** U.S.-listed shares of Switzerland-based NLS Pharmaceutics
AG NLSP.O rise 5.1% to $1.63
** Co says Patents Registry, Intellectual Property
Department of The Government of the Hong Kong Special
Administrative Region has granted patent approval covering
mazindol ER as a method of treatment for attention deficit
hyperactivity disorder
** The patent is expected to expire no earlier than 2037
** The patent also relates the use of the drug in other sleep
disorders like narcolepsy and idiopathic hypersomnia - NLSP
** Co has accelerated ongoing clinical development of its
lead product and proprietary extended-release formulation of
mazindol, quilience, for the treatment of rare sleep disorders
** Stock gained ~16% last year
(Reporting by Sriparna Roy)
((Sriparna.Roy@thomsonreuters.com;))