{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Q-Collar",
    "query": {
      "intervention": "Q-Collar"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T15:12:41.692Z",
  "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": "NCT03014492",
      "title": "Concussion Prevention in Female Soccer Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild",
        "Concussion, Brain"
      ],
      "interventions": [
        {
          "name": "Q Collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 19 Years · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2016-06",
      "completion_date": "2018-07",
      "has_results": true,
      "last_update_posted_date": "2020-11-04",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014492"
    },
    {
      "nct_id": "NCT02696200",
      "title": "Protection Against Potential Brain Injury During Competitive Football",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion"
      ],
      "interventions": [
        {
          "name": "Q Collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 62,
      "start_date": "2015-05",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2020-12-09",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02696200"
    },
    {
      "nct_id": "NCT02271451",
      "title": "Q-collar and Brain Injury Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion"
      ],
      "interventions": [
        {
          "name": "Q collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 15,
      "start_date": "2014-10",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2020-09-04",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02271451"
    },
    {
      "nct_id": "NCT05441540",
      "title": "Internal Jugular Vein Compression Collar for Novel Symptomatic Treatment of Venous Pulsatile Tinnitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulsatile Tinnitus"
      ],
      "interventions": [
        {
          "name": "Internal Jugular Vein Compression Collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-10-27",
      "completion_date": "2023-07-30",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05441540"
    },
    {
      "nct_id": "NCT03017937",
      "title": "Sex and Age Ultrasound Response to Differential Jugular Vein Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild"
      ],
      "interventions": [
        {
          "name": "Q-collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "7 Years to 60 Years"
      },
      "enrollment_count": 155,
      "start_date": "2016-11",
      "completion_date": "2019-06",
      "has_results": true,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03017937"
    },
    {
      "nct_id": "NCT04068883",
      "title": "Controlled DTI Evaluations in High School Football and Female Soccer to Evaluate Efficacy of Jugular Compression Collar",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MTBI - Mild Traumatic Brain Injury",
        "Concussion, Mild"
      ],
      "interventions": [
        {
          "name": "Q collar",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 488,
      "start_date": "2018-07-01",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-24",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04068883"
    },
    {
      "nct_id": "NCT03318822",
      "title": "Usability and Tolerability of Novel Protection Device Against Potential Brain Injury During Competitive Sport",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Injuries, Traumatic",
        "Brain Injury Traumatic Mild"
      ],
      "interventions": [
        {
          "name": "Q-Collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "14 Years to 49 Years"
      },
      "enrollment_count": 200,
      "start_date": "2017-08-01",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-06",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03318822"
    },
    {
      "nct_id": "NCT03236389",
      "title": "Brain Dynamics in Response to Jugular Vein Compression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild"
      ],
      "interventions": [
        {
          "name": "Q Collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "7 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-09",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03236389"
    },
    {
      "nct_id": "NCT06826781",
      "title": "Evaluating Q-Collar Effects on Brain Blood Flow Control During Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Q30 Q-Collar",
          "type": "DEVICE"
        },
        {
          "name": "Not wearing Q-Collar",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "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": 20,
      "start_date": "2025-07-23",
      "completion_date": "2026-08-23",
      "has_results": false,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06826781"
    },
    {
      "nct_id": "NCT03017924",
      "title": "Novel Protection Against Potential Brain, Hearing and Vision Injury During Blast Wave Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild"
      ],
      "interventions": [
        {
          "name": "Q collar",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2016-12",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2021-02-16",
      "last_synced_at": "2026-09-02T15:12:41.692Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03017924"
    }
  ]
}