{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Narrow+Angle",
    "query": {
      "condition": "Narrow Angle"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T20:06:14.088Z",
  "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": "NCT01895686",
      "title": "Comparison of Gonioscopy With Cirrus and Visante",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Open Angle Glaucoma",
        "Narrow Angles",
        "Angle Closure Glaucoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2011-11",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-07-22T20:06:14.088Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01895686"
    },
    {
      "nct_id": "NCT02613533",
      "title": "Water Drinking Test in Patients With Occludable Angle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Intra-ocular pressure measurement (IOP)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 20,
      "start_date": "2010-02",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-30",
      "last_synced_at": "2026-07-22T20:06:14.088Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02613533"
    },
    {
      "nct_id": "NCT06373354",
      "title": "Comparison of Conspicuity of Masses and Architectural Distortions Between Wide- and Narrow-angle Digital Breast Tomosynthesis Systems",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Architectural Distortions",
        "Breast Tomosynthesis"
      ],
      "interventions": [
        {
          "name": "Digital Breast Tomosynthesis (DBT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 100,
      "start_date": "2024-10-18",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-07-22T20:06:14.088Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06373354"
    },
    {
      "nct_id": "NCT04083742",
      "title": "The Heidelberg Engineering ANTERION Anterior Segment Metrics Precision and Agreement Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Narrow Angle",
        "Open Angle"
      ],
      "interventions": [
        {
          "name": "ANTERION",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heidelberg Engineering GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2019-08-22",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-21",
      "last_synced_at": "2026-07-22T20:06:14.088Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04083742"
    }
  ]
}