{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ccIIV4",
    "query": {
      "intervention": "ccIIV4"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T13:52:56.143Z",
  "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": "NCT02967393",
      "title": "Influenza Vaccine Feasibility Study in Children With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthmatic"
      ],
      "interventions": [
        {
          "name": "ccIIV4",
          "type": "DRUG"
        },
        {
          "name": "IIV4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-10-10",
      "completion_date": "2017-02-01",
      "has_results": true,
      "last_update_posted_date": "2018-04-23",
      "last_synced_at": "2026-09-03T13:52:56.143Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02967393"
    },
    {
      "nct_id": "NCT03743688",
      "title": "Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza",
        "Influenza, Human",
        "Vaccine Reaction",
        "Influenza A",
        "Influenza Type B",
        "Influenza A H1N1",
        "Influenza A H3N2"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine Recipients",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-12-04",
      "completion_date": "2019-07-26",
      "has_results": false,
      "last_update_posted_date": "2019-08-05",
      "last_synced_at": "2026-09-03T13:52:56.143Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03743688"
    },
    {
      "nct_id": "NCT03598439",
      "title": "Randomized Influenza Vaccine Evaluation of Immune Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Standard IIV4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Recombinant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell-culture",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 366,
      "start_date": "2018-07-30",
      "completion_date": "2024-07-09",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-09-03T13:52:56.143Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03598439"
    }
  ]
}