{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efavirenz+600+mg", "query": { "intervention": "Efavirenz 600 mg" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 65, "total_pages": 7, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efavirenz+600+mg&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-28T23:57:29.683Z", "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": "NCT00399685", "title": "Drug Interaction - Oral Contraceptive", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Ortho Tri-Cyclen LO", "type": "DRUG" }, { "name": "Ortho Cyclen", "type": "DRUG" }, { "name": "Ortho Cyclen + Efavirenz", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bristol-Myers Squibb", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "FEMALE", "summary": "18 Years to 45 Years · Female only" }, "enrollment_count": 28, "start_date": "2006-12", "completion_date": "2007-08", "has_results": false, "last_update_posted_date": "2011-04-14", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 2, "location_summary": "San Diego, California • Tacoma, Washington", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "Tacoma", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT00399685" }, { "nct_id": "NCT00118898", "title": "Efavirenz or Atazanavir/Ritonavir Given With Emtricitabine/Tenofovir Disoproxil Fumarate or Abacavir/Lamivudine in HIV Infected Treatment-Naive Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Abacavir/Lamivudine", "type": "DRUG" }, { "name": "Atazanavir", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" }, { "name": "Emtricitabine/Tenofovir disoproxil fumarate", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Abacavir/Lamivudine placebo", "type": "DRUG" }, { "name": "Emtricitabine/Tenofovir disoproxil fumarate placebo", "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": "16 Years", "maximum_age": null, "sex": "ALL", "summary": "16 Years and older" }, "enrollment_count": 1864, "start_date": "2005-09", "completion_date": "2009-11", "has_results": true, "last_update_posted_date": "2018-10-12", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 51, "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 30 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00118898" }, { "nct_id": "NCT00016718", "title": "Safety and Effectiveness of Emtricitabine, Efavirenz, and Didanosine in HIV Infected Children Who Have Taken Few or No Anti-HIV Drugs", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Didanosine (ddI)", "type": "DRUG" }, { "name": "Efavirenz (EFV)", "type": "DRUG" }, { "name": "Emtricitabine (FTC)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "90 Days", "maximum_age": "21 Years", "sex": "ALL", "summary": "90 Days to 21 Years" }, "enrollment_count": 43, "start_date": "2001-08", "completion_date": "2009-01", "has_results": true, "last_update_posted_date": "2021-11-05", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 16, "location_summary": "San Diego, California • San Francisco, California • Aurora, Colorado + 11 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00016718" }, { "nct_id": "NCT02556268", "title": "Interaction With HIV Antiretroviral Agents", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV-DDI" ], "interventions": [ { "name": "Riociguat (Adempas, BAY 63-2521)", "type": "DRUG" }, { "name": "ATRIPLA", "type": "DRUG" }, { "name": "COMPLERA", "type": "DRUG" }, { "name": "STRIBILD", "type": "DRUG" }, { "name": "TRIUMEQ", "type": "DRUG" }, { "name": "Antiretroviral protease inhibitor", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bayer", "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": "2016-02-23", "completion_date": "2016-12-07", "has_results": false, "last_update_posted_date": "2017-12-06", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 2, "location_summary": "Orlando, Florida • Boston, Massachusetts", "locations": [ { "city": "Orlando", "state": "Florida" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT02556268" }, { "nct_id": "NCT00878306", "title": "Disulfiram Interactions With HIV Medications: Clinical Implications", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infections", "Drug Abuse" ], "interventions": [ { "name": "Disulfiram", "type": "DRUG" }, { "name": "Disulfiram + Efavirenz", "type": "DRUG" }, { "name": "Disulfiram + Atazanavir", "type": "DRUG" }, { "name": "Disulfiram + Ritonavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 40, "start_date": "2008-11", "completion_date": "2013-04", "has_results": false, "last_update_posted_date": "2014-05-06", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00878306" }, { "nct_id": "NCT00260078", "title": "Blood Levels of Anti-HIV Drugs Used in Combination Regimens in HIV Infected Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Atazanavir", "type": "DRUG" }, { "name": "Darunavir", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" }, { "name": "Nevirapine", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Tenofovir disoproxil fumarate", "type": "DRUG" }, { "name": "Pharmacokinetic Study", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "8 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "8 Years to 17 Years" }, "enrollment_count": 75, "start_date": "2006-02", "completion_date": "2009-04", "has_results": false, "last_update_posted_date": "2021-11-09", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 21, "location_summary": "Alhambra, California • La Jolla, California • Long Beach, California + 16 more", "locations": [ { "city": "Alhambra", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Torrance", "state": "California" }, { "city": "Hartford", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT00260078" }, { "nct_id": "NCT00414635", "title": "FOTO: Five Consecutive Days on Treatment With Efavirenz, Tenofovir, and Emtricitabine Followed by Two Days Off Treatment Versus Continuous Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Intermitent Dosing", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Community Research Initiative of New England", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 60, "start_date": "2006-08", "completion_date": "2009-12", "has_results": true, "last_update_posted_date": "2017-09-25", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 7, "location_summary": "Washington D.C., District of Columbia • Miami, Florida • Orlando, Florida + 3 more", "locations": [ { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Miami", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Vero Beach", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00414635" }, { "nct_id": "NCT01618305", "title": "Evaluating the Response to Two Antiretroviral Medication Regimens in HIV-Infected Pregnant Women, Who Begin Antiretroviral Therapy Between 20 and 36 Weeks of Pregnancy, for the Prevention of Mother-to-Child Transmission", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Lamivudine/zidovudine", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" }, { "name": "Raltegravir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Westat", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": null, "sex": "FEMALE", "summary": "16 Years and older · Female only" }, "enrollment_count": 408, "start_date": "2013-09-05", "completion_date": "2018-12-11", "has_results": true, "last_update_posted_date": "2020-01-30", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 4, "location_summary": "Fort Lauderdale, Florida • New Orleans, Louisiana • Memphis, Tennessee + 1 more", "locations": [ { "city": "Fort Lauderdale", "state": "Florida" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Memphis", "state": "Tennessee" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT01618305" }, { "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": "2026-09-28T23:57:29.683Z", "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": "NCT00442962", "title": "HIV Treatment Reinitiation in Women Who Received Anti-HIV Drugs to Prevent Mother-to-Child Transmission of HIV", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Efavirenz", "type": "DRUG" }, { "name": "Emtricitabine/Tenofovir disoproxil fumarate", "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": "16 Years", "maximum_age": null, "sex": "FEMALE", "summary": "16 Years and older · Female only" }, "enrollment_count": 54, "start_date": "2007-05", "completion_date": "2010-12", "has_results": true, "last_update_posted_date": "2018-10-12", "last_synced_at": "2026-09-28T23:57:29.683Z", "location_count": 6, "location_summary": "San Diego, California • Boston, Massachusetts • St Louis, Missouri + 3 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "St Louis", "state": "Missouri" }, { "city": "New York", "state": "New York" }, { "city": "The Bronx", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00442962" } ] }