{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=2",
    "query": {
      "intervention": "Ritonavir (rtv)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 451,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28rtv%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T20:56:56.245Z",
  "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": "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": "2026-10-08T20:56:56.245Z",
      "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": "NCT00440947",
      "title": "Induction/Simplification With Atazanavir + Ritonavir + Abacavir/Lamivudine Fixed-Dose Combination In HIV-1 Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus I",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Abacavir (ABC)/lamivudine (3TC) + atazanavir (ATV) + ritonavir (/r)",
          "type": "DRUG"
        },
        {
          "name": "Abacavir (ABC)/lamivudine (3TC) + atazanavir (ATV)",
          "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": 515,
      "start_date": "2007-03",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2012-03-22",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 62,
      "location_summary": "Phoenix, Arizona • Long Beach, California • Los Angeles, California + 43 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00440947"
    },
    {
      "nct_id": "NCT00076999",
      "title": "Pharmacokinetics and Safety Study of Tipranavir in Combination With Low Dose Ritonavir in Human Immunodeficiency Virus (HIV)-Infected Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "TPV oral solution",
          "type": "DRUG"
        },
        {
          "name": "RTV oral solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 115,
      "start_date": "2003-11",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-12",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Hartford, Connecticut • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "North Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076999"
    },
    {
      "nct_id": "NCT02159352",
      "title": "Study Assessing the Effects of Darunavir/Ritonavir or Lopinavir/Ritonavir on the Pharmacokinetics of Daclatasvir in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Darunavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 49,
      "start_date": "2014-06",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-11-30",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02159352"
    },
    {
      "nct_id": "NCT01057433",
      "title": "Drug-Drug Interaction of Lopinavir/Ritonavir on Pitavastatin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Pitavastatin (NK-104)",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/ritonavir",
          "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": 24,
      "start_date": "2010-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2021-06-22",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057433"
    },
    {
      "nct_id": "NCT07597902",
      "title": "SARS-CoV-2 and Herpesvirus Inhibition for Ending Long COVID Dysfunction",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-acute Sequelae of COVID-19",
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Paxlovid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 150,
      "start_date": "2026-06-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07597902"
    },
    {
      "nct_id": "NCT00017992",
      "title": "Emtricitabine Given Once A Day With Other Anti-HIV Drugs in Children With HIV",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Lopinavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Triangle Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Months to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Jacksonville, Florida • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017992"
    },
    {
      "nct_id": "NCT00224445",
      "title": "Boosted Atazanavir and Truvada Given Once-Daily - BATON Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Truvada",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2005-09",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2013-01-10",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 1,
      "location_summary": "Foster City, California",
      "locations": [
        {
          "city": "Foster City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224445"
    },
    {
      "nct_id": "NCT01165645",
      "title": "Lopinavir and Ritonavir in Improving Immune Response to Vaccines in Patients With Complete Remission Following A Bone Marrow Transplant for Hodgkin Lymphoma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hodgkin Lymphoma",
        "Stage I Adult Hodgkin Lymphoma",
        "Stage II Adult Hodgkin Lymphoma",
        "Stage III Adult Hodgkin Lymphoma",
        "Stage IV Adult Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "lopinavir",
          "type": "DRUG"
        },
        {
          "name": "ritonavir",
          "type": "DRUG"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "enzyme-linked immunosorbent assay",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-11",
      "completion_date": "2011-12-14",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01165645"
    },
    {
      "nct_id": "NCT00027339",
      "title": "Using Drug Levels and Drug Resistance Testing to Select Effective Anti-HIV Drug Combinations in Patients With Drug-resistant HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "lopinavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "tenofovir disoproxil fumarate",
          "type": "DRUG"
        },
        {
          "name": "ritonavir",
          "type": "DRUG"
        },
        {
          "name": "fosamprenavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 53,
      "start_date": null,
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-08T20:56:56.245Z",
      "location_count": 13,
      "location_summary": "Los Angeles, California • Palo Alto, California • Sacramento, California + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00027339"
    }
  ]
}