Cebaracetam (; developmental code names CGS-25248; ZY-15119) is an experimental drug of the racetam group described as a nootropic which was never marketed.
It is a halogenation acetylpiperazine-substituted analogue of phenylpiracetam and is also a derivative of RGPU-95 (4-chlorophenylpiracetam). It is the analogue of RGPU-95 in which the terminal amide functional group has been replaced with a piperazine-2-ketone moiety. The mechanism of action of cebaracetam is undefined or unknown.
The drug was under development by Novartis for the treatment of cognition disorders by the 1990s but development was discontinued in 1995. It reached phase 2 prior to its discontinuation.
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