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Showing 1–24 of 78 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Acute Appendicitis Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Medical and Surgical Treatment of Uncomplicated Acute Appendicitis in Children

NCT02991937
View directory record Official record
Conditions
Appendicitis
Interventions
Piperacillin/Tazobactam, Surgical Treatment
Drug · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
6 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Sep 5, 2026, 4:03 PM EDT
Recruiting Phase 4 Interventional

APPI-Cost Trial for Perforated Appendicitis

NCT06705842
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
PVI, Usual Care
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 5, 2026, 4:03 PM EDT
Recruiting Not applicable Interventional

Enhanced Recovery After Surgery (ERAS) for Complicated Appendicitis

NCT06948071
View directory record Official record
Conditions
Appendicitis Acute, Appendicitis Perforated, Appendicitis With Perforation, Appendicitis Suppurative, Appendicitis Gangrenous
Interventions
Discharge on oral antibiotics
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 5, 2026, 4:03 PM EDT
Completed No phase listed Observational

Prospective Randomized Evaluation of Antibiotic Regimen Following Appendectomy for Perforated Appendicitis

NCT00195923
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Ampicillin, gentamicin, clindamycin, flagyl, ceftazidime
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Month to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2007 · Synced Sep 5, 2026, 4:03 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Local Anesthetic at Incision Site

NCT02483689
View directory record Official record
Conditions
Post Operative Pain, Appendicitis
Interventions
Pre Incisional Local Anesthetic, Pre-Incisional Saline, Post-Closure Local Anesthetic, Post-Closure Saline
Drug · Other
Lead sponsor
Valley Anesthesiology Consultants
Other
Eligibility
9 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Sep 5, 2026, 4:03 PM EDT
Terminated Phase 4 Interventional Results available

Sugammadex vs Neostigmine Reversal in Pediatric Appendectomy

NCT05256901
View directory record Official record
Conditions
Appendicitis, Surgery
Interventions
Sugammadex, Neostigmine/Glycopyrrolate
Drug
Lead sponsor
Emory University
Other
Eligibility
2 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 5, 2026, 4:03 PM EDT
Withdrawn No phase listed Observational

Identifiable Factors That May Lead to Postoperative Nausea and Vomiting After Simple Laparoscopic Appendectomy

NCT02044640
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Appendectomy
Procedure
Lead sponsor
Brian Kenney
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Sep 5, 2026, 4:03 PM EDT
Not listed Not applicable Interventional

The Management of Perforated Acute Appendicitis in Adult and Pediatric Populations

NCT04253899
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Appendectomy, Observation
Procedure · Other
Lead sponsor
Marshall University
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Two Different Antibiotics Versus One Antibiotic for Pediatric Perforated Appendicitis

NCT03289351
View directory record Official record
Conditions
Perforated Appendicitis, Postoperative Infection
Interventions
Piperacillin, Tazobactam Drug Combination
Drug
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
Up to 18 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
2
States / cities
Phoenix, Arizona • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Single Incision Laparoscopy

NCT00616616
View directory record Official record
Conditions
Appendicitis, Cholelithiasis, Malignant Hypertension
Interventions
single incision laparoscopic surgery
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Sep 5, 2026, 4:03 PM EDT
Recruiting Not applicable Interventional

Operative Versus Non-Operative Management for Appendicitis With Abscess or Phlegmon

NCT04168866
View directory record Official record
Conditions
Appendicitis
Interventions
Operative management, Drainage or antibiotics
Procedure · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Irrigation Versus No Irrigation for Perforated Appendicitis

NCT00854815
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Irrigation, No Irrigation
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Month to 17 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Phase 4 Interventional Results available

Study Comparing Tigecycline Versus Ceftriaxone Sodium Plus Metronidazole in Complicated Intra-abdominal Infection

NCT00195351
View directory record Official record
Conditions
Appendicitis, Cholecystitis, Cross Infection, Diverticulitis, Peritonitis
Interventions
tigecycline, ceftriaxone sodium + metronidazole
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
46
States / cities
Mobile, Alabama • Laguna Hills, California • Los Angeles, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Early Phase 1 Interventional

