{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Haemophilus+Influenzae+Type+B+Infection",
    "query": {
      "condition": "Haemophilus Influenzae Type B Infection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Haemophilus+Influenzae+Type+B+Infection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T10:54:19.223Z",
  "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": "NCT00662870",
      "title": "Study of the Safety, Immunogenicity and Lot Comparability of DAPTACEL When Administered With Other Recommended Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diphtheria",
        "Tetanus",
        "Whooping Cough",
        "Polio",
        "Haemophilus Influenzae Type b"
      ],
      "interventions": [
        {
          "name": "DAPTACEL® (Diphtheria and Tetanus Toxoids and Acellular Pertussis vaccine)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentacel: DTaP-IPV/Hib",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "84 Days",
        "sex": "ALL",
        "summary": "42 Days to 84 Days"
      },
      "enrollment_count": 1941,
      "start_date": "2001-05",
      "completion_date": "2004-01",
      "has_results": false,
      "last_update_posted_date": "2012-01-31",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 26,
      "location_summary": "Fayetteville, AR 72703, Arkansas • Jonesboro, AR 72401, Arkansas • Little Rock, AR 72211, Arkansas + 23 more",
      "locations": [
        {
          "city": "Fayetteville, AR 72703",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro, AR 72401",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock, AR 72211",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley, CA 92708",
          "state": "California"
        },
        {
          "city": "Englewood, CO 80112",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662870"
    },
    {
      "nct_id": "NCT00359983",
      "title": "Long-Term Antibody Persistence at 1, 3 and 5 Years After a Fourth Dose of GSK Biologicals' Hib-MenCY-TT Vaccine Compared to ActHIB",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neisseria Meningitidis",
        "Haemophilus Influenzae Type b"
      ],
      "interventions": [
        {
          "name": "MenHibrix (Hib-MenCY-TT)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib conjugate vaccine (ActHIB)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Months",
        "maximum_age": "60 Months",
        "sex": "ALL",
        "summary": "22 Months to 60 Months"
      },
      "enrollment_count": 270,
      "start_date": "2006-09",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Fountain Valley, California • Norwich, Connecticut + 15 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Norwich",
          "state": "Connecticut"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Woodstock",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00359983"
    },
    {
      "nct_id": "NCT00384397",
      "title": "A Study of 2 Doses of Menactra®, a Meningococcal Conjugate Vaccine in Healthy Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "249 Days",
        "maximum_age": "305 Days",
        "sex": "ALL",
        "summary": "249 Days to 305 Days"
      },
      "enrollment_count": 1128,
      "start_date": "2006-09",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 39,
      "location_summary": "Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 35 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384397"
    },
    {
      "nct_id": "NCT00153556",
      "title": "Study to Eliminate Hib Carriage in Rural Alaska Native Villages",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Haemophilus Influenzae Type B",
        "Carrier State"
      ],
      "interventions": [
        {
          "name": "Hib conjugate vaccine (HbOC, Wyeth Vaccines)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 3200,
      "start_date": "2001-09",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2005-09-12",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00153556"
    },
    {
      "nct_id": "NCT01000974",
      "title": "Consistency & Immunogenicity Study of 3 Lots of GSK's Hib Conjugate Vaccine Versus ActHIB & Pentacel in Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Haemophilus Influenzae Type b"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals' Haemophilus influenzae type b vaccine (GSK 208108)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentacel™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediarix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotarix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Engerix™-B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infanrix™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 12 Weeks"
      },
      "enrollment_count": 4003,
      "start_date": "2010-06-18",
      "completion_date": "2013-07-17",
      "has_results": true,
      "last_update_posted_date": "2018-07-12",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 63,
      "location_summary": "Dothan, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 59 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Benton",
          "state": "Arkansas"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000974"
    },
    {
      "nct_id": "NCT00483574",
      "title": "Study of the Safety of Menactra® Vaccine When Administered With Other Pediatric Vaccines to Healthy Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Menactra®: Meningococcal Polysaccharide Diphtheria Toxoid Conjugate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles-mumps-rubella-varicella vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Routine paediatric vaccine - Pneumococcal conjugate (PCV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Routine paediatric vaccine - Hepatitis A",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "9 Months to 12 Months"
      },
      "enrollment_count": 1378,
      "start_date": "2007-05",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-05-16",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 78,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Pinson, Alabama + 68 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Pinson",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00483574"
    },
    {
      "nct_id": "NCT00289783",
      "title": "Safety and Immunogenicity Study of Hib-MenCY-TT Vaccine Compared to Licensed Hib Conjugate Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Haemophilus Influenzae Type b",
        "Neisseria Meningitidis"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis 792014 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PedvaxHIB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar",
          "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": "6 Weeks",
        "maximum_age": "15 Months",
        "sex": "ALL",
        "summary": "6 Weeks to 15 Months"
      },
      "enrollment_count": 4441,
      "start_date": "2006-02-22",
      "completion_date": "2008-02-26",
      "has_results": true,
      "last_update_posted_date": "2018-08-24",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 88,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Bryant, Arkansas + 76 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bryant",
          "state": "Arkansas"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289783"
    },
    {
      "nct_id": "NCT04978818",
      "title": "Immunogenicity of H. Influenzae Type b PRP-OMP Vaccines in American Indian and Alaska Native Children (the HibVax Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Haemophilus Influenzae Type B Infection"
      ],
      "interventions": [
        {
          "name": "Vaxelis",
          "type": "DRUG"
        },
        {
          "name": "PedvaxHIB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 12 Weeks"
      },
      "enrollment_count": 333,
      "start_date": "2022-01-27",
      "completion_date": "2023-10-26",
      "has_results": true,
      "last_update_posted_date": "2024-06-24",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 5,
      "location_summary": "Anchorage, Alaska • Chinle, Arizona • Fort Defiance, Arizona + 2 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chinle",
          "state": "Arizona"
        },
        {
          "city": "Fort Defiance",
          "state": "Arizona"
        },
        {
          "city": "Gallup",
          "state": "New Mexico"
        },
        {
          "city": "Shiprock",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04978818"
    },
    {
      "nct_id": "NCT00804284",
      "title": "Database Surveillance Safety Study of PENTACEL® Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diphtheria",
        "Tetanus",
        "Pertussis",
        "Haemophilus Influenzae"
      ],
      "interventions": [
        {
          "name": "DTaP-IPV/Hib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Other DTap Vaccines",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "24 Months",
        "sex": "MALE",
        "summary": "6 Weeks to 24 Months · Male only"
      },
      "enrollment_count": 62538,
      "start_date": "2008-09",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-08-19",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00804284"
    },
    {
      "nct_id": "NCT02096263",
      "title": "Study to Determine the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals; Infanrix Hexa at 2, 4 and 6 Months of Age in Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Poliomyelitis",
        "Diphtheria",
        "Haemophilus Influenzae Type b",
        "Tetanus",
        "Acellular Pertussis",
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "Infanrix hexa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentacel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Engerix-B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infanrix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hiberix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotarix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 12 Weeks"
      },
      "enrollment_count": 585,
      "start_date": "2014-04-16",
      "completion_date": "2015-11-13",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-07-21T10:54:19.223Z",
      "location_count": 43,
      "location_summary": "Tucson, Arizona • Fayetteville, Arkansas • Anaheim, California + 38 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02096263"
    }
  ]
}