Gastric outlet obstruction (GOO) is a common complication of various types of malignancy arising from the pancreas, bile ducts, retroperitoneum and distal stomach. As these tumours grow they may invade or compress the distal stomach or gastric outlet causing patients to develop the classical manifestations of GOO including vomiting, weight loss, electrolyte disturbances loss of quality of life as well as a reduced life expectancy. Until recently these patients were managed using either endoscopic stenting or surgery. Laparoscopic gastrojejunostomy (L-GJ) has been regarded as the golden standard in the management of GOO. However surgery is invasive and may lead to peri-operative complications and longer hospitalization which further greatly impacts on the quality of life of these patients in which survival is already greatly impaired by their oncological problem. Recently it has been shown that a special stent can be utilized to circumvent the tumour obstruction without the need for surgery. This technique utilizes endoscopic ultrasound to connect the stomach to the jejunum at a site distal to the tumour obstruction. This techniques is minimally invasive compared to surgery. In a large retrospective propensity matched study we recently compared endoscopic ultrasound placement of an AXIOS stent to laparoscopic surgery and could show that the EUS-guided approach led to less complications (2.6 vs 26%) and shorter hospital stay compared to surgery.1 Our study and that of other groups, has led the European Society of Gastrointestinal Endoscopy (ESGE) to recommend that EUS-guided gastrojejunostomy (EUS-GJ) can be considered for patients with malignant GOO as an alternative for surgery and endoscopic stenting, acknowledging that further randomized controlled trials comparing the EUS-GJ approach to surgery, are necessary.2 Based on the above clinical need we set out to design a multicentre international trial with the main aim of comparing EUS-guided gastrojejunostomy to laparoscopic gastroenterostomy. The planned study has two components: 1. Randomized study (EATING RCT)- patients that meet the strict inclusion criteria for the (EATING-RCT) will be randomized to either EUS-GJ or L-GJ. 2. Patients in whom inclusion criteria for the RCT are not met, will be invited to participate in the observational arm of the study (EATING-C) comparing EUS-GJ, enteral stenting and surgical gastrojenostomy in a "real world scenario" setting. With this combined design we aim to include all patients with malignant gastric outlet obstruction undergoing treatment. This will be an international multicentre effort, with expert centers in Belgium and other countries in Europe, including UZ Brussel (BE), UCL (BE), Hôpital Erasme (BE), UCL Namur (BE), UZ Gent (BE), Alicante (Spain), Gemelli Rome (Italy), San-Rafaelle Milan (Italy) and G.B. Rossi University Hospital Verona (Italy) as participating centres (total n=11). This envisaged investigator driven study will be performed using an AXIOS stent produced by the company BOSTON SCIENTIFIC. This stent is registered in Europe and CE approved for the drainage of pancreatic fluid collections, the gall bladder and bile ducts. As described above we and other groups have used this product off-label to succesfully perform EUS-guided GJ. High-quality randomized controlled data are however required that will be generated in the proposed EATING RCT study. It is expected that the data, generated by the EATING RCT trial will contribute significantly to resolve the current question regarding the best management of patients with GOO. Ultimately the objective should be to provide high quality affordable care that is minimally invasive to cancer patients with GOO. Such high quality data will also be crucial when applying for registration and CE approval of this product for use in the management of GOO .
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Procedure related adverse event
Timeframe: 90 days