{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon+alfa-2a&page=3",
    "query": {
      "intervention": "Interferon alfa-2a",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 161,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon+alfa-2a&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interferon+alfa-2a&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T23:29:37.541Z",
  "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": "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": "2026-10-05T23:29:37.541Z",
      "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": "NCT01428063",
      "title": "Study of pegInterferon Alfa-2a, Ribavirin, and Daclatasvir (BMS-790052) With or Without BMS-650032 for Participants in Some Hepatitis C Virus Trials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Asunaprevir",
          "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": 276,
      "start_date": "2011-09",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2016-05-27",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 20,
      "location_summary": "Montgomery, Alabama • La Jolla, California • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01428063"
    },
    {
      "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": "2026-10-05T23:29:37.541Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592006"
    },
    {
      "nct_id": "NCT00001567",
      "title": "A Phase II Efficacy Study of Roferon-A in Hairy Cell Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hairy Cell Leukemia"
      ],
      "interventions": [
        {
          "name": "Roferon-A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 56,
      "start_date": "1997-01",
      "completion_date": "2002-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001567"
    },
    {
      "nct_id": "NCT00000725",
      "title": "A Phase I Study of AZT and Human Interferon Alpha (Recombinant Alpha-2A and Lymphoblastoid) in the Treatment of AIDS-Associated Kaposi's Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sarcoma, Kaposi",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Interferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Interferon alfa-n1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": null,
      "completion_date": "1990-02",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000725"
    },
    {
      "nct_id": "NCT01648140",
      "title": "Dose Ranging of GSK2336805 in Combination Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "GSK2336805 40 mg",
          "type": "DRUG"
        },
        {
          "name": "GSK2336805 60 mg",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alpha-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Telaprevir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 286,
      "start_date": "2012-08-01",
      "completion_date": "2014-07-16",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 18,
      "location_summary": "Dothan, Alabama • Anaheim, California • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01648140"
    },
    {
      "nct_id": "NCT00038376",
      "title": "Phase II Study Of Roferon and Accutane For Patients With T-Cell Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma, T-Cell",
        "Mycosis Fungoides",
        "Hematologic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Isotretinoin (Accutane)",
          "type": "DRUG"
        },
        {
          "name": "Interferon Alpha",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "1990-05-08",
      "completion_date": "2005-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-29",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00038376"
    },
    {
      "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": "2026-10-05T23:29:37.541Z",
      "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"
    },
    {
      "nct_id": "NCT01259817",
      "title": "Pegylated Interferon Alfa-2a Salvage Therapy in High Risk Polycythemia Vera (PV) or Essential Thrombocythemia (ET)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "High Risk Polycythemia Vera",
        "High Risk Essential Thrombocythemia"
      ],
      "interventions": [
        {
          "name": "PEGASYS",
          "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": 135,
      "start_date": "2011-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 16,
      "location_summary": "Scottsdale, Arizona • Palo Alto, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01259817"
    },
    {
      "nct_id": "NCT00000764",
      "title": "Chemoprevention of Anal Neoplasia Arising Secondary to Anogenital Human Papillomavirus Infection in Persons With HIV Infection.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Anus Neoplasms"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Interferon alfa-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": null,
      "completion_date": "1996-07",
      "has_results": false,
      "last_update_posted_date": "2021-10-28",
      "last_synced_at": "2026-10-05T23:29:37.541Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000764"
    }
  ]
}