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ClinicalTrials.gov public records Last synced May 21, 2026, 10:52 PM EDT

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

Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tonsillitis Clear all
Completed Phase 3 Interventional
View directory record Official record
Conditions
Sore Throat, Pharyngitis, Tonsillitis
Interventions
APC-111 MP Tablet, 775 mg
Drug
Lead sponsor
Advancis Pharmaceutical Corporation
Industry
Eligibility
12 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
35
States / cities
Birmingham, Alabama • Tallassee, Alabama • Phoenix, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2006 · Synced May 21, 2026, 10:52 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Pharyngitis, Tonsillitis
Interventions
azithromycin (Zithromax), placebo, azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
13 Years and older
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
16
States / cities
Clearwater, Florida • Boise, Idaho • Meridian, Idaho + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced May 21, 2026, 10:52 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
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 17, 2024 · Synced May 21, 2026, 10:52 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Anesthesia, Opioid Use, Tonsillitis, Sleep Disorder, Surgery
Interventions
Ketorolac, Dexmedetomidine, Morphine, Fentanyl
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced May 21, 2026, 10:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tonsillitis
Interventions
Fentanyl, Dexmedetomidine
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 12 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced May 21, 2026, 10:52 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Tonsillitis
Interventions
PEAK PlasmaBlade TnA, Traditional Electrosurgery with scalpel
Device
Lead sponsor
Medtronic Surgical Technologies
Industry
Eligibility
3 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Merced, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 2, 2013 · Synced May 21, 2026, 10:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
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 13, 2017 · Synced May 21, 2026, 10:52 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Tonsillitis, Sleep Disordered Breathing, Hernia, Hydrocele, Hypospadias, Undescended Testicle, Circumcision
Interventions
Disposal Aid
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Year to 17 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced May 21, 2026, 10:52 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Tonsillitis, Airway Obstruction, Difficulty Swallowing
Interventions
IV acetaminophen, PO acetaminophen
Drug
Lead sponsor
Kaveh Aslani, MD
Other
Eligibility
5 Years to 13 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced May 21, 2026, 10:52 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Children, Postoperative Pain, Tonsillar Hypertrophy, Obstructive Sleep Apnea, Chronic Tonsillitis
Interventions
Acupuncture, Sham Control
Other
Lead sponsor
Children's ENT of San Diego, Inc.
Other
Eligibility
2 Years to 17 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
El Centro, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced May 21, 2026, 10:52 PM 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 21, 2026, 10:52 PM 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 21, 2026, 10:52 PM 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 21, 2026, 10:52 PM 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 21, 2026, 10:52 PM 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 21, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Obstructive Sleep Apnea, Tonsillitis, Pain, Procedural
Interventions
Fentanyl/Hydromorphone, Methadone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced May 21, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 5, 2016 · Synced May 21, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Results available
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 5, 2017 · Synced May 21, 2026, 10:52 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Adenotonsillar Hypertrophy, Obstructive Sleep Apnea, Tonsillitis, Adenoiditis
Interventions
Normal Saline, Dexmedetomidine
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
3 Years to 16 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced May 21, 2026, 10:52 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Tonsillitis, Post-operative Nausea and Vomiting (PONV), Emergence Delirium, Opioid Analgesic Adverse Reaction, Anesthesia, Pain
Interventions
Dexmedetomidine, Acetaminophen, Ketorolac, Morphine
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
3 Years to 17 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Periodic Fever, Aphthous Stomatitis, Pharyngitis, And Cervical Adenitis (Pfapa), Obstructive Sleep Apnea, Tonsillitis, Tonsil Disorder, Sleep Disordered Breathing
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 99 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2038
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Indianapolis, Indiana • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced May 21, 2026, 10:52 PM EDT
Not listed Phase 4 Interventional
View directory record Official record
Conditions
Obstructive Tonsillar Hypertrophy, Tonsillitis
Interventions
Plasmaknife, Monopolar
Device
Lead sponsor
Children's Hospital of Michigan
Other
Eligibility
4 Years to 16 Years
Enrollment
100 participants
Timeline
Started 2007
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 26, 2007 · Synced May 21, 2026, 10:52 PM EDT
Terminated Phase 3 Interventional
View directory record Official record
Conditions
Tonsillitis, Pharyngitis
Interventions
Telithromycin, Penicillin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
13 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 2, 2009 · Synced May 21, 2026, 10:52 PM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Methicillin Resistant Staphylococcus Aureus, Osteomyelitis Acute, Septic Arthritis, Orbital Cellulitis, Facial Cellulitis, Mastoiditis, Cervical Adenitis, Retropharyngeal Abscess, Peritonsillar Abscess
Interventions
Trimethoprim Sulfamethoxazole
Drug
Lead sponsor
Indiana University
Other
Eligibility
2 Months to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced May 21, 2026, 10:52 PM EDT