{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Typhoid+Vaccine",
    "query": {
      "intervention": "Typhoid Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Typhoid+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T12:09:33.493Z",
  "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": "NCT03705585",
      "title": "CVD 38000: Study of Responses to Vaccination With Typhoid and/or Cholera",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Typhoid and/or Cholera Vaccination"
      ],
      "interventions": [
        {
          "name": "Vivotif Typhoid Oral Vaccine",
          "type": "DRUG"
        },
        {
          "name": "Vaxchora",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2018-11-05",
      "completion_date": "2029-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03705585"
    },
    {
      "nct_id": "NCT00326443",
      "title": "CVD 909 Vi Prime Boost Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Typhoid Fever"
      ],
      "interventions": [
        {
          "name": "CVD 909",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Vi Polysaccharide",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 21,
      "start_date": "2006-02",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00326443"
    },
    {
      "nct_id": "NCT05346302",
      "title": "Persistent Readiness Through Early Prediction Immunization Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Inflammatory Response"
      ],
      "interventions": [
        {
          "name": "Pneumovax 23",
          "type": "DRUG"
        },
        {
          "name": "Typhim VI",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 249,
      "start_date": "2022-02-08",
      "completion_date": "2022-12-21",
      "has_results": false,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05346302"
    },
    {
      "nct_id": "NCT02391909",
      "title": "Phase 4 Study To Assess The Safety Of Vivotif At Different Release Titers Among Travelers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Typhoid Fever"
      ],
      "interventions": [
        {
          "name": "Vivotif",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 855,
      "start_date": "2015-08-26",
      "completion_date": "2017-02-21",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02391909"
    },
    {
      "nct_id": "NCT03048929",
      "title": "Inflammation and Threat Sensitivity in PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Typhoid Vi Polysaccharide Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-04-01",
      "completion_date": "2021-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03048929"
    },
    {
      "nct_id": "NCT04543877",
      "title": "WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Inflammation",
        "Vaccine",
        "Intestinal Permeability",
        "Typhoid Fever"
      ],
      "interventions": [
        {
          "name": "Inulin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ty21a Typhoid Fever Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BIOLOGICAL"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-09-27",
      "completion_date": "2025-06-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04543877"
    },
    {
      "nct_id": "NCT03971669",
      "title": "Blood Donor CVD 5000",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Vivotif Typhoid Oral Vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2004-01-16",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03971669"
    },
    {
      "nct_id": "NCT03968211",
      "title": "Undetectable IgE as a Sentinel Biomarker for Humoral Immunodeficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Immune Deficiency"
      ],
      "interventions": [
        {
          "name": "Salmonella typhi polysaccharide vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 37,
      "start_date": "2019-07-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-29",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03968211"
    },
    {
      "nct_id": "NCT00386789",
      "title": "Long Term Protection by and Persistence of Vi Antibodies Induced by Vi-rEPA Conjugate Vaccines in Vietnamese Children Injected at 2-5 Years or at 5-8 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Typhoid Fever"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "10 Years to 13 Years"
      },
      "enrollment_count": 0,
      "start_date": "2006-10-05",
      "completion_date": "2008-06-17",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00386789"
    },
    {
      "nct_id": "NCT02415387",
      "title": "Typhoid Vaccine in Testing Response to Immune Stress in Patients With Stage I-IIIA Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cognitive Side Effects of Cancer Therapy",
        "Depression",
        "Recurrent Breast Carcinoma",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer"
      ],
      "interventions": [
        {
          "name": "typhoid vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 80 Years · Female only"
      },
      "enrollment_count": 172,
      "start_date": "2014-01-01",
      "completion_date": "2021-04-27",
      "has_results": true,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-09-10T12:09:33.493Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415387"
    }
  ]
}