{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?nctId=NCT03191383",
    "query": {
      "nctId": "NCT03191383"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T05:12:39.624Z",
  "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": "NCT03191383",
      "title": "A Study to Evaluate the Safety, Reactogenicity and Immunogenicity of the GlaxoSmithKline (GSK) Biologicals' Respiratory Syncytial Virus (RSV) Investigational Vaccine (GSK3003891A) in Healthy Pregnant Women and Infants Born to Vaccinated Mothers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV vaccine (GSK3003891A) formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV vaccine (GSK3003891A) formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV vaccine (GSK3003891A) formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (Formulation buffer S9b)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2017-07-11",
      "completion_date": "2017-07-14",
      "has_results": false,
      "last_update_posted_date": "2018-10-15",
      "last_synced_at": "2026-09-08T05:12:39.624Z",
      "location_count": 3,
      "location_summary": "Newton, Kansas • Syracuse, New York • Ellensburg, Washington",
      "locations": [
        {
          "city": "Newton",
          "state": "Kansas"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Ellensburg",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03191383"
    }
  ]
}