{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+interferon+alfa-2a&page=9", "query": { "intervention": "Pegylated interferon alfa-2a", "page": 9 }, "page_size": 10 }, "pagination": { "page": 9, "page_size": 10, "total_count": 199, "total_pages": 20, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+interferon+alfa-2a&page=10&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+interferon+alfa-2a&page=8&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-14T12:18:25.385Z", "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": "NCT00207311", "title": "Study for the Treatment of Significant Steatosis With Xenical Followed by Treatment of Hepatitis C With Pegasys/Copegus", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Fatty Liver", "Hepatitis C" ], "interventions": [ { "name": "Xenical, Pegasys, Copegus", "type": "DRUG" }, { "name": "Xenicare Program", "type": "BEHAVIORAL" } ], "intervention_types": [ "DRUG", "BEHAVIORAL" ], "sponsor": "Brooke Army Medical Center", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 30, "start_date": "2005-08", "completion_date": "2009-05", "has_results": false, "last_update_posted_date": "2012-02-14", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 1, "location_summary": "Fort Sam Houston, Texas", "locations": [ { "city": "Fort Sam Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00207311" }, { "nct_id": "NCT01718158", "title": "Efficacy and Safety Evaluation of a Regimen Consisting of Peginterferon Lambda-1a + Ribavirin + Daclatasvir (Lambda + RBV + DCV) in HCV Genotype 1b Treatment naïve Patients or Prior Relapsers to Peginterferon Alfa + Ribavirin (Alfa + RBV) Therapy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Peginterferon Lambda-1a", "type": "BIOLOGICAL" }, { "name": "Peginterferon Alfa-2a", "type": "BIOLOGICAL" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Daclatasvir", "type": "DRUG" }, { "name": "Telaprevir", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "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": 444, "start_date": "2013-01", "completion_date": "2014-10", "has_results": false, "last_update_posted_date": "2015-10-09", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 8, "location_summary": "Long Beach, California • Marietta, Georgia • New York, New York + 5 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Marietta", "state": "Georgia" }, { "city": "New York", "state": "New York" }, { "city": "Poughkeepsie", "state": "New York" }, { "city": "Allentown", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01718158" }, { "nct_id": "NCT01482390", "title": "A Study of Mericitabine in Combination With Telaprevir and Peginterferon Alfa-2a / Ribavirin in Participants With Chronic Hepatitis C", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Ribavirin", "type": "DRUG" }, { "name": "Mericitabine", "type": "DRUG" }, { "name": "Peginterferon Alfa-2a", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Telaprevir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 80, "start_date": "2011-11-30", "completion_date": "2014-01-31", "has_results": false, "last_update_posted_date": "2017-04-24", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 15, "location_summary": "Birmingham, Alabama • Long Beach, California • Sacramento, California + 12 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Long Beach", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT01482390" }, { "nct_id": "NCT01795911", "title": "Safety Study of Pegylated Interferon Lambda Plus Single or 2 Direct Antiviral Agents With Ribavirin", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Pegylated Interferon Lambda", "type": "BIOLOGICAL" }, { "name": "Ribasphere", "type": "DRUG" }, { "name": "Daclatasvir", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "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": 165, "start_date": "2013-03", "completion_date": "2014-09", "has_results": false, "last_update_posted_date": "2015-10-09", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 1, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01795911" }, { "nct_id": "NCT01259856", "title": "Randomized Trial of Pegylated Interferon Alfa-2a Versus Hydroxyurea in Polycythemia Vera (PV) and Essential Thrombocythemia (ET)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "High Risk Polycythemia Vera", "High Risk Essential Thrombocythemia" ], "interventions": [ { "name": "PEGASYS", "type": "DRUG" }, { "name": "Hydroxyurea", "type": "DRUG" }, { "name": "Aspirin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ronald Hoffman", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 168, "start_date": "2011-09", "completion_date": "2017-06-30", "has_results": true, "last_update_posted_date": "2019-04-30", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 16, "location_summary": "Scottsdale, Arizona • Los Angeles, California • Palo Alto, California + 10 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "Stanford", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01259856" }, { "nct_id": "NCT00983853", "title": "Safety and Efficacy of Telaprevir in Combination With Peginterferon Alfa-2a and Ribavirin in Subjects Co-Infected With Hepatitis C Virus (HCV) and HIV", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C", "HIV Infections" ], "interventions": [ { "name": "telaprevir or matching placebo", "type": "DRUG" }, { "name": "peginterferon alfa-2a", "type": "BIOLOGICAL" }, { "name": "ribavirin (fixed dose)", "type": "DRUG" }, { "name": "ribavirin (weight-based dose)", "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": 62, "start_date": "2009-10", "completion_date": null, "has_results": true, "last_update_posted_date": "2013-10-10", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 11, "location_summary": "Beverly Hills, California • San Diego, California • San Francisco, California + 8 more", "locations": [ { "city": "Beverly Hills", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Miami", "state": "Florida" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00983853" }, { "nct_id": "NCT05535764", "title": "AlloHCT With PegINFa for Myelofibrosis", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Myelofibrosis" ], "interventions": [ { "name": "Pegylated interferon alpha2a", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Utah", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 18, "start_date": "2023-08-02", "completion_date": "2028-03", "has_results": false, "last_update_posted_date": "2026-10-13", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT05535764" }, { "nct_id": "NCT00420784", "title": "A Study of Telaprevir (VX-950), Pegasys and Copegus in Hepatitis C (PROVE3)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "Telaprevir", "type": "DRUG" }, { "name": "Ribavirin", "type": "DRUG" }, { "name": "Pegylated Interferon Alfa 2a", "type": "DRUG" }, { "name": "Matching Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "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": 465, "start_date": "2007-02", "completion_date": "2009-04", "has_results": true, "last_update_posted_date": "2014-08-05", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 41, "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00420784" }, { "nct_id": "NCT00253474", "title": "PEG-Interferon Alfa-2b in Treating Young Patients With Plexiform Neurofibroma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Neoplasm of Uncertain Malignant Potential", "Unspecified Childhood Solid Tumor, Protocol Specific" ], "interventions": [ { "name": "PEG-interferon alfa-2a", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institutes of Health Clinical Center (CC)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "21 Years", "sex": "ALL", "summary": "1 Year to 21 Years" }, "enrollment_count": 36, "start_date": "2005-09", "completion_date": "2011-01", "has_results": false, "last_update_posted_date": "2012-03-29", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 4, "location_summary": "Washington D.C., District of Columbia • Chicago, Illinois • Bethesda, Maryland + 1 more", "locations": [ { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Bethesda", "state": "Maryland" }, { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00253474" }, { "nct_id": "NCT00084279", "title": "CIFN and IFN γ-1b With or Without Ribavirin for Treatment of Chronic Hepatitis C (Nonresponders)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Hepatitis C" ], "interventions": [ { "name": "Consensus Interferon-Alpha, Interferon Gamma-1b, Ribavirin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "InterMune", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 81, "start_date": "2004-04", "completion_date": "2006-04", "has_results": false, "last_update_posted_date": "2009-07-03", "last_synced_at": "2026-10-14T12:18:25.385Z", "location_count": 1, "location_summary": "Brisbane, California", "locations": [ { "city": "Brisbane", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00084279" } ] }