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ClinicalTrials.gov public records Last synced Oct 11, 2026, 11:51 AM EDT

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Showing 49–72 of 451 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ritonavir (RTV) Clear all
Completed Phase 2 Interventional Results available

Study to Assess the Safety, Tolerability, Pharmacokinetics and Antiviral Activity of ABT-267 in HCV Infected Subjects

NCT01563536
View directory record Official record
Conditions
Chronic Hepatitis C Infection
Interventions
ABT-267, ABT-450, ABT-333, Ritonavir, Ribavirin
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
Bakersfield, California • Orlando, Florida • Annapolis, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

LAAM-HAART PET Imaging

NCT01935830
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[11c] LAAM, Ritonavir, Efavirenz
Radiation · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 11, 2026, 11:51 AM EDT
Terminated Phase 3 Interventional Results available

Strategies and Treatments for Respiratory Infections & Viral Emergencies (STRIVE): Shionogi Protease Inhibitor (Ensitrelvir)

NCT05605093
View directory record Official record
Conditions
COVID-19
Interventions
Shionogi Protease Inhibitor (S-217622), placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
103
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 75 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional

A Multicenter Study to Assess the Tolerability of Once Daily Lopinavir/Ritonavir (LPV/r) Liquid Versus Capsules

NCT00281606
View directory record Official record
Conditions
HIV Infection
Interventions
Different formulations of once-daily lopinavir/ritonavir
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
5
States / cities
Irvine, California • Los Angeles, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Oct 11, 2026, 11:51 AM EDT
Terminated Phase 2 Interventional Results available

Strategy-confirming Study of BMS-955176 to Treat HIV-1 Infected Treatment-experienced Adults

NCT02386098
View directory record Official record
Conditions
HIV Infections
Interventions
BMS-955176, Atazanavir (ATV), Ritonavir (RTV), Dolutegravir (DTG), Tenofovir (TDF)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
Beverly Hills, California • Los Angeles, California • Palm Springs, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 1 Interventional

ATV/Ritonavir Nevirapine Interaction (USPAC)

NCT00162149
View directory record Official record
Conditions
HIV Infections
Interventions
Nevirapine, Nevirapine + Atazanavir/Ritonavir, Atazanavir + Ritonavir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Pomona, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 8, 2011 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 3 Interventional Results available

A Study To Assess GW433908 (Fosamprenavir) Containing Regimens In HIV-1 Infected Subjects

NCT00296504
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
fosamprenavir (GW433908), ritonavir
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
13 Years and older
Enrollment
753 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
10
States / cities
Fountain Valley, California • San Francisco, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2013 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 1 Interventional

A Study of the Safety and Effectiveness of Treating Advanced AIDS Patients Between Ages 4 and 22 With 7 Drugs, Some at Higher Than Usual Doses

NCT00001108
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Saquinavir, Nevirapine, Lamivudine, Stavudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years to 22 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Not applicable Interventional Results available

Pilot Study of a Raltegravir Based NRTI Sparing Regimen

NCT00814879
View directory record Official record
Conditions
Acquired Immune Deficiency Syndrome, AIDS, Human Immunodeficiency Virus, HIV Infections
Interventions
Raltegravir, Atazanavir, Standard treatment regimen
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
New Haven, Connecticut • Waterbury, Connecticut • West Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Oct 11, 2026, 11:51 AM EDT
Terminated Phase 2 Interventional Results available

Nine Month Course of Anti-HIV Medications for People Recently Infected With HIV

NCT00090779
View directory record Official record
Conditions
HIV Infections
Interventions
Emtricitabine/ tenofovir disoproxil fumarate, Lopinavir/Ritonavir
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
25
States / cities
San Diego, California • San Francisco, California • Torrance, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Results available

Kaletra-isentress Treatment Evaluation

NCT00700115
View directory record Official record
Conditions
HIV Infections
Interventions
Kaletra + Isentress, Pre-study antiretroviral regimen
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 12, 2014 · Synced Oct 11, 2026, 11:51 AM EDT
Terminated Phase 2 Interventional Results available

