{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efavirenz+600+mg&page=3",
    "query": {
      "intervention": "Efavirenz 600 mg",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efavirenz+600+mg&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efavirenz+600+mg&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T01:37:47.719Z",
  "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": "NCT01571414",
      "title": "Evaluating the Safety and Drug Interaction of PA-824, an Investigational Tuberculosis Medication, Together With Efavirenz, Ritonavir-Boosted Lopinavir, or Rifampin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "PA-824",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz (EFV)",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/Ritonavir (LPV/r)",
          "type": "DRUG"
        },
        {
          "name": "Rifampin (RIF)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 52,
      "start_date": "2012-05",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Baltimore, Maryland • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571414"
    },
    {
      "nct_id": "NCT00668395",
      "title": "Effects of CYP2B6 Genetic Polymorphisms on Efavirenz Pharmacokinetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 73,
      "start_date": "2007-05",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00668395"
    },
    {
      "nct_id": "NCT00135343",
      "title": "A Pilot Study of Atazanavir/Ritonavir/Efavirenz as a Nucleoside Sparing Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanvir/ritonavir + efavirenz",
          "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": 60,
      "start_date": "2004-04",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2011-04-14",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Washington D.C., District of Columbia • Atlantis, Florida + 12 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135343"
    },
    {
      "nct_id": "NCT01098526",
      "title": "GSK1349572 Drug Interaction Study With Efavirenz",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infections, Human Immunodeficiency Virus and Herpesviridae"
      ],
      "interventions": [
        {
          "name": "GSK1349572",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "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": 12,
      "start_date": "2010-03-16",
      "completion_date": "2010-05-26",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01098526"
    },
    {
      "nct_id": "NCT01309243",
      "title": "Study to Evaluate the Safety and Efficacy of a Single Tablet Regimen of Emtricitabine/Rilpivirine/Tenofovir Disoproxil Fumarate Compared With a Single Tablet Regimen of Efavirenz/Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "FTC/RPV/TDF",
          "type": "DRUG"
        },
        {
          "name": "EFV/FTC/TDF",
          "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": 799,
      "start_date": "2011-02",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2015-02-25",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 83,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 59 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309243"
    },
    {
      "nct_id": "NCT00162227",
      "title": "An Expanded Access Study of Oral Liquid Efavirenz in the Treatment of Children With HIV Infection",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "3 Years to 16 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-09",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2014-01-09",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "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/NCT00162227"
    },
    {
      "nct_id": "NCT00002235",
      "title": "A Study on the Safety and Effectiveness of Twice-Daily Nelfinavir Plus Twice-Daily Indinavir Plus Efavirenz in HIV-Positive Patients Who Have Never Taken Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs) or Protease Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Nelfinavir mesylate",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 6,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Denver, Colorado • Atlanta, Georgia + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Hampton",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002235"
    },
    {
      "nct_id": "NCT00084136",
      "title": "Prospective Evaluation of Anti-retroviral Combinations for Treatment Naive, HIV Infected Persons in Resource-limited Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Atazanavir",
          "type": "DRUG"
        },
        {
          "name": "Didanosine (enteric-coated)",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine/Tenofovir disoproxil fumarate",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/Zidovudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1571,
      "start_date": "2005-05",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 27,
      "location_summary": "Los Angeles, California • Torrance, California • Denver, Colorado + 16 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084136"
    },
    {
      "nct_id": "NCT00112047",
      "title": "Tenofovir Disoproxil Fumarate/Emtricitabine/Efavirenz Versus Combivir/Efavirenz in Antiretroviral-Naive HIV-1 Infected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Emtricitabine (FTC)",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir Disoproxil Fumarate (TDF)",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz (EFV)",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF/EFV",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/zidovudine",
          "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": 517,
      "start_date": "2003-07",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2010-10-13",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Washington D.C., District of Columbia • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Huntersville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112047"
    },
    {
      "nct_id": "NCT01040091",
      "title": "Evaluation of the Cellular Pharmacology of Tenofovir and Emtricitabine According to HIV Infection Status",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Emtricitabine (FTC)",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir disoproxil fumarate (TDF)",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz (EFV)",
          "type": "DRUG"
        },
        {
          "name": "Truvada",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 34,
      "start_date": "2009-12",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-10-09T01:37:47.719Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01040091"
    }
  ]
}