{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%3A+16-week+treatment&page=2",
    "query": {
      "intervention": "Ribavirin: 16-week treatment",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%3A+16-week+treatment&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ribavirin%3A+16-week+treatment&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T16:09:18.612Z",
  "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": "NCT00545233",
      "title": "A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) Plus COPEGUS (Ribavirin) With or Without Pioglitazone in Treatment-Naive Patients With Chronic Hepatitis C and Insulin Resistance.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "peginterferon alfa-2a [Pegasys]",
          "type": "DRUG"
        },
        {
          "name": "ribavirin [Copegus]",
          "type": "DRUG"
        },
        {
          "name": "Pioglitazone",
          "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": 155,
      "start_date": "2008-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2012-05-07",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 65,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 53 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00545233"
    },
    {
      "nct_id": "NCT01225380",
      "title": "A Study of Response-Guided Duration of Combination Therapy With GS-9190, GS-9256, Pegasys® and Copegus® in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis C Infection"
      ],
      "interventions": [
        {
          "name": "GS-9190",
          "type": "DRUG"
        },
        {
          "name": "GS-9256",
          "type": "DRUG"
        },
        {
          "name": "Pegasys®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Copegus®",
          "type": "DRUG"
        },
        {
          "name": "GS-9190 placebo",
          "type": "DRUG"
        },
        {
          "name": "GS-9256 placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Gilead Sciences",
      "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": 324,
      "start_date": "2010-10",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2014-01-28",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 36,
      "location_summary": "Phoenix, Arizona • Anaheim, California • La Jolla, California + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225380"
    },
    {
      "nct_id": "NCT01257204",
      "title": "Study in Genotype 2 or 3 Patients With Chronic Hepatitis Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Daclatasvir",
          "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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 196,
      "start_date": "2010-12",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Tulsa, Oklahoma + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01257204"
    },
    {
      "nct_id": "NCT03365635",
      "title": "Administration of Zepatier (Grazoprevir Plus Elbasvir) in Chronic Hemodialysis (HD) Patients With Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C",
        "Hemodialysis",
        "Nosocomial Infection"
      ],
      "interventions": [
        {
          "name": "Elbasvir 50 MG / Grazoprevir 100 MG [Zepatier]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-09-22",
      "completion_date": "2020-09-01",
      "has_results": true,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03365635"
    },
    {
      "nct_id": "NCT02743897",
      "title": "Transplanting Hepatitis C Kidneys Into Negative Kidney Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Zepatier",
          "type": "DRUG"
        },
        {
          "name": "Mavyret",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 62,
      "start_date": "2016-05-01",
      "completion_date": "2022-12",
      "has_results": true,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02743897"
    },
    {
      "nct_id": "NCT00991289",
      "title": "Nitazoxanide Plus Ribavirin and Peginterferon for Therapy of Treatment Naive HCV Genotype 1 and HIV Coinfected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infection",
        "Hepatitis C Infection"
      ],
      "interventions": [
        {
          "name": "Nitazoxanide (NTZ)",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alfa-2a (PEG)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "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": 68,
      "start_date": "2010-01",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991289"
    },
    {
      "nct_id": "NCT03146741",
      "title": "Zepatier For Treatment Of Hepatitis C-Negative Patients Who Receive Heart Transplants From Hepatitis C-Positive Donors (HCV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Zepatier",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-16",
      "completion_date": "2019-11-30",
      "has_results": true,
      "last_update_posted_date": "2021-11-22",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146741"
    },
    {
      "nct_id": "NCT03724149",
      "title": "Transplanting Hepatitis C Lungs Into Negative Lung Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Diseases"
      ],
      "interventions": [
        {
          "name": "Zepatier",
          "type": "DRUG"
        },
        {
          "name": "Epclusa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "67 Years",
        "sex": "ALL",
        "summary": "18 Years to 67 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-12-12",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03724149"
    },
    {
      "nct_id": "NCT01604850",
      "title": "Sofosbuvir + Ribavirin for 12 or 16 Weeks in Treatment Experienced Subjects With Chronic Genotype 2 or 3 HCV Infection (FUSION)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "SOF",
          "type": "DRUG"
        },
        {
          "name": "RBV",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match SOF",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match 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": 202,
      "start_date": "2012-06",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-05-28",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 51,
      "location_summary": "Coronado, California • Los Angeles, California • San Diego, California + 41 more",
      "locations": [
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01604850"
    },
    {
      "nct_id": "NCT01732796",
      "title": "IFN-free Combination Therapy in HCV-infected Patients Treatment-naive:HCVerso1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        },
        {
          "name": "BI 201335 (Faldaprevir)",
          "type": "DRUG"
        },
        {
          "name": "BI 207127",
          "type": "DRUG"
        },
        {
          "name": "Faldaprevir (BI 201335)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 470,
      "start_date": "2012-12",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-04-18",
      "last_synced_at": "2026-10-13T16:09:18.612Z",
      "location_count": 24,
      "location_summary": "Dothan, Alabama • Chula Vista, California • La Mesa, California + 19 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Poway",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01732796"
    }
  ]
}