Herceptin - Wanting the "Wonder Drug". Herceptin is available on the NHS for women with advanced breast cancer, but not as a treatment for early onset of the disease. On the eve of a High Court case that pits a patient fighting for the costly drug against her local health chiefs, Betsan Powys probes the rise of patient power and the tough fiscal decisions facing the NHS. Producer John Thynne ; Editor Mike Robinson Signed repeat on Thursday at 12.25am www.bbc.co.uk/panorama NOTE: as Panorama reacts to news, its subject matter may change