{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Concussion+Questionnaire",
    "query": {
      "intervention": "Concussion Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Concussion+Questionnaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T13:40:23.003Z",
  "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": "NCT02746523",
      "title": "Effects of Multiple Concussions in Retired NHL Players",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Deficits",
        "Proprioceptive Disorders"
      ],
      "interventions": [
        {
          "name": "Sensory Organization Test",
          "type": "OTHER"
        },
        {
          "name": "Biomarkers",
          "type": "GENETIC"
        },
        {
          "name": "Conners' Adult ADHD Rating Scale (CAARS)",
          "type": "OTHER"
        },
        {
          "name": "Depression Scale",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "New York Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "40 Years to 80 Years · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2016-03",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-28",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Old Westbury, New York",
      "locations": [
        {
          "city": "Old Westbury",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02746523"
    },
    {
      "nct_id": "NCT07071350",
      "title": "Randomized Controlled Trial of Treatment to Optimize Heart Rate Variability for Persistent Post-Concussion Symptoms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autonomic Nervous System Disease",
        "Concussive Injury",
        "Mild Traumatic Brain Injury",
        "Post Traumatic Stress Disorder",
        "Persistent Post Concussion Syndrome"
      ],
      "interventions": [
        {
          "name": "HRV Coherence Ratio",
          "type": "OTHER"
        },
        {
          "name": "NSI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pittsburgh Sleep Quality Index (PSQI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quantitative Sleep Measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Global Impression of Change (PGIC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Performance/NIH Toolbox Cognitive Battery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Interference/TBI-QoL Pain Interference Short-Form",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire-9 (PHQ-9)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PTSD Checklist for DSM-5 (PCL-5)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HRV Biofeedback (HRV-B)",
          "type": "OTHER"
        },
        {
          "name": "Psychoeducational (Edu) Comparator Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2025-09-02",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07071350"
    },
    {
      "nct_id": "NCT05780658",
      "title": "Feasibility of a Purpose in Life Renewal Intervention for Adults With Persistent Symptoms After Concussion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion; Syndrome"
      ],
      "interventions": [
        {
          "name": "Compass Course",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mary Radomski",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2023-03-08",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-17",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780658"
    },
    {
      "nct_id": "NCT06852300",
      "title": "Sport-Related Concussion Recovery in Athletes",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Concussion Mild",
        "Concussion, Brain"
      ],
      "interventions": [
        {
          "name": "Concussion Assessment Battery",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Central Arkansas",
      "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": 1000,
      "start_date": "2016-04-11",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2025-03-06",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Conway, Arkansas",
      "locations": [
        {
          "city": "Conway",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06852300"
    },
    {
      "nct_id": "NCT04058132",
      "title": "Cerebrovascular Reactivity Assessed With fNIRS as a Biomarker of TCVI After Acute Traumatic Brain Injury in Military",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Sildenafil Citrate 50Mg Tab",
          "type": "DRUG"
        },
        {
          "name": "functional Near-infrared Spectroscopy (fNIRS)",
          "type": "DEVICE"
        },
        {
          "name": "Carbon Dioxide (CO2) 5%",
          "type": "OTHER"
        },
        {
          "name": "Neuropsychological Assessments",
          "type": "OTHER"
        },
        {
          "name": "Gadolinium contrast infusion",
          "type": "DRUG"
        },
        {
          "name": "Blood sample collection for research purposes",
          "type": "PROCEDURE"
        },
        {
          "name": "Structural brain Magnetic Resonance Imaging (MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Uniformed Services University of the Health Sciences",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-08-09",
      "completion_date": "2020-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04058132"
    },
    {
      "nct_id": "NCT00693914",
      "title": "Working Memory Performance Among Childhood Brain Tumor Survivors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumors"
      ],
      "interventions": [
        {
          "name": "Series of tests/questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 130,
      "start_date": "2007-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-25",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00693914"
    },
    {
      "nct_id": "NCT04874389",
      "title": "Multidimensional Classification of Mild Traumatic Brain Injury (mTBI)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Multimodal Assessment",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Clea Tucker",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-05",
      "completion_date": "2021-08",
      "has_results": false,
      "last_update_posted_date": "2021-05-06",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04874389"
    },
    {
      "nct_id": "NCT02118220",
      "title": "Effects of Anesthesia on Pediatric Surgical Patients With a History of Concussion - Phase I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Post Concussion Symptoms"
      ],
      "interventions": [
        {
          "name": "Concussion Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "5 Years to 21 Years"
      },
      "enrollment_count": 125,
      "start_date": "2014-05",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-06",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02118220"
    },
    {
      "nct_id": "NCT06370520",
      "title": "Screening Emotions in Adolescents at the Hospital for mTBI",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Injury Traumatic Mild",
        "Brain Injuries",
        "Brain Injuries, Acute",
        "Head Injury With Intracranial Hemorrhage",
        "Head Injury Trauma",
        "Brain Injury Traumatic Focal With Loss of Consciousness",
        "Skull Fractures",
        "Diffuse Axonal Injury",
        "Intracranial Hemorrhages",
        "Head Injury"
      ],
      "interventions": [
        {
          "name": "Validated Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinician / Medical Record Variables",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 2592,
      "start_date": "2024-05-22",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 6,
      "location_summary": "Sacramento, California • Philadelphia, Pennsylvania • Providence, Rhode Island + 3 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06370520"
    },
    {
      "nct_id": "NCT05913505",
      "title": "Heart Rate Variability Biofeedback Following Traumatic Brain Injury",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "OSC-",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham Young University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-02-15",
      "completion_date": "2024-04-24",
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-07T13:40:23.003Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05913505"
    }
  ]
}