{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin+%2B+Pegylated+interferon-alpha",
    "query": {
      "intervention": "Ribavirin + Pegylated interferon-alpha"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 38,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin+%2B+Pegylated+interferon-alpha&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T04:33:27.859Z",
  "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": "NCT01447394",
      "title": "Safety and Efficacy Study of Pegylated Interferon Lambda Versus Pegylated Interferon Alfa, Plus Ribavirin in Subjects With Hepatitis C",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus (HCV)"
      ],
      "interventions": [
        {
          "name": "Pegylated Interferon Lambda",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pegylated Interferon Alfa-2a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ribavirin",
          "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": 0,
      "start_date": "2012-03",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2012-02-03",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Rochester, New York • Houston, Texas",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01447394"
    },
    {
      "nct_id": "NCT00863239",
      "title": "Phase 2B Dose Ranging Study of Locteron Plus Ribavirin to Treat HCV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Locteron™ (controlled-release interferon alpha 2b)",
          "type": "DRUG"
        },
        {
          "name": "PEG-Intron™",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biolex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 116,
      "start_date": "2009-03",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2012-02-02",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 13,
      "location_summary": "Chula Vista, California • Oceanside, California • San Diego, California + 10 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Laurel",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00863239"
    },
    {
      "nct_id": "NCT00874770",
      "title": "Safety and Efficacy of Daclatasvir (BMS-790052) Plus Standard of Care (Pegylated-interferon Alpha and Ribavirin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Infection"
      ],
      "interventions": [
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alpha-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": 74,
      "start_date": "2009-06",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2015-10-23",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 11,
      "location_summary": "Montgomery, Alabama • Aurora, Colorado • New Haven, Connecticut + 7 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00874770"
    },
    {
      "nct_id": "NCT01482767",
      "title": "Evaluating the Effectiveness of Boceprevir, Pegylated-Interferon Alfa 2b and Ribavirin in Treating Hepatitis C Virus (HCV) Infection in Adults With HIV and HCV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Pegylated-Interferon Alfa 2b (PEG-IFN)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        },
        {
          "name": "Boceprevir (BOC)",
          "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": 262,
      "start_date": "2012-04",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482767"
    },
    {
      "nct_id": "NCT01821963",
      "title": "Telaprevir Plus Standard of Care (SOC) in HCV Associated Hepatocellular Carcinoma (HCC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infection"
      ],
      "interventions": [
        {
          "name": "Pegylated Interferon Alfa 2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Telaprevir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 1,
      "start_date": "2013-04",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2020-09-24",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01821963"
    },
    {
      "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": "2026-10-03T04:33:27.859Z",
      "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": "NCT01616524",
      "title": "Safety and Efficacy Study of Pegylated Interferon Lambda With and Without Daclatasvir, Compared to Pegylated Interferon Alfa, Plus Ribavirin in Subjects With Hepatitis C Genotype 2 and 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus (HCV)"
      ],
      "interventions": [
        {
          "name": "Pegylated interferon lambda (pegIFNλ)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pegylated interferon alfa-2a (pegIFNα-2a)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Daclatasvir",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching Daclatasvir",
          "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": 880,
      "start_date": "2012-07",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • San Diego, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01616524"
    },
    {
      "nct_id": "NCT01459913",
      "title": "Efficacy of a 12-Week Regimen of Telaprevir, Pegylated Interferon, and Ribavirin in Treatment-Naive and Prior Relapser Subjects With Interleukin28B (IL28B) CC Genotype",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Telaprevir",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Interferon Alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "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": 239,
      "start_date": "2011-11",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2015-06-10",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01459913"
    },
    {
      "nct_id": "NCT01625793",
      "title": "Inflammation, Stress & Social Behavior: Using Ecological Assessments & Model Systems to Enhance Relevance to Health Outcomes",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Interferon-alpha",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-06",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-10-03T04:33:27.859Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • Atlanta, Georgia",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01625793"
    },
    {
      "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": "2026-10-03T04:33:27.859Z",
      "location_count": 1,
      "location_summary": "Brisbane, California",
      "locations": [
        {
          "city": "Brisbane",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084279"
    }
  ]
}