{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=45",
    "query": {
      "intervention": "HAV",
      "page": 45
    },
    "page_size": 10
  },
  "pagination": {
    "page": 45,
    "page_size": 10,
    "total_count": 1228,
    "total_pages": 123,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=46&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=44&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T08:28:42.132Z",
  "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": "NCT00107042",
      "title": "Effectiveness of Two Hepatitis B Vaccines in HIV-negative Youths",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Recombivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Twinrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 123,
      "start_date": "2004-02",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00107042"
    },
    {
      "nct_id": "NCT01066819",
      "title": "PROPHESYS 3: Observational Study on Predictors of Response in Patients With Treatment-naïve Chronic Hepatitis C Initiated on Treatment With Pegasys (Peginterferon Alfa-2a) or Peginterferon-alfa-2b",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Peginterferon alfa-2a [Pegasys]",
          "type": "DRUG"
        },
        {
          "name": "Peginterferon alfa-2b [PegIntron®]",
          "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": 1656,
      "start_date": "2008-01",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2016-08-08",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 105,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Fresno, California + 86 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01066819"
    },
    {
      "nct_id": "NCT00623428",
      "title": "A Study of Combination Therapy With PEGASYS (Pegylated Interferon Alfa-2a (40KD)) and Copegus (Ribavirin) in Patients With Chronic Hepatitis C Genotype 2 or 3 Who Do Not Achieve a Rapid Viral Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "peginterferon alfa-2a",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "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": 235,
      "start_date": "2008-06",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Lancaster, California + 32 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00623428"
    },
    {
      "nct_id": "NCT05397067",
      "title": "Linkage to Care for Persons With Hep C Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C, Chronic",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Peer specialist (PS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "telehealth visits",
          "type": "BEHAVIORAL"
        },
        {
          "name": "phone access",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carilion Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-07-12",
      "completion_date": "2025-02-04",
      "has_results": true,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397067"
    },
    {
      "nct_id": "NCT02845401",
      "title": "The Hepatitis B e-Antigen Negative Disease - Directly Offered Study of Treatment Withdrawal in Patients With e-Antigen Negative Chronic HBV Infection (BeNEG-DO).",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Hepatitis B Virus"
      ],
      "interventions": [
        {
          "name": "Stop NA therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "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": 121,
      "start_date": "2016-11-17",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02845401"
    },
    {
      "nct_id": "NCT02510300",
      "title": "A Registry for Adolescent and Pediatric Participants Who Received a Gilead Hepatitis C Virus Direct Acting Antiviral (DAA) in Gilead-Sponsored Chronic Hepatitis C Infection Trials",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "Sofosbuvir (SOF)",
          "type": "DRUG"
        },
        {
          "name": "Ledipasvir/Sofosbuvir (LDV/SOF)",
          "type": "DRUG"
        },
        {
          "name": "Sofosbuvir/Velpatasvir (SOF/VEL)",
          "type": "DRUG"
        },
        {
          "name": "Sofosbuvir/Velpatasvir/Voxilaprevir (SOF/VEL/VOX)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 461,
      "start_date": "2015-10-21",
      "completion_date": "2023-01-06",
      "has_results": false,
      "last_update_posted_date": "2023-01-27",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • San Francisco, California + 24 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02510300"
    },
    {
      "nct_id": "NCT00606086",
      "title": "Safety and Efficacy of the Therapeutic Vaccine GI-5005 Combined With Pegylated Interferon Plus Ribavirin Standard of Care Therapy Versus Standard of Care Alone in Patients With Genotype 1 Chronic Hepatitis C Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Genotype 1 Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "GI-5005",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Interferon and Ribavirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlobeImmune",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2007-12",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-27",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • La Jolla, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00606086"
    },
    {
      "nct_id": "NCT00749138",
      "title": "Fourteen Day Safety of Low-Dose Tamoxifen in Patients With Chronic Hepatitis C Who Have Failed Standard Medical Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bader, Ted, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-11",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2010-03-09",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00749138"
    },
    {
      "nct_id": "NCT03685708",
      "title": "HEPLISAV-B Hepatitis B Vaccine in Chronic Lymphocytic Leukemia (CLL) and CLL Treated With Bruton's-Tyrosine Kinase Inhibitor (BTK-I)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis",
        "Safety and Tolerability"
      ],
      "interventions": [
        {
          "name": "HEPLISAV-B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 78,
      "start_date": "2018-12-07",
      "completion_date": "2020-12-16",
      "has_results": true,
      "last_update_posted_date": "2022-02-08",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03685708"
    },
    {
      "nct_id": "NCT00031343",
      "title": "The Impact of HAART on Response to Hepatitis C Treatment in Patients Taking Peginterferon Alpha-2b and Ribavirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "highly active antiretroviral therapy (HAART)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 128,
      "start_date": "2002-02",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-28T08:28:42.132Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00031343"
    }
  ]
}