{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=2",
    "query": {
      "intervention": "Atazanavir+ritonavir",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 107,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atazanavir%2Britonavir&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T01:28:06.219Z",
  "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": "NCT00042289",
      "title": "Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "atazanavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "elvitegravir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "dolutegravir",
          "type": "DRUG"
        },
        {
          "name": "tenofovir alafenamide fumarate (TAF)",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat or ritonavir",
          "type": "DRUG"
        },
        {
          "name": "efavirenz",
          "type": "DRUG"
        },
        {
          "name": "darunavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir/tenofovir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "rifampicin",
          "type": "DRUG"
        },
        {
          "name": "ethambutol",
          "type": "DRUG"
        },
        {
          "name": "isoniazid",
          "type": "DRUG"
        },
        {
          "name": "pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "kanamycin",
          "type": "DRUG"
        },
        {
          "name": "amikacin",
          "type": "DRUG"
        },
        {
          "name": "capreomycin",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "levoflaxacin",
          "type": "DRUG"
        },
        {
          "name": "ofloxacin",
          "type": "DRUG"
        },
        {
          "name": "ethionamide/prothionamide",
          "type": "DRUG"
        },
        {
          "name": "terizidone/cycloserine",
          "type": "DRUG"
        },
        {
          "name": "para-aminosalicylic acid (PAS)",
          "type": "DRUG"
        },
        {
          "name": "high dose INH",
          "type": "DRUG"
        },
        {
          "name": "bedaquiline",
          "type": "DRUG"
        },
        {
          "name": "clofazamine",
          "type": "DRUG"
        },
        {
          "name": "delamanid",
          "type": "DRUG"
        },
        {
          "name": "linezolid",
          "type": "DRUG"
        },
        {
          "name": "pretomanid",
          "type": "DRUG"
        },
        {
          "name": "ethinyl estradiol",
          "type": "DRUG"
        },
        {
          "name": "etonogestrel implant",
          "type": "DRUG"
        },
        {
          "name": "nevirapine",
          "type": "DRUG"
        },
        {
          "name": "amprenavir",
          "type": "DRUG"
        },
        {
          "name": "abacavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "fosamprenavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "didanosine delayed release (Videx® EC)",
          "type": "DRUG"
        },
        {
          "name": "emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "tenofovir",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "tipranavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #4",
          "type": "DRUG"
        },
        {
          "name": "raltegravir",
          "type": "DRUG"
        },
        {
          "name": "etravirine",
          "type": "DRUG"
        },
        {
          "name": "maraviroc",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "tenofovir/atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "rilpivirine",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1578,
      "start_date": "2003-06-09",
      "completion_date": "2020-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042289"
    },
    {
      "nct_id": "NCT00272779",
      "title": "BMS-Reyataz Study in Treatment in Naive Subjects to Compare the Efficacy and Safety Between Boosted Reyataz and Kaletra When in Combination With Fixed Dose Truvada",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "ATV",
          "type": "DRUG"
        },
        {
          "name": "RTV",
          "type": "DRUG"
        },
        {
          "name": "Tenofovi-Emtricitabine (TDF/FTC) tablet",
          "type": "DRUG"
        },
        {
          "name": "LPV",
          "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": 1057,
      "start_date": "2005-11",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2011-05-09",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Laguna Beach, California • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Laguna Beach",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00272779"
    },
    {
      "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": "2026-10-06T01:28:06.219Z",
      "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": "NCT02269917",
      "title": "Study to Evaluate Efficacy and Safety of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (D/C/F/TAF) Regimen Versus Boosted Protease Inhibitor (bPI) Along With Emtricitabine/Tenofovir Disoproxil Fumarate (FTC/TDF) Regimen in Virologically-Suppressed, HIV-1 Infected Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Human Immunodeficiency Virus Type 1"
      ],
      "interventions": [
        {
          "name": "D/C/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "Boosted Protease Inhibitor (bPI)",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen R&D Ireland",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1149,
      "start_date": "2015-03",
      "completion_date": "2020-10",
      "has_results": true,
      "last_update_posted_date": "2021-12-09",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 38,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 35 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02269917"
    },
    {
      "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": "2026-10-06T01:28:06.219Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602822"
    },
    {
      "nct_id": "NCT00384904",
      "title": "Drug Interaction Study of Famotidine and Atazanavir With Ritonavir in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir/Ritonavir + Famotidine",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir/Ritonavir + Tenofovir Disproxil Fumrarate + Famotidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2006-12",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2010-02-05",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 3,
      "location_summary": "Voorhees Township, New Jersey • Chapel Hill, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384904"
    },
    {
      "nct_id": "NCT00242216",
      "title": "\"The Once A Day Protease Inhibitor Regimens\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "ritonavir-boosted atazanavir",
          "type": "DRUG"
        },
        {
          "name": "ritonavir-boosted fosamprenavir",
          "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": 76,
      "start_date": "2004-05",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2014-01-15",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00242216"
    },
    {
      "nct_id": "NCT02386098",
      "title": "Strategy-confirming Study of BMS-955176 to Treat HIV-1 Infected Treatment-experienced Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "BMS-955176",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir (ATV)",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir (RTV)",
          "type": "DRUG"
        },
        {
          "name": "Dolutegravir (DTG)",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir (TDF)",
          "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": 86,
      "start_date": "2015-07-08",
      "completion_date": "2017-06-07",
      "has_results": true,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 16,
      "location_summary": "Beverly Hills, California • Los Angeles, California • Palm Springs, California + 13 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02386098"
    },
    {
      "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": "2026-10-06T01:28:06.219Z",
      "location_count": 1,
      "location_summary": "Hamilton, New Jersey",
      "locations": [
        {
          "city": "Hamilton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135434"
    },
    {
      "nct_id": "NCT00624195",
      "title": "Clinical Trial of CNS-targeted HAART (CIT2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "FDA Approved Antiretroviral Therapy (see list below)",
          "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": 59,
      "start_date": "2007-03",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-06T01:28:06.219Z",
      "location_count": 5,
      "location_summary": "San Diego, California • San Francisco, California • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00624195"
    }
  ]
}