{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated-interferon+alfa-2a&page=2",
    "query": {
      "intervention": "Pegylated-interferon alfa-2a",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "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=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated-interferon+alfa-2a&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T20:39:48.633Z",
  "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": "NCT01389323",
      "title": "BMS-790052 (Daclatasvir) Plus Peg-Interferon Alfa-2a and Ribavirin in Treatment-Naive Black/African-Americans, Latinos and White/Caucasians With Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Peg-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": 448,
      "start_date": "2011-09",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 35,
      "location_summary": "Montgomery, Alabama • Long Beach, California • Los Angeles, California + 24 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01389323"
    },
    {
      "nct_id": "NCT01273064",
      "title": "Standard of Care (SOC) With or Without CTS-1027 in Hepatitis C (HCV) Null-Responders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "CTS-1027",
          "type": "DRUG"
        },
        {
          "name": "pegylated interferon",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Conatus Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2011-01",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-11",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Coronado, California • La Jolla, California + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01273064"
    },
    {
      "nct_id": "NCT02471430",
      "title": "Reducing the Residual Reservoir of HIV-1 Infected Cells in Patients Receiving Antiretroviral Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Panobinostat",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Interferon-alpha2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 17,
      "start_date": "2016-05",
      "completion_date": "2023-12",
      "has_results": true,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02471430"
    },
    {
      "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": "2026-10-07T20:39:48.633Z",
      "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": "NCT00483938",
      "title": "The Individualized Management With Pegylated-interferon Alfa-2a (Pegasys) and Ribavirin (Copegus) Offering Viral Eradication: A Study of Pegylated-interferon Alfa-2a Plus Ribavirin in Participants With Chronic Hepatitis C (CHC) Non-genotype 2/3 (IMPROVE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Pegylated-interferon Alfa-2a",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 236,
      "start_date": "2007-06",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-01-23",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00483938"
    },
    {
      "nct_id": "NCT01592006",
      "title": "Pegylated Interferon, Ribavirin, Telaprevir in Hepatitis C Virus Infection in Orthotopic Liver Transplant Recipients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "telaprevir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2012-04",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2016-06-15",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592006"
    },
    {
      "nct_id": "NCT01170962",
      "title": "Study of the Anti-HCV Drug (BMS-790052) Combined With Peginterferon and Ribavirin in Patients Who Failed Prior Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "BMS-790052",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "peginterferon 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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 512,
      "start_date": "2010-08",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 35,
      "location_summary": "Montgomery, Alabama • La Jolla, California • Los Angeles, California + 28 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01170962"
    },
    {
      "nct_id": "NCT01051921",
      "title": "Study of CTS-1027 in Combination With Pegylated Interferon and Ribavirin in Hepatitis C Virus (HCV) Null-Responders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "CTS-1027",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Conatus Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2010-01",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2012-04-16",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 14,
      "location_summary": "La Jolla, California • San Diego, California • Denver, Colorado + 10 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01051921"
    },
    {
      "nct_id": "NCT01278134",
      "title": "A Study of RO5024048 in Combination With Ritonavir-Boosted Danoprevir With or Without Copegus (Ribavirin) in Interferon-Naïve Patients With Chronic Hepatitis C Genotype 1 (INFORM-SVR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Copegus placebo",
          "type": "DRUG"
        },
        {
          "name": "RO5024048",
          "type": "DRUG"
        },
        {
          "name": "danoprevir",
          "type": "DRUG"
        },
        {
          "name": "peginterferon alfa-2a [Pegasys]",
          "type": "DRUG"
        },
        {
          "name": "ribavirin [Copegus]",
          "type": "DRUG"
        },
        {
          "name": "ritonavir",
          "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": 170,
      "start_date": "2011-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 18,
      "location_summary": "La Jolla, California • Sacramento, California • Orlando, Florida + 14 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01278134"
    },
    {
      "nct_id": "NCT00039962",
      "title": "Thymosin Plus PEG-Interferon in Hepatitis C Patients With Cirrhosis Who Did Not Respond to Interferon or Interferon Plus Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C",
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "thymalfasin (thymosin alpha 1)",
          "type": "DRUG"
        },
        {
          "name": "PEGinterferon alfa-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SciClone Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2002-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-01-15",
      "last_synced_at": "2026-10-07T20:39:48.633Z",
      "location_count": 54,
      "location_summary": "Mobile, Alabama • Scottsdale, Arizona • Anaheim, California + 43 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00039962"
    }
  ]
}