*NUCANA: EFFECTIVE DEC 15, HUGH S. GRIFFITH RETURNED TO ROLE AS CEO AND RESUMED HIS POSITION AS CO'S PRINCIPAL EXECUTIVE OFFICER
*NUCANA: ANDREW KAY RETURNED TO HIS PRIOR ROLE AS CHAIRMAN OF BOARD
((Reuters Investor Briefs; email: reutersinvestor.briefs@thomsonreuters.com))
Source Date/Time = 17-DEC-202514:18:00 GMT