JPEN Journal Club 57. The Hawthorne Effect

Affiliations

¹ Emeritus Professor of Clinical Medicine, Olive View-UCLA Medical Center, David Geffen-UCLA School of Medicine, Sylmar and Los Angeles, Sylmar, California, USA.

Comment

Ronald L Koretz. JPEN J Parenter Enteral Nutr. 2021 Mar.

. 2021 Mar;45(3):657-659.

doi: 10.1002/jpen.1964. Epub 2020 Jul 30.

¹ Emeritus Professor of Clinical Medicine, Olive View-UCLA Medical Center, David Geffen-UCLA School of Medicine, Sylmar and Los Angeles, Sylmar, California, USA.

No abstract available

Comment on

Rates of and Factors Associated With Placebo Response in Trials of Pharmacotherapies for Nonalcoholic Steatohepatitis: Systematic Review and Meta-analysis.
Han MAT, Altayar O, Hamdeh S, Takyar V, Rotman Y, Etzion O, Lefebvre E, Safadi R, Ratziu V, Prokop LJ, Murad MH, Noureddin M. Han MAT, et al. Clin Gastroenterol Hepatol. 2019 Mar;17(4):616-629.e26. doi: 10.1016/j.cgh.2018.06.011. Epub 2018 Jun 18. Clin Gastroenterol Hepatol. 2019. PMID: 29913275

1. Colloca L, Barsky AJ. Placebo and nocebo effects. N Engl J Med. 2020;382(6):554-561.
1. Koretz RL. JPEN Journal Club 37. Placebos and nocebos. JPEN. 2018;42(7):1211-1213.
1. Han MAT, Altayar O, Hamdeh S, et al. Rates of and factors associated with placebo response in trials of pharmacotherapies for nonalcoholic steatohepatitis: systematic review and meta-analysis. Clin Gastroenterol Hepatol. 2019;17(4):616-629.
1. Kleiner DE, Brunt EM, Van Natta M, et al. Design and validation of a histological scoring system for nonalcoholic fatty liver disease. Hepatology. 2005;41(6):1313-1321.
1. Higgins JP, Altman DG, Gotzsche PC, et al. The Cochrane Collaboration's tool for assessing risk of bias in randomized trials. BMJ. 2011;343:d5928.