{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%3A+16-week+treatment", "query": { "intervention": "Ribavirin: 16-week treatment" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 29, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%3A+16-week+treatment&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-10T15:42:58.762Z", "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": "NCT01271790", "title": "A Study of Response-Guided Duration of Combination Therapy With GS-9451, Pegasys® and Copegus® With and Without Tegobuvir (GS-9190) in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "Tegobuvir (GS-9190)", "type": "DRUG" }, { "name": "GS-9451", "type": "DRUG" }, { "name": "Pegasys®", "type": "BIOLOGICAL" }, { "name": "Copegus®", "type": "DRUG" }, { "name": "Tegobuvir placebo", "type": "DRUG" }, { "name": "GS-9451 placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 245, "start_date": "2010-10", "completion_date": "2013-09", "has_results": false, "last_update_posted_date": "2014-02-06", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 85, "location_summary": "Dothan, Alabama • Montgomery, Alabama • Phoenix, Arizona + 62 more", "locations": [ { "city": "Dothan", "state": "Alabama" }, { "city": "Montgomery", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01271790" }, { "nct_id": "NCT00991289", "title": "Nitazoxanide Plus Ribavirin and Peginterferon for Therapy of Treatment Naive HCV Genotype 1 and HIV Coinfected Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infection", "Hepatitis C Infection" ], "interventions": [ { "name": "Nitazoxanide (NTZ)", "type": "DRUG" }, { "name": "Pegylated interferon alfa-2a (PEG)", "type": "DRUG" }, { "name": "Ribavirin (RBV)", "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": 68, "start_date": "2010-01", "completion_date": "2012-01", "has_results": true, "last_update_posted_date": "2021-11-04", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 17, "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 12 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "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/NCT00991289" }, { "nct_id": "NCT01604850", "title": "Sofosbuvir + Ribavirin for 12 or 16 Weeks in Treatment Experienced Subjects With Chronic Genotype 2 or 3 HCV Infection (FUSION)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Hepatitis C" ], "interventions": [ { "name": "SOF", "type": "DRUG" }, { "name": "RBV", "type": "DRUG" }, { "name": "Placebo to match SOF", "type": "DRUG" }, { "name": "Placebo to match RBV", "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": 202, "start_date": "2012-06", "completion_date": "2013-05", "has_results": true, "last_update_posted_date": "2014-05-28", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 51, "location_summary": "Coronado, California • Los Angeles, California • San Diego, California + 41 more", "locations": [ { "city": "Coronado", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01604850" }, { "nct_id": "NCT03724149", "title": "Transplanting Hepatitis C Lungs Into Negative Lung Recipients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Lung Diseases" ], "interventions": [ { "name": "Zepatier", "type": "DRUG" }, { "name": "Epclusa", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "67 Years", "sex": "ALL", "summary": "18 Years to 67 Years" }, "enrollment_count": 10, "start_date": "2018-12-12", "completion_date": "2022-12-31", "has_results": true, "last_update_posted_date": "2023-04-14", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT03724149" }, { "nct_id": "NCT01732796", "title": "IFN-free Combination Therapy in HCV-infected Patients Treatment-naive:HCVerso1", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "Ribavirin (RBV)", "type": "DRUG" }, { "name": "BI 201335 (Faldaprevir)", "type": "DRUG" }, { "name": "BI 207127", "type": "DRUG" }, { "name": "Faldaprevir (BI 201335)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Boehringer Ingelheim", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 470, "start_date": "2012-12", "completion_date": "2015-01", "has_results": true, "last_update_posted_date": "2016-04-18", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 24, "location_summary": "Dothan, Alabama • Chula Vista, California • La Mesa, California + 19 more", "locations": [ { "city": "Dothan", "state": "Alabama" }, { "city": "Chula Vista", "state": "California" }, { "city": "La Mesa", "state": "California" }, { "city": "Oceanside", "state": "California" }, { "city": "Poway", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01732796" }, { "nct_id": "NCT00703118", "title": "A Safety and Effectiveness Study of Telaprevir in Chronic, Genotype 1, Hepatitis C Patients That Failed Previous Standard Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "Telaprevir", "type": "DRUG" }, { "name": "Peg-IFN-alfa-2a", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Tibotec BVBA", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 663, "start_date": "2008-10", "completion_date": "2010-07", "has_results": true, "last_update_posted_date": "2014-01-22", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 31, "location_summary": "Birmingham, Alabama • Coronado, California • La Jolla, California + 28 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Coronado", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00703118" }, { "nct_id": "NCT03702218", "title": "Hepatitis C Positive Donor Into Hepatitis C Negative Recipients", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Direct Acting Antivirals", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Maryland, Baltimore", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 0, "start_date": "2019-07-01", "completion_date": "2019-07-01", "has_results": false, "last_update_posted_date": "2023-05-06", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03702218" }, { "nct_id": "NCT02940496", "title": "Pembrolizumab (MK-3475) in Hepatocellular Carcinoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "BCLC Stage B Hepatocellular Carcinoma", "BCLC Stage C Hepatocellular Carcinoma", "Hepatitis C Infection", "Refractory Liver Carcinoma", "Stage III Hepatocellular Carcinoma AJCC v7", "Stage IIIA Hepatocellular Carcinoma AJCC v7", "Stage IIIB Hepatocellular Carcinoma AJCC v7", "Stage IIIC Hepatocellular Carcinoma AJCC v7", "Stage IV Hepatocellular Carcinoma AJCC v7", "Stage IVA Hepatocellular Carcinoma AJCC v7", "Stage IVB Hepatocellular Carcinoma AJCC v7" ], "interventions": [ { "name": "Elbasvir/Grazoprevir", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Pembrolizumab", "type": "BIOLOGICAL" }, { "name": "Ribavirin", "type": "DRUG" } ], "intervention_types": [ "DRUG", "OTHER", "BIOLOGICAL" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 15, "start_date": "2016-12-09", "completion_date": "2023-08-09", "has_results": true, "last_update_posted_date": "2025-07-15", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02940496" }, { "nct_id": "NCT01225380", "title": "A Study of Response-Guided Duration of Combination Therapy With GS-9190, GS-9256, Pegasys® and Copegus® in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Hepatitis C Infection" ], "interventions": [ { "name": "GS-9190", "type": "DRUG" }, { "name": "GS-9256", "type": "DRUG" }, { "name": "Pegasys®", "type": "BIOLOGICAL" }, { "name": "Copegus®", "type": "DRUG" }, { "name": "GS-9190 placebo", "type": "DRUG" }, { "name": "GS-9256 placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 324, "start_date": "2010-10", "completion_date": "2013-09", "has_results": false, "last_update_posted_date": "2014-01-28", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 36, "location_summary": "Phoenix, Arizona • Anaheim, California • La Jolla, California + 29 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01225380" }, { "nct_id": "NCT01962441", "title": "SOF (Sovaldi®) +RBV for 16 or 24 Weeks and SOF+RBV+Peg-IFN for 12 Weeks in Adults With Genotype 2 or 3 Chronic HCV Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "SOF", "type": "DRUG" }, { "name": "RBV", "type": "DRUG" }, { "name": "Peg-IFN", "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": 601, "start_date": "2013-09-24", "completion_date": "2016-07-07", "has_results": true, "last_update_posted_date": "2017-06-20", "last_synced_at": "2026-10-10T15:42:58.762Z", "location_count": 23, "location_summary": "Riverside, California • San Diego, California • San Francisco, California + 19 more", "locations": [ { "city": "Riverside", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Englewood", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT01962441" } ] }