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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Appendicitis Acute Clear all
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 Mar 5, 2026 · Synced Jun 25, 2026, 10:27 PM EDT
Recruiting Not applicable Interventional

Early Detection of Infection Using the Fitbit in Pediatric Surgical Patients

NCT06395636
View directory record Official record
Conditions
Appendectomy, Appendicitis, Appendicitis Acute
Interventions
Infection-Prediction Algorithm
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
3 Years to 18 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Chicago, Illinois • Maywood, Illinois • Winfield, Illinois
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jun 25, 2026, 10:27 PM EDT
Completed No phase listed Observational

The Performance of the APPY1 Test in the Evaluation of Possible Acute Appendicitis

NCT01652170
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Not listed
Lead sponsor
Venaxis, Inc.
Industry
Eligibility
2 Years to 20 Years
Enrollment
2,201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
29
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Sacramento, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
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 13, 2022 · Synced Jun 25, 2026, 10:27 PM EDT
Completed Not applicable Interventional

Complex And Simple Appendicitis: REstrictive or Liberal Post-operative Antibiotic eXposure (CASA RELAX) - Atrium Health

NCT05746520
View directory record Official record
Conditions
Appendicitis Surgery
Interventions
Antibiotic
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Jun 25, 2026, 10:27 PM EDT
Recruiting No phase listed Observational

Retrospective Acute Care Appendectomy Study

NCT06624215
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Appendectomy
Procedure
Lead sponsor
Intuitive Surgical
Industry
Eligibility
22 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Columbus, Ohio • Portland, Oregon • New Braunfels, Texas
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
Completed Phase 2 Interventional Results available

The Role of Contrast Enhanced Ultrasound in Appendicitis

NCT03687502
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Sulfur hexafluoride lipid-type A microspheres
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Jun 25, 2026, 10:27 PM EDT
Completed No phase listed Observational

Point of Care Ultrasound for Evaluation of Suspected Appendicitis in the Emergency Department

NCT02731924
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Ultrasound for Appendicitis
Procedure
Lead sponsor
WellSpan Health
Other
Eligibility
Not listed
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
York, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Appendicitis Choice of Treatment Study

NCT04968782
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Patients with acute appendicitis
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Diagnosis of Abdominal Pain Using RNA Levels: The NATURAL Study

NCT07579312
View directory record Official record
Conditions
Intra Abdominal Infections, Appendicitis Acute, Pyelonephritis, Diverticulitis, Epiploic Appendagitis
Interventions
TruNAV, an RNA-based blood test for host immune activation by infections
Diagnostic Test
Lead sponsor
True Bearing Diagnostics, Inc.
Industry
Eligibility
7 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jun 25, 2026, 10:27 PM EDT
Withdrawn Not applicable Interventional

The Effect of Gum Chewing on Postoperative Ileus

NCT00879294
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Motion sickness wristband, Chewing Gum
Device · Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
6 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

EHR-based Decision Support for Pediatric Acute Abdominal Pain in Emergency Care

NCT02633735
View directory record Official record
Conditions
Appendicitis
Interventions
Appy CDS
Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
5 Years to 20 Years
Enrollment
5,940 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Oakland, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 8, 2020 · Synced Jun 25, 2026, 10:27 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 14, 2014 · Synced Jun 25, 2026, 10:27 PM EDT
Completed Not applicable Interventional

Initial Antibiotics and Delayed Appendectomy for Acute Appendicitis

NCT01697059
View directory record Official record
Conditions
Acute Appendicitis
Interventions
Piperacillin + Amoxicillin
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Jun 25, 2026, 10:27 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 25, 2023 · Synced Jun 25, 2026, 10:27 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 Jun 25, 2026, 10:27 PM EDT
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 Jun 25, 2026, 10:27 PM EDT