In June 2016, following an investigation by MD Anderson Cancer Center, the journal Molecular Pharmacology retracted two of Aggarwal's papers, citing “inappropriate” or “unacceptable” image manipulation. By April 2018, 19 of Aggarwal's articles, published in 7 research journals, had been retracted. In September 2018, an additional nine articles by Aggarwal were retracted in journals published by the American Association for Cancer Research.
