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The safety and efficacy of Methylene Blue MMX® modified release tablets administered to subjects undergoing screening or surveillance colonoscopy.

Evaluation of the histologically proven adenoma or carcinoma detection rate in patients undergoing a full colonoscopy with and without mucosal contrast enhancement, obtained with 200 mg of Methylene Blue MMX® tablets. The lack of mucosal contrast,…

Quadrivalent HPV vaccination after effective treatment of Anal Intraepithelial Neoplasia in HIV+ men (VACCAIN-P)

The primary objective of the current study is to assess the efficacy of qHPV vaccination in preventing recurrence of high-grade AIN in HIV+ MSM with CD4 counts >350 x 10E6/l who were successfully treated for high-grade intra-anal AIN in the…

The influence of hyoscine N-butylbromide on colonoscopic polyp detection ratio

To investigate whether bowel relaxation, induced by administration of hyoscine N-butylbromide, improves the detection, removal and colllection of lcolonic polyps during colonoscopy

Chemopreventive effects of mesalazine in patients at high risk of recurrent (nonfamilial) colorectal adenomas

1) Identify chemopreventive properties of mesalazine in patients at high risk of recurrent (nonfamilial) colorectal adenomas by evaluating the effect of treatment on apoptosis and proliferation in histologically normal sigmoid and rectal mucosa…

Standard colonoscopy versus high-definition colonoscopy with/without I-scan functions in the detection of colorectal neoplasia: a randomized multicenter study

Assessment of the adenoma detection rate at colonoscopy using :A: Standard colonoscope B: High Definition colonoscope C: High Definition colonoscope with surface enhancementD: High Definition colonoscope with surface enhancement and Colon Mode