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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: LPV/RTV Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Drug Interaction of PA-824, an Investigational Tuberculosis Medication, Together With Efavirenz, Ritonavir-Boosted Lopinavir, or Rifampin

NCT01571414
View directory record Official record
Conditions
Tuberculosis
Interventions
PA-824, Efavirenz (EFV), Lopinavir/Ritonavir (LPV/r), Rifampin (RIF)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
4
States / cities
San Francisco, California • Baltimore, Maryland • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 2, 2026, 2:20 PM EDT
Withdrawn Not applicable Interventional

Effect of a Change in HIV Therapy on Liver Steatosis, Inflammation, and Fibrosis

NCT00023218
View directory record Official record
Conditions
HIV Infections, Hepatitis C
Interventions
Lopinavir/Ritonavir, Efavirenz
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
Honolulu, Hawaii • Tripler AMC, Hawaii • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2015 · Synced Sep 2, 2026, 2:20 PM 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 4, 2021 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Not applicable Interventional

Effects of Two Anti-HIV Drug Combinations on the Immune Systems of HIV-Infected Patients Who Have Never Received Anti-HIV Drugs

NCT00004855
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/Ritonavir, Abacavir sulfate, Nevirapine, Lamivudine, Stavudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
23
States / cities
Los Angeles, California • Denver, Colorado • Honolulu, Hawaii + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 2, 2026, 2:20 PM 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 29, 2020 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Drug Interaction Study of Lopinavir/Ritonavir and Gemfibrozil

NCT00474201
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Lopinavir/Ritonavir, Gemfibrozil
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2016 · Synced Sep 2, 2026, 2:20 PM 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 1, 2025 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between Lopinavir/Ritonavir and Isavuconazole

NCT01660477
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Lopinavir/Ritonavir, Healthy Volunteers
Interventions
Isavuconazole, Lopinavir/ritonavir
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2015 · Synced Sep 2, 2026, 2:20 PM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Treatment for COVID-19 in High-Risk Adult Outpatients

NCT04354428
View directory record Official record
Conditions
COVID-19, SARS-CoV-2
Interventions
Ascorbic Acid, Hydroxychloroquine Sulfate, Azithromycin, Folic Acid, Lopinavir 200 MG / Ritonavir 50 MG [Kaletra]
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
6
States / cities
Chicago, Illinois • New Orleans, Louisiana • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 2, 2026, 2:20 PM EDT
Completed No phase listed Observational

IMPAACT P1058A: Pharmacokinetic Effects of New Antiretroviral Drugs on Children, Adolescents and Young Adults

NCT00977756
View directory record Official record
Conditions
HIV Infections
Interventions
Raltegravir (RAL), Atazanavir (ATV), Ritonavir (RTV), Tenofovir (TDF), Etravirine (ETV), Darunavir (DRV), Maraviroc (MVC), Lopinavir/ritonavir (LPV/r)
Drug
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
6 Years to 21 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2014
U.S. locations
33
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Sep 2, 2026, 2:20 PM 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 11, 2014 · Synced Sep 2, 2026, 2:20 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Study of Cobicistat-Boosted Atazanavir (ATV/co), Cobicistat-Boosted Darunavir (DRV/co) and Emtricitabine/Tenofovir Alafenamide (F/TAF) in Children With HIV

NCT02016924
View directory record Official record
Conditions
Acquired Immune Deficiency Syndrome (AIDS), HIV Infections
Interventions
ATV, DRV, Cobicistat, BR, F/TAF, LPV/r, Third Unboosted Drug, Cobicistat TOS, F/TAF TOS
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
4 Weeks to 17 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
7
States / cities
Long Beach, California • Los Angeles, California • Aurora, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Not applicable Interventional Results available

Safety and Effectiveness of Short-Term Anti-HIV Drug Therapy for Recent HIV-1 Infection

NCT00414518
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir disoproxil fumarate/Emtricitabine, Lopinavir/Ritonavir
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Denver, Colorado • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2013 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Interactions Between an Herbal Medicine (African Potato) and Antiretroviral Agents (Lopinavir/Ritonavir)

NCT01227590
View directory record Official record
Conditions
Drug Interactions, Human Immunodeficiency Virus
Interventions
Kaletra (lopinavir/ritonavir), African Potato (hypoxis obtusa)
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 4 Interventional Results available

A Research Study to See if a Change in Therapy for HIV Infection Can Improve the Immune Response to Treatment

NCT00145795
View directory record Official record
Conditions
HIV Infections
Interventions
Kaletra + Current Dual NRTI Backbone, Current Regimen
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 3 Interventional

Efficacy of Simplified Two Drug Kaletra Regimen vs. Kaletra Triple Drug Standard of Care Regimen in Treatment naïve HIV Infected Patients

NCT00234910
View directory record Official record
Conditions
HIV Infection
Interventions
Tenofovir DF, lopinavir/ritonavir with 2 Nucleoside RTIs
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Abbott Park, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2008 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Phase II/III Trial of Lopinavir/Ritonavir Dosed According to the WHO Pediatric Weight Band Dosing Guidelines

NCT01172535
View directory record Official record
Conditions
HIV
Interventions
Lopinavir/ritonavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Weeks and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 2, 2026, 2:20 PM 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 21, 2020 · Synced Sep 2, 2026, 2:20 PM EDT
Completed No phase listed Observational

Effect of the Atazanavir (ATV) 150L Mutation on Subsequent Treatment Response in HIV Infected Subjects

NCT00096746
View directory record Official record
Conditions
HIV Infection
Interventions
LPV/RTV + 2NRTIs
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
13
States / cities
Phoenix, Arizona • Altamonte Springs, Florida • Fort Lauderdale, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2011 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Lopinavir/Ritonavir Tablets Versus Soft Gel Capsules and Once Daily Versus Twice Daily Administration, When Coadministered With Nucleoside Reverse Transcriptase Inhibitors in Antiretroviral Naive Human Immunodeficiency Virus Type 1 Infected Subjects

NCT00262522
View directory record Official record
Conditions
Human Immunodeficiency Virus Infections
Interventions
lopinavir/ritonavir (LPV/r) (tablet or capsule) with nucleoside reverse transcriptase inhibitors (NRTIs)
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
664 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
30
States / cities
Phoenix, Arizona • Beverly Hills, California • Fountain Valley, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2012 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 4 Interventional Results available

Lopinavir/r or Fosamprenavir/r Switch to Atazanavir/r or Darunavir/r

NCT00756730
View directory record Official record
Conditions
HIV Infections
Interventions
ATV/r, DRV/r
Drug
Lead sponsor
Community Research Initiative of New England
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
11
States / cities
Phoenix, Arizona • Los Angeles, California • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2017 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From Regimens Consisting of a Ritonavir-boosted Protease Inhibitor Plus Emtricitabine/Tenofovir Fixed-Dose Combination to the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir DF Single-Tablet Regimen in Virologically Suppressed, HIV-1 Infected Patients

NCT01475838
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
PI, RTV, FTC/TDF, Stribild
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
45
States / cities
Phoenix, Arizona • Beverly Hills, California • Hayward, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Sep 2, 2026, 2:20 PM EDT
Completed Phase 3 Interventional Results available

Roll-Over Protocol To Provide Atv And/Or Truvada For Extended Access

NCT01003990
View directory record Official record
Conditions
HIV
Interventions
Atazanavir, Atazanavir/Ritonavir, Tenofovir/Emtricitabine, Lopinavir/ritonavir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
16 Years and older
Enrollment
710 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Sep 2, 2026, 2:20 PM EDT