Pilot Trial of Antibiotics Versus Surgery for Treating Acute Appendicitis

NCT02447224
View directory record Official record
Conditions
Acute Uncomplicated Appendicitis
Interventions
1 gm IV ertapenem at enrollment, 1 gm IV ertapenem at Day 2 and oral metronidazole and cefdinir to complete 10 days, Appendectomy
Drug · Procedure
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
5 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Sep 5, 2026, 4:03 PM EDT
Terminated Not applicable Interventional Results available

Single-incision Laparoscopic (SILS) Versus Conventional Laparoscopic Appendectomy for the Treatment of Acute Appendicitis

NCT00997516
View directory record Official record
Conditions
Appendicitis
Interventions
SILS appendectomy, conventional laparoscopic appendectomy
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Phase 2 Interventional Results available

Dilute Povidone-iodine Irrigation vs No Irrigation for Children With Acute, Perforated Appendicitis

NCT02664220
View directory record Official record
Conditions
Acute, Perforated Appendicitis
Interventions
Povidone-iodine irrigation, No irrigation
Drug · Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
2 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 5, 2026, 4:03 PM EDT
Terminated Phase 4 Interventional Results available

Antibiotic Duration in Post-appendectomy Abscess

NCT03795194
View directory record Official record
Conditions
Complicated Appendicitis, Perforated Appendicitis
Interventions
ampicillin/clavulanate
Drug
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
2 Years to 17 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Phase 2 Interventional Results available

Antibiotic Instillation in Appendicitis

NCT05470517
View directory record Official record
Conditions
Complicated Appendicitis, Acute Appendicitis
Interventions
Ceftriaxone, Intra-peritoneal Fluid Aspiration
Drug · Procedure
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
3 Years to 18 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 5, 2026, 4:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Point of Care 3D Ultrasound for Various Applications: A Pilot Study

NCT02831556
View directory record Official record
Conditions
Appendicitis, Evidence of Cholecystectomy, Gallstones, Pregnancy, Ectopic, Aortic Aneurysm, Kidney Stones, Intrauterine Pregnancy, Diverticulitis, Abdominal Injuries, Tumors, Pancreatitis, Digestive System Diseases, Gastrointestinal Diseases, Intraabdominal Infections, Intestinal Diseases, Pregnancy, Vascular Disease, Uterine Fibroids, Ovarian Cysts, Uterine Abnominalies, Bladder Abnominalies, Testicular Abnominalies, Polyps
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 5, 2026, 4:03 PM EDT
Withdrawn Phase 1 Interventional

Contrast-Enhanced Ultrasound Diagnosis of Acute Appendicitis

NCT03295656
View directory record Official record
Conditions
Appendicitis Acute
Interventions
Sulfur hexafluoride lipid-type A microspheres
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
8 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Sep 5, 2026, 4:03 PM EDT
Completed No phase listed Observational

Fetal Outcomes Among Pregnant Emergency General Surgery Patients

NCT05085353
View directory record Official record
Conditions
Pregnancy Complications, Acute Appendicitis, Acute Cholecystitis, Biliary Pancreatitis, Bowel Obstruction, Acute Diverticulitis
Interventions
non-obstetric acute general surgical disease
Procedure
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Phase 4 Interventional Results available

Optimal Care of Complicated Appendicitis

NCT03159754
View directory record Official record
Conditions
Appendicitis, Perforated Appendicitis, Ruptured Appendicitis, Complicated Appendicitis
Interventions
Early Appendectomy, Interval Appendectomy, Antibiotics
Procedure · Drug
Lead sponsor
University of Michigan
Other
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 5, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Single Incision Laparoscopic Surgery (SILS) Versus Laparoscopic Appendectomy

NCT00981136
View directory record Official record
Conditions
Appendicitis
Interventions
Single Incision Laparoscopic Appendectomy, 3 port laparoscopic appendectomy
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Month to 18 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 14, 2013 · Synced Sep 5, 2026, 4:03 PM EDT
Terminated Phase 2 Interventional Results available

Transversus Abdominis Plane (TAP) Versus Local Anesthetic for Lap Appendectomies

NCT01575028
View directory record Official record
Conditions
Appendicitis
Interventions
Ropivacaine, Bupivacaine
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2015 · Synced Sep 5, 2026, 4:03 PM EDT