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ClinicalTrials.gov public records Last synced Oct 18, 2026, 8:03 PM EDT

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Showing 73–96 of 114 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tonsillectomy Clear all
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Effects of Reducing Stomach Acid on Post-tonsillectomy Pain

NCT00472186
View directory record Official record
Conditions
Post-tonsillectomy Pain, Post-tonsillectomy Activity, Post-tonsillectomy Hydration
Interventions
Lansoprazole, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Oct 18, 2026, 8:03 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 16, 2026 · Synced Oct 18, 2026, 8:03 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Withdrawn No phase listed Observational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 18, 2026, 8:03 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Hydromorphone vs Fentanyl in Children Undergoing Tonsillectomy Surgery

NCT04230681
View directory record Official record
Conditions
Obstructive Sleep Apnea, Tonsillitis
Interventions
Hydromorphone, Fentanyl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 15 Years
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 18, 2026, 8:03 PM EDT
Not yet recruiting Phase 4 Interventional

Suzetrigine in Tonsillectomy for Opioid-sparing Pain Management

NCT07821931
View directory record Official record
Conditions
Tonsillectomy, Pharyngoplasty, Suzetrigine, Opioid, Postoperative Pain, Acute Pain
Interventions
Suzetrigine, Acetaminophen, oxycodone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 18, 2026, 8:03 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 18, 2026, 8:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SZMN Blocks for Pain Control in Pediatric Patients Undergoing T&A

NCT04797559
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 14, 2023 · Synced Oct 18, 2026, 8:03 PM EDT
Completed Phase 4 Interventional

Dexamethasone and Post-tonsillectomy Pain in Children

NCT02793011
View directory record Official record
Conditions
Pediatric Post-tonsillectomy Pain
Interventions
Dexamethasone, Placebo
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
4 Years to 17 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Oct 18, 2026, 8:03 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 18, 2026, 8:03 PM EDT
Completed Not applicable Interventional Results available

Preoperative Gabapentin for Post-tonsillectomy Pain in Children

NCT01707420
View directory record Official record
Conditions
Post Operative Pain Management in Children With Tonsillectomy/Adenoidectomy
Interventions
Gabapentin, liquid placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 16 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 18, 2026, 8:03 PM EDT
Completed Phase 3 Interventional Results available

Decrease Emergence Agitation and Provide Pain Relief for Children Undergoing Tonsillectomy & Adenoidectomy

NCT00468052
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
dexmedetomidine, fentanyl
Drug
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
2 Years to 10 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 18, 2026, 8:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Measuring Pain and Hydration After Tonsillectomy

NCT02011230
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 22, 2018 · Synced Oct 18, 2026, 8:03 PM EDT
Not listed Not applicable Interventional

Outcomes of Post-operative Diet in Children Following Tonsillectomy and Adenoidectomy

NCT03437954
View directory record Official record
Conditions
Chronic Tonsillitis, Sleep Disordered Breathing
Interventions
Diet modification
Other
Lead sponsor
Georgetown University
Other
Eligibility
3 Years to 12 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Oct 18, 2026, 8:03 PM EDT
Terminated No phase listed Observational

Mucopolysaccharidosis (MPS) I, II, and VI Screening in a High-Risk Population With Previous Surgical Repair or Presence of Inguinal and/or Umbilical Hernia in Combination With Pediatric ENT Surgery (The HATT Project)

NCT02095015
View directory record Official record
Conditions
Mucopolysaccharidosis (MPS)
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
Up to 7 Years · Male only
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Los Angeles, California • Jacksonville, Florida • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 18, 2026, 8:03 PM EDT
Recruiting Phase 4 Interventional

EXPAREL Post-tonsillectomy Clinical Trial

NCT03420638
View directory record Official record
Conditions
Tonsillectomy
Interventions
Adjunct Exparel (bupivacaine liposome suspension 1.3%), Standard Care
Drug · Other
Lead sponsor
Paul Hoff
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 18, 2026, 8:03 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 18, 2026, 8:03 PM EDT
Completed Phase 2 Interventional Results available

Postoperative Ibuprofen and the Risk of Bleeding After Tonsillectomy With or Without Adenoidectomy

NCT01605903
View directory record Official record
Conditions
Tonsillectomy, Adenoidectomy
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
2 Years to 18 Years
Enrollment
741 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
5
States / cities
San Diego, California • Boston, Massachusetts • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 18, 2026, 8:03 PM EDT
Completed Phase 4 Interventional

Lidocaine Infusion for Pain Relief in Children Scheduled for Tonsillectomy and Adenoidectomy

NCT03902314
View directory record Official record
Conditions
Children, Only, Tonsillar Hypertrophy, Adenoid Hypertrophy
Interventions
Lidocaine Iv, Saline Solution
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
4 Years to 10 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 18, 2026, 8:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

EXPAREL® for Pain After Tonsillectomy

NCT02444533
View directory record Official record
Conditions
Tonsillectomy, Tonsillitis, Post-operative Pain
Interventions
Liposomal Bupivacaine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 14, 2017 · Synced Oct 18, 2026, 8:03 PM EDT
Recruiting Not applicable Interventional

Combination Tonsillectomy and Hypoglossal Nerve Stimulation for OSA Patients With Lateral Pharyngeal Collapse

NCT07724938
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep Disordered Breathing
Interventions
Tonsillectomy, HGNS
Procedure · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 18, 2026, 8:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Caffeine in Children With Obstructive Sleep Apnea, Dose Response Study

NCT01349205
View directory record Official record
Conditions
Obstructive Sleep Apnea, Enlargement of Tonsil or Adenoid
Interventions
Caffeine and sodium Benzoate 10 mg/kg IV, Caffeine and Sodium Benzoate 20 mg/kg IV, 0.9 NS Saline
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
2 Years to 12 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 18, 2026, 8:03 PM EDT
Completed Phase 2 Interventional Results available

Analgesic Effect of IV Acetaminophen in Tonsillectomies

NCT01691690
View directory record Official record
Conditions
Adenotonsillitis, Tonsillitis
Interventions
Acetaminophen (paracetamol), Normal Saline Flush, Midazolam, Sevoflurane, Nitrous Oxide/Oxygen, Propofol, Morphine, Ondansetron, Dexamethasone
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
2 Years to 9 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Oct 18, 2026, 8:03 PM EDT
Recruiting Not applicable Interventional

Coblator Wand Comparative Analysis

NCT07635719
View directory record Official record
Conditions
Tonsillectomy, Adenoidectomy
Interventions
New Coblator Ablation Wands, Reprocessed Medline Coblator Ablation Wands
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
1 Year to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 18, 2026, 8:03 PM EDT
Completed No phase listed Observational Results available

Comparison of Sleep Study Results After Partial Intracapsular Tonsillectomy Versus Total Tonsillectomy

NCT00887471
View directory record Official record
Conditions
Sleep-disordered Breathing, Obstructive Sleep Apnea
Interventions
PITA or T&A
Procedure
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
6 Months to 14 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Oct 18, 2026, 8:03 PM EDT