{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ribavirin&page=3", "query": { "intervention": "Placebo Ribavirin", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 84, "total_pages": 9, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ribavirin&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ribavirin&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-08T17:04:47.597Z", "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": "NCT00001123", "title": "A Collaborative Double-Blind Placebo-Controlled Trial of Intravenous Ribavirin As a Treatment for Presumed Hantavirus Pulmonary Syndrome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hantavirus Pulmonary Syndrome" ], "interventions": [ { "name": "Ribavirin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 130, "start_date": null, "completion_date": "2005-11", "has_results": false, "last_update_posted_date": "2010-08-27", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT00001123" }, { "nct_id": "NCT01183169", "title": "Efficacy and Safety of Adding Alisporivir (DEB025) to Peginterferon (IFN) Alfa-2a (Peg-IFN Alfa-2a) and Ribavirin in Chronic HCV Genotype 1 Patients Who Relapsed or Did Not Respond to Previous Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Alisporivir", "type": "DRUG" }, { "name": "Peginterferon alfa-2a", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Debiopharm International SA", "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": 459, "start_date": "2010-08", "completion_date": "2013-05", "has_results": true, "last_update_posted_date": "2016-08-25", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 18, "location_summary": "San Diego, California • Ventura, California • Bradenton, Florida + 13 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Ventura", "state": "California" }, { "city": "Bradenton", "state": "Florida" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01183169" }, { "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": "2026-10-08T17:04:47.597Z", "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": "NCT01323244", "title": "A Study of TMC435 in Combination With Peginterferon Alfa-2A and Ribavirin for Hepatitis C Virus Genotype-1 Infected Patients Who Participated in a Control Group of a TMC435 Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "TMC435", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen R&D Ireland", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 142, "start_date": "2011-12", "completion_date": "2015-03", "has_results": false, "last_update_posted_date": "2016-04-04", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 15, "location_summary": "Bakersfield, California • Los Angeles, California • San Diego, California + 12 more", "locations": [ { "city": "Bakersfield", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Englewood", "state": "Colorado" }, { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01323244" }, { "nct_id": "NCT01265511", "title": "Study of SCY-635, Pegasys and Copegus in Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C Infection" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "SCY-635", "type": "DRUG" }, { "name": "Pegasys", "type": "DRUG" }, { "name": "Copegus", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Scynexis, Inc.", "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": 10, "start_date": "2010-11", "completion_date": "2011-10", "has_results": true, "last_update_posted_date": "2017-08-18", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 3, "location_summary": "San Francisco, California • Durham, North Carolina • San Antonio, Texas", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Durham", "state": "North Carolina" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01265511" }, { "nct_id": "NCT00978497", "title": "Safety, Tolerability, and Antiviral Activity of ANA598 Administered in Combination With Pegylated Interferon and Ribavirin for the Treatment of Genotype-1 Chronic HCV Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HCV Infection" ], "interventions": [ { "name": "placebo", "type": "DRUG" }, { "name": "ANA598", "type": "DRUG" }, { "name": "Peginterferon", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "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": 97, "start_date": "2009-09", "completion_date": "2011-08", "has_results": false, "last_update_posted_date": "2017-03-31", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 20, "location_summary": "Anaheim, California • Los Angeles, California • San Clemente, California + 17 more", "locations": [ { "city": "Anaheim", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Clemente", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00978497" }, { "nct_id": "NCT00874770", "title": "Safety and Efficacy of Daclatasvir (BMS-790052) Plus Standard of Care (Pegylated-interferon Alpha and Ribavirin)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C Infection" ], "interventions": [ { "name": "Daclatasvir", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Peginterferon alpha-2a", "type": "DRUG" }, { "name": "ribavirin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bristol-Myers Squibb", "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": 74, "start_date": "2009-06", "completion_date": "2011-01", "has_results": true, "last_update_posted_date": "2015-10-23", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 11, "location_summary": "Montgomery, Alabama • Aurora, Colorado • New Haven, Connecticut + 7 more", "locations": [ { "city": "Montgomery", "state": "Alabama" }, { "city": "Aurora", "state": "Colorado" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Springfield", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00874770" }, { "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": "2026-10-08T17:04:47.597Z", "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": "NCT01859962", "title": "Study of PPI-668, BI 207127 and Faldaprevir, With and Without Ribavirin, in the Treatment of Chronic Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Hepatitis C" ], "interventions": [ { "name": "PPI-668", "type": "DRUG" }, { "name": "BI 207127 Dose 1", "type": "DRUG" }, { "name": "BI 207127 Dose 2", "type": "DRUG" }, { "name": "Faldaprevir", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "BI 207127 Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Presidio Pharmaceuticals, Inc.", "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": 38, "start_date": "2013-05", "completion_date": "2014-12", "has_results": false, "last_update_posted_date": "2015-11-25", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01859962" }, { "nct_id": "NCT01371578", "title": "Oral Antivirals (GS-5885, Tegobuvir, and/or GS-9451) With Peginterferon Alfa 2a and Ribavirin in Treatment Experienced Subjects With Chronic Genotype 1 Hepatitis C Virus Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "GS-5885 tablet", "type": "DRUG" }, { "name": "GS-9451 tablet", "type": "DRUG" }, { "name": "peginterferon alfa-2a", "type": "BIOLOGICAL" }, { "name": "ribavirin tablet", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 163, "start_date": "2011-07", "completion_date": "2013-03", "has_results": false, "last_update_posted_date": "2014-02-11", "last_synced_at": "2026-10-08T17:04:47.597Z", "location_count": 54, "location_summary": "Dothan, Alabama • Montgomery, Alabama • Beverly Hills, California + 43 more", "locations": [ { "city": "Dothan", "state": "Alabama" }, { "city": "Montgomery", "state": "Alabama" }, { "city": "Beverly Hills", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01371578" } ] }