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ClinicalTrials.gov public records Last synced May 22, 2026, 3:02 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Tonsillectomy Clear all
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Care, Postoperative, Pain, Postoperative, Surgical Procedures, Operative, Otorhinolaryngologic Surgical Procedures, Tonsillectomy, Adenoidectomy
Interventions
Preoperative Preparation Program (Child Life Specialist), Midazolam, Parental Presence during Induction of Anesthesia, PPIA preparation program PLUS Midazolam premedication
Behavioral · Drug · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
3 Years to 12 Years
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tonsillitis
Interventions
Auricular acupuncture
Other
Lead sponsor
Defense and Veterans Center for Integrative Pain Management
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2020 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Pain
Interventions
EXPAREL
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Surgical Procedure, Unspecified
Interventions
Personalized Music
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 9 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Stanford, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced May 22, 2026, 3:02 AM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Otolaryngological Surgery
Interventions
Cuffed ETT
Device
Lead sponsor
Kris Jatana
Other
Eligibility
Up to 18 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis
Interventions
Alternating Acetaminophen and Ibuprofen, Combined Acetaminophen and Ibuprofen
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
4 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced May 22, 2026, 3:02 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Preoperative Anxiety
Interventions
"Ready for Tonsillectomy" educational mobile application
Behavioral
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
5 Years to 13 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Sleep-Disordered Breathing, Sleep Apnea Syndromes in Children, Sleep Apnea, Obstructive, Tonsillitis, Tonsillar Hypertrophy, Tonsil Stone, Tonsil Disease
Interventions
Lateral pharyngoplasty, Tonsillectomy
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
3 Years to 17 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
4
States / cities
Murrieta, California • Riverside, California • San Bernardino, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postoperative Pain, Opioid Use
Interventions
SZMN Block
Procedure
Lead sponsor
Stanford University
Other
Eligibility
6 Months to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Obstructive Sleep Apnea, Snoring
Interventions
Adenotonsillectomy (AT) - removal of adenoids and tonsils, Watchful Waiting
Procedure · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
5 Years to 9 Years
Enrollment
453 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
6
States / cities
Boston, Massachusetts • St Louis, Missouri • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis, Pediatric Sleep Apnea, Sleep-Disordered Breathing
Interventions
Methadone, Fentanyl/Hydromorphone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Postoperative Vomiting and Nausea
Interventions
Acupuncture Needle
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 9 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced May 22, 2026, 3:02 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pain, Postoperative, Postoperative Hemorrhage
Interventions
Bupivacaine, Fibrin Sealant
Drug · Biological
Lead sponsor
Indiana University
Other
Eligibility
1 Year to 12 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced May 22, 2026, 3:02 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Tonsillectomy, Children
Interventions
Closure of the Tonsillar Fossa, Tonsillectomy with open fossa
Procedure
Lead sponsor
University of Oklahoma
Other
Eligibility
5 Years to 10 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 14, 2010 · Synced May 22, 2026, 3:02 AM EDT
Withdrawn Phase 4 Interventional
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Coblation (radiofrequency-based device)
Device
Lead sponsor
ArthroCare Corporation
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tonsillectomy
Interventions
BiZact™: A bipolar instrument for tonsillectomies
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
2 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Charlotte, North Carolina • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Adenoidectomy, Tonsillectomy, Adenotonsillectomy
Interventions
Cuffed ETT, Uncuffed ETT
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 30, 2012 · Synced May 22, 2026, 3:02 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dehydration
Interventions
Hoist Group
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
4 Years to 98 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tonsillitis, Tonsillectomy
Interventions
Gabapentin
Drug
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
3 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Early Phase 1 Interventional
View directory record Official record
Conditions
Hemorrhage, Surgical, Tonsillar Bleeding
Interventions
Tranexamic Acid Injectable Product, Normal Saline
Drug · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
2 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 3:02 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tonsillectomy
Interventions
Virtual Reality, Midazolam
Device · Drug
Lead sponsor
Valley Anesthesiology Consultants
Other
Eligibility
5 Years to 11 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
QuickClot
Device
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
2 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Tonsillectomy, Adenoidectomy
Interventions
Acetaminophen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
3 Years to 17 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced May 22, 2026, 3:02 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Tonsillectomy, Adenotonsillectomy
Interventions
Dexamethasone
Drug
Lead sponsor
Nicole Elsey
Other
Eligibility
Not listed
Enrollment
9,843 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced May 22, 2026, 3:02 AM EDT