{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+Vaccine&page=3",
    "query": {
      "intervention": "Hepatitis B Vaccine",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 320,
    "total_pages": 32,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+Vaccine&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+Vaccine&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T15:25:34.278Z",
  "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": "NCT04503993",
      "title": "Healthy Planet Hepatitis B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Hepatitis B surface antigen, Hepatitis B core antibody, and Hepatitis B surface antibody",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 5004,
      "start_date": "2020-02-25",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-10",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04503993"
    },
    {
      "nct_id": "NCT04398134",
      "title": "A Study of ABI-H2158-containing Regimens in Participants With Chronic Hepatitis B Virus Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ABI-H2158",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Entecavir (ETV)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Assembly Biosciences",
      "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": 88,
      "start_date": "2020-08-28",
      "completion_date": "2021-12-28",
      "has_results": true,
      "last_update_posted_date": "2022-09-15",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 13,
      "location_summary": "Los Angeles, California • Pasadena, California • Redwood City, California + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398134"
    },
    {
      "nct_id": "NCT00507689",
      "title": "Truvada Versus Truvada Plus Hepatitis B Immunoglobulin (HBIg) in Prevention of Chronic Hepatitis B Recurrence Post Liver Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "Hepatitis B Immunoglobulin (HBIg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "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": 40,
      "start_date": "2007-09",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2014-03-14",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • San Francisco, California • Atlanta, Georgia + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507689"
    },
    {
      "nct_id": "NCT06624176",
      "title": "ShotBlocker During Intramuscular Injection Randomized Control Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neonatal Pain"
      ],
      "interventions": [
        {
          "name": "Bionix ShotBlocker",
          "type": "DEVICE"
        },
        {
          "name": "Swaddling",
          "type": "OTHER"
        },
        {
          "name": "Sucrose administration",
          "type": "OTHER"
        },
        {
          "name": "Masimo Rad-97 Oximeter probe",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Lauren Fortier",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "37 Weeks",
        "maximum_age": "42 Weeks",
        "sex": "ALL",
        "summary": "37 Weeks to 42 Weeks"
      },
      "enrollment_count": 200,
      "start_date": "2024-01-10",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06624176"
    },
    {
      "nct_id": "NCT00841477",
      "title": "An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis B Infection",
        "Hepatitis C Infection",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "hepatitis B vaccine 3 dose schedule (0,1,2 month)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HBV Vaccination Self-Efficacy Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1260,
      "start_date": "2004-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00841477"
    },
    {
      "nct_id": "NCT05867056",
      "title": "Study of IMC-I109V in Non-cirrhotic HBeAg-negative Chronic HBV Infection",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis B, Chronic"
      ],
      "interventions": [
        {
          "name": "IMC-I109V Single Ascending Dose",
          "type": "DRUG"
        },
        {
          "name": "IMC-I109V Multiple Ascending Doses",
          "type": "DRUG"
        },
        {
          "name": "HBV HCC Module MAD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Immunocore Ltd",
      "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": 0,
      "start_date": "2020-08-12",
      "completion_date": "2024-12-15",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Cleveland, Ohio",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05867056"
    },
    {
      "nct_id": "NCT04326660",
      "title": "SCOPE-Chinese Women Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer, Breast",
        "Obesity, Abdominal"
      ],
      "interventions": [
        {
          "name": "SCOPE-Chinese Women",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-20",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-22",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04326660"
    },
    {
      "nct_id": "NCT00994773",
      "title": "Simvastatin for the Treatment of Chronic Hepatitis B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Simvastatin",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "Entecavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bader, Ted, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2009-12",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-08-16",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00994773"
    },
    {
      "nct_id": "NCT00013702",
      "title": "Adefovir Dipivoxil to Treat Hepatitis B in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis B",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Adefovir",
          "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": 30,
      "start_date": "2001-03",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013702"
    },
    {
      "nct_id": "NCT00722332",
      "title": "Evaluation of HepaGam B® in Combination With Antiviral Treatment in Hepatitis B Liver Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis B",
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "HepaGam B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Cangene Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9,
      "start_date": "2008-02",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-11-01",
      "last_synced_at": "2026-10-08T15:25:34.278Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Palo Alto, California • Atlanta, Georgia + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722332"
    }
  ]
}