{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=12", "query": { "intervention": "Ritonavir (rtv)", "page": 12 }, "page_size": 10 }, "pagination": { "page": 12, "page_size": 10, "total_count": 451, "total_pages": 46, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=13&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=11&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-15T13:47:55.945Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT00630734", "title": "Genetic Predictors of Variability in the Drug-drug Interaction Between Darunavir/Ritonavir and Pravastatin", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections", "Hyperlipidemia" ], "interventions": [ { "name": "Pravastatin", "type": "DRUG" }, { "name": "Darunavir", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Washout", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "University of Colorado, Denver", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 32, "start_date": "2008-02", "completion_date": "2010-09", "has_results": true, "last_update_posted_date": "2014-05-22", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 1, "location_summary": "Aurora, Colorado", "locations": [ { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT00630734" }, { "nct_id": "NCT00000914", "title": "A Study of the Effectiveness of Different Anti-HIV Treatments in HIV-Positive Individuals Who Have Been on a Protease Inhibitor-Containing Drug Regimen for at Least 16 Weeks", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Indinavir sulfate", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Nelfinavir mesylate", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 800, "start_date": null, "completion_date": "2000-06", "has_results": false, "last_update_posted_date": "2021-10-29", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 15, "location_summary": "San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00000914" }, { "nct_id": "NCT01422369", "title": "Drug-Drug Interaction of Darunavir/Ritonavir on Pitavastatin", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Pitavastatin (NK-104)", "type": "DRUG" }, { "name": "Darunavir/Ritonavir (Prezista)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Kowa Research Institute, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 28, "start_date": "2011-04", "completion_date": "2011-06", "has_results": true, "last_update_posted_date": "2012-07-13", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 1, "location_summary": "Austin, Texas", "locations": [ { "city": "Austin", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01422369" }, { "nct_id": "NCT02461745", "title": "Real World Study: Genotype 1 Chronic Hepatitis C Virus Treatment and Evaluation of Real World SVR and PRO", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "ombitasvir, paritaprevir/r, dasabuvir + ribavirin", "type": "DRUG" }, { "name": "ombitasvir, paritaprevir/r, dasabuvir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Kaiser Permanente", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 200, "start_date": "2015-06", "completion_date": "2017-05", "has_results": true, "last_update_posted_date": "2021-01-22", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 4, "location_summary": "Irvine, California • Los Angeles, California • San Diego, California + 1 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Marcos", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02461745" }, { "nct_id": "NCT00677300", "title": "Raltegravir And Darunavir Antiretroviral in Antiretroviral Naive Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Raltegravir", "type": "DRUG" }, { "name": "Darunavir", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Tenofovir/Emtricitabine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Dallas VA Medical Center", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 85, "start_date": "2009-01", "completion_date": "2012-12", "has_results": false, "last_update_posted_date": "2014-09-08", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 2, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00677300" }, { "nct_id": "NCT00004580", "title": "A Study of ABT-378/Ritonavir Combination in HIV-Infected Patients Who Have Taken Protease Inhibitors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Lopinavir/Ritonavir", "type": "DRUG" }, { "name": "Nevirapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abbott", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": null, "start_date": null, "completion_date": null, "has_results": false, "last_update_posted_date": "2009-02-20", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 10, "location_summary": "Beverly Hills, California • San Francisco, California • Denver, Colorado + 7 more", "locations": [ { "city": "Beverly Hills", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004580" }, { "nct_id": "NCT00006591", "title": "Ritonavir and Agenerase Treatment for Patients Who Have Failed Previous Anti-HIV Treatment", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Ritonavir", "type": "DRUG" }, { "name": "Amprenavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gathe, Joseph, M.D.", "sponsor_class": "INDIV", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": null, "start_date": null, "completion_date": null, "has_results": false, "last_update_posted_date": "2005-06-24", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00006591" }, { "nct_id": "NCT00234910", "title": "Efficacy of Simplified Two Drug Kaletra Regimen vs. Kaletra Triple Drug Standard of Care Regimen in Treatment naïve HIV Infected Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "HIV Infection" ], "interventions": [ { "name": "Tenofovir DF", "type": "DRUG" }, { "name": "lopinavir/ritonavir with 2 Nucleoside RTIs", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abbott", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 152, "start_date": "2005-01", "completion_date": "2008-06", "has_results": false, "last_update_posted_date": "2008-07-10", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 1, "location_summary": "Abbott Park, Illinois", "locations": [ { "city": "Abbott Park", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00234910" }, { "nct_id": "NCT00100984", "title": "A 48 Week Study Comparing Treatment With Saquinavir + Lopinavir/Ritonavir in Combination With Enfuvirtide HAART Versus Saquinavir + Lopinavir/Ritonavir + Other Nucleoside Combinations to See the Efficacy of These Treatments in Patients Infected With HIV-1", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infection" ], "interventions": [ { "name": "FUZEON [enfuvirtide]", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 8, "start_date": "2004-07-21", "completion_date": "2005-07-16", "has_results": false, "last_update_posted_date": "2017-06-20", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 20, "location_summary": "Hobson City, Alabama • Los Angeles, California • Washington D.C., District of Columbia + 13 more", "locations": [ { "city": "Hobson City", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00100984" }, { "nct_id": "NCT00981318", "title": "Pilot Assessment of Lopinavir/Ritonavir and Maraviroc", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections", "Acquired Immunodeficiency Syndrome" ], "interventions": [ { "name": "lopinavir/ritonavir plus maraviroc", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Rodwick, Barry M., M.D.", "sponsor_class": "INDIV", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 3, "start_date": "2009-12", "completion_date": "2015-05", "has_results": false, "last_update_posted_date": "2015-06-23", "last_synced_at": "2026-10-15T13:47:55.945Z", "location_count": 1, "location_summary": "Safety Harbor, Florida", "locations": [ { "city": "Safety Harbor", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00981318" } ] }