{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=isoniazid&page=2", "query": { "intervention": "isoniazid", "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=isoniazid&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-25T12:07:30.616Z", "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": "NCT00128206", "title": "Treatment of Latent TB Infection for Jailed Persons", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Tuberculosis" ], "interventions": [ { "name": "Isoniazid", "type": "DRUG" }, { "name": "Rifampin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 364, "start_date": "2004-11", "completion_date": "2009-09", "has_results": true, "last_update_posted_date": "2020-07-21", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00128206" }, { "nct_id": "NCT02771249", "title": "Impact of Once-Weekly Rifapentine and Isoniazid on the Steady State Pharmacokinetics of Dolutegravir and Darunavir Boosted With Cobicistat in Healthy Volunteers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infected Population With Latent Tuberculosis" ], "interventions": [ { "name": "rifapentene (RPT)", "type": "DRUG" }, { "name": "darunavir/cobicistat (DRV/c)", "type": "DRUG" }, { "name": "Isoniazid (INH)", "type": "DRUG" }, { "name": "Pyridoxine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT" ], "sponsor": "National Institutes of Health Clinical Center (CC)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 37, "start_date": "2016-06-03", "completion_date": "2021-08-17", "has_results": false, "last_update_posted_date": "2022-04-18", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02771249" }, { "nct_id": "NCT01287221", "title": "Study of Rifampicin in Multiple System Atrophy", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Multiple System Atrophy" ], "interventions": [ { "name": "Rifampicin", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Phillip Low", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "30 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "30 Years to 80 Years" }, "enrollment_count": 100, "start_date": "2011-03", "completion_date": "2013-01", "has_results": true, "last_update_posted_date": "2014-03-28", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 10, "location_summary": "Los Angeles, California • San Diego, California • Jacksonville, Florida + 7 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT01287221" }, { "nct_id": "NCT00023452", "title": "Three Months of Weekly Rifapentine and Isoniazid for M. Tuberculosis Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Tuberculosis" ], "interventions": [ { "name": "RPT + INH once weekly for 3 months given by DOT", "type": "DRUG" }, { "name": "Isoniazid (INH) daily for 9 months", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Centers for Disease Control and Prevention", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": 8053, "start_date": "2001-06", "completion_date": "2013-09", "has_results": true, "last_update_posted_date": "2024-08-27", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 21, "location_summary": "Little Rock, Arkansas • Los Angeles, California • San Diego, California + 17 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT00023452" }, { "nct_id": "NCT02641106", "title": "VDOT for Monitoring Adherence to LTBI Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Tuberculosis", "Latent Tuberculosis Infection" ], "interventions": [ { "name": "Video Directly Observed Therapy", "type": "OTHER" }, { "name": "In-Person DOT", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 129, "start_date": "2016-03-08", "completion_date": "2020-06-30", "has_results": false, "last_update_posted_date": "2021-02-05", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02641106" }, { "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": "2026-09-25T12:07:30.616Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT05766267" }, { "nct_id": "NCT00000959", "title": "Prophylaxis Against Tuberculosis (TB) in Patients With Human Immunodeficiency Virus (HIV) Infection and Suspected Latent Tuberculous Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "HIV Infections", "Tuberculosis" ], "interventions": [ { "name": "Isoniazid", "type": "DRUG" }, { "name": "Pyridoxine hydrochloride", "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": 600, "start_date": null, "completion_date": "1996-06", "has_results": false, "last_update_posted_date": "2021-11-04", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 14, "location_summary": "Los Angeles, California • San Francisco, California • Denver, Colorado + 10 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Wilmington", "state": "Delaware" } ], "official_url": "https://clinicaltrials.gov/study/NCT00000959" }, { "nct_id": "NCT03510468", "title": "Impact of Weekly Administration of Rifapentine and Isoniazid on Steady State Pharmacokinetics of Tenofovir Alafenamide in Healthy Volunteers (YODA)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy Volunteers" ], "interventions": [ { "name": "Tenofovir alafenamide", "type": "DRUG" }, { "name": "Rifapentine", "type": "DRUG" }, { "name": "Isoniazid (INH)", "type": "DRUG" }, { "name": "Pyridoxine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT" ], "sponsor": "National Institutes of Health Clinical Center (CC)", "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": 51, "start_date": "2018-06-12", "completion_date": "2022-12-21", "has_results": true, "last_update_posted_date": "2024-08-13", "last_synced_at": "2026-09-25T12:07:30.616Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03510468" }, { "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": "2026-09-25T12:07:30.616Z", "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": "2026-09-25T12:07:30.616Z", "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" } ] }