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John H. Powers

Researcher at George Washington University

Publications -  137
Citations -  5814

John H. Powers is an academic researcher from George Washington University. The author has contributed to research in topics: Clinical trial & Medicine. The author has an hindex of 29, co-authored 121 publications receiving 4687 citations. Previous affiliations of John H. Powers include Leidos & University of Nottingham.

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Patient-Reported Outcomes to Support Medical Product Labeling Claims: FDA Perspective

TL;DR: Developing and use of patient-reported outcomes in clinical trials to evaluate medical products and major challenges from Food and Drug Administration's perspective in using PRO instruments, measures, and end points to support treatment benefit claims in product labeling are reviewed.
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Biomarkers and surrogate endpoints in clinical trials

TL;DR: In insight into why indirect measures such as biomarkers may fail to provide reliable evidence about the benefit-to-risk profile of interventions, the definitions of clinically meaningful endpoints and surrogate endpoints are discussed, and examples from recent clinical trials are provided.
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Fluoroquinolone-Resistant Campylobacter Species and the Withdrawal of Fluoroquinolones from Use in Poultry: A Public Health Success Story

TL;DR: Clinicians are likely to continue to encounter patients with fluoroquinolone-resistant Campylobacter infection and other enteric infection because of the continued circulation of fluoroquol one-time-use enrofloxacin in poultry flocks and in persons returning from foreign travel who have acquired a fluoroQO2-resistantEnteric infection while abroad.
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World Health Organization Ranking of Antimicrobials According to Their Importance in Human Medicine: A Critical Step for Developing Risk Management Strategies for the Use of Antimicrobials in Food Production Animals

TL;DR: The World Health Organization has developed and applied criteria to rank antimicrobials according to their relative importance in human medicine, and this ranking allows stakeholders to focus risk management efforts on drugs used in food animals that are the most important to human medicine and, thus, need to be addressed most urgently.