Journal flags two more papers by diabetes researcher who sued to stop retractions (and now has 12)

A diabetes journal has issued two notices of concern for papers co-authored by a researcher who took another publisher to court after it did the same thing — but ultimately lost. The notices are for two papers co-authored by Mario Saad — who, after losing his legal battle with the American Diabetes Association, has since […]

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Diabetes researcher logged 1 retraction, 3 correx, after PubPeer comments

A journal has retracted a paper by a leading diabetes researcher — who has also issued three corrections — after questions about her research were raised on PubPeer. Kathrin Maedler — who works at the University of Bremen in Germany — corrected another paper in 2014. All of the notices are dated from 2015, and all describe issues with […]

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Authors retract abstract following misconduct by diabetes biotech

Earlier this year, authors retracted a meeting abstract about a diabetes drug, following the revelation that the biotech that funded the trial committed misconduct. The retraction was initiated by corresponding author Itamar Raz, at Hadassah Medical Center in Israel. The journal didn’t receive a response from any co-authors who were affiliated with the biotech company, Andromeda, so […]

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“Conscious fabrication” leads to retraction of diabetes study

Diabetologia has retracted a 2011 meeting abstract from a group in Sweden, indicating that the second author has been found guilty of research misconduct — a charge the scientist denies. The abstract, “Reduced syntaxin-5 in skeletal muscle of patients with type 2 diabetes is linked to increased diacylglycerol, activation of PKCtheta and impaired insulin signalling,” […]

Diabetes researchers retract, correct and republish study on mortality rates

A diabetes paper that received quite a bit of media attention when it was published in June 2013 was retracted and reissued to fix data errors shortly after publication. The paper, which showed a steep decline in mortality rates for diabetics in Ontario, Canada, and the UK between 1996 and 2009, was republished in December 2013, […]