On my full text screening part for a systematic review, We include a retracted article that's related to our inclusion criteria
Is it a wrong step to include this trial ?
As we have already extracted data from study
Dear Colleague
Retracted trials should not be included in systematic reviews. I remember i once saw a meta-analysis entitled "xxxxxx: a systematic review without Fuji studies". What happened is that man published 70 trials on that topic, but some of them were withdrawn for being discovered fake. So the authors of that review decided not only to ignore retracted papers, but even other papers by the same author. Collectively, you should avoid including them and state that in your exclusion criteria.
Kind Regards
Dear Colleague
Retracted trials should not be included in systematic reviews. I remember i once saw a meta-analysis entitled "xxxxxx: a systematic review without Fuji studies". What happened is that man published 70 trials on that topic, but some of them were withdrawn for being discovered fake. So the authors of that review decided not only to ignore retracted papers, but even other papers by the same author. Collectively, you should avoid including them and state that in your exclusion criteria.
Kind Regards
Best to exclude retracted trials and state the reason why you have done so in your PRISMA flow chart (if that's what you're using) to account for the difference in your search results and considered for inclusion after title/abstract sift
Agreed. We usually identify articles like this as "Excluded following full-text review" and describe the reason for exclusion in the PRISMA diagram. It is not uncommon to mention these retracted studies in the discussion section of the manuscript (since you have already extracted the data and can see how the retracted studies compare to the results of the included studies). If the retracted manuscript was a major cornerstone publication, it may have shaped the research design and hypotheses of subsequent research before it was retracted, and, as a result, potentially influenced the conclusions of many of the researchers included in your systematic review. Might be worth a mention.
Please read this paper:
https://ahrecs.com/research-integrity/the-inclusion-of-retracted-trials-in-systematic-reviews-implications-for-patients-safety
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