Exploring the Landscape of Injury and Repair in the Human Oesophagus

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-03-01

Study Completion Date

2026-04-29

Brief Summary

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The goal of this study limited to working with human tissue samples is to delineate the mechanisms defining appropriate oesophageal injury and repair and to use this information to understand how these rules are dysregulated and result in cancer formation in adult patients undergoing endoluminal vacuum therapy (EVT therapy) for the treatment of perforations to the oesophagus.

The main question\[s\] it aims to answer are:

* to gain a deeper understanding of the processes underlying tissue regeneration and repair in the oesophagus and upper gastro-intestinal tract following physical injury
* to identify the similarities in the processes of regeneration and early carcinogenesis

Participants will take part in the study during their usual EVT therapy schedule. Tissue brushings and pinch biopsies will also be taken.

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Detailed Description

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Tissue injury activates a number of cellular responses to initiate wound healing, resulting in the formation of new tissue within a short span of time and in a controlled fashion. In contrast, cancer results when a tissue mass forms in an unregulated process. Understanding the molecular mechanisms behind appropriate wound healing enables us to delineate how this process goes askew in the context of cancer. The goal is to delineate the mechanisms defining appropriate oesophageal injury and repair, and to use this information to understand how these rules are dysregulated and result in cancer formation.

In this study, the researchers wish to recruit adult patients undergoing endoluminal vacuum therapy (EVT therapy) for the treatment of perforations to the oesophagus in order to collect the discarded EVT sponge, biopsies from endoscopies, resected surgical specimens and additional blood samples. The researchers will request consent for access to archived tissue samples from any previous related surgery and some associated clinical metadata. The samples and associated clinical metadata will then be pseudonymised and sent to the Wellcome Sanger Institute.

Once samples are received at the Wellcome Sanger Institute, they will undergo a number of procedures including but not limited to genome sequencing, this will enable the researchers to gain a better understanding of the wound healing process, specifically how it can sometimes go wrong and lead to the development of cancer.

Conditions

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Perforations to the Oesophagus

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Study Groups

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Group 1

Group 1 will include patients who are having elective upper gastro-intestinal surgery where a leak is a recognised complication (but has not occurred).

Sample collection

Intervention Type OTHER

Sample collection: EVT sponges, tissue brushings and pinch biopsies

Group 2

Group 2 will include patients who present acutely with an upper gastro-intestinal leak.

Sample collection

Intervention Type OTHER

Sample collection: EVT sponges, tissue brushings and pinch biopsies

Interventions

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Sample collection

Sample collection: EVT sponges, tissue brushings and pinch biopsies

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Male and Female patients 18 years old and over who are having elective upper gastro-intestinal surgery where a leak is a recognised complication (but has not occurred)
* Male and Female patients 18 years and over who present acutely with an upper gastro-intestinal leak.