Evaluating surgery for children with high-risk appendix tumors

The Value of Complementary Right-sided Hemicolectomy for Pediatric Patients With High-risk Neuroendocrine Tumors (NETs) of the Appendix; Towards the Development of an (Inter-) National Consensus Guideline for the Pediatric Population.

Observational Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) · NCT05919758

This study is testing if a more extensive surgery for children with high-risk appendix tumors is really needed, by comparing results from kids who had that surgery to those who only had their appendix removed.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
AgesN/A to 17 Years
SexAll
SponsorAcademisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) Academic / other
Locations1 site (Amsterdam-Zuidoost)
Trial IDNCT05919758 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the effectiveness of complementary right-sided hemicolectomy in children diagnosed with high-risk neuroendocrine tumors of the appendix. Current guidelines suggest this surgical approach based on adult data, but the disease appears to be less aggressive in children, leading to questions about its necessity. By conducting an international historical cohort study, researchers will compare outcomes between children who underwent hemicolectomy and those who had only an appendectomy. The findings will inform the development of consensus guidelines for treating pediatric patients with these tumors.

Who should consider this trial

Good fit: Ideal candidates for this study are children who were treated for appendiceal neuroendocrine tumors before the age of 18 from 1990 to 2020.

Not a fit: Patients with other types of appendiceal malignancies, such as goblet cell carcinoma or adenocarcinoma, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more tailored surgical recommendations for children with high-risk neuroendocrine tumors of the appendix, potentially improving patient outcomes.

How similar studies have performed: While there is limited data on pediatric cases, adult studies have shown success with similar surgical approaches, making this an area of ongoing investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* All patients that were treated for an appendiceal NET before the age of 18 years old
* Time period: 1990-2020

Exclusion Criteria:

* Other appendiceal malignancies/tumours, for example:
* goblet cell carcinoma
* adenocarcinoma
* neuroendocrine carcinoma

Where this trial is running

Amsterdam-Zuidoost

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions NeoplasmsAppendix Cancer
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.