have Failed Previous Treatment With Protease Inhibitors

NCT00002361
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Ritonavir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
8
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

A Study of Viracept in AIDS Patients With Mycobacterium Avium Complex Disease (MAC)

NCT00002170
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Nelfinavir mesylate
Drug
Lead sponsor
Agouron Pharmaceuticals
Industry
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
5
States / cities
San Diego, California • Torrance, California • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 1 Interventional

Study of How Indinavir (an Anti-HIV Drug) and Rifabutin (a Drug Used to Treat MAC, an HIV-Associated Disease) Interact in HIV-Positive and HIV-Negative Adults

NCT00000877
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 3 Interventional

Addition of Efavirenz or Nelfinavir to a Lamivudine/Zidovudine/Indinavir HIV Treatment Regimen

NCT00000903
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Nelfinavir mesylate, Efavirenz
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
444 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
49
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 32 more
Source: ClinicalTrials.gov public record
Updated May 21, 2012 · Synced Oct 7, 2026, 1:26 AM EDT
Completed No phase listed Observational

Characterization of the Adherence Threshold for HIV Suppression of a Kaletra-based Regimen

NCT00200369
View directory record Official record
Conditions
HIV Infection
Interventions
MEMS cap
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
19 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2009 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Not applicable Interventional

A Randomized Trial of the Efficacy and Safety of a Strategy of Starting With Nelfinavir Versus Ritonavir Added to Background Antiretroviral (AR) Nucleoside Therapy in HIV-Infected Individuals With CD4+ Cell Counts Less Than or Equal to 200/mm3

NCT00000859
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Ritonavir, Nelfinavir mesylate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
32
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 3 Interventional Results available

Enfuvirtide/Current Protease Inhibitor Switch to PREZISTA (Darunavir)/Ritonavir + TMC125 in HIV Patients With Enfuvirtide Side Effects.

NCT00460746
View directory record Official record
Conditions
HIV
Interventions
TMC125, Darunavir; Ritonavir
Drug
Lead sponsor
Tibotec, Inc
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 1 Interventional

Safety and Effectiveness of Lopinavir/Ritonavir in HIV Infected Infants

NCT00038480
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/Ritonavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Days to 6 Months
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
14
States / cities
Oakland, California • San Francisco, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Finding Confirmation of Atazanavir With Ritonavir and Efavirenz (ATV/RTV + EFV) in Healthy Subjects

NCT00357188
View directory record Official record
Conditions
HIV Infections, Protease Inhibitor
Interventions
Atazanavir Sulphate + Ritonavir, Atazanavir Sulphate + Ritonavir + Efavirenz
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 8, 2011 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 1 Interventional

Phase I Study of Safety, Tolerability, and Pharmacokinetics of Viracept in HIV-1 Infected Children and Exposed Infants

NCT00002164
View directory record Official record
Conditions
HIV Infections
Interventions
Nelfinavir mesylate
Drug
Lead sponsor
Agouron Pharmaceuticals
Industry
Eligibility
1 Day to 13 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 7, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

Study of PPI-668, BI 207127 and Faldaprevir, With and Without Ribavirin, in the Treatment of Chronic Hepatitis C

NCT01859962
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
PPI-668, BI 207127 Dose 1, BI 207127 Dose 2, Faldaprevir, Ribavirin, BI 207127 Placebo
Drug
Lead sponsor
Presidio Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Oct 7, 2026, 1:26 AM EDT