Are randomized control studies needed to evaluate the efficacy of treatment techniques that are clearly minimally invasive and already widely used?

Affiliations

¹ Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan.
² Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan.

Editorial

Takuji Gotoda et al. Gastrointest Endosc. 2017 Jan.

. 2017 Jan;85(1):153-154.

doi: 10.1016/j.gie.2016.09.006.

¹ Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan.
² Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan.

No abstract available

Comment on

Long-term prognosis of expanded-indication differentiated-type early gastric cancer treated with endoscopic submucosal dissection or surgery using propensity score analysis.
Fukunaga S, Nagami Y, Shiba M, Ominami M, Tanigawa T, Yamagami H, Tanaka H, Muguruma K, Watanabe T, Tominaga K, Fujiwara Y, Ohira M, Hirakawa K, Arakawa T. Fukunaga S, et al. Gastrointest Endosc. 2017 Jan;85(1):143-152. doi: 10.1016/j.gie.2016.06.049. Epub 2016 Jun 27. Gastrointest Endosc. 2017. PMID: 27365265