{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pegylated+interferon+%28Peg-IFN%29+alfa-2a&page=2", "query": { "intervention": "pegylated interferon (Peg-IFN) alfa-2a", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 50, "total_pages": 5, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pegylated+interferon+%28Peg-IFN%29+alfa-2a&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pegylated+interferon+%28Peg-IFN%29+alfa-2a&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-10T01:28:26.689Z", "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": "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": "2026-10-10T01:28:26.689Z", "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": "NCT01329978", "title": "Sofosbuvir With Pegylated Interferon and Ribavirin Hepatitis C Virus (HCV) Genotypes 1,4,5,6", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "Sofosbuvir", "type": "DRUG" }, { "name": "RBV", "type": "DRUG" }, { "name": "PEG", "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": 332, "start_date": "2011-03", "completion_date": "2012-08", "has_results": true, "last_update_posted_date": "2014-05-26", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 44, "location_summary": "Montgomery, Alabama • Jonesboro, Arkansas • Anaheim, California + 36 more", "locations": [ { "city": "Montgomery", "state": "Alabama" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Burbank", "state": "California" }, { "city": "Coronado", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01329978" }, { "nct_id": "NCT01446250", "title": "Alisporivir (Deb025) and Boceprevir Triple Therapies in African American Participants Not Previously Treated for Chronic Hepatitis C Genotype 1", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Alisporivir", "type": "DRUG" }, { "name": "Boceprevir", "type": "DRUG" }, { "name": "Peginterferon alfa-2a", "type": "DRUG" }, { "name": "Ribavirin", "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": 8, "start_date": "2011-12", "completion_date": "2013-05", "has_results": true, "last_update_posted_date": "2017-01-16", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 2, "location_summary": "Beverly Hills, California • Baltimore, Maryland", "locations": [ { "city": "Beverly Hills", "state": "California" }, { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01446250" }, { "nct_id": "NCT01448044", "title": "Phase III BMS-790052 Add-On to Peg-Interferon Alfa-2a and Ribavirin in Naive Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "BMS-790052 (NS5A Replication Complex Inhibitor)", "type": "DRUG" }, { "name": "Placebo matching BMS-790052", "type": "DRUG" }, { "name": "Pegylated-interferon alfa 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": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 152, "start_date": "2011-12", "completion_date": "2014-01", "has_results": true, "last_update_posted_date": "2015-10-12", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 4, "location_summary": "San Clemente, California • Worcester, Massachusetts • Providence, Rhode Island + 1 more", "locations": [ { "city": "San Clemente", "state": "California" }, { "city": "Worcester", "state": "Massachusetts" }, { "city": "Providence", "state": "Rhode Island" }, { "city": "Annandale", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01448044" }, { "nct_id": "NCT01467492", "title": "Telaprevir, Peg-IFN-alfa-2a, and RBV in Treatment-Experienced Black/African American and Non-Black/African American Subjects With Genotype 1 Chronic Hepatitis C", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Telaprevir", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Pegylated Interferon Alfa-2a", "type": "BIOLOGICAL" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Vertex Pharmaceuticals Incorporated", "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": 121, "start_date": "2012-01", "completion_date": "2014-05", "has_results": true, "last_update_posted_date": "2015-08-03", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 27, "location_summary": "Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 24 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "San Francisco", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01467492" }, { "nct_id": "NCT00395421", "title": "Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Hepatitis C" ], "interventions": [ { "name": "NM283 plus Peg-IFNα-2a", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 114, "start_date": "2006-10", "completion_date": "2008-08", "has_results": false, "last_update_posted_date": "2010-06-10", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 2, "location_summary": "Atlanta, Georgia • Fairfax, Virginia", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Fairfax", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00395421" }, { "nct_id": "NCT01467479", "title": "A Study to Treat Subjects With Telaprevir, Ribavirin, and Peginterferon Who Are Coinfected With HIV and Hepatitis C Virus (HCV)", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Telaprevir", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Pegylated Interferon Alfa-2a", "type": "BIOLOGICAL" }, { "name": "Highly Active Antiretroviral Therapy (HAART)", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Vertex Pharmaceuticals Incorporated", "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": 185, "start_date": "2011-12", "completion_date": "2014-02", "has_results": true, "last_update_posted_date": "2015-03-17", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 46, "location_summary": "Birmingham, Alabama • Bakersfield, California • Beverly Hills, California + 42 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Bakersfield", "state": "California" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Coronado", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01467479" }, { "nct_id": "NCT01405027", "title": "Impact of Physician Directed Education on Patient Compliance With Hepatitis C Therapy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Chronic Hepatitis C", "Genotype 1" ], "interventions": [ { "name": "Educational Intervention", "type": "PROCEDURE" }, { "name": "Patient education and management skills training", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "Chronic Liver Disease Foundation", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 197, "start_date": "2011-12", "completion_date": "2014-07", "has_results": true, "last_update_posted_date": "2015-01-06", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 43, "location_summary": "Beverly Hills, California • Calabasas, California • Santa Monica, California + 34 more", "locations": [ { "city": "Beverly Hills", "state": "California" }, { "city": "Calabasas", "state": "California" }, { "city": "Santa Monica", "state": "California" }, { "city": "Torrance", "state": "California" }, { "city": "Torrance", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01405027" }, { "nct_id": "NCT02263079", "title": "A Study of Pegylated Interferon Alfa-2A in Combination With Lamivudine or Entecavir Compared With Untreated Control Group in Children With Hepatitis B Envelope Antigen (HBeAg)-Positive Chronic Hepatitis B (CHB) in the Immune-Tolerant Phase", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pediatric Immuno-Tolerant Chronic Hepatitis B" ], "interventions": [ { "name": "Entecavir", "type": "DRUG" }, { "name": "Lamivudine", "type": "DRUG" }, { "name": "Pegylated Interferon Alfa-2A", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "3 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "3 Years to 17 Years" }, "enrollment_count": 62, "start_date": "2014-06-16", "completion_date": "2020-01-29", "has_results": true, "last_update_posted_date": "2020-08-24", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 3, "location_summary": "Kansas City, Missouri • New York, New York • Philadelphia, Pennsylvania", "locations": [ { "city": "Kansas City", "state": "Missouri" }, { "city": "New York", "state": "New York" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02263079" }, { "nct_id": "NCT01054729", "title": "Dose-Ranging Study of Sofosbuvir in Combination With Pegylated Interferon and Ribavirin in Treatment Naïve GT 1 HCV Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Sofosbuvir", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "PEG", "type": "DRUG" }, { "name": "RBV", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "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": 64, "start_date": "2010-01", "completion_date": "2011-08", "has_results": true, "last_update_posted_date": "2014-04-17", "last_synced_at": "2026-10-10T01:28:26.689Z", "location_count": 6, "location_summary": "San Francisco, California • Gainesville, Florida • Orlando, Florida + 3 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Durham", "state": "North Carolina" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01054729" } ] }