IDDF2018-ABS-0065 Efficacy and effectiveness evaluation of endoscopic for stomach cancer screening, compared to radiography and pepsinogen test in high risk people in iran

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Abstract

Background

Gastric cancer is the fourth most common cancer and the second cause of cancer death throughout the world the prevalence of gastric cancer (GC) progressively increased during the last decades in Iran. Health-care systems are always faced with high costs of treatment of gastrointestinal cancers including stomach cancer. The best strategy to reduce the mortality for GC is to schedule appropriate screening and surveillance programs, which raises many relevant concerns taking into account its worldwide variability, natural history, diagnostic tools, therapeutic strategies, and cost-effectiveness.

Background

The aim of this study was to evaluate the effectiveness and cost-effectiveness of gastric cancer screening methods (Endoscopy, Radiography and Pepsinogen testing) comparing with themselves and with no screening in high risk people in Iran.

Methods

A systematic review of relevant databases, including PubMed, Cochran, Scopus, Google Scholar was conducted. The evaluating the quality of studies were carried out independently by two persons using standard checklists. To assess the cost-effectiveness, the model of decision tree was used. The hypothetical population of 1 Million of the high risk of GC were entered into the model. The study was undertaken from healthcare payer perspective. The outcome of the study was the 5 years survival and QALY of the high risk people.

Results

The 2866 studies were found in the first phase of searching through databases. After eliminating duplicate studies and studies incompatible with the inclusion and exclusion criteria of our study, 8 studies selected. The sensitivity of Endoscopy, radiography and pepsinogen testing were 93%,83% and 77% respectively. The result of modelling showed that with no screening, only 9 84 875 persons out of 1 million high risk individuals would survive after 5 years; whereas by Endoscopy and Radiography and pepsinogen testing 999,691, 9 99 344 and 9 99 113 people will have 5 years survival, respectively.

Conclusions

In terms of effectiveness, endoscopy is more susceptible to both radiographic tests and pepsinogen tests. The cost of treatment in the non-screening program was estimated at three times the endoscopic screening program. Given the high effectiveness of endoscopy and its therapeutic aspect, it is the best option for screening the population at risk.

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