{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ethambutol&page=2", "query": { "intervention": "ethambutol", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ethambutol&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-25T22:21:10.479Z", "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": "2026-09-25T22:21:10.479Z", "location_count": 1, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02563327" }, { "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": "2026-09-25T22:21:10.479Z", "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": "NCT00001047", "title": "Study of Four Different Treatment Approaches for Patients Who Have Mycobacterium Avium Complex Disease (MAC) Plus AIDS", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Mycobacterium Avium-intracellulare Infection", "HIV Infections" ], "interventions": [ { "name": "Ethambutol hydrochloride", "type": "DRUG" }, { "name": "Clarithromycin", "type": "DRUG" }, { "name": "Clofazimine", "type": "DRUG" }, { "name": "Rifabutin", "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": 400, "start_date": null, "completion_date": "1996-08", "has_results": false, "last_update_posted_date": "2021-11-04", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 16, "location_summary": "San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 12 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00001047" }, { "nct_id": "NCT05766267", "title": "Short-course Regimens for the Treatment of Pulmonary Tuberculosis", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Tuberculosis, Pulmonary", "Tuberculosis Infection" ], "interventions": [ { "name": "Rifabutin", "type": "DRUG" }, { "name": "Delamanid", "type": "DRUG" }, { "name": "Bedaquiline", "type": "DRUG" }, { "name": "Moxifloxacin", "type": "DRUG" }, { "name": "Pyrazinamide", "type": "DRUG" }, { "name": "Isoniazid", "type": "DRUG" }, { "name": "Rifampin", "type": "DRUG" }, { "name": "Ethambutol", "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": 288, "start_date": "2023-11-21", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-09-21", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT05766267" }, { "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": "2026-09-25T22:21:10.479Z", "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": "NCT00002331", "title": "The Safety and Effectiveness of Clarithromycin Plus Ethambutol Used With or Without Clofazimine in the Treatment of MAC in Patients With AIDS", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Mycobacterium Avium-intracellular Infection", "HIV Infections" ], "interventions": [ { "name": "Ethambutol hydrochloride", "type": "DRUG" }, { "name": "Clarithromycin", "type": "DRUG" }, { "name": "Clofazimine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abbott", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": null, "start_date": "1994-01", "completion_date": "1995-03", "has_results": false, "last_update_posted_date": "2015-01-16", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 17, "location_summary": "Los Angeles, California • Sacramento, California • San Francisco, California + 13 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Jose", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002331" }, { "nct_id": "NCT04677569", "title": "Study to Evaluate ALIS (Amikacin Liposome Inhalation Suspension) in Participants With Nontuberculous Mycobacterial Lung Infection Caused by Mycobacterium Avium Complex", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Mycobacterium Infections, Nontuberculous" ], "interventions": [ { "name": "ALIS", "type": "DRUG" }, { "name": "Azithromycin", "type": "DRUG" }, { "name": "Ethambutol", "type": "DRUG" }, { "name": "ELC (matching placebo for ALIS)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Insmed Incorporated", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 425, "start_date": "2021-04-01", "completion_date": "2026-01-15", "has_results": false, "last_update_posted_date": "2026-02-03", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 90, "location_summary": "Birmingham, Alabama • Fresno, California • Los Angeles, California + 71 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Fresno", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Newport Beach", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04677569" }, { "nct_id": "NCT00001058", "title": "A Comparison of Three Drug Combinations Containing Clarithromycin in the Treatment of Mycobacterium Avium Complex (MAC) Disease in Patients With AIDS", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Mycobacterium Avium-intracellulare Infection", "HIV Infections" ], "interventions": [ { "name": "Indinavir sulfate", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Ethambutol hydrochloride", "type": "DRUG" }, { "name": "Clarithromycin", "type": "DRUG" }, { "name": "Rifabutin", "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": 246, "start_date": null, "completion_date": "1999-01", "has_results": false, "last_update_posted_date": "2021-11-01", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 33, "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 19 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00001058" }, { "nct_id": "NCT00023374", "title": "TBTC Study 24: Intermittent Treatment of TB With Isoniazid Resistance or Intolerance", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Tuberculosis" ], "interventions": [ { "name": "Rifampin", "type": "DRUG" }, { "name": "Pyrazinamide", "type": "DRUG" }, { "name": "Ethambutol", "type": "DRUG" }, { "name": "REZ", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "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": 98, "start_date": "2000-08", "completion_date": "2010-12", "has_results": false, "last_update_posted_date": "2011-08-03", "last_synced_at": "2026-09-25T22:21:10.479Z", "location_count": 20, "location_summary": "Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00023374" }, { "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": "2026-09-25T22:21:10.479Z", "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" } ] }