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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:57 PM EDT

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Showing 1–24 of 78 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Acute Appendicitis Clear all
Terminated Not applicable Interventional Results available

Operative vs Non-Operative Management of Acute Appendicitis and Acute Cholecystitis in COVID-19 Positive Patients

NCT04748120
View directory record Official record
Conditions
Covid19, Appendicitis, Cholecystitis, Acute, Cholecystitis; Gallstone, Cholecystitis
Interventions
Operative management, Non-operative management
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

The Impact of IV Acetaminophen on Pain After Appendectomy for Perforated Appendicitis

NCT02881996
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
IV tylenol, No IV tylenol, Ketorolac
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Years to 17 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Wound Infection Alexis Wound Retractor

NCT00323453
View directory record Official record
Conditions
Appendicitis
Interventions
Open appendectomy using Alexis Wound Retractor followed by standardized wound closure, Open appendectomy with standardized wound closure
Device · Procedure
Lead sponsor
Santa Barbara Cottage Hospital
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2018 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Appendectomy Versus Non-Operative Treatment For Acute Non-Perforated Appendicitis in Children

NCT02687464
View directory record Official record
Conditions
Appendicitis
Interventions
Non-operative treatment, Appendectomy
Other · Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 16 Years
Enrollment
978 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Comparative Study of Laparoscopic Versus Open Appendectomy in Children

NCT00554008
View directory record Official record
Conditions
Appendicitis
Interventions
laparoscopic appendectomy, open appendectomy
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Up to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Los Angeles, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 30, 2012 · Synced Oct 20, 2026, 6:57 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 8, 2015 · Synced Oct 20, 2026, 6:57 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 6, 2007 · Synced Oct 20, 2026, 6:57 PM EDT
Completed No phase listed Observational

Pediatric Appendicitis Pathway Study

NCT01192620
View directory record Official record
Conditions
Appendicitis
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 18 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Randomized Controlled Trial of a Patient Activation Tool in Pediatric Appendicitis (Antibiotics Alone vs. Appendectomy)

NCT02110485
View directory record Official record
Conditions
Appendicitis, Children
Interventions
Patient Activation Tool
Other
Lead sponsor
Peter Minneci
Other
Eligibility
7 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Magnetic Resonance Imaging (MRI) of Appendicitis in Children

NCT00723788
View directory record Official record
Conditions
Appendicitis
Interventions
MRI of the abdomen
Device
Lead sponsor
Children's National Research Institute
Other
Eligibility
8 Years to 18 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 21, 2014 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Fast Track Appendectomy for Suppurative Appendicitis

NCT02137603
View directory record Official record
Conditions
Suppurative Appendicitis
Interventions
Patients discharged home the same day following appendectomy
Other
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 20, 2026, 6:57 PM EDT
Terminated Phase 3 Interventional Results available

A Safety and Tolerability Study of Doripenem Compared With Meropenem in Children Hospitalized With Complicated Intra-abdominal Infections

NCT01110382
View directory record Official record
Conditions
Abscess, Intra-Abdominal, Abdominal Abscess, Abdomen, Acute, Abdominal Pain, Appendicitis, Rupture, Infection, Intestinal Perforation, Peritonitis, Ileus
Interventions
Doripenem, Meropenem placebo, Meropenem, Doripenem placebo, Amoxicillin/clavulanate potassium
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
3 Months to 18 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
4
States / cities
San Diego, California • Washington D.C., District of Columbia • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2014 · Synced Oct 20, 2026, 6:57 PM EDT
Active, not recruiting Phase 1 Interventional

Precision Antibiotic Dosing for Appendectomy

NCT06860802
View directory record Official record
Conditions
Appendicitis (Diagnosis)
Interventions
Cefoxitin
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Phase 3 Interventional

Early Versus Interval Appendectomy for Ruptured Appendicitis in Children

NCT00435032
View directory record Official record
Conditions
Ruptured Appendicitis
Interventions
early appendectomy, interval appendectomy
Procedure
Lead sponsor
University of Tennessee
Other
Eligibility
Up to 18 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Oct 20, 2026, 6:57 PM EDT
Not yet recruiting Phase 4 Interventional

Povidone-iodine Irrigation for Prevention of Intra-abdominal Abscess in Pediatric Perforated Appendicitis: a Multi-center Stepped Wedge Cluster Randomized Study

NCT04200729
View directory record Official record
Conditions
Acute, Perforated Appendicitis
Interventions
Irrigation with PVI, Usual care
Drug · Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
2 Years to 17 Years
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 20, 2026, 6:57 PM EDT
Terminated Not applicable Interventional

Initial Versus Delayed Operation for Treatment of Complicated Appendicitis In Children

NCT00540189
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Initial appendectomy, Interval appendectomy
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
2 Years to 17 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparison of UGBRS Block and Local Infiltration

NCT02352519
View directory record Official record
Conditions
Appendicitis
Interventions
UGBRSB, Local Infiltration
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
6 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2015 · Synced Oct 20, 2026, 6:57 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 22, 2014 · Synced Oct 20, 2026, 6:57 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 17, 2019 · Synced Oct 20, 2026, 6:57 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 10, 2018 · Synced Oct 20, 2026, 6:57 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 24, 2015 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Probiotics and Antibiotic Associated Diarrhea in Pediatric Complicated Appendicitis

NCT04529980
View directory record Official record
Conditions
Appendicitis, Appendicitis; Perforation
Interventions
Lactobacillus rhamnosus GG (LGG) Probiotic, Placebo
Dietary Supplement
Lead sponsor
Children's Health
Other
Eligibility
4 Years to 18 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Oct 20, 2026, 6:57 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Eravacycline Compared With Meropenem in Complicated Intra-abdominal Infections

NCT02784704
View directory record Official record
Conditions
Complicated Intra-abdominal Infections, Complicated Appendicitis
Interventions
Eravacycline, Meropenem, Placebo
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
6
States / cities
Los Angeles, California • Indianapolis, Indiana • Las Vegas, Nevada + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2022 · Synced Oct 20, 2026, 6:57 PM EDT
Completed No phase listed Observational

TRIAD Appendicitis Decision-making Surveys

NCT05887414
View directory record Official record
Conditions
Appendicitis
Interventions
Baseline, 30 Day Follow Up
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
2,542 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
17
States / cities
Baldwin Park, California • Los Angeles, California • Riverside, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Oct 20, 2026, 6:57 PM EDT