{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+Interferon+Alfa-2a&page=3",
    "query": {
      "intervention": "Pegylated Interferon Alfa-2a",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "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=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+Interferon+Alfa-2a&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T23:34:23.215Z",
  "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": "NCT00275548",
      "title": "Safety and Effectiveness Using Pegasys and Copegus in Recipients of Liver Transplantation With Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Liver Transplant",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Pegasys",
          "type": "DRUG"
        },
        {
          "name": "Copegus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2004-07",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2011-11-11",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00275548"
    },
    {
      "nct_id": "NCT05005507",
      "title": "A Study of JNJ-73763989, Pegylated Interferon Alpha-2a and Nucleos(t)Ide Analogs in Participants With Chronic Hepatitis B Virus Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis B, Chronic"
      ],
      "interventions": [
        {
          "name": "JNJ-73763989",
          "type": "DRUG"
        },
        {
          "name": "PegIFN-alpha-2a",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir disoproxil",
          "type": "DRUG"
        },
        {
          "name": "TAF",
          "type": "DRUG"
        },
        {
          "name": "ETV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 1,
      "start_date": "2021-11-03",
      "completion_date": "2021-12-29",
      "has_results": true,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 1,
      "location_summary": "Hillsborough, New Jersey",
      "locations": [
        {
          "city": "Hillsborough",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05005507"
    },
    {
      "nct_id": "NCT01471574",
      "title": "Safety and Efficacy Study of Daclatasvir (BMS-790052) Plus Pegylated Interferon-Alfa 2a and Ribavirin in Patients Coinfected With Untreated Hepatitis C Virus and HIV Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Genotype 1"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "PEG-Interferon alfa 2a",
          "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": 549,
      "start_date": "2011-12",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2016-01-29",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Los Angeles, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01471574"
    },
    {
      "nct_id": "NCT00412750",
      "title": "Efficacy and Safety of Telbivudine in Treatment naïve Patients With Hepatitis B e Antigen (HBeAg)-Positive Chronic Hepatitis B (CHB)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Telbivudine (LdT)",
          "type": "DRUG"
        },
        {
          "name": "peginterferon alpha-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "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": 159,
      "start_date": "2006-12",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2011-07-13",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00412750"
    },
    {
      "nct_id": "NCT01277601",
      "title": "Efficacy & Safety of Tenofovir Disoproxil Fumarate (TDF) Plus Peginterferon α-2a (Peg-IFN) Versus TDF or Peg-IFN Monotherapy in Chronic Hepatitis B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "TDF",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 751,
      "start_date": "2011-04",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2016-08-26",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 26,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01277601"
    },
    {
      "nct_id": "NCT00963885",
      "title": "A Study of RO5190591 (Danoprevir) in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Genotype 1 Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Copegus",
          "type": "DRUG"
        },
        {
          "name": "Pegasys",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RO5190591 (Danoprevir)",
          "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": 229,
      "start_date": "2009-08",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Long Beach, California • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963885"
    },
    {
      "nct_id": "NCT01331850",
      "title": "A Study of Danoprevir/Ritonavir and Copegus With RO5024048 and/or Pegasys in Patients With Chronic Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Copegus",
          "type": "DRUG"
        },
        {
          "name": "Pegasys",
          "type": "DRUG"
        },
        {
          "name": "RO5024048",
          "type": "DRUG"
        },
        {
          "name": "danoprevir",
          "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": 381,
      "start_date": "2011-05",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 19,
      "location_summary": "La Jolla, California • Long Beach, California • Sacramento, California + 15 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01331850"
    },
    {
      "nct_id": "NCT06072612",
      "title": "Study of the Bria-IMT Regimen and CPI vs Physicians' Choice in Advanced Metastatic Breast Cancer.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Metastatic Breast Cancer",
        "Breast Neoplasm",
        "Breast Cancer Metastatic",
        "End Stage Cancer"
      ],
      "interventions": [
        {
          "name": "SV-BR-1-GM",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Interferon infiltration of the inoculation site",
          "type": "DRUG"
        },
        {
          "name": "Retifanlimab",
          "type": "DRUG"
        },
        {
          "name": "Treatment of Physician's Choice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "BriaCell Therapeutics Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 404,
      "start_date": "2023-12-05",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 79,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06072612"
    },
    {
      "nct_id": "NCT00100659",
      "title": "PEDS-C: Pegylated Interferon +/- Ribavirin for Children With Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Pegylated Interferon/ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "5 Years to 18 Years"
      },
      "enrollment_count": 114,
      "start_date": "2004-12",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 11,
      "location_summary": "San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00100659"
    },
    {
      "nct_id": "NCT00962975",
      "title": "A Study of Pegasys Monotherapy in Patients With Chronic Hepatitis B Who Have Participated in Previous Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis B, Chronic"
      ],
      "interventions": [
        {
          "name": "peginterferon alfa-2a [Pegasys]",
          "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": 29,
      "start_date": "2009-09",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2014-04-08",
      "last_synced_at": "2026-10-11T23:34:23.215Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Francisco, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00962975"
    }
  ]
}