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Mayo, FL, United States

Logvinov I.,General Clinical Studies Unit
Contemporary Clinical Trials | Year: 2014

Clinical trial research is the cornerstone for successful advancement of medicine that provides hope for millions of people in the future. Full transparency in clinical trials may allow independent investigators to evaluate study designs, perform additional analysis of data, and potentially eliminate duplicate studies. Current regulatory system and publishers rely on investigators and pharmaceutical industries for complete and accurate reporting of results from completed clinical trials. Legislation seems to be the only way to enforce mandatory disclosure of results. The Trial and Experimental Studies Transparency (TEST) Act of 2012 was introduced to the legislators in the United States to promote greater transparency in research industry. Public safety and advancement of science are the driving forces for the proposed policy change. The TEST Act may benefit the society and researchers; however, there are major concerns with participants' privacy and intellectual property protection. © 2014 Elsevier Inc. Source


Staggs E.,General Clinical Studies Unit
Digestive and Liver Disease | Year: 2014

Background: Bowel cleansing is paramount for colonoscopy quality. Unfortunately, an adequate bowel preparation is often limited by side effects and/or patient's intolerance to bowel preparation solutions. Comparisons among different preparations are limited by the lack of validated instruments designed to assess patient's tolerability. Aim: To develop and validate a simple, comprehensive instrument to assess bowel preparation tolerability in patients undergoing colonoscopy. Methods: Development and validation by phases: Phase I (bibliographic search and questionnaire design); Phase II (assessment of content validity and modification of the questionnaire); Phase III (assessment of reproducibility, final validation, and definitive version of the questionnaire). Results: The initial draft of the questionnaire was generated based on a systematic literature review and feedback from a panel of consultants. Content validity was tested in a focus group of 25 patients undergoing colonoscopy. Patients' suggestions were reviewed by the research team and a second draft of the questionnaire was generated. Final validation and reproducibility were successfully tested (agreement: 86-100%, kappa: 0.77-1.00) in a convenience sample of 100 patients undergoing bowel preparation with different cleansing solutions. Conclusion: The Mayo Clinic Bowel Prep Tolerability Questionnaire is a simple, comprehensive instrument suitable to evaluate the tolerability of various types of bowel preparations. © 2014 Editrice Gastroenterologica Italiana S.r.l. Source

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