{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Esotropia",
    "query": {
      "condition": "Esotropia"
    },
    "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": "2026-06-10T03:50:29.977Z",
  "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": "NCT01616108",
      "title": "Bupivacaine Injection of Eye Muscles to Treat Strabismus",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Strabismus",
        "Esotropia",
        "Exotropia",
        "Graves Disease",
        "Ptosis, Eyelid"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Smith-Kettlewell Eye Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "8 Years to 95 Years"
      },
      "enrollment_count": 120,
      "start_date": "2012-04",
      "completion_date": "2020-09",
      "has_results": false,
      "last_update_posted_date": "2019-09-23",
      "last_synced_at": "2026-06-10T03:50:29.977Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01616108"
    },
    {
      "nct_id": "NCT04770519",
      "title": "Genetic Studies of Strabismus, Nystagmus, and Associated Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Strabismus",
        "Nystagmus, Congenital"
      ],
      "interventions": [
        {
          "name": "whole genome sequencing or whole exome sequencing",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2021-09-03",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-06-10T03:50:29.977Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770519"
    },
    {
      "nct_id": "NCT01791946",
      "title": "Binocular Treatment of Amblyopia Before and After Strabismus Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia",
        "Strabismus"
      ],
      "interventions": [
        {
          "name": "Binocular Treatment",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Binocular Treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 22,
      "start_date": "2013-01",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-06-10T03:50:29.977Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01791946"
    },
    {
      "nct_id": "NCT00001143",
      "title": "Development of the Eye Motor System During the First 7 Months of Life in Infants With and Without a Family History of Cross-Eye",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Strabismus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "1999-10",
      "completion_date": "2002-10",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T03:50:29.977Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001143"
    },
    {
      "nct_id": "NCT00310960",
      "title": "An Observational Study of Infantile, Acquired Non-accommodative, and Acquired Partially-accommodative Esotropia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infantile Esotropia",
        "Acquired Non-accommodative Esotropia",
        "Acquired Partially Accommodative Esotropia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "Up to 4 Years"
      },
      "enrollment_count": 293,
      "start_date": "2004-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2011-09-02",
      "last_synced_at": "2026-06-10T03:50:29.977Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00310960"
    }
  ]
}