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ClinicalTrials.gov public records Last synced Oct 14, 2026, 8:40 AM EDT

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Showing 73–96 of 451 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ritonavir (rtv) Clear all
Completed Phase 2 Interventional Results available

Evaluating Pharmacokinetic Interactions With Vaginal Ring Contraceptives and ART

NCT01903031
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Nuvaring, EFV, ATV/r, TDF, NRTIs
Device · Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 14, 2026, 8:40 AM EDT
Terminated Phase 2 Interventional

GW873140 In Combination With Kaletra In HIV Infected Subjects

NCT00102778
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus I, HIV Infection
Interventions
GW873140, Kaletra (lopinavir/ritonavir)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
32
States / cities
Phoenix, Arizona • Tucson, Arizona • Fountain Valley, California + 23 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 1 Interventional Results available

Pharmacokinetics and Safety Study of Tipranavir in Combination With Low Dose Ritonavir in Human Immunodeficiency Virus (HIV)-Infected Children

NCT00076999
View directory record Official record
Conditions
HIV Infections
Interventions
TPV oral solution, RTV oral solution
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
2 Years to 18 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
9
States / cities
Los Angeles, California • Hartford, Connecticut • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Oct 14, 2026, 8:40 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Two Part Study to Evaluate Pharmacokinetics, Safety, and Antiviral Activity of Elvitegravir Administered With a PI/r Background Regimen for ARV Treatment-Experienced Pediatric Participants

NCT01923311
View directory record Official record
Conditions
Acquired Immune Deficiency Syndrome (AIDS), HIV Infections
Interventions
EVG, Background regimen
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
4 Weeks to 17 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
3
States / cities
Aurora, Colorado • Durham, North Carolina • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Oct 14, 2026, 8:40 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 14, 2026, 8:40 AM EDT
Completed Phase 1 Interventional

Interactions of HIV Protease Inhibitors and Methadone in HIV-Infected Patients

NCT00000906
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Saquinavir, Methadone hydrochloride
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
7
States / cities
San Francisco, California • Denver, Colorado • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 14, 2026, 8:40 AM 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 21, 2012 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 1 Interventional Results available

HERV-K Suppression Using Antiretroviral Therapy in Volunteers With Amyotrophic Lateral Sclerosis (ALS)

NCT02437110
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Darunavir, Ritonavir, Dolutegravir, Tenofovir alafenamide (TAF)
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Oct 14, 2026, 8:40 AM EDT
Terminated Phase 3 Interventional Results available

Study Of Chemokine Coreceptor 5 (CCR5) Antagonist GW873140 In R5-Tropic Treatment-Experienced HIV-Infected Subjects

NCT00197145
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus I
Interventions
GW873140
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
52
States / cities
Birmingham, Alabama • Beverly Hills, California • Fountain Valley, California + 43 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2018 · Synced Oct 14, 2026, 8:40 AM EDT
Terminated Phase 2 Interventional Results available

Ritonavir and Lopinavir in Treating Patients With Progressive or Recurrent High-Grade Glioma

NCT01095094
View directory record Official record
Conditions
Brain Tumor, Anaplastic Astrocytoma, Anaplastic Ependymoma, Anaplastic Oligodendroglioma, Brain Stem Glioma, Giant Cell Glioblastoma, Glioblastoma, Gliosarcoma, Mixed Glioma
Interventions
ritonavir, lopinavir
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of E/C/F/TDF Versus RTV-Boosted ATV Plus FTC/TDF in HIV-1 Infected, Antiretroviral Treatment-Naive Women

NCT01705574
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
E/C/F/TDF, ATV, RTV, FTC/TDF, E/C/F/TDF Placebo, ATV Placebo, RTV Placebo, FTC/TDF Placebo, E/C/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older · Female only
Enrollment
583 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
41
States / cities
Los Angeles, California • Sacramento, California • Washington D.C., District of Columbia + 31 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2019 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 2 Interventional

