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Retraction Watch

Tracking retractions as a window into the scientific process

Report: Fujii faked data in at least 172 papers

with 12 comments

A Japanese web site is reporting that Yoshitaka Fujii, a Japanese anesthesiologist suspected of widespread data fabrication, did indeed fake his results in at least 172 published studies.

According to the article, on a site called Jiji Press:

   Tokyo, June 29 (Jiji Press)–A Japanese anesthesiologist made up a total of 172 fictitious research papers between 1993 and 2011, an academic society said Friday.
Yoshitaka Fujii, a 52-year-old former associate professor at Toho University, has denied fabricating research, according to the Japanese Society of Anesthesiologists.
The number of papers that he allegedly faked is the largest ever for any medical researcher, both in Japan and overseas, according to sources familiar with the field.
The society surveyed 212 articles written by Fujii that were published in a total of 41 Japanese and international journals. Of them, it found 172 fake research reports and three articles backed by real research. It was unable to assess 37 articles due to lack of scientific evidence.
Coauthors of Fujii’s articles were not sure of the content of his research, the society said.

Some of Fujii’s papers already have been retracted, but we’re guessing this opens the floodgates. We’ll update as we learn more.

Please see an update on this post, with a more complete report.

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12 Responses

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  1. Will this lead to a new pejorative verb i.e. to Fujii making the distinct from to Boldt, which will refer to fabricating IRB approval?

    Felix Freshwater

    June 30, 2012 at 8:43 am

  2. JSA has yet to publish on official statement, at least in English http://www.anesth.or.jp/english/

  3. Coauthors were not sure of the content of his research? What could this mean? Coauthors suspected he was faking his data? Or something else?


    June 30, 2012 at 1:12 pm

    • Probably something got lost in translation from Japanese just like in a sign in a Tokyo hotel advising its customers to “please leave [your] values at the front desk”.
      BTW, the title of this post, “Report: Fujii faked data in at least 172 papers”, is very biased. Why not “Report: Fujii did not fake data in at least 3 papers”? Sounds much better.


      July 1, 2012 at 6:44 am

      • The title accurately states the astonishing fact that he faked data in this many papers. Not faking data is not newsworthy, at least it shouldn’t have to be.


        July 3, 2012 at 5:34 am

      • I probably should have flagged my comment as sarcastic.


        July 3, 2012 at 2:33 pm

  4. Do we have any idea on how many distinct papers mentioned these 172 publications ?



    July 2, 2012 at 5:40 am

  5. The JSA report is out : http://www.anesth.or.jp/english/pdf/news20120629.pdf
    Only 3 papers were proven to be not fabricated, 172 were, 37 remain unclear

  6. A&A notice 22 08 2012: http://www.aaeditor.org/Retraction.OnLine.Notice.August%2022.pdf. Still awaiting University of Tsukuba report.

    John Carlisle

    August 23, 2012 at 12:34 pm

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