{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%2C+Peg+interferon+alfa+2b",
    "query": {
      "intervention": "Ribavirin, Peg interferon alfa 2b"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%2C+Peg+interferon+alfa+2b&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T20:26:37.653Z",
  "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": "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": "2026-10-01T20:26:37.653Z",
      "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": "NCT00088504",
      "title": "Merimepodib (MMPD) in Triple Combination for the Treatment of Chronic Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C",
        "Hepatitis"
      ],
      "interventions": [
        {
          "name": "Merimepodib",
          "type": "DRUG"
        },
        {
          "name": "PEG-Interferon-alpha 2a (Pegasys®)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (Copegus®)",
          "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": 315,
      "start_date": "2004-07",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2007-12-21",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 67,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 55 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00088504"
    },
    {
      "nct_id": "NCT00087568",
      "title": "A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) in Combination With Ribavirin in Patients With Chronic Hepatitis C (CHC) Previously Treated With PEG-Intron + Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "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": 57,
      "start_date": "2003-01",
      "completion_date": "2006-03",
      "has_results": true,
      "last_update_posted_date": "2016-06-08",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 25,
      "location_summary": "Bakersfield, California • Pasadena, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Mateo",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00087568"
    },
    {
      "nct_id": "NCT00446134",
      "title": "Taribavirin Phase 2 Dose Finding Study for the Treatment of Hepatitis C Virus (HCV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Taribavirin",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 278,
      "start_date": "2007-03",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2012-07-27",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00446134"
    },
    {
      "nct_id": "NCT00015652",
      "title": "Interleukin-2 (IL-2), Pegylated Interferon (PEG-IFN Alfa-2b), and Ribavirin (RBV) Treatment in Patients With Hepatitis C and HIV Coinfection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Aldesleukin",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2b",
          "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": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": null,
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00015652"
    },
    {
      "nct_id": "NCT00087607",
      "title": "Peak Study - A Study of Pegasys (Peginterferon Alfa-2a (40KD)) in Combination With Copegus (Ribavirin) in Interferon-Naive Patients With Chronic Hepatitis C (CHC).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2b (PEG-Intron)",
          "type": "DRUG"
        },
        {
          "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": 385,
      "start_date": "2004-01",
      "completion_date": "2006-04",
      "has_results": true,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Sacramento, California + 36 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00087607"
    },
    {
      "nct_id": "NCT01405027",
      "title": "Impact of Physician Directed Education on Patient Compliance With Hepatitis C Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Hepatitis C",
        "Genotype 1"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "PROCEDURE"
        },
        {
          "name": "Patient education and management skills training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Chronic Liver Disease Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 197,
      "start_date": "2011-12",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-01-06",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 43,
      "location_summary": "Beverly Hills, California • Calabasas, California • Santa Monica, California + 34 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Calabasas",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01405027"
    },
    {
      "nct_id": "NCT00277238",
      "title": "CPG10101 Combination Therapy For The Treatment Of Hepatitis C In Non-Responder (Null And Partial Responder) Hepatitis C Virus (HCV) Genotype 1 Infected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis, Chronic Active"
      ],
      "interventions": [
        {
          "name": "CPG10101",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 113,
      "start_date": "2006-02",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2017-03-08",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 14,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana • New Orleans, Louisiana + 11 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00277238"
    },
    {
      "nct_id": "NCT01573351",
      "title": "Phase III Hallmark QUAD: ASV+DCV+Peg+Rib (Nulls/Partials)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "Asunaprevir",
          "type": "DRUG"
        },
        {
          "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": 398,
      "start_date": "2012-05",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-10-01T20:26:37.653Z",
      "location_count": 20,
      "location_summary": "Montgomery, Alabama • La Jolla, California • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01573351"
    },
    {
      "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": "2026-10-01T20:26:37.653Z",
      "location_count": 1,
      "location_summary": "Brisbane, California",
      "locations": [
        {
          "city": "Brisbane",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084279"
    }
  ]
}