Charles Piller

Beset by fraud allegations and government probes, Cassava pulls plug on all ongoing studies of simufilam

Berislav Zlokovic no longer heads neuroscience institute, University of Southern California email reveals

Agency fines Cassava $40 million, and two of its employees lesser amounts, over research on simufilam

Agency announces research misconduct finding for neuroscientist Eliezer Masliah as scores of his papers fall under suspicion

Department of Justice accuses Hoau-Yan Wang of fabricating and falsifying data connected to Cassava Sciences’s drug simufilam

After 2022 exoneration, fresh inquiry concludes Steven Newmaster fabricated data that questioned quality of echinacea, ginkgo, and other substances

Senior author acknowledges manipulated figures in study tying a form of amyloid protein to memory impairment

Inspectors faulted trial sample analyses by Hoau-Yan Wang, academic partner of Cassava Sciences

Agency will investigate safety and misconduct concerns before study begins

Did star neuroscientist Berislav Zlokovic manipulate data that support NIH-funded stroke trial and important Alzheimer’s research?

City University of New York’s Hoau-Yan Wang couldn’t provide original data to refute allegations of image manipulation, university says

Amyloid-clearing antibody lecanemab faces key FDA hearing in June

Journal cites “lack of confidence” in DNA results supplied by Steven Newmaster for caribou study

Eisai strengthened caution on taking blood thinners with its experimental drug

Amid lobbying for lecanemab’s approval, a newly revealed death adds to doubts about safety of antiamyloid antibody

Woman’s brain hemorrhage while receiving Eisai’s widely heralded lecanemab heightens concerns overs its safety

Matthew Schrag investigated his old publications after they were flagged on the PubPeer website

BMC Medicine says “no further editorial action” is needed after a university investigation cleared Steven Newmaster of misconduct

On this week’s show: Troubling signs of fraud threaten discoveries key to a reigning theory of Alzheimer’s disease, and calculating the saltiness of the ocean on one of Saturn’s moons

Steven Newmaster engaged in “suspicious” work and showed “poor judgement,” panel concludes—but there’s “insufficient evidence” for misconduct