Comparison Study of Brachytherapy and Endoscopic Stenting for Dysphagia in Esophago-Gastric Junction Cancer (BRASTEGAC)

M

Medical University of Lublin

Status and phase

Unknown
Phase 3
Phase 2

Conditions

Adenocarcinoma of the Esophago-gastric Junction

Treatments

Procedure: Endoscopic stenting
Radiation: Brachytherapy

Study type

Interventional

Funder types

Other

Identifiers

NCT01786278
MULEK-0254/281/2011 (Other Identifier)
EGC-DYS-0254/281/2011-MUL

Details and patient eligibility

About

The objective of the study is comparison of the efficacy and safety of palliative therapy with single-dose brachytherapy or selfexpanding metal stents (SEMS) in malignant dysphagia resulting from adenocarcinoma of the esophago-gastric junction.

Full description

Over the past two decades it has been observed a clear trend in the increasing incidence of adenocarcinoma of the esophagus and esophago-gastric junction. More than half of these patients already have inoperable disease at presentation. Most of them need palliative treatment to relieve progressive dysphagia. Presently, endoscopic placement of a covered selfexpanding metal stent is the most commonly used method for treatment of malignant dysphagia. Cancer overgrowth and stent migration are the most common complications of endoscopic stenting and they occur more frequently with longer time from stenting. Specific location at esophago-gastric junction at the end point of the propulsive force after swallow may predispose stents for easier migration to the stomach. Additionally, the advances in chemotherapy have resulted in improved median survival of advanced adenocarcinoma ot the stomach and esophago-gastric junction even up to 10-12 months increasing a potential for higher chance for occurrence of stent complications. Brachytherapy has been proved to be a valuable and durable method to treat malignant dysphagia resulting from esophageal and mainly squamous cell cancer. For many years irradiation was not recommended for adenocarcinoma of the esophagus and esophago-gastric junction due to their putative low sensitivity to radiotherapy. Recently external beam radiation has been incorporated to a combined modality therapy regimens also for adenocarcinoma of the esophagus. Thus, brachytherapy could be an attractive and durable method for improving swallowing in adenocarcinoma of the esophago-gastric junction, as well. Single-dose brachytherapy and endoscopic stenting with SEMS in relieving dysphagia resulting from clearly defined adenocarcinoma of the esophago-gastric junction have not been compared yet.

Enrollment

80 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adenocarcinoma of the esophago-gastric junction defined as adenocarcinoma involving lower esophagus and upper stomach with epicenter of the primary tumor between 5cm above and 5cm below the anatomic esophago-gastric junction
  • Inoperable cancer - locally advanced irresectible cancer, distant metastasis or patient's condition does not fit to undergo a curative therapy
  • Dysphagia score 2-4
  • Performance status 60-100
  • Signed informed consent

Exclusion criteria

  • Esophageal squamous cell carcinoma
  • Esophageal adenocarcinoma
  • Gastric cancer
  • Performance status <60
  • Instable cardiocirculatory or respiratory disorder
  • Concurrent external beam radiation therapy
  • Previous anticancer therapy related to current adenocarcinoma of the esophago-gastric junction

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

80 participants in 2 patient groups

Brachytherapy
Experimental group
Description:
Single dose of 12 Gy generated using a flexible applicator containing Iridium 192 with the range of irradiation of 1cm from the applicator axis. The extent of irradiation will cover the whole length of cancer stricture and 2cm beyond proximal and distal end of the tumor.
Treatment:
Radiation: Brachytherapy
Endoscopic Stenting
Other group
Description:
Endoscopic stenting with partially covered selfexpandable metalic stents positioned across the cancer stricture and extending 2cm proximally and 2cm distally to the proximal and distal end of the tumor, respectively
Treatment:
Procedure: Endoscopic stenting

Trial contacts and locations

2

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Central trial contact

Tomasz Skoczylas, MD, PhD

Data sourced from clinicaltrials.gov

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