Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 2, 2026, 4:14 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–38 of 38 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo for ritonavir Clear all
Completed Phase 3 Interventional Results available

Switch Study to Evaluate F/TAF in HIV-1 Positive Participants Who Are Virologically Suppressed on Regimens Containing FTC/TDF

NCT02121795
View directory record Official record
Conditions
HIV-1 Infection
Interventions
FTC/TDF, F/TAF, Allowed third antiretroviral agent, FTC/TDF Placebo, F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
668 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
57
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 40 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 2, 2026, 4:14 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 2, 2026, 4:14 AM EDT
Completed Phase 2 Interventional

A Decentralized, Randomized Phase 2 Efficacy and Safety Study of Nirmatrelvir/Ritonavir in Adults with Long COVID.

NCT05668091
View directory record Official record
Conditions
Long COVID
Interventions
Nirmatrelvir, Ritonavir, Placebo
Drug
Lead sponsor
Harlan M Krumholz
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Results available

Efavirenz or Atazanavir/Ritonavir Given With Emtricitabine/Tenofovir Disoproxil Fumarate or Abacavir/Lamivudine in HIV Infected Treatment-Naive Adults

NCT00118898
View directory record Official record
Conditions
HIV Infections
Interventions
Abacavir/Lamivudine, Atazanavir, Efavirenz, Emtricitabine/Tenofovir disoproxil fumarate, Ritonavir, Abacavir/Lamivudine placebo, Emtricitabine/Tenofovir disoproxil fumarate placebo
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older
Enrollment
1,864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
51
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Escalation Study of GSK2838232 in Healthy Subjects

NCT01802918
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK2838232, Placebo, Ritonavir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Bone, Immunologic, and Virologic Effects of a Antiretroviral Regimen

NCT01400412
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Darunavir, Ritonavir, Tenofovir disoproxil fumarate, Emtricitabine, Placebo for Tenofovir disoproxil fumarate, Placebo for Maraviroc, Maraviroc
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
37
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 2, 2026, 4:14 AM 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 25, 2017 · Synced Oct 2, 2026, 4:14 AM EDT
Not listed Phase 2 Interventional

IRAK 4 Inhibitor (PF-06650833) in Hospitalized Patients With COVID-19 Pneumonia and Exuberant Inflammation.

NCT04933799
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
PF-06650833, Matching Placebo
Drug
Lead sponsor
Giovanni Franchin, M.D, Ph.D
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

A Randomized Study to Evaluate the Safety, Tolerability and Antiviral Activity of ABT-450, ABT-333 and ABT-072

NCT01074008
View directory record Official record
Conditions
Hepatitis C, HCV, Chronic Hepatitis C Infection, Hepatitis C Genotype 1
Interventions
ABT-450, ABT-072, ABT-333, Ritonavir, Peginterferon alpha-2a, Ribavirin, Placebo
Drug · Other
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
25
States / cities
Phoenix, Arizona • Anaheim, California • La Jolla, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2015 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

A Study to Learn About a Repeat 5-Day Treatment With the Study Medicines (Called Nirmatrelvir/Ritonavir) in People 12 Years Old or Older With Return of COVID-19 Symptoms and SARS-CoV-2 Positivity After Finishing Treatment With Nirmatrelvir/Ritonavir

NCT05567952
View directory record Official record
Conditions
COVID-19
Interventions
nirmatrelvir, ritonavir, placebo for nirmatrelvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
436 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
67
States / cities
Mesa, Arizona • Phoenix, Arizona • Surprise, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Trial of Early Therapies During Non-hospitalized Outpatient Window for COVID-19

NCT04372628
View directory record Official record
Conditions
COVID-19
Interventions
Lopinavir/Ritonavir 400 mg/100 mg, Placebo
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
Aurora, Colorado • Boston, Massachusetts • Jackson, Mississippi + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 2, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and PK Study of Single Doses of ABT-450 With and Without Ritonavir to Treat Hepatitis C Virus (HCV) Genotype 1

NCT00850044
View directory record Official record
Conditions
HCV Infection
Interventions
ABT-450, ritonavir, placebo for ABT-450, Placebo for ritonavir
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 55 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Waukegan, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Oct 2, 2026, 4:14 AM EDT
Withdrawn Phase 2 Interventional

A Study to Learn About the Medicine Called Nirmatrelvir Used in Combination With Ritonavir in People With Weakened Immune Systems or at Increased Risk for Poor Outcomes Who Are Hospitalized Due to Severe COVID-19

NCT05545319
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Coronavirus Disease 2019 (COVID-19), Immunocompromised, Hospitalization, Child, Hospitalized
Interventions
Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Cooperstown, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 2, 2026, 4:14 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 2, 2026, 4:14 AM EDT