{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=11",
    "query": {
      "intervention": "Ritonavir (rtv)",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 451,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T12:59:13.004Z",
  "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": "NCT00242879",
      "title": "A Dose Ranging Study Of GW640385 Boosted With Ritonavir (Rtv) In Comparison To A RTV-Boosted Protease Inhibitor (PI) In HIV-1 Infected PI-Experienced Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus I",
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "Physician determined comparator PI + ritonavir",
          "type": "DRUG"
        },
        {
          "name": "GW640385 + ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2005-08",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 31,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Fountain Valley, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00242879"
    },
    {
      "nct_id": "NCT00355524",
      "title": "A Phase 2 Study to Evaluate Pharmacokinetics, Safety and Efficacy of TMC114/Ritonavir (Rtv) in Human Immunodeficiency Virus (HIV)-1 Infected Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV-1",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "TMC114",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tibotec Pharmaceuticals, Ireland",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 80,
      "start_date": "2006-06",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2013-07-08",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00355524"
    },
    {
      "nct_id": "NCT02652624",
      "title": "Safety and Efficacy of Switching to a FDC of B/F/TAF From E/C/F/TAF, E/C/F/TDF, or ATV+RTV+FTC/TDF in Virologically Suppressed HIV-1 Infected Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "E/C/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "E/C/F/TDF",
          "type": "DRUG"
        },
        {
          "name": "ATV",
          "type": "DRUG"
        },
        {
          "name": "RTV",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "B/F/TAF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 472,
      "start_date": "2016-02-19",
      "completion_date": "2018-11-26",
      "has_results": true,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 29,
      "location_summary": "Stamford, Connecticut • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 22 more",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Ft. Pierce",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02652624"
    },
    {
      "nct_id": "NCT05668091",
      "title": "A Decentralized, Randomized Phase 2 Efficacy and Safety Study of Nirmatrelvir/Ritonavir in Adults with Long COVID.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Nirmatrelvir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harlan M Krumholz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-04-14",
      "completion_date": "2024-08-21",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05668091"
    },
    {
      "nct_id": "NCT00000822",
      "title": "A Phase I/II Double-Blind Controlled Trial to Determine the Safety and Immunogenicity of HIV-1 MN rgp160 Immuno AG Vaccine Therapy in HIV-Infected Individuals With Greater Than or Equal to 500/mm3 CD4+ T Cells and 200-400/mm3 CD4+ T Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "gp160 Vaccine (Immuno-AG)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 46,
      "start_date": null,
      "completion_date": "1999-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-29",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000822"
    },
    {
      "nct_id": "NCT00002361",
      "title": "Safety and Effectiveness of an Anti-HIV Drug Combination in HIV-Positive Patients Who Have Failed Previous Treatment With Protease Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Miami, Florida • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002361"
    },
    {
      "nct_id": "NCT00855088",
      "title": "Study in Healthy Males to Measure Darunavir and Etravirine in Blood, Seminal Fluid, and Rectal Tissue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV/AIDS",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "darunavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Etravirine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "18 Years to 49 Years · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2009-07",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2011-05-13",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855088"
    },
    {
      "nct_id": "NCT01660477",
      "title": "Drug-drug Interaction Study Between Lopinavir/Ritonavir and Isavuconazole",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacokinetics of Isavuconazole",
        "Pharmacokinetics of Lopinavir/Ritonavir",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Isavuconazole",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 68,
      "start_date": "2012-06",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2015-02-23",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01660477"
    },
    {
      "nct_id": "NCT00781287",
      "title": "Raltegravir (Isentress/MK-0518) and HIV-1 Infected CD4 Cells During Acute/Early HIV-1",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "3-drug anti-HIV therapy",
          "type": "DRUG"
        },
        {
          "name": "Raltegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2009-02",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-08-12",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00781287"
    },
    {
      "nct_id": "NCT00281606",
      "title": "A Multicenter Study to Assess the Tolerability of Once Daily Lopinavir/Ritonavir (LPV/r) Liquid Versus Capsules",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Different formulations of once-daily lopinavir/ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2006-02-14",
      "completion_date": "2012-06-13",
      "has_results": false,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-10-15T12:59:13.004Z",
      "location_count": 5,
      "location_summary": "Irvine, California • Los Angeles, California • San Diego, California + 2 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00281606"
    }
  ]
}