{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HIT-6+Questionnaire",
    "query": {
      "intervention": "HIT-6 Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T07:56:07.204Z",
  "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": "NCT03902496",
      "title": "Optical Treatment of Migraines Using the Avulux™ Optical Filter in the Form of Spectacle Lenses.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "HIT-6 Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Avulux Spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Sham Spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Avulux, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2019-03-18",
      "completion_date": "2019-05-17",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-02T07:56:07.204Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03902496"
    },
    {
      "nct_id": "NCT05312645",
      "title": "Diclofenac Gel in the Treatment of Cervicogenic Headache",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cervicogenic Headache"
      ],
      "interventions": [
        {
          "name": "Diclofenac 1% Topical",
          "type": "DRUG"
        },
        {
          "name": "Petroleum Jelly",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-12",
      "completion_date": "2024-08-21",
      "has_results": false,
      "last_update_posted_date": "2025-01-23",
      "last_synced_at": "2026-09-02T07:56:07.204Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05312645"
    },
    {
      "nct_id": "NCT04976985",
      "title": "Osteopathic Manipulative Treatment and Migraine Headaches",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Migraine",
        "Migraine Disorders",
        "Headache Disorders",
        "Headache, Migraine"
      ],
      "interventions": [
        {
          "name": "Osteopathic Manipulative Therapy (OMT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "St. Luke's Hospital, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 140,
      "start_date": "2018-10-02",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-03",
      "last_synced_at": "2026-09-02T07:56:07.204Z",
      "location_count": 1,
      "location_summary": "Bethlehem, Pennsylvania",
      "locations": [
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04976985"
    },
    {
      "nct_id": "NCT05922514",
      "title": "A Clinical Registry of Spontaneous Intracranial Hypotension",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spontaneous Intracranial Hypotension"
      ],
      "interventions": [
        {
          "name": "Transvenous Embolization of Cerebrospinal Fluid-Venous Fistula",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2023-06-18",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-09-02T07:56:07.204Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05922514"
    },
    {
      "nct_id": "NCT03163901",
      "title": "The Effect of OMT on Functional Outcomes and Anti-inflammatory Biomarkers in Mild to Moderate Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vestibular Disorder",
        "Headache",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Osteopathic Manipulative Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2017-09-18",
      "completion_date": "2020-02-29",
      "has_results": false,
      "last_update_posted_date": "2020-06-24",
      "last_synced_at": "2026-09-02T07:56:07.204Z",
      "location_count": 1,
      "location_summary": "Mason, Michigan",
      "locations": [
        {
          "city": "Mason",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03163901"
    }
  ]
}