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Expression of Concern: The effects of melatonin supplementation on mental health, metabolic and genetic profiles in patients under methadone maintenance treatment

2 Assessments

2 Serious · 0 Some · 0 No · 0 N/A

ReviewerDateQ1.1Does the study have an associated retraction?Q1.2Does the study have an associated expression of concern or other relevant post-publication notice?Q1.3Do other studies by the research team highlight causes for concern?Q2.2Are there concerns relating to the timing or absence of study registration?OverallActions
RV017

Evidence Synthesis Methodolodgy Editor

25 Feb 2026
No
Yes
Yes
Yes
Serious concernsView
RV019

Evidence Synthesis Methdos Lead

8 Mar 2026
No
Yes
Yes
Yes
Serious concernsView

Publication Details

Journal
Addiction Biology
Publisher
Wiley
Published
27 Jun 2018
Pages
pp. 754–764
ISSN / eISSN
1355-6215 / 1369-1600