{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=43",
    "query": {
      "intervention": "HAV",
      "page": 43
    },
    "page_size": 10
  },
  "pagination": {
    "page": 43,
    "page_size": 10,
    "total_count": 1228,
    "total_pages": 123,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=44&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HAV&page=42&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T11:35:44.816Z",
  "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": "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": "2026-10-27T11:35:44.816Z",
      "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": "NCT00375011",
      "title": "Breath Test to Assess Hepatic Metabolic Reserve and to Predict Hepatic Decompensation in Cirrhotics",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cirrhosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Meridian Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2008-09",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 2,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00375011"
    },
    {
      "nct_id": "NCT03577171",
      "title": "A Study Evaluating ABI-H0731+ Entecavir vs Entecavir Alone for the Treatment of Viremic HBeAg-positive Participants With Chronic Hepatitis B Virus Infection (cHBV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ABI-H0731",
          "type": "DRUG"
        },
        {
          "name": "SOC ETV",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Assembly Biosciences",
      "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": "2018-06-19",
      "completion_date": "2019-06-21",
      "has_results": true,
      "last_update_posted_date": "2021-01-28",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 7,
      "location_summary": "Coronado, California • Los Angeles, California • San Diego, California + 4 more",
      "locations": [
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03577171"
    },
    {
      "nct_id": "NCT03551002",
      "title": "Impact of DAA Uptake in Controlling HCV Epidemic and Modeling Interventions for HCV Elimination Among HIV-infected Persons in San Diego",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C",
        "Hepatitis C, Chronic",
        "HIV/AIDS"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2018-01-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03551002"
    },
    {
      "nct_id": "NCT03057236",
      "title": "Pilot Feasibility Study of a Cognitive Behavioral Coping Skills (CBCS) Group Intervention for Hep C Therapy Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C",
        "Hepatitis C, Chronic"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavior Coping Skills",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2014-03-01",
      "completion_date": "2014-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-02-20",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03057236"
    },
    {
      "nct_id": "NCT03312699",
      "title": "Effects of Aging on Primary and Secondary Vaccine Responses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Hepatitis A",
        "Typhoid",
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Fluzone® quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluad",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaqta",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Typhim Vi",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vivotif",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2017-09-19",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-16",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03312699"
    },
    {
      "nct_id": "NCT00496002",
      "title": "Efficacy and Safety of Clevudine Compared With Adefovir in Patients With HBeAg Positive Chronic Hepatitis Due to Hepatitis B Virus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Hepatitis",
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Clevudine",
          "type": "DRUG"
        },
        {
          "name": "Adefovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmasset",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2007-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-04-27",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Anaheim, California • Fresno, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00496002"
    },
    {
      "nct_id": "NCT01341275",
      "title": "Adolescents' Response to Hepatitis B Vaccine Booster Dose",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "hepatitis B vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "16 Years to 19 Years"
      },
      "enrollment_count": 400,
      "start_date": "2010-04",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2011-04-25",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01341275"
    },
    {
      "nct_id": "NCT01265511",
      "title": "Study of SCY-635, Pegasys and Copegus in Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C Infection"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "SCY-635",
          "type": "DRUG"
        },
        {
          "name": "Pegasys",
          "type": "DRUG"
        },
        {
          "name": "Copegus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Scynexis, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2010-11",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2017-08-18",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Durham, North Carolina • San Antonio, Texas",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01265511"
    },
    {
      "nct_id": "NCT02201953",
      "title": "Comparison of Sofosbuvir/Velpatasvir Fixed Dose Combination for 12 Weeks With Sofosbuvir and Ribavirin for 24 Weeks in Adults With Chronic Genotype 3 HCV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "SOF/VEL",
          "type": "DRUG"
        },
        {
          "name": "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": 558,
      "start_date": "2014-07",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-16",
      "last_synced_at": "2026-10-27T11:35:44.816Z",
      "location_count": 25,
      "location_summary": "Los Angeles, California • Sacramento, California • San Diego, California + 21 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02201953"
    }
  ]
}