{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hepatitis+C+Genotype+1",
    "query": {
      "condition": "Hepatitis C Genotype 1"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 201,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hepatitis+C+Genotype+1&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T23:41:51.334Z",
  "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": "NCT00535847",
      "title": "A Rollover Study for Subjects Participating in the Control Arm of Study VX06-950-106, VX05-950-104 and VX05-950-104EU Whose Plasma Hepatitis C Virus (HCV) Ribonucleic Acid (RNA) Levels Did Not Respond to Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Telaprevir",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Pegylated interferon alfa 2a",
          "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": 117,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2014-08-05",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00535847"
    },
    {
      "nct_id": "NCT01866930",
      "title": "Efficacy and Safety Study of Pegylated Interferon Lambda-1a With Ribavirin and Daclatasvir, to Treat naïve Subjects With Chronic HCV Genotypes 1, 2, 3, and 4 Who Are Co-infected With HIV",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis C Infection"
      ],
      "interventions": [
        {
          "name": "Pegylated Interferon Lambda-1a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Daclatasvir (DCV)",
          "type": "DRUG"
        },
        {
          "name": "Ribasphere (RBV)",
          "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": 453,
      "start_date": "2013-07-11",
      "completion_date": "2015-08-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-13",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 13,
      "location_summary": "Rialto, California • San Francisco, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Rialto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01866930"
    },
    {
      "nct_id": "NCT00274495",
      "title": "Assessing the Efficacy and Safety of Rosiglitazone Added to Standard Therapy for Hepatitis C Genotype 1 With Fatty Liver",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Hepatitis C Infection",
        "Fatty Liver"
      ],
      "interventions": [
        {
          "name": "Rosiglitazone and Pegasys/Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Medical Center",
      "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": 30,
      "start_date": "2006-01",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2007-11-01",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274495"
    },
    {
      "nct_id": "NCT01728324",
      "title": "Phase 3 Study of BI 207127 in Combination With Faldaprevir and Ribavirin for Treatment of Patients With Hepatitis C Infection, Including Patients Who Are Not Eligible to Receive Peginterferon: HCVerso2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "BI 207127-placebo: 8-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin: 24-week treatment",
          "type": "DRUG"
        },
        {
          "name": "BI 207127: 24-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Faldaprevir: 24-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin-placebo: 8-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Faldaprevir-placebo: 8-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Faldaprevir: 16-week treatment",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin: 16-week treatment",
          "type": "DRUG"
        },
        {
          "name": "RBV: 24-week treatment",
          "type": "DRUG"
        },
        {
          "name": "BI 207127: 16-week treatment",
          "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": 496,
      "start_date": "2012-11",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-02-12",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 31,
      "location_summary": "North Little Rock, Arkansas • Anaheim, California • Bakersfield, California + 28 more",
      "locations": [
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01728324"
    },
    {
      "nct_id": "NCT01356160",
      "title": "GS-5885 Alone or in Combination With GS-9451 With Peginterferon Alfa 2a and Ribavirin in Treatment Chronic Genotype 1 Hepatitis C Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "GS-5885",
          "type": "DRUG"
        },
        {
          "name": "GS-9451",
          "type": "DRUG"
        },
        {
          "name": "peginterferon alfa-2a",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ribavirin tablet",
          "type": "DRUG"
        },
        {
          "name": "GS-9451 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": 351,
      "start_date": "2011-07",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-02-03",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 21,
      "location_summary": "Tucson, Arizona • Beverly Hills, California • Coronado, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356160"
    },
    {
      "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": "2026-06-26T23:41:51.334Z",
      "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"
    },
    {
      "nct_id": "NCT01289782",
      "title": "An Efficacy, Safety, and Tolerability Study of TMC435 in Treatment-naive, Genotype 1 Hepatitis C-infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "TMC435",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alpha-2a (PegIFN alpha-2a)",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin (RBV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen R&D Ireland",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 395,
      "start_date": "2011-02",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-06-04",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 22,
      "location_summary": "Dothan, Alabama • Hoover, Alabama • Phoenix, Arizona + 19 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01289782"
    },
    {
      "nct_id": "NCT01030432",
      "title": "Study of BMS-650032 With Peginterferon Alfa-2a Plus Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "BMS-650032",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon 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": 285,
      "start_date": "2010-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Orlando, Florida + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01030432"
    },
    {
      "nct_id": "NCT02347345",
      "title": "Immunologic Effects of HCV Therapy With HARVONI in HCV Genotype 1 Chronically Mono-infected Active and Former IDUs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Harvoni (Fixed dose combination ledipasvir/sofosbuvir)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rockefeller University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 34,
      "start_date": "2016-11-15",
      "completion_date": "2016-11-15",
      "has_results": true,
      "last_update_posted_date": "2019-08-13",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02347345"
    },
    {
      "nct_id": "NCT01851330",
      "title": "Safety and Efficacy of Ledipasvir/Sofosbuvir Fixed-Dose Combination ± Ribavirin for the Treatment of HCV (ION-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "LDV/SOF",
          "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": 647,
      "start_date": "2013-05",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2018-11-16",
      "last_synced_at": "2026-06-26T23:41:51.334Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Los Angeles, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01851330"
    }
  ]
}