{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Goldmann+applanation",
    "query": {
      "intervention": "Goldmann applanation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T23:59:30.109Z",
  "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": "NCT01786954",
      "title": "iCare vs Tonopen vs Goldmann Applanation Post-vitrectomy Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intraocular Pressure"
      ],
      "interventions": [
        {
          "name": "Icare rebound tonometry",
          "type": "DEVICE"
        },
        {
          "name": "Tonopen applanation",
          "type": "DEVICE"
        },
        {
          "name": "Goldmann applanation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2012-10",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2016-05-23",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01786954"
    },
    {
      "nct_id": "NCT04360369",
      "title": "Comparison of Intraocular Pressure Measurements Between Reichert Tono-Vera Tonometer and Goldmann Tonometry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intraocular Pressure",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "IOP with Goldmann Applanation Tonometer",
          "type": "DEVICE"
        },
        {
          "name": "IOP with comparator ORA G3 and ic100 tonometers",
          "type": "DEVICE"
        },
        {
          "name": "IOP with Tono-Vera Tonometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Reichert, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 61,
      "start_date": "2020-10-19",
      "completion_date": "2021-04-28",
      "has_results": false,
      "last_update_posted_date": "2022-01-03",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04360369"
    },
    {
      "nct_id": "NCT07298356",
      "title": "Automated Applanation Tonometry - Updated",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Glaucoma, Suspect"
      ],
      "interventions": [
        {
          "name": "Standard GAT",
          "type": "DEVICE"
        },
        {
          "name": "Fixed force GAT",
          "type": "DEVICE"
        },
        {
          "name": "Upright applanating prototype",
          "type": "DEVICE"
        },
        {
          "name": "Pneumotonometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-03-02",
      "completion_date": "2026-12-29",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298356"
    },
    {
      "nct_id": "NCT05235321",
      "title": "Automated Applanation Tonometry",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Glaucoma, Suspect"
      ],
      "interventions": [
        {
          "name": "Standard GAT",
          "type": "DEVICE"
        },
        {
          "name": "Fixed force GAT",
          "type": "DEVICE"
        },
        {
          "name": "Upright applanating prototype",
          "type": "DEVICE"
        },
        {
          "name": "Supine Applanating Prototype",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2022-11-21",
      "completion_date": "2024-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05235321"
    },
    {
      "nct_id": "NCT03560609",
      "title": "Optic Nerve Head Structural Response to IOP Elevation in Patients With Keratoconus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Keratoconus",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Ophthalmodynamometer",
          "type": "DEVICE"
        },
        {
          "name": "Goldmann applanation tonometer",
          "type": "DEVICE"
        },
        {
          "name": "Pentacam",
          "type": "DEVICE"
        },
        {
          "name": "ORA",
          "type": "DEVICE"
        },
        {
          "name": "Optical Coherence Tomography (OCT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "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": 3,
      "start_date": "2018-11-15",
      "completion_date": "2024-01-19",
      "has_results": true,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560609"
    },
    {
      "nct_id": "NCT00570791",
      "title": "Effect of Central Corneal Thickness On IOP Using Various Tonometers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Intraocular Pressure"
      ],
      "interventions": [
        {
          "name": "Tonometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 166,
      "start_date": "2005-06-29",
      "completion_date": "2011-11-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-23",
      "last_synced_at": "2026-09-06T23:59:30.109Z",
      "location_count": 2,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00570791"
    }
  ]
}