{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir-boosted+Atazanavir",
    "query": {
      "intervention": "Ritonavir-boosted Atazanavir"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 44,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir-boosted+Atazanavir&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T07:38:27.057Z",
  "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": "NCT00054717",
      "title": "Randomized Evaluation of Strategic Intervention in Multidrug Resistant Patients With Tipranavir (RESIST)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tipranavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir(r)",
          "type": "DRUG"
        },
        {
          "name": "Comparator Protease Inhibitor (CPI)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 630,
      "start_date": "2003-01",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-07-02",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 96,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Berkeley, California + 67 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00054717"
    },
    {
      "nct_id": "NCT02121795",
      "title": "Switch Study to Evaluate F/TAF in HIV-1 Positive Participants Who Are Virologically Suppressed on Regimens Containing FTC/TDF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "F/TAF",
          "type": "DRUG"
        },
        {
          "name": "Allowed third antiretroviral agent",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF Placebo",
          "type": "DRUG"
        },
        {
          "name": "F/TAF Placebo",
          "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": 668,
      "start_date": "2014-05-06",
      "completion_date": "2019-03-01",
      "has_results": true,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 57,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02121795"
    },
    {
      "nct_id": "NCT00708162",
      "title": "Multicenter, Randomized, Double-Blind, Double-Dummy, Phase 3 Study of the Safety and Efficacy of Elvitegravir Versus Raltegravir",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Elvitegravir",
          "type": "DRUG"
        },
        {
          "name": "Raltegravir",
          "type": "DRUG"
        },
        {
          "name": "EVG placebo",
          "type": "DRUG"
        },
        {
          "name": "RAL placebo",
          "type": "DRUG"
        },
        {
          "name": "Background regimen",
          "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": 724,
      "start_date": "2008-07",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2016-05-30",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 94,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 59 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00708162"
    },
    {
      "nct_id": "NCT01605084",
      "title": "Second-line Treatment of HIV-1 With Ritonavir Boosted Atazanavir or Darunavir With an Optimized NRTI Backbone",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Darunavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Optimized NRTI backbone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2012-06-30",
      "completion_date": "2014-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 14,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01605084"
    },
    {
      "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": "2026-09-28T07:38:27.057Z",
      "location_count": 1,
      "location_summary": "Foster City, California",
      "locations": [
        {
          "city": "Foster City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224445"
    },
    {
      "nct_id": "NCT00814879",
      "title": "Pilot Study of a Raltegravir Based NRTI Sparing Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acquired Immune Deficiency Syndrome",
        "AIDS",
        "Human Immunodeficiency Virus",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Raltegravir",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Standard treatment regimen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2009-05",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 5,
      "location_summary": "New Haven, Connecticut • Waterbury, Connecticut • West Haven, Connecticut + 1 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "West Haven",
          "state": "Connecticut"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00814879"
    },
    {
      "nct_id": "NCT01815736",
      "title": "Study to Evaluate Switching From a TDF-Containing Combination Regimen to a TAF-Containing Fixed Dose Combination (FDC) in Virologically-Suppressed, HIV-1 Positive Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "E/C/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "E/C/F/TDF",
          "type": "DRUG"
        },
        {
          "name": "EFV/FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "RTV",
          "type": "DRUG"
        },
        {
          "name": "ATV",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "COBI",
          "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": 1443,
      "start_date": "2013-03-27",
      "completion_date": "2020-04-01",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 91,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 59 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815736"
    },
    {
      "nct_id": "NCT00768989",
      "title": "Phase IIB Pilot of Atazanavir + Raltegravir",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Raltegravir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir/Emtricitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2008-11",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2012-02-24",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • New Haven, Connecticut • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00768989"
    },
    {
      "nct_id": "NCT00445146",
      "title": "Safety of EVG+RTV Administered With Other Antiretroviral Agents for the Treatment of HIV-1 Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "EVG",
          "type": "DRUG"
        },
        {
          "name": "RTV",
          "type": "DRUG"
        },
        {
          "name": "ARV regimen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 192,
      "start_date": "2007-02",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2016-04-25",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 47,
      "location_summary": "Pheonix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 44 more",
      "locations": [
        {
          "city": "Pheonix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00445146"
    },
    {
      "nct_id": "NCT01602822",
      "title": "Safety and Acceptability Study of Non-occupational Prophylaxis (PEP) Following Potential Exposure to HIV",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Tenofovir DF and Emtricitabine; Ritonavir-boosted Atazanavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kenneth H. Mayer, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2012-02",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2025-07-10",
      "last_synced_at": "2026-09-28T07:38:27.057Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602822"
    }
  ]
}