Updated July 27
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PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy
The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy

The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.

The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.

retraction watch
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The Top Retractions of 2021
Retraction Watch | Dec 21, 2021
From Star Trek to ivermectin, we look back on some of the most notable about-faces in publishing this year.
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The Top Retractions of 2020
Retraction Watch | Dec 15, 2020
The Retraction Watch team takes a look at the most important publishing mistakes this year.
Paper Used in Creationist Teaching Retracted After 30 Years
Ashley Yeager | Nov 11, 2019
Criticism of the paper first surfaced in 1994, and its author was accused of scientific misconduct.
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Genetics Articles Retracted at Higher Rate than Other Disciplines
Chia-Yi Hou | Jul 26, 2019
A study estimates that 0.15 percent of genetics articles are retracted, most commonly for duplication and plagiarism.
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Nature and Science Retractions Connected to Research Misconduct
Chia-Yi Hou | Apr 12, 2019
The University of Cambridge and the University of Bristol conducted investigations of the research.
Top Retractions of 2018
Retraction Watch | Dec 26, 2018
From a self-sampling scientist to the downfall of a leading stem cell scientist, here’s our naughty list.
Retraction Watch Launches Its Database of Papers
Ashley P. Taylor | Oct 26, 2018
It includes more than 18,000 papers and conference materials that have been retracted since the 1970s.

Researcher Fazlul Sarkar Has 12 More Papers Retracted
Sukanya Charuchandra | Sep 17, 2018
The ex-Wayne State University scientist has racked up 33 retractions to date. 
AACR Apologizes for Delays in Retracting Papers
Catherine Offord | Sep 5, 2018
Nine of the most recent retractions from AACR journals are for papers coauthored by embattled cancer researcher Bharat Aggarwal.
Dartmouth Professor Plagiarized His Colleague, University Says
Jef Akst | Aug 20, 2018
H. Gilbert Welch, a health policy expert who has advocated against superfluous cancer screening, published another Dartmouth researcher’s work, according to the university administration.
Study: 35,000 Papers May Have Retraction-Worthy Image Duplication
Catherine Offord | Jun 29, 2018
The authors of a preprint recommend that journals implement better image screening procedures before publishing articles.
Another Retraction for Discredited Researcher
Jim Daley | May 25, 2018
Robert Ryan was forced to resign from the University of Dundee in 2016 following an investigation of misconduct.
OSU Professor Falsified Data on Eight Papers, Resigns
Catherine Offord | Apr 2, 2018
Ching-Shih Chen’s research involved anticancer therapeutics that were being tested in clinical trials.
Italian Scientist’s Retraction Count Hits 15
Diana Kwon | Mar 5, 2018
Alfredo Fusco, a once prominent cancer researcher, has been under investigation for alleged research misconduct since 2012.
Top 10 Retractions of 2017
Retraction Watch | Dec 18, 2017
Making the list: a journal breaks a retraction record, Nobel laureates Do the Right Thing, and Seinfeld characters write a paper 
Mass Resignation from Scientific Reports’s Editorial Board
Catherine Offord | Nov 6, 2017
Nineteen researchers have stepped down after the journal decided not to retract a paper that they say plagiarized the work of a Johns Hopkins biomedical scientist.
Oncotarget Journal Cut from Medline
Katarina Zimmer | Oct 26, 2017
New papers from a cancer journal once named as a possibly predatory publication will no longer appear in the widely used research database.
Parkinson’s Researcher Notches 17 Retracted Papers
Aggie Mika | Sep 13, 2017
Scientific misconduct motivated Yoshihiro Sato’s three additional retractions last month; his institution doesn’t respond. 
Macchiarini Retracts Another Paper
Bob Grant | Mar 22, 2017
The embattled thoracic surgeon blames his former employer, the Karolinska Institute, for losing data related to the retracted research.