{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Havrix%E2%84%A2",
    "query": {
      "intervention": "Havrix™"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T16:14:18.951Z",
  "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": "NCT00197015",
      "title": "Immunogenicity & Safety of Hepatitis A Vaccine Co-admin With a Measles/Mumps/Rubella & a Varicella Vaccine in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis A"
      ],
      "interventions": [
        {
          "name": "Havrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R®II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VARIVAX®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "12 Months to 13 Months"
      },
      "enrollment_count": 1474,
      "start_date": "2003-10-06",
      "completion_date": "2009-06-09",
      "has_results": true,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 42,
      "location_summary": "Cabot, Arkansas • Jonesboro, Arkansas • North Little Rock, Arkansas + 37 more",
      "locations": [
        {
          "city": "Cabot",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197015"
    },
    {
      "nct_id": "NCT00197236",
      "title": "Immunogenicity and Safety of Havrix™ Co-Administered With a Diphtheria, Tetanus and Pertussis and a Haemophilus b Vaccine in Children Aged 15 Months",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis A"
      ],
      "interventions": [
        {
          "name": "Havrix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infanrix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "12 Months to 13 Months"
      },
      "enrollment_count": 468,
      "start_date": "2003-11-11",
      "completion_date": "2007-12-03",
      "has_results": true,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Oakland, California • San Ramon, California + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Ramon",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197236"
    },
    {
      "nct_id": "NCT00578175",
      "title": "Immunogenicity and Safety of GlaxoSmithKline Biologicals' MMRV Vaccine vs. ProQuad® in Children 12-14 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Varicella",
        "Rubella",
        "Mumps",
        "Measles"
      ],
      "interventions": [
        {
          "name": "Priorix-Tetra™ (MMRV vaccine 208136)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ProQuad®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "14 Months",
        "sex": "ALL",
        "summary": "12 Months to 14 Months"
      },
      "enrollment_count": 1851,
      "start_date": "2007-11-20",
      "completion_date": "2009-03-17",
      "has_results": true,
      "last_update_posted_date": "2018-10-09",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 141,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 125 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Benton",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578175"
    },
    {
      "nct_id": "NCT06824181",
      "title": "Study of Mixed Vaccination Schedules With a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Immunization"
      ],
      "interventions": [
        {
          "name": "PCV21 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 20 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaxelis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Priorix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VAQTA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "89 Days",
        "sex": "ALL",
        "summary": "42 Days to 89 Days"
      },
      "enrollment_count": 580,
      "start_date": "2025-02-27",
      "completion_date": "2027-09-10",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 17,
      "location_summary": "Los Angeles, California • Hollywood, Florida • Miami, Florida + 13 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06824181"
    },
    {
      "nct_id": "NCT00474526",
      "title": "A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningitis, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Meningococcal ACWY Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV-HBV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 7-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HAV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMR-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "2 Months to 2 Months"
      },
      "enrollment_count": 4545,
      "start_date": "2007-03",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-24",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 53,
      "location_summary": "Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more",
      "locations": [
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474526"
    },
    {
      "nct_id": "NCT00057330",
      "title": "HerpeVac Trial for Young Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Simplex Infection"
      ],
      "interventions": [
        {
          "name": "HSV vaccine or SB208141, GSK Biologicals' glycoprotein D (gD)-Alum/3-deacylated form of Monophosphoryl Lipid A (MPL) candidate genital herpes vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix™, GlaxoSmithKline (GSK) Biologicals' licensed Hepatitis A vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 8323,
      "start_date": "2003-01-14",
      "completion_date": "2009-08-22",
      "has_results": true,
      "last_update_posted_date": "2018-08-27",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 67,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Mesa, Arizona + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00057330"
    },
    {
      "nct_id": "NCT00122681",
      "title": "Human Papilloma Virus (HPV) Vaccine Efficacy Trial Against Cervical Pre-cancer in Young Adults With GlaxoSmithKline (GSK) Biologicals HPV-16/18",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infections, Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Cervarix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix™-based investigational formulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 25 Years · Female only"
      },
      "enrollment_count": 18729,
      "start_date": "2004-05-06",
      "completion_date": "2009-11-26",
      "has_results": true,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Fountain Valley, California • San Diego, California + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00122681"
    },
    {
      "nct_id": "NCT06824194",
      "title": "Study of the Safety of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Immunization"
      ],
      "interventions": [
        {
          "name": "PCV21 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 20 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaxelis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Priorix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VAQTA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "89 Days",
        "sex": "ALL",
        "summary": "42 Days to 89 Days"
      },
      "enrollment_count": 2360,
      "start_date": "2025-02-18",
      "completion_date": "2027-10-22",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 103,
      "location_summary": "Birmingham, Alabama • Guntersville, Alabama • Oneonta, Alabama + 81 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Guntersville",
          "state": "Alabama"
        },
        {
          "city": "Oneonta",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06824194"
    },
    {
      "nct_id": "NCT00197002",
      "title": "Immune Response & Safety of a Hepatitis A Vaccine Given Together With a Pneumococcal Vaccine in Healthy Children 15 m of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis A"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals 2-dose inactivated hepatitis A vaccine (Havrix)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "12 Months to 13 Months"
      },
      "enrollment_count": 521,
      "start_date": "2003-09-11",
      "completion_date": "2006-01-16",
      "has_results": true,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-09-21T16:14:18.951Z",
      "location_count": 18,
      "location_summary": "Centennial, Colorado • Bardstown, Kentucky • Louisville, Kentucky + 13 more",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197002"
    }
  ]
}