{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+interferon+and+ribavirin",
    "query": {
      "intervention": "Pegylated interferon and ribavirin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 124,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pegylated+interferon+and+ribavirin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T04:55:54.420Z",
  "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": "NCT00078403",
      "title": "Pegylated Interferon Alfa-2a Maintenance Therapy and Liver Disease Progression in People Infected With Both HIV and Hepatitis C Virus (HCV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis C",
        "Liver Disease"
      ],
      "interventions": [
        {
          "name": "Peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "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": 333,
      "start_date": "2004-07",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2021-11-08",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 23 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/NCT00078403"
    },
    {
      "nct_id": "NCT01310205",
      "title": "Extension Study SCI-SCV-HCV-P2-001: Long-Term FU in Subj Who Opt for Retreatment With Peg-INF and RBV After Completing Treatment in HCV",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SCV-07",
          "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": 12,
      "start_date": "2010-08",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 4,
      "location_summary": "Anaheim, California • Louisville, Kentucky • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Washington",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310205"
    },
    {
      "nct_id": "NCT01399619",
      "title": "Phase III Trial of BI 201335 (Faldaprevir) in Treatment Naive (TN) and Relapser Hepatitis C Virus (HCV)-Human Immunodeficiency Virus (HIV) Coinfected Patients (STARTverso 4)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "PegIFN/RBV",
          "type": "DRUG"
        },
        {
          "name": "BI201335",
          "type": "DRUG"
        },
        {
          "name": "BI201335 24W",
          "type": "DRUG"
        },
        {
          "name": "Bi 201335",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 310,
      "start_date": "2011-09",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2016-08-29",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Palm Springs, California • San Francisco, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01399619"
    },
    {
      "nct_id": "NCT03069365",
      "title": "A Study to Evaluate the Efficacy and Safety of Glecaprevir/Pibrentasvir in Adults With Chronic Hepatitis C Virus Genotype 1 - 6 Infection and Renal Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus (HCV)"
      ],
      "interventions": [
        {
          "name": "Glecaprevir/pibrentasvir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2017-03-28",
      "completion_date": "2018-06-05",
      "has_results": true,
      "last_update_posted_date": "2019-03-04",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 11,
      "location_summary": "La Jolla, California • Pasadena, California • Tampa, Florida + 7 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03069365"
    },
    {
      "nct_id": "NCT00266318",
      "title": "Study of High Dosage CIFN Plus RBV for HCV Genotype 1 Infected Patients Who Are Nonresponders to Prior Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Interferon Alfacon-1 and Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 40,
      "start_date": "2005-12",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2008-04-17",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00266318"
    },
    {
      "nct_id": "NCT00593151",
      "title": "Study of Safety, Tolerability, and Anti-Viral Effect of Locteron Compared to PEG-Intron in Patients With Chronic Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Locteron (controlled-release interferon alpha 2b)",
          "type": "OTHER"
        },
        {
          "name": "pegylated IFNa2b",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Biolex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2008-01",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2012-02-03",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 5,
      "location_summary": "Detroit, Michigan • Dallas, Texas • San Antonio, Texas + 2 more",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Annandale",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593151"
    },
    {
      "nct_id": "NCT00984620",
      "title": "Short Term Treatment With BI 201335, Peginterferon-alpha 2a and Ribavirin in Hepatitis c Virus Genotype-1 Treatment-naïve Patients (SILEN-C3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "BI 201335",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Interferon-alpha (IFN)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 160,
      "start_date": "2009-09",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2015-09-07",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 6,
      "location_summary": "Tulepo, Mississippi • New York, New York • Germantown, Tennessee + 3 more",
      "locations": [
        {
          "city": "Tulepo",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Germantown",
          "state": "Tennessee"
        },
        {
          "city": "Jackson",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984620"
    },
    {
      "nct_id": "NCT00938860",
      "title": "Sustained Virological Response (SVR) to Antiviral Treatment of Liver Transplant Recipients With Recurrent Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C",
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "cyclosporin (Neoral)",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus (Prograf)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 92,
      "start_date": "2009-09",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2015-05-22",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Palo Alto, California • San Francisco, California + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00938860"
    },
    {
      "nct_id": "NCT01482403",
      "title": "A Study of Mericitabine in Combination With Boceprevir and Pegasys/Copegus 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": "boceprevir",
          "type": "DRUG"
        },
        {
          "name": "mericitabine",
          "type": "DRUG"
        },
        {
          "name": "mericitabine placebo",
          "type": "DRUG"
        },
        {
          "name": "boceprevir placebo",
          "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": 58,
      "start_date": "2011-11",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2016-08-05",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 7,
      "location_summary": "Littleton, Colorado • Chicago, Illinois • Shreveport, Louisiana + 4 more",
      "locations": [
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482403"
    },
    {
      "nct_id": "NCT00395421",
      "title": "Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "NM283 plus Peg-IFNα-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 114,
      "start_date": "2006-10",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2010-06-10",
      "last_synced_at": "2026-09-30T04:55:54.420Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Fairfax, Virginia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00395421"
    }
  ]
}