{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=tonsillectomy&page=5",
    "query": {
      "intervention": "tonsillectomy",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 114,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=tonsillectomy&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=tonsillectomy&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T12:09:55.901Z",
  "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": "NCT04230681",
      "title": "Hydromorphone vs Fentanyl in Children Undergoing Tonsillectomy Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Tonsillitis"
      ],
      "interventions": [
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "2 Years to 15 Years"
      },
      "enrollment_count": 189,
      "start_date": "2020-02-26",
      "completion_date": "2022-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04230681"
    },
    {
      "nct_id": "NCT01140724",
      "title": "Personalizing Perioperative Analgesia in Children",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Senthil Sadhasivam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "3 Years to 15 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2022-02-07",
      "completion_date": "2027-12-25",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01140724"
    },
    {
      "nct_id": "NCT01777854",
      "title": "Anti-reflux Control to Decrease Post Tonsillectomy Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux",
        "Throat Pain"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ascension Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 6,
      "start_date": "2013-01",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Grand Blanc, Michigan",
      "locations": [
        {
          "city": "Grand Blanc",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777854"
    },
    {
      "nct_id": "NCT01417741",
      "title": "Acupuncture and Nausea/Vomiting in Pediatric Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Vomiting and Nausea"
      ],
      "interventions": [
        {
          "name": "Acupuncture Needle",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "3 Years to 9 Years"
      },
      "enrollment_count": 164,
      "start_date": "2011-08",
      "completion_date": "2018-12-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01417741"
    },
    {
      "nct_id": "NCT01738308",
      "title": "The Effects of Healing Touch on Post Operative Pediatric Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery",
        "Stress",
        "Pain",
        "Children",
        "Post-Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Healing Touch",
          "type": "PROCEDURE"
        },
        {
          "name": "Healing Touch Sham Treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "3 Years to 4 Years"
      },
      "enrollment_count": 240,
      "start_date": "2013-09",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2021-06-24",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01738308"
    },
    {
      "nct_id": "NCT01389349",
      "title": "Acupuncture for Tonsillectomy Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Children",
        "Postoperative Pain",
        "Tonsillar Hypertrophy",
        "Obstructive Sleep Apnea",
        "Chronic Tonsillitis"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "OTHER"
        },
        {
          "name": "Sham Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's ENT of San Diego, Inc.",
      "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": 130,
      "start_date": "2011-07",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2012-05-18",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 2,
      "location_summary": "El Centro, California • San Diego, California",
      "locations": [
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01389349"
    },
    {
      "nct_id": "NCT01669993",
      "title": "Factors Predictive of Adverse Postoperative Outcomes in Children Undergoing Tonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tonsillectomy Postoperative Adverse Events"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 2400,
      "start_date": "2012-05",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-01-29",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01669993"
    },
    {
      "nct_id": "NCT02199574",
      "title": "Pharmacokinetic Evaluation of EXPAREL in Adults Undergoing Tonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "EXPAREL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2014-08",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02199574"
    },
    {
      "nct_id": "NCT02444533",
      "title": "EXPAREL® for Pain After Tonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tonsillectomy",
        "Tonsillitis",
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "Liposomal Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2015-05",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444533"
    },
    {
      "nct_id": "NCT04797559",
      "title": "SZMN Blocks for Pain Control in Pediatric Patients Undergoing T&A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "SZMN Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Months to 18 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-11-29",
      "completion_date": "2023-04-19",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-23T12:09:55.901Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04797559"
    }
  ]
}