{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin+%28Copegus%C2%AE%29",
    "query": {
      "intervention": "Ribavirin (Copegus®)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 113,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin+%28Copegus%C2%AE%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T00:46:38.503Z",
  "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": "NCT02292706",
      "title": "A Registry for Participants With Cirrhosis Who Achieve a Sustained Virologic Response Following Treatment With a Sofosbuvir-Based Regimen Without Interferon for Chronic Hepatitis C Infection",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "LDV/SOF",
          "type": "DRUG"
        },
        {
          "name": "SOF/VEL",
          "type": "DRUG"
        },
        {
          "name": "SOF/VEL/VOX",
          "type": "DRUG"
        },
        {
          "name": "Other SOF-Based Regimen",
          "type": "DRUG"
        },
        {
          "name": "Ineligible parent treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1609,
      "start_date": "2014-12-29",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 77,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Long Beach, California + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02292706"
    },
    {
      "nct_id": "NCT01858766",
      "title": "Safety and Efficacy of Sofosbuvir + Velpatasvir With or Without Ribavirin in Treatment-Naive Adults With Chronic HCV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SOF",
          "type": "DRUG"
        },
        {
          "name": "VEL",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 379,
      "start_date": "2013-04",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 50,
      "location_summary": "La Jolla, California • Long Beach, California • Los Angeles, California + 38 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01858766"
    },
    {
      "nct_id": "NCT02994056",
      "title": "Evaluate the Efficacy and Safety of Sofosbuvir/Velpatasvir Fixed-Dose Combination and Ribavirin for 12 Weeks in Participants With Chronic HCV Infection and Child-Pugh-Turcotte Class C Cirrhosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "SOF/VEL",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-01-23",
      "completion_date": "2018-12-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-02",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 10,
      "location_summary": "Tampa, Florida • Chicago, Illinois • Catonsville, Maryland + 7 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994056"
    },
    {
      "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": "2026-09-29T00:46:38.503Z",
      "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": "NCT02716428",
      "title": "A Study of Faldaprevir, TD-6450 and Other Antivirals in Participants With Genotype 1b Hepatitis C Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Viral Infection",
        "Chronic Hepatitis C",
        "Hepatitis C (HCV)",
        "Hepatitis C Genotype 1"
      ],
      "interventions": [
        {
          "name": "Faldaprevir",
          "type": "DRUG"
        },
        {
          "name": "TD-6450",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Trek Therapeutics, PBC",
      "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": 25,
      "start_date": "2016-05",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-10-17",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 3,
      "location_summary": "Coronado, California • Bradenton, Florida • Germantown, Tennessee",
      "locations": [
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02716428"
    },
    {
      "nct_id": "NCT01808248",
      "title": "Sofosbuvir (GS-7977) in Combination With PEG and Ribavirin for 12 Weeks in Treatment Experienced Subjects With Chronic HCV Infection Genotype 2 or 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SOF",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2013-02",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-09-12",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808248"
    },
    {
      "nct_id": "NCT02094443",
      "title": "Alisporivir With RBV in Chronic Hepatitis C Genotype 2 and 3 Participants for Whom Interferon is Not an Option",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C",
        "Liver Disease"
      ],
      "interventions": [
        {
          "name": "Alisporivir",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Debiopharm International SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2014-03",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2016-10-13",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 11,
      "location_summary": "Bakersfield, California • Lancaster, California • San Diego, California + 6 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02094443"
    },
    {
      "nct_id": "NCT02536313",
      "title": "Safety and Efficacy of Sofosbuvir/Velpatasvir/Voxilaprevir Fixed-Dose Combination With or Without Ribavirin in Participants With Chronic Genotype 1 HCV Infection Previously Treated With a Direct Acting Antiviral Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "SOF/VEL/VOX",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2015-07-29",
      "completion_date": "2016-06-28",
      "has_results": true,
      "last_update_posted_date": "2019-02-25",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02536313"
    },
    {
      "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": "2026-09-29T00:46:38.503Z",
      "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": "NCT01435044",
      "title": "Safety Study of Regimens of Sofosbuvir, GS-0938, and Ribavirin in Patients With Chronic Hepatitis C Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir",
          "type": "DRUG"
        },
        {
          "name": "GS-0938",
          "type": "DRUG"
        },
        {
          "name": "RBV",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match sofosbuvir",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match GS-0938",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 239,
      "start_date": "2011-09",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2014-02-06",
      "last_synced_at": "2026-09-29T00:46:38.503Z",
      "location_count": 42,
      "location_summary": "Montgomery, Alabama • Bakersfield, California • Coronado, California + 33 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01435044"
    }
  ]
}