{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SmartHMD+version+4",
    "query": {
      "intervention": "SmartHMD version 4"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T01:08:38.633Z",
  "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": "NCT03781583",
      "title": "SmartHMD for Improved Mobility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Vision",
        "Orientation",
        "Mobility Limitation",
        "Navigation, Spatial",
        "Visual Impairment"
      ],
      "interventions": [
        {
          "name": "SmartHMD version 1",
          "type": "DEVICE"
        },
        {
          "name": "SmartHMD version 2",
          "type": "DEVICE"
        },
        {
          "name": "SmartHMD version 3",
          "type": "DEVICE"
        },
        {
          "name": "SmartHMD version 4",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "James Weiland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "14 Years to 89 Years"
      },
      "enrollment_count": 21,
      "start_date": "2019-04-26",
      "completion_date": "2022-11-07",
      "has_results": true,
      "last_update_posted_date": "2024-12-12",
      "last_synced_at": "2026-09-08T01:08:38.633Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03781583"
    }
  ]
}