{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Adenotonsillectomy+%28AT%29+-+removal+of+adenoids+and+tonsils",
    "query": {
      "intervention": "Adenotonsillectomy (AT) - removal of adenoids and tonsils"
    },
    "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": "2026-10-08T14:08:35.207Z",
  "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": "NCT05508971",
      "title": "Treatment of Obstructive Sleep Apnea With Personalized Surgery in Children With Down Syndrome (TOPS-DS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "DISE-Directed Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Adenotonsillectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 304,
      "start_date": "2023-08-02",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Ann Arbor, Michigan • Cincinnati, Ohio + 4 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05508971"
    },
    {
      "nct_id": "NCT05368077",
      "title": "Brain Changes in Pediatric OSA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Adenotonsillectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "7 Years to 12 Years"
      },
      "enrollment_count": 56,
      "start_date": "2022-05-14",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05368077"
    },
    {
      "nct_id": "NCT05154214",
      "title": "Surgical Treatment of Children With OSA and Small Tonsils or Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea of Child"
      ],
      "interventions": [
        {
          "name": "Adenotonsillectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Drug-induced sleep endoscopy directed surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-11-09",
      "completion_date": "2024-10-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05154214"
    },
    {
      "nct_id": "NCT01539278",
      "title": "Effect of Adenotonsillectomy on Quality of Life in Children With Mild Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Apnea, Obstructive"
      ],
      "interventions": [
        {
          "name": "Adenotonsillectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Observation alone / no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "3 Years to 16 Years"
      },
      "enrollment_count": 113,
      "start_date": "2011-02",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2015-08-05",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01539278"
    },
    {
      "nct_id": "NCT00560859",
      "title": "Childhood Adenotonsillectomy Study for Children With OSAS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Snoring"
      ],
      "interventions": [
        {
          "name": "Adenotonsillectomy (AT) - removal of adenoids and tonsils",
          "type": "PROCEDURE"
        },
        {
          "name": "Watchful Waiting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "5 Years to 9 Years"
      },
      "enrollment_count": 453,
      "start_date": "2007-10",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2015-12-15",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri • New York, New York + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00560859"
    },
    {
      "nct_id": "NCT06258837",
      "title": "Treatment of Obstructive Sleep Apnea With Personalized Surgery in Children With Small Tonsils",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Otolaryngological Disease",
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "DISE-Directed Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Adenotonsillectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 175,
      "start_date": "2024-10-04",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-08T14:08:35.207Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Portland, Oregon",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06258837"
    }
  ]
}