{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=3",
    "query": {
      "intervention": "Atazanavir+ritonavir",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 107,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T09:17:50.872Z",
  "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": "NCT00413153",
      "title": "Metabolic Effects of Switching Kaletra to Boosted Reyataz",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "atazanavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 15,
      "start_date": "2006-05",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2010-03-09",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00413153"
    },
    {
      "nct_id": "NCT01106586",
      "title": "Study to Evaluate the Safety and Efficacy of Stribild Versus Ritonavir-Boosted Atazanavir Plus Truvada in Human Immunodeficiency Virus, Type 1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Stribild",
          "type": "DRUG"
        },
        {
          "name": "ATV",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "Stribild Placebo",
          "type": "DRUG"
        },
        {
          "name": "ATV Placebo",
          "type": "DRUG"
        },
        {
          "name": "RTV Placebo",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF 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": 708,
      "start_date": "2010-04",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2015-11-11",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 86,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 57 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01106586"
    },
    {
      "nct_id": "NCT00878306",
      "title": "Disulfiram Interactions With HIV Medications: Clinical Implications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Drug Abuse"
      ],
      "interventions": [
        {
          "name": "Disulfiram",
          "type": "DRUG"
        },
        {
          "name": "Disulfiram + Efavirenz",
          "type": "DRUG"
        },
        {
          "name": "Disulfiram + Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Disulfiram + Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2008-11",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2014-05-06",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00878306"
    },
    {
      "nct_id": "NCT00665847",
      "title": "TMC125-TiDP35-C213: Safety and Antiviral Activity of Etravirine (TMC125) in Treatment-Experienced, HIV Infected Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV-1"
      ],
      "interventions": [
        {
          "name": "Etravirine (TMC125)",
          "type": "DRUG"
        },
        {
          "name": "Optimized background regimen (OBR)",
          "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": 103,
      "start_date": "2008-11",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2015-04-23",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 13,
      "location_summary": "Mobile, Alabama • Los Angeles, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665847"
    },
    {
      "nct_id": "NCT00135395",
      "title": "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",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanavir+ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir+ritonavir",
          "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": 200,
      "start_date": "2004-05",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2010-02-05",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 52,
      "location_summary": "Hobson City, Alabama • Montgomery, Alabama • Phoenix, Arizona + 49 more",
      "locations": [
        {
          "city": "Hobson City",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135395"
    },
    {
      "nct_id": "NCT00135434",
      "title": "Effect of HIV Protease Inhibitor Drugs on Glucose and Insulin Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanavir/Ritonavir/Lopinavir/ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2004-09",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2011-04-08",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 1,
      "location_summary": "Hamilton, New Jersey",
      "locations": [
        {
          "city": "Hamilton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135434"
    },
    {
      "nct_id": "NCT01252940",
      "title": "Study to Evaluate Switching From Regimens Consisting of a Ritonavir-boosted Protease Inhibitor (PI) and Two Nucleoside Reverse Transcriptase Inhibitors (NRTIs) to a Fixed-dose Tablet Containing Emtricitabine/Rilpivirine/Tenofovir DF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "FTC/RPV/TDF",
          "type": "DRUG"
        },
        {
          "name": "PI",
          "type": "DRUG"
        },
        {
          "name": "RTV",
          "type": "DRUG"
        },
        {
          "name": "NRTIs",
          "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": 482,
      "start_date": "2010-11",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2015-12-04",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01252940"
    },
    {
      "nct_id": "NCT00357188",
      "title": "Dose Finding Confirmation of Atazanavir With Ritonavir and Efavirenz (ATV/RTV + EFV) in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Protease Inhibitor"
      ],
      "interventions": [
        {
          "name": "Atazanavir Sulphate + Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir Sulphate + Ritonavir + Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 22,
      "start_date": "2006-07",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2011-04-08",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 1,
      "location_summary": "Hamilton, New Jersey",
      "locations": [
        {
          "city": "Hamilton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00357188"
    },
    {
      "nct_id": "NCT00762892",
      "title": "Raltegravir vs. Atazanavir in Combination With Truvada® for the Treatment of Antiretroviral naïve HIV Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Raltegravir and truvada",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir, Norvir and Truvada",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2009-01",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2015-01-05",
      "last_synced_at": "2026-10-02T09:17:50.872Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762892"
    },
    {
      "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": "2026-10-02T09:17:50.872Z",
      "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"
    }
  ]
}