Phase IIB Pilot of Atazanavir + Raltegravir

NCT00768989
View directory record Official record
Conditions
HIV
Interventions
Atazanavir, Raltegravir, Ritonavir, Tenofovir/Emtricitabine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
9
States / cities
Phoenix, Arizona • New Haven, Connecticut • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2012 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 2 Interventional

A Study of Danoprevir/Ritonavir and Copegus With RO5024048 and/or Pegasys in Patients With Chronic Hepatitis C

NCT01331850
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, Pegasys, RO5024048, danoprevir, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
19
States / cities
La Jolla, California • Long Beach, California • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Long-term Outcomes Following Treatment With ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 With or Without Ribavirin (RBV) in Adults With Genotype 1 Chronic Hepatitis C Virus (HCV) Infection

NCT02167945
View directory record Official record
Conditions
Chronic Hepatitis C Virus (HCV) Infection Genotype 1
Interventions
ABT-450/r/ABT-267, ABT-333, Ribavirin (RBV)
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 99 Years
Enrollment
615 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
48
States / cities
Phoenix, Arizona • Bakersfield, California • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional

Boosted Atazanavir and Truvada Given Once-Daily - BATON Study

NCT00224445
View directory record Official record
Conditions
HIV Infections
Interventions
Truvada, Atazanavir, Ritonavir
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Foster City, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2013 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 2 Interventional

A Study of 1592U89 in Combination With Protease Inhibitors in HIV-Infected Patients Who Have Never Taken Anti-HIV Drugs

NCT00002440
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Ritonavir, Abacavir sulfate, Amprenavir, Nelfinavir mesylate, Saquinavir
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
16 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
8
States / cities
San Diego, California • New Haven, Connecticut • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 2 Interventional Results available

Study Of An Investigational Regimen Including FDA Approved HIV Drugs In HIV-Infected Pediatric Subjects

NCT00071760
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus, HIV Infections
Interventions
GW433908, ritonavir
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
4 Weeks to 2 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2022
U.S. locations
2
States / cities
Jacksonville, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 3 Interventional

A Comparison of Three Anti-HIV Drug Combinations Containing Saquinavir Soft Gelatin Capsules Used in HIV-1 Infected Patients

NCT00002378
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate, Saquinavir, Delavirdine mesylate, Lamivudine, Stavudine, Zidovudine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
16 Years and older
Enrollment
825 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
97
States / cities
Anniston, Alabama • Phoenix, Arizona • Tucson, Arizona + 63 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 11, 2026, 11:51 AM EDT
Completed No phase listed Observational

A Pilot Study of the Short-Term Effects of Antiretroviral Management Based on Plasma Genotypic Antiretroviral Resistance Testing (GART) Compared With Antiretroviral Management Without Plasma GART

NCT00000874
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1999
U.S. locations
24
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2013 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction of Lopinavir/Ritonavir on Pitavastatin

NCT01057433
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Pitavastatin (NK-104), Lopinavir/ritonavir
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 11, 2026, 11:51 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 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Results available

IMPAACT 1077HS: Examining Benefits of HAART Continuation in Postpartum Women

NCT00955968
View directory record Official record
Conditions
HIV Infection
Interventions
Highly active antiretroviral therapy (HAART)
Drug
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
18 Years and older · Female only
Enrollment
1,653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
26
States / cities
Alhambra, California • Los Angeles, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Between Colchicine and Ritonavir

NCT00983515
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Colchicine, Ritonavir
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
East Grand Forks, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 15, 2009 · Synced Oct 11, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Results available

Kaletra Sex/Gender Pharmacokinetics (PK) Study

NCT00148759
View directory record Official record
Conditions
HIV Infections
Interventions
LPV/r
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Oct 11, 2026, 11:51 AM EDT