Pharmacopsychiatry, Table of Contents Pharmacopsychiatry 2016; 49(06): 260-261DOI: 10.1055/s-0042-110493 Letter to the Editor © Georg Thieme Verlag KG Stuttgart · New YorkComparing Nalmefene and Naltrexone in Alcohol Dependence: Is there a Spin? Authors Author Affiliations F. Naudet 1 Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California, United States of America Recommend Article Abstract Buy Article(opens in new window)Keywords Keywordsnalmefene - naltrexone - alcohol use disorders Full Text References References 1 Soyka M, Friede M, Schnitker J. Comparing nalmefene and naltrexone in alcohol dependence: are there any differences? Results from an indirect meta-analysis. Pharmacopsychiatry 2016; 49: 66-75 2 Yavchitz A, Ravaud P, Altman DG et al. A new classification of spin in systematic reviews and meta-analyses was developed and ranked according to the severity. J Clin Epidemiol 2016; doi:10.1016/j.jclinepi.2016.01.020 3 Jansen JP, Naci H. Is network meta-analysis as valid as standard pairwise meta-analysis? It all depends on the distribution of effect modifiers. BMC Med 2013; 11: 159