{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Soccer+Heading+Model",
    "query": {
      "intervention": "Soccer Heading Model"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T15:04:43.973Z",
  "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": "NCT04624152",
      "title": "The Role of Hypoxia on Subconcussive Head Impacts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trauma, Brain"
      ],
      "interventions": [
        {
          "name": "Soccer heading",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-10-22",
      "completion_date": "2019-05-01",
      "has_results": false,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-09-02T15:04:43.973Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624152"
    },
    {
      "nct_id": "NCT04919707",
      "title": "Youth Soccer Header Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Injuries"
      ],
      "interventions": [
        {
          "name": "Header Session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MRI Session",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 35,
      "start_date": "2021-08-16",
      "completion_date": "2021-12-20",
      "has_results": false,
      "last_update_posted_date": "2022-01-04",
      "last_synced_at": "2026-09-02T15:04:43.973Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04919707"
    },
    {
      "nct_id": "NCT05236127",
      "title": "The Effect of Intermittent Fasting on Acute Subconcussive Head Impacts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sports Injury",
        "Intermittent Fasting"
      ],
      "interventions": [
        {
          "name": "Soccer Heading",
          "type": "OTHER"
        },
        {
          "name": "Intermittent Fasting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-01-23",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-02T15:04:43.973Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05236127"
    },
    {
      "nct_id": "NCT06736925",
      "title": "Omega-3 Fatty Acids and Subconcussive Head Impacts",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Subconcussive Head Impact",
        "Omega-3 Fatty Acids"
      ],
      "interventions": [
        {
          "name": "Omega-3 Fatty Acids (EPA plus DHA)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Organic soybean oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soccer Heading Model",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 208,
      "start_date": "2025-02-28",
      "completion_date": "2029-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-02T15:04:43.973Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06736925"
    }
  ]
}