Search Results for: jun iwamoto

Exclusive: Elsevier journal COPE threatened with sanctions will retract four more articles

The journal a publication ethics watchdog threatened with sanctions for taking years to retract articles will pull four more related papers, Retraction Watch has learned.  Last July, the Committee for Publication Ethics (COPE) sent a warning letter to Elsevier regarding 10 papers by Yoshihiro Sato and Jun Iwamoto, who hold positions four and six on … Continue reading Exclusive: Elsevier journal COPE threatened with sanctions will retract four more articles

Exclusive: COPE threatens Elsevier journal with sanctions for ‘clear breakdown’ before seven retractions

An Elsevier journal has retracted seven articles by a prolific data fabricator – three and a half years after the publisher said it would retract 10 of his papers, and five months after the Committee on Publication Ethics (COPE) threatened the journal with sanctions for the delay.  As we previously reported, the Journal of the … Continue reading Exclusive: COPE threatens Elsevier journal with sanctions for ‘clear breakdown’ before seven retractions

How many ducks do you need to line up to get a publication retracted?

In July 2017, we notified the Journal of Bone and Mineral Metabolism (JBMM) of concerns about a randomized controlled trial (RCT) in rats which featured, among other problems, extensive duplication of data in a separate publication, large numbers of discrepancies in the methods and results between the publications, and serious concerns about the governance and … Continue reading How many ducks do you need to line up to get a publication retracted?

An Elsevier journal said it would retract 10 papers two years ago. It still hasn’t.

An Elsevier journal has sat for two years on its decision to retract 10 papers by researchers with known misconduct issues, according to emails seen by Retraction Watch.  The Journal of the Neurological Sciences had decided by June 2020 to retract the articles by Yoshihiro Sato and Jun Iwamoto, who are currently in positions four … Continue reading An Elsevier journal said it would retract 10 papers two years ago. It still hasn’t.

‘The notices are utterly unhelpful’: A look at how journals have handled allegations about hundreds of papers

Retraction Watch readers may recall the names Jun Iwamoto and Yoshihiro Sato, who now sit in positions 3 and 4 of our leaderboard of retractions, Sato with more than 100. Readers may also recall the names Andrew Grey, Alison Avenell and Mark Bolland, whose sleuthing was responsible for those retractions. In a recent paper in … Continue reading ‘The notices are utterly unhelpful’: A look at how journals have handled allegations about hundreds of papers

An influential osteoporosis study is “likely fraudulent” — but not retracted

Alison Avenell first came across The Yamaguchi Osteoporosis Study (YOPS) when she was working on a 2014 Cochrane Review on bone fractures. She cited the study but felt something was off about it. “I suppose, together with my collaborators over the years, we developed sort of antennae for rather suspicious looking studies,” Avenell, of the … Continue reading An influential osteoporosis study is “likely fraudulent” — but not retracted

‘We badly need to change processes’: How ‘slow, opaque and inconsistent’ journals’ responses to misconduct can be

Two researchers from Japan — Jun Iwamoto and the late Yoshihiro Sato — have slowly crept up our leaderboard of retractions to positions 3 and 4. They have that dubious distinction because a group of researchers from the University of Auckland the University of Aberdeen, who have spent years analyzing the work. As their efforts continue, … Continue reading ‘We badly need to change processes’: How ‘slow, opaque and inconsistent’ journals’ responses to misconduct can be

Journal expresses a great deal of concern over deceased author’s work

A gastroenterology journal has issued an extensive expression of concern about a 2013 paper by Yoshihiro Sato, a Japanese endocrinologist who has posthumously been climbing the Retraction Watch leaderboard. (He’s now ranked number three, ahead of Diederik Stapel.) To call the statement an “expression of concern” is like calling Charles M. Schulz a talented cartoonist, … Continue reading Journal expresses a great deal of concern over deceased author’s work

Dear editor: Your retraction notice stinks

When you think a retraction notice doesn’t tell the whole story, what should you do? For one group of researchers who’ve been closely following how journals handle the work associated with a bone researcher found guilty of misconduct, the actions of one publication were too problematic to let go. So the researchers wrote to the … Continue reading Dear editor: Your retraction notice stinks

Caught Our Notice: No retraction for “likely fraudulent” study

Title: Homocysteine as a predictive factor for hip fracture in elderly women with Parkinson’s disease What Caught Our Attention:  In a letter to the editor, researchers led by Mark Bolland recently outlined the many reasons why a study by Yoshihiro Sato and colleagues in The American Journal of Medicine was “unreliable,” including evidence that the … Continue reading Caught Our Notice: No retraction for “likely fraudulent” study