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ClinicalTrials.gov public records Last synced Oct 14, 2026, 9:54 PM EDT

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Showing 241–264 of 337 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Protease Inhibitors Clear all
Completed Phase 2 Interventional Results available

Ledipasvir/Sofosbuvir Fixed-Dose Combination With Ribavirin or GS-9669 in Subjects With Chronic Genotype 1 HCV Infection

NCT01984294
View directory record Official record
Conditions
Chronic HCV Infection
Interventions
LDV/SOF, RBV, GS-9669
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 14, 2026, 9:54 PM EDT
Terminated Phase 3 Interventional Results available

Alisporivir With PEG and RBV in Protease Inhibitor (PI) Treatment Failure Patients With Chronic Hepatitis C

NCT01500772
View directory record Official record
Conditions
Hepatitis C
Interventions
Alisporivir, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
Debiopharm International SA
Industry
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
26
States / cities
Phoenix, Arizona • Bakersfield, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2016 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 3 Interventional

A Phase IIIb Study Comparing Two Boosted Protease Inhibitor-based HAART Regimens in HIV-infected Patients Experiencing Their First Virologic Failure While Receiving an NNRTI-containing HAART Regimen

NCT00135395
View directory record Official record
Conditions
HIV Infections
Interventions
Atazanavir+ritonavir, Lopinavir+ritonavir
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
52
States / cities
Hobson City, Alabama • Montgomery, Alabama • Phoenix, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2010 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Not applicable Interventional

A Study of Indinavir Sulfate Given Together With Stavudine to HIV-Positive Patients

NCT00002354
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Stavudine
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Whitehouse Station, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Recruiting No phase listed Observational

SCOPE: Observational Study of the Consequences of the Protease Inhibitor Era

NCT00187512
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2033
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2 Interventional

Combination Treatment Using Capravirine (AG1549), Nelfinavir, and Two Nucleoside Reverse Transcriptase Inhibitors in HIV Patients Who Failed Initial Combination Therapy

NCT00004985
View directory record Official record
Conditions
HIV Infections
Interventions
Capravirine, Nelfinavir mesylate
Drug
Lead sponsor
Agouron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
33
States / cities
Phoenix, Arizona • Beverly Hills, California • Palm Springs, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Study to Assess Safety and PK of Liquid Alpha₁-Proteinase Inhibitor (Human) in Treating Alpha₁-Antitrypsin Deficiency

NCT02282527
View directory record Official record
Conditions
Alpha₁-Antitrypsin Deficiency
Interventions
Liquid Alpha₁-PI, Prolastin-C
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
6
States / cities
Denver, Colorado • Gainesville, Florida • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2 Interventional

Dual Boosted - Protease Inhibitor (PI) Pharmacokinetics (PK) Trial (Tipranavir / Ritonavir) in Highly Treatment-experienced HIV-1 Infected Patients

NCT00056641
View directory record Official record
Conditions
HIV Infections
Interventions
tipranavir, ritonavir, saquinavir, amprenavir, lopinavir
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
34
States / cities
Phoenix, Arizona • Berkeley, California • Fountain Valley, California + 28 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2023 · Synced Oct 14, 2026, 9:54 PM EDT
Completed No phase listed Observational

Blood Vessel Function in HIV-Infected Patients Taking Anti-HIV Drugs

NCT00050908
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
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • Honolulu, Hawaii + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Oct 14, 2026, 9:54 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 Nov 1, 2021 · Synced Oct 14, 2026, 9:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of Genes Associated With Lung Disease in Patients With Rheumatoid Arthritis

NCT00001885
View directory record Official record
Conditions
Healthy, Pulmonary Fibrosis, Rheumatoid Arthritis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 3 Interventional

A Study of the Effects of Amprenavir, a Protease Inhibitor, on Carbohydrate and Fat Metabolism in HIV-Infected Patients

NCT00002245
View directory record Official record
Conditions
HIV Infections
Interventions
Abacavir sulfate, Amprenavir, Lamivudine
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 1 Interventional

Stereotactic Radiation, Nelfinavir Mesylate & Neoadjuvant Chemotherapy in Locally Advanced Pancreatic Cancer

