(Reuters) -GSK shares fell more than 6% on Friday after a U.S. FDA advisory panel recommended against approving its blood cancer drug Blenrep, citing earlier concerns over eye-related side effects. The British drugmaker was trying to revive the drug,

GSK Plc shares tumbled after its blood cancer drug failed to secure the backing of a panel of US regulatory advisers, putting its approval in doubt.

GSK has failed to win the backing of influential advisers to the US drugs regulator for a key blood cancer drug, putting its approval in doubt and sending shares in the pharmaceutical group 7 per cent lower on Friday morning.