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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:45 PM EDT

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Showing 1–24 of 114 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: tonsillectomy Clear all
Withdrawn No phase listed Observational

Outcomes of Partial Versus Complete Tonsillectomy for Obstructive Sleep Disordered Breathing

NCT00519402
View directory record Official record
Conditions
Obstructive Sleep Disordered Breathing
Interventions
tonsillar examination and questionnaire completion
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
5 Years to 28 Years
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 22, 2026, 5:45 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

MicroRNA Markers in Head and Neck Cancers

NCT04305366
View directory record Official record
Conditions
Squamous Cell Carcinoma of Head and Neck
Interventions
Tissue collection
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional Results available

A Study of BiZact™ on Children and Adolescents Undergoing Tonsillectomy

NCT03266094
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 21, 2020 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional

Measuring Effectiveness in Sleep Apnea Surgery

NCT00518128
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Surgical OSA treatment, Positive Airway Pressure Therapy
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 22, 2012 · Synced Oct 22, 2026, 5:45 PM EDT
Recruiting Not applicable Interventional

Decreasing Emergence Agitation With Personalized Music

NCT05044832
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 22, 2024 · Synced Oct 22, 2026, 5:45 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Bupivacaine-infused Fibrin Sealant Application on Post-tonsillectomy Pain & Hemorrhage

NCT02343263
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 10, 2018 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional

Low Dose Ketamine as an Adjunct to Fentanyl in Outpatient Tonsillectomy

NCT00587665
View directory record Official record
Conditions
Pain
Interventions
ketamine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 12 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional Results available

Childhood Adenotonsillectomy Study for Children With OSAS

NCT00560859
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 15, 2015 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Adenotonsillectomy on Quality of Life in Children With Mild Obstructive Sleep Apnea

NCT01539278
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Adenotonsillectomy, Observation alone / no intervention
Procedure · Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
3 Years to 16 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Oct 22, 2026, 5:45 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Post-tonsillectomy Pain Control in Adults

NCT02358850
View directory record Official record
Conditions
Pain, Postoperative, Postoperative Nausea and Vomiting, Postoperative Hemorrhage, Body Weight Changes
Interventions
Norco (Hydrocodone and Acetaminophen), Percocet (Oxycodone and Acetaminophen), Dilaudid (hydromorphone), Tylenol (Acetaminophen)
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 22, 2026, 5:45 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Virtual Reality to Reduce Pre-Operative Anxiety

NCT04268914
View directory record Official record
Conditions
Virtual Reality, Augmented Reality, IV Stick, Mask Induction, Ambulatory Surgery, Pain, Anxiety
Interventions
Oculus Go VR, Mira Prism VR
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 22, 2026, 5:45 PM EDT
Recruiting No phase listed Observational

Modeling Host-Pathogen Interaction Using Lymphoid Organoids

NCT06479837
View directory record Official record
Conditions
Staphylococcal Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 120 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2044
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 5:45 PM EDT
Active, not recruiting No phase listed Observational

Metabolomic Profiling of Racial Disparity

NCT06266429
View directory record Official record
Conditions
Adenoid Hypertrophy, Tonsillar Hypertrophy, Surgery
Interventions
Blood collection
Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
4 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional

BiZact Tonsillectomy in the Pediatric Population

NCT04725305
View directory record Official record
Conditions
Tonsillectomy, Tonsillitis Chronic, Hemorrhage, Postoperative Pain, Postoperative Hemorrhage, Surgery--Complications, Otorhinolaryngologic Diseases
Interventions
BiZact, Standard of care
Device · Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 18 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 22, 2026, 5:45 PM EDT
Withdrawn Not applicable Interventional

Here's the Buzz: Evaluating Pediatric Post Op Pain and Nausea Following Tonsillectomy Surgery

NCT04910919
View directory record Official record
Conditions
Tonsillectomy
Interventions
Honey, Standard of Care
Dietary Supplement · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 7, 2022 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Auricular Acupuncture for The Treatment of Post-Tonsillectomy Pain

NCT01790477
View directory record Official record
Conditions
Recurrent Tonsillitis, Peritonsillar Abscess, Obstructive Sleep Apnea
Interventions
Auricular Acupuncture
Procedure
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Oct 22, 2026, 5:45 PM EDT
Withdrawn No phase listed Observational

Tonsillectomy in Adults With Tonsillar Hypertrophy and Obstructive Sleep Apnea

NCT02204696
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Tonsillectomy
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Phase 3 Interventional Results available

Pediatric Tonsillectomy Pain Reduction Study

NCT00678379
View directory record Official record
Conditions
Postoperative Pain
Interventions
lidocaine (1%) + bupivacaine (0.5%), Normal saline, Lidocaine (1%) + Bupivacaine (0.5%) + Clonidine (25mcg)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
3 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 5:45 PM EDT
Completed No phase listed Observational

The Effect of Dexamethasone Dosing on Post-tonsillectomy Hemorrhage

NCT02228135
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 26, 2017 · Synced Oct 22, 2026, 5:45 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimization of Pediatric Tonsillectomy to IMprove AnaLgesia

NCT06576830
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 5, 2025 · Synced Oct 22, 2026, 5:45 PM EDT
Recruiting Phase 3 Interventional

RADA16 for Adult Tonsillectomy

NCT07060495
View directory record Official record
Conditions
Postoperative Pain
Interventions
RADA16 hydrogel
Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Livingston, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 22, 2026, 5:45 PM EDT
Not listed No phase listed Observational

Use of Analgesics and Pain Scores After Pediatric Adenotonsillectomy

NCT04349397
View directory record Official record
Conditions
Pain, Postoperative, Obstructive Sleep Apnea of Child
Interventions
Medication Tracking Form
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Not applicable Interventional Results available

Evaluating Perioperative Dexamethasone and the Risk of Bleeding in Tonsillectomy

NCT01415583
View directory record Official record
Conditions
Post-operative Hemorrhage
Interventions
Dexamethasone
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
3 Years to 18 Years
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Oct 22, 2026, 5:45 PM EDT
Completed Phase 3 Interventional Results available

Management of Post-Tonsillectomy Pain in Pediatric Patients

NCT04551196
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 11, 2024 · Synced Oct 22, 2026, 5:45 PM EDT