{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B&page=2",
    "query": {
      "intervention": "Hepatitis B",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T12:14:58.158Z",
  "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": "NCT05621304",
      "title": "Optimizing HBV Care Cascade Among Foreign-Born in the United States (FOCUS-HBV Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Hepatitis B Virus (Hbv)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 274,
      "start_date": "2017-01-03",
      "completion_date": "2026-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Bethesda, Maryland",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05621304"
    },
    {
      "nct_id": "NCT02452528",
      "title": "Study of ARC-520 in Participants With Hepatitis B Virus e Antigen (HBeAg) Positive Chronic Hepatitis B Virus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ARC-520",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Entecavir",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arrowhead Pharmaceuticals",
      "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": 4,
      "start_date": "2015-08",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Miami, Florida • New York, New York + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02452528"
    },
    {
      "nct_id": "NCT01831037",
      "title": "The Regression of Liver Fibrosis and Risk for Hepatocellular Carcinoma (ROLFH) Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Hepatitis C",
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Regression of fibrosis",
          "type": "OTHER"
        },
        {
          "name": "Specific risk factors related to hepatocellular carcinoma",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-07",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-28",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 2,
      "location_summary": "Little Rock, Arkansas • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831037"
    },
    {
      "nct_id": "NCT00281502",
      "title": "The Role of Bacterial Overgrowth and Delayed Intestinal Transit in Hepatic Encephalopathy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatic Encephalopathy",
        "Hepatitis C",
        "Liver Cirrhosis"
      ],
      "interventions": [
        {
          "name": "Rifaximin (drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2005-12",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2010-11-05",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00281502"
    },
    {
      "nct_id": "NCT00001712",
      "title": "Frequency of Parenteral and Non-Parenteral Exposures to Blood Among Healthcare Workers at the Clinical Center, NIH and at Seven Academic Hospitals in Japan",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis B",
        "Hepatitis C",
        "HIV Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3400,
      "start_date": "1998-02",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001712"
    },
    {
      "nct_id": "NCT00001119",
      "title": "Effects on the Immune System of Anti-HIV Drugs in Patients Recently Infected With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tetanus Toxoid Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Abacavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Amprenavir",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz",
          "type": "DRUG"
        },
        {
          "name": "Hepatitis B Vaccine (Recombinant)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 288,
      "start_date": "1999-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-03-02",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 11,
      "location_summary": "San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001119"
    },
    {
      "nct_id": "NCT01497327",
      "title": "Open-Label Hepatic Impairment Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "PSI-352938",
          "type": "DRUG"
        },
        {
          "name": "PSI-7977",
          "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": 24,
      "start_date": "2011-07",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-06-08",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01497327"
    },
    {
      "nct_id": "NCT03664648",
      "title": "DV2-HBV-27: Observational Pregnancy Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnant"
      ],
      "interventions": [
        {
          "name": "HEPLISAV-B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Dynavax Technologies Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2021-02-21",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2023-09-18",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03664648"
    },
    {
      "nct_id": "NCT01548690",
      "title": "Safety Study of Ornithine Phenylacetate to Treat Patients With Acute Liver Failure/Severe Acute Liver Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Liver Failure",
        "Acute Liver Injury"
      ],
      "interventions": [
        {
          "name": "Ornithine Phenylacetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "William Lee",
      "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": 47,
      "start_date": "2012-06",
      "completion_date": "2017-02-23",
      "has_results": true,
      "last_update_posted_date": "2018-10-30",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 11,
      "location_summary": "San Francisco, California • New Haven, Connecticut • Atlanta, Georgia + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01548690"
    },
    {
      "nct_id": "NCT01441180",
      "title": "GS-7977 With Ribavirin for Hepatitis C (SPARE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "GS7977",
          "type": "DRUG"
        },
        {
          "name": "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": 60,
      "start_date": "2011-09",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-09-27T12:14:58.158Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01441180"
    }
  ]
}