{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Axial+Length+Measurement+Device",
    "query": {
      "intervention": "Axial Length Measurement Device"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T07:56:33.292Z",
  "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": "NCT04505618",
      "title": "Optical Coherence Tomography Angiography in Subjects With Retinal Vascular Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Retinopathy",
        "Retinal Vein Occlusion",
        "Hypertension,Essential",
        "Retinal Vascular Disorder"
      ],
      "interventions": [
        {
          "name": "Swept-Source (SS) OCT Angiography",
          "type": "DEVICE"
        },
        {
          "name": "Spectral-Domain (SD) OCT Angiography",
          "type": "DEVICE"
        },
        {
          "name": "Fundus Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Axial Length Measurement Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1050,
      "start_date": "2019-10-01",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-02T07:56:33.292Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505618"
    },
    {
      "nct_id": "NCT07325162",
      "title": "Development of Optical Biometer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract and IOL Surgery"
      ],
      "interventions": [
        {
          "name": "New Investigational Optical Biometer (Device)",
          "type": "DEVICE"
        },
        {
          "name": "Comparator Device A (Cassini Ambient)",
          "type": "DEVICE"
        },
        {
          "name": "omparator Device B (Argos)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cassini Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-11-07",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-09-02T07:56:33.292Z",
      "location_count": 1,
      "location_summary": "Hilton Head Island, South Carolina",
      "locations": [
        {
          "city": "Hilton Head Island",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07325162"
    },
    {
      "nct_id": "NCT01729962",
      "title": "Comparative Study of the Optical Biometer for Measurements of the Eye",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Non-fluency",
        "Cataract",
        "Aphakic Eye",
        "Eyes With Corneal Abnormality"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Nidek Co. LTD.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2012-12",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-06-28",
      "last_synced_at": "2026-09-02T07:56:33.292Z",
      "location_count": 1,
      "location_summary": "Greensboro, North Carolina",
      "locations": [
        {
          "city": "Greensboro",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01729962"
    }
  ]
}