Immunologic and Virologic Consequences of Long-Term Highly Active Antiretroviral Therapy (HAART) in Subjects With Moderately Advanced HIV-1 Disease: A Follow-Up Study to ACTG 315

NCT00000891
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Saquinavir, Delavirdine mesylate, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
3
States / cities
Denver, Colorado • Chicago, Illinois • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 14, 2026, 8:40 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 14, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety, Tolerability, and Blood Levels of Ritonavir-Boosted Atazanavir and Rifampin When Taken Together in HIV Uninfected Adults

NCT00096850
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Atazanavir, Rifampin, Ritonavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2007
U.S. locations
3
States / cities
Palo Alto, California • Columbus, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 14, 2026, 8:40 AM EDT
Terminated Phase 3 Interventional Results available

Comparative Trial Of Maraviroc Versus Emtricitabine/Tenofovir Both With Darunavir/Ritonavir In Antiretroviral-Naive Patients Infected With CCR5 Tropic HIV 1

NCT01345630
View directory record Official record
Conditions
HIV-1
Interventions
Maraviroc, Emtricitabine/tenofovir, darunavir/ritonavir 800/100 mg, placebo for emtricitabine/tenofovir, placebo for maraviroc
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
84
States / cities
Birmingham, Alabama • Hobson City, Alabama • Hayward, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 4 Interventional Results available

Immune Reconstitution as a Determinant of Adverse Effects to New Antiretroviral Therapy in Persons With Advanced HIV Infection

NCT00885664
View directory record Official record
Conditions
HIV Infections
Interventions
Truvada (tenofovir/emtricitabine), Kaletra (lopinavir/ritonavir)
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Not applicable Interventional

A Study to Evaluate Various Combinations of Anti-HIV Medications to Treat Early HIV Infection

NCT00000919
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Ritonavir, Hydroxyurea, Abacavir sulfate, Amprenavir, Nelfinavir mesylate, Efavirenz, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
63
States / cities
Birmingham, Alabama • Los Angeles, California • Menlo Park, California + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2012 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 4 Interventional

A Pharmacokinetic (PK) Study of a Combination of Indinavir, Ritonavir, and Amprenavir

NCT00148785
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir/Ritonavir/Fosamprenavir
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 11, 2013 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Danoprevir/Ritonavir on the Pharmacokinetics of Escitalopram and S-Demethylcitalopram in Healthy Volunteers

NCT01418274
View directory record Official record
Conditions
Healthy Volunteer
Interventions
danoprevir, escitalopram, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 1 Interventional

Pharmacokinetic Characteristics and Anti-Inflammatory Effects of Aprepitant In HIV-Infected Subjects

NCT02154360
View directory record Official record
Conditions
HIV Infection
Interventions
Aprepitant
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Not applicable Interventional

The Effectiveness of Ritonavir Plus Zidovudine Plus Lamivudine in HIV-Infected Patients

NCT00001075
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Lamivudine, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
3
States / cities
Aurora, Colorado • Chicago, Illinois • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 14, 2026, 8:40 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of COBI-boosted Atazanavir Versus Ritonavir-boosted Atazanavir Each Administered With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

NCT01108510
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
COBI, RTV, ATV, FTC/TDF, COBI placebo, RTV placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
64
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 42 more
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 14, 2026, 8:40 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 14, 2026, 8:40 AM EDT
Completed Phase 3 Interventional Results available

Randomized Evaluation of Strategic Intervention in Multidrug Resistant Patients With Tipranavir (RESIST)

NCT00054717
View directory record Official record
Conditions
HIV Infections
Interventions
Tipranavir, Ritonavir(r), Comparator Protease Inhibitor (CPI)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
96
States / cities
Phoenix, Arizona • Tucson, Arizona • Berkeley, California + 67 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2014 · Synced Oct 14, 2026, 8:40 AM EDT