{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ethambutol",
    "query": {
      "intervention": "Ethambutol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ethambutol&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:54:02.112Z",
  "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": "NCT02563327",
      "title": "Pharmacokinetic and Pharmacodynamic Study of High-Dose Rifapentine and Moxifloxacin for Treatment of Tuberculosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Rifapentine",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Isoniazid",
          "type": "DRUG"
        },
        {
          "name": "Pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "Ethambutol",
          "type": "DRUG"
        },
        {
          "name": "Pyridoxine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2516,
      "start_date": "2016-01-25",
      "completion_date": "2021-08-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02563327"
    },
    {
      "nct_id": "NCT03941496",
      "title": "Azacytidine During Anti-tuberculosis Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Tuberculosis, Pulmonary"
      ],
      "interventions": [
        {
          "name": "Azacitidine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrew Dinardo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-10",
      "completion_date": "2023-05",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03941496"
    },
    {
      "nct_id": "NCT02024555",
      "title": "Phase II Investigation of Antimycobacterial Therapy on Progressive, Pulmonary Sarcoidosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoidosis; Antimycobacterial Therapy"
      ],
      "interventions": [
        {
          "name": "Levofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Ethambutol",
          "type": "DRUG"
        },
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2014-03",
      "completion_date": "2019-04-01",
      "has_results": true,
      "last_update_posted_date": "2020-07-09",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 6,
      "location_summary": "Albany, New York • Cincinnati, Ohio • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024555"
    },
    {
      "nct_id": "NCT00004736",
      "title": "Effectiveness of Anti-HIV Therapy (HAART) in HIV-Infected Patients With Tuberculosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Nelfinavir mesylate",
          "type": "DRUG"
        },
        {
          "name": "Ethambutol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Isoniazid",
          "type": "DRUG"
        },
        {
          "name": "Pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Rifabutin",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-09-11",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • San Diego, California • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004736"
    },
    {
      "nct_id": "NCT00001033",
      "title": "The Treatment of Tuberculosis in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Ethambutol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Isoniazid",
          "type": "DRUG"
        },
        {
          "name": "Pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "Pyridoxine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Levofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "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": 650,
      "start_date": null,
      "completion_date": "1997-07",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001033"
    },
    {
      "nct_id": "NCT00598897",
      "title": "Use of Clarithromycin and Rifabutin for the Treatment of M. Avium Complex (MAC) Lung Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mycobacterium Avium Complex Lung Disease"
      ],
      "interventions": [
        {
          "name": "clarithromycin, rifabutin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at Tyler",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "1995-08",
      "completion_date": "2017-05-18",
      "has_results": false,
      "last_update_posted_date": "2017-05-23",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 1,
      "location_summary": "Tyler, Texas",
      "locations": [
        {
          "city": "Tyler",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598897"
    },
    {
      "nct_id": "NCT03672630",
      "title": "Comparison of Two- Versus Three-antibiotic Therapy for Pulmonary Mycobacterium Avium Complex Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Mycobacterium Avium Complex",
        "Nontuberculous Mycobacterium Infection"
      ],
      "interventions": [
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Ethambutol",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kevin Winthrop",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 474,
      "start_date": "2019-02-22",
      "completion_date": "2026-01-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 25,
      "location_summary": "Loma Linda, California • San Diego, California • San Francisco, California + 21 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03672630"
    },
    {
      "nct_id": "NCT00001039",
      "title": "Evaluation of Treatment for Mycobacterium Avium Complex (MAC) Infection in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mycobacterium Avium-intracellulare Infection",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Ethambutol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Clarithromycin",
          "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": 24,
      "start_date": null,
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2012-10-31",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Baltimore, Maryland • Camden, New Jersey + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001039"
    },
    {
      "nct_id": "NCT04518228",
      "title": "Pharmacokinetic Properties of Antiretroviral and Anti-Tuberculosis Drugs During Pregnancy and Postpartum",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Bictegravir (BIC)",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir alafenamide (TAF)",
          "type": "DRUG"
        },
        {
          "name": "Long-acting injectable formulation of cabotegravir (CAB LA)",
          "type": "DRUG"
        },
        {
          "name": "Dolutegravir (DTG)",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir/ritonavir (ATV/r)",
          "type": "DRUG"
        },
        {
          "name": "Darunavir/ritonavir (DRV/r)",
          "type": "DRUG"
        },
        {
          "name": "Lopinavir/ritonavir (LPV/r)",
          "type": "DRUG"
        },
        {
          "name": "Cobicistat",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "First-Line TB Treatment",
          "type": "DRUG"
        },
        {
          "name": "Second-Line TB Treatment",
          "type": "DRUG"
        },
        {
          "name": "Doravirine (DOR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 205,
      "start_date": "2021-09-01",
      "completion_date": "2025-07-10",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 13,
      "location_summary": "Los Angeles, California • San Diego, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04518228"
    },
    {
      "nct_id": "NCT02410772",
      "title": "TBTC Study 31: Rifapentine-containing Tuberculosis Treatment Shortening Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "rifapentine",
          "type": "DRUG"
        },
        {
          "name": "rifapentine and moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 2516,
      "start_date": "2016-01-25",
      "completion_date": "2021-05",
      "has_results": true,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-09-04T04:54:02.112Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • New York, New York • Fort Worth, Texas + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410772"
    }
  ]
}