The article “Effects of Artesunate on the Expressions of Insulin-Like Growth Factor-1, Osteopontin and C-Telopeptides of Type II Collagen in a Rat Model of Osteoarthritis” [Pharmacology. 2017;101(1–2):1–8, https://doi.org/10.1159/000479160] by Zhe Bai, Xiao-Hui Guo, Chi Tang, Si-Tong Yue, Long Shi and Bo Qiang has been retracted by the Publisher and the Editor.

Following publication, concerns were raised regarding the data presented in the article. Specifically, there appears to be an internal duplication between an area of Figure 2c and Figure 2d of this article representing the artesunate group and Viatril-S group, respectively.

The authors did not respond to requests to comment on the concerns within the given timeframe despite multiple attempts of contact. The matter has been raised to the corresponding author’s institution who did not respond to our request for an investigation. Given the image concerns raised and the absence of a response, this article is being retracted.

The authors have not responded to our correspondence regarding this retraction despite multiple attempts of contact.