Owen Sharp, of the Prostate Cancer Charity, says the Abirateron drug allows prostate cancer patients to have "a full and active life."
The drug "improves the level of pain the men have...and means they can be full participants with their family and everyday activity at a time when they are coming towards the end of their life," he says.
More top news
The British Foreign Office was criticised for its advice on Tunisia in the wake of the Sousse attacks. What is current travel advice like?
Pets At Home told owners to seek immediate veterinary advice if their cats have become ill after eating the four affected dry food products.
Andrew Saunders pleaded guilty to killing Zoe Morgan and Lee Simmons.