** Catalyst Pharmaceuticals CPRX.O shares rise 7.4% to $29.40
** Italian drugmaker Angelini Pharma is exploring a potential acquisition of Catalyst as it looks at deals to expand its footprint globally, Bloomberg News reports, citing people familiar with the matter
** Discussions are at a preliminary stage, the report said, adding Angelini is working with advisers as it studies a possible purchase of CPRX
** Reuters has not independently verified the report
** Stock up 27.6% YTD
(Reporting by Sriparna Roy in Bengaluru)
((Sriparna.Roy@thomsonreuters.com;))