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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: lopinavir/ritonavir dosage #2 Clear all
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 28, 2026, 6:09 PM EDT
Terminated No phase listed Observational Results available

Pharmacokinetic Properties of Antiretroviral and Anti-Tuberculosis Drugs During Pregnancy and Postpartum

NCT04518228
View directory record Official record
Conditions
HIV, Tuberculosis
Interventions
Bictegravir (BIC), Tenofovir alafenamide (TAF), Long-acting injectable formulation of cabotegravir (CAB LA), Dolutegravir (DTG), Atazanavir/ritonavir (ATV/r), Darunavir/ritonavir (DRV/r), Lopinavir/ritonavir (LPV/r), Cobicistat, Ritonavir, First-Line TB Treatment, Second-Line TB Treatment, Doravirine (DOR)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
13
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Switching From Regimens of ABC/3TC + a 3rd Agent to E/C/F/TAF Fixed-Dose Combination (FDC) in Virologically-Suppressed HIV 1 Infected Adults

NCT02605954
View directory record Official record
Conditions
HIV-1 Infection
Interventions
E/C/F/TAF, ABC/3TC, Third Antiretroviral Agent
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Sep 28, 2026, 6:09 PM EDT
Recruiting Phase 3 Interventional

Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia

NCT02735707
View directory record Official record
Conditions
Community-acquired Pneumonia, Influenza, COVID-19
Interventions
Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
Drug · Other · Biological + 1 more
Lead sponsor
UMC Utrecht
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
11
States / cities
Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching to Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (E/C/F/TAF) Fixed Dose Combination (FDC) in Virologically-Suppressed HIV-1 Infected Adults Harboring the Archived Isolated NRTI Resistance Mutation M184V/M184I

NCT02616029
View directory record Official record
Conditions
HIV-1 Infection
Interventions
E/C/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
3
States / cities
Ft. Pierce, Florida • Orlando, Florida • West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study Between Eltrombopag and Lopinavir/Ritonavir in Healthy Adult Subjects.

NCT00833378
View directory record Official record
Conditions
Hepatitis C
Interventions
Eltrombopag, Lopinavir/Ritonavir, Eltrombopag and Lopinavir/Ritonavir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Results available

Cyclosporine A in Combination With Abacavir Sulfate, Lamivudine, and Zidovudine and Lopinavir/Ritonavir in HIV

NCT00084149
View directory record Official record
Conditions
HIV Infections
Interventions
Abacavir sulfate, Lamivudine, and Zidovudine, Lopinavir/Ritonavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
4
States / cities
Minneapolis, Minnesota • New York, New York • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 1Phase 2 Interventional

Safety of Saquinavir and High Doses of Lopinavir/Ritonavir in Children With HIV

NCT00084058
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/ritonavir, Saquinavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
13
States / cities
Birmingham, Alabama • Long Beach, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacokinetic Interactions Between Buprenorphine and Kaletra (Lopinavir/Ritonavir)

NCT00571961
View directory record Official record
Conditions
HIV Infections
Interventions
Kaletra (lopinavir/ritonavir), buprenorphine, Clinical evaluations/Blood draws
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Results available

Lopinavir/Ritonavir (Kaletra) PK in Children

NCT00810108
View directory record Official record
Conditions
HIV/AIDS Treatment, HIV Infections
Interventions
lopinavir/ritonavir (Kaletra®) tablets
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Years to 17 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
San Diego, California • Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 5, 2012 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Not applicable Interventional Results available

Metabolic Effects of Switching Kaletra to Boosted Reyataz

NCT00413153
View directory record Official record
Conditions
HIV Infections
Interventions
atazanavir/ritonavir, lopinavir/ritonavir
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Results available

Interventions for HIV Negative Men and Women Who Have High-risk Suspected Exposure to HIV

NCT00949234
View directory record Official record
Conditions
HIV Prevention, HIV Infections
Interventions
tenofovir + emtricitabine, lopinavir/ritonavir
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2017 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 2 Interventional

Comparing Standard-Dose Versus Adjusted-Dose Lopinavir/Ritonavir Therapy in HIV-Infected Persons With Drug Resistance

NCT00046033
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/ritonavir, Ritonavir, Saquinavir, Tenofovir disoproxil fumarate, Amprenavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
Miami, Florida • Honolulu, Hawaii • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2011 · Synced Sep 28, 2026, 6:09 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 28, 2026, 6:09 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 28, 2026, 6:09 PM 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 9, 2022 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Preventing Sexual Transmission of HIV With Anti-HIV Drugs

NCT00074581
View directory record Official record
Conditions
HIV Infections
Interventions
Atazanavir, Didanosine, Efavirenz, Emtricitabine/Tenofovir disoproxil fumarate, Lamivudine, Lopinavir/Ritonavir, Nevirapine, Stavudine, Tenofovir disoproxil fumarate, Zidovudine/Lamivudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
3,526 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of the HIV Protease Inhibitors Atazanavir and Lopinavir/Ritonavir on Cardiovascular Disease Risk Factors

NCT00720590
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Atazanavir, Lopinavir/ritonavir, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CiPA Phase 1 ECG Biomarker Validation Study

NCT03070470
View directory record Official record
Conditions
Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
Interventions
Ranolazine, Verapamil, Lopinavir / Ritonavir, Chloroquine, Placebo, Dofetilide and Diltiazem
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 28, 2026, 6:09 PM EDT
Terminated Phase 4 Interventional Results available

Immune Reconstitution of Lopinavir/Ritonavir-Based vs Efavirenz-based HAART in Advanced HIV Disease

NCT00775606
View directory record Official record
Conditions
Acquired Immune Deficiency Syndrome
Interventions
Lopinavir 400 mg/ritonavir 100 mg, Efavirenz
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
4
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Sep 28, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

First in Human Study of TLC-ART 101 (ACTU 2001)

NCT05850728
View directory record Official record
Conditions
Human Immunodeficiency Virus, Treatment, Antiretroviral Therapy
Interventions
TLC-ART
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 28, 2026, 6:09 PM EDT
Recruiting Phase 1 Interventional

Lopinavir/Ritonavir in PLWH With High-Grade AIN

NCT05334004
View directory record Official record
Conditions
High-Grade Anal Intraepithelial Neoplasia
Interventions
Lopinavir / Ritonavir
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 28, 2026, 6:09 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 28, 2026, 6:09 PM 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 13, 2023 · Synced Sep 28, 2026, 6:09 PM EDT