NCT01068327
View directory record Official record
Conditions
Adenocarcinoma of the Pancreas, Stage III Pancreatic Cancer
Interventions
gemcitabine hydrochloride, leucovorin calcium, fluorouracil, nelfinavir mesylate, stereotactic body radiation therapy, hypofractionated radiation therapy, therapeutic conventional surgery
Drug · Radiation · Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 14, 2026, 9:54 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Upamostat, a Serine Protease Inhibitor, or Placebo for Treatment of COVID-19 Disease

NCT04723537
View directory record Official record
Conditions
Covid19
Interventions
Part A: Upamostat 200 mg, Part A: Upamostat 400 mg, Part A and B: Placebo, Part B: Upamostat 200 or 400 mg
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
11
States / cities
Cutler Bay, Florida • Hialeah, Florida • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug Interactions of Echinacea, Ginseng, and Ginkgo Biloba Taken With Lopinavir/Ritonavir in Healthy Volunteers

NCT00103012
View directory record Official record
Conditions
Healthy
Interventions
Gingko Biloba, Echinacea purpurea, Panax ginseng
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 14, 2026, 9:54 PM EDT
Not listed Phase 2 Interventional

Emtricitabine Given Once A Day With Other Anti-HIV Drugs in Children With HIV

NCT00017992
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/Ritonavir, Emtricitabine, Stavudine
Drug
Lead sponsor
Triangle Pharmaceuticals
Industry
Eligibility
3 Months to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
8
States / cities
Los Angeles, California • Jacksonville, Florida • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Not applicable Interventional

A Study of Ritonavir (ABT-538) When Used With Nelfinavir in HIV-Infected Patients

NCT00002201
View directory record Official record
Conditions
HIV Infections
Interventions
Ritonavir, Nelfinavir mesylate
Drug
Lead sponsor
Abbott
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2009 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2Phase 3 Interventional

Amprenavir/Ritonavir or Saquinavir/Ritonavir in HIV-Infected Subjects Following Failure With Kaletra as Their Second Protease Inhibitor

NCT00038519
View directory record Official record
Conditions
HIV Infections
Interventions
Amprenavir/ritonavir, Saquinavir/ritonavir
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
23
States / cities
Phoenix, Arizona • Los Angeles, California • Denver, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2006 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2 Interventional

Changing to Nonprotease Inhibitor Treatment to Improve Side Effects

NCT00021463
View directory record Official record
Conditions
HIV Infections, Lipodystrophy
Interventions
Abacavir sulfate, Lamivudine and Zidovudine, Abacavir sulfate, Efavirenz, Nevirapine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
342 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
11
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2011 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2 Interventional

A Study of the Safety and Effectiveness of Hydroxyurea in Patients on Potent Antiretroviral Therapy and Who Have Less Than 200 Copies/ml of HIV RNA in Their Blood

NCT00000916
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Hydroxyurea, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
34
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2 Interventional

A Phase II Open-Label Exploratory Study of Saquinavir + Zidovudine + Lamivudine in HIV Infected Patients

NCT00002190
View directory record Official record
Conditions
HIV Infections
Interventions
Saquinavir, Lamivudine, Zidovudine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
San Francisco, California • Sherman Oaks, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Therapy to Elevate CD4 Counts in HIV-1 Disease

NCT01370018
View directory record Official record
Conditions
HIV Disease
Interventions
alpha-1-Proteinase Inhibitor
Biological
Lead sponsor
Institute for Human Genetics and Biochemistry
Other
Eligibility
30 Years to 70 Years · Male only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 14, 2026, 9:54 PM EDT
Not listed Phase 2 Interventional

The Safety and Effectiveness of Indinavir Plus Ritonavir Plus Two NRTIs in HIV-Infected Patients Who Need Early Intervention Treatment

NCT00005118
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Ritonavir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
40
States / cities
Beverly Hills, California • Long Beach, California • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 14, 2026, 9:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects on the Immune System of Anti-HIV Drugs in Patients Recently Infected With HIV

NCT00001119
View directory record Official record
Conditions
HIV Infections
Interventions
Tetanus Toxoid Vaccine, Indinavir sulfate, Lamivudine/Zidovudine, Ritonavir, Abacavir sulfate, Amprenavir, Efavirenz, Hepatitis B Vaccine (Recombinant), Lamivudine, Zidovudine
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1999
U.S. locations
11
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2011 · Synced Oct 14, 2026, 9:54 PM EDT