A scientist whose analysis has been on the middle of controversy over an Alzheimer’s drug candidate has been charged with fraud.

A federal grand jury on Thursday indicted Hoau-Yan Wang, a professor on the Metropolis Faculty of New York, on prices of falsifying data to acquire grants totaling roughly $16 million from the Nationwide Institutes of Well being.

Dr. Wang’s research underpinned analysis right into a diagnostic check for Alzheimer’s illness and simufilam, a drug in superior scientific trials. Simufilam’s producer, Cassava Sciences, a pharmaceutical firm primarily based in Texas, has stated the drug improves cognition in Alzheimer’s sufferers.

Alzheimer’s illness impacts roughly six million People — a quantity that’s anticipated to double by 2050 — and promising therapies generate great pleasure. Cassava’s inventory soared after every spherical of reported outcomes from its trials.

However some scientists had publicly disparaged the drug, saying its mechanism of motion and purported results were implausible. Some went additional and accused the corporate and Dr. Wang, its scientific marketing consultant, of manipulating outcomes. A number of journals retracted or connected statements of concern to publications by Dr. Wang and a co-author at Cassava.

After the indictment was announced on Friday, Cassava’s inventory plummeted to its lowest worth since October 2020.

Remi Barbier, the founder and chief govt of Cassava, didn’t instantly reply to a request for remark. However in a statement posted on its web site, the corporate stated Dr. Wang’s work “was associated to the early improvement phases of the corporate’s drug candidate and diagnostic check.”

“Dr. Wang and his former public college medical college have had no involvement within the firm’s Section 3 scientific trials of simufilam,” the assertion stated.

A publicist for the corporate pointed to a September 2023 publication that he stated offers “impartial verification of the science.”

An investigation by the Metropolis College of New York, of which the school is a component, struggled for months to acquire entry to Dr. Wang’s recordsdata. Ultimately, members of the investigating committee concluded that Dr. Wang had been “reckless” in his failure to maintain or present authentic information, an offense that “quantities to vital analysis misconduct.”

Neither the school nor Dr. Wang instantly responded to requests for touch upon the indictment.

Dr. Wang is now accused of falsifying information in grant functions over practically eight years ending in April 2023, in keeping with the Justice Division. A number of the grants funded Dr. Wang’s wage and laboratory analysis on the college.

Federal prosecutors charged Dr. Wang with a number of counts of fraud and false statements. If convicted, he faces a most jail sentence of 55 years.

The Federal Bureau of Investigation’s Washington discipline workplace is investigating the case. The indictment was handed down in Maryland, the place the N.I.H. relies.

In an emailed assertion, Renate Myles, a spokeswoman for the N.I.H., stated the company “doesn’t talk about grants compliance opinions on particular funded awards, recipient establishments or supported investigators.”

“Nevertheless, N.I.H. takes research misconduct very significantly,” she stated. “N.I.H. promptly and thoroughly opinions all allegations of analysis misconduct obtained.”