(in dogs) were poorly tolerated. FDA approval status Phase II clinical trials of seletracetam were ongoing but in July 2007 the company stated that the drug's development has been put on hold. Although the conducted Phase II trials showed success, it was less than expected given the performance of seletracetam in animal models. There have been no known Phase IIb or Phase III trials. In 2010, development of seletracetam was halted in favor of the development of brivaracetam, a newer variation of the drug. References Racetams Organofluorides Alkene derivatives Butyramides Abandoned drugs