Another example: anti-cancer drug Avastis has been found to be effective against blindness in old age (wet macular degeneration). The current drug for preventin

Another example: anti-cancer drug Avastis has been found to be effective against blindness in old age (wet macular degeneration). The current drug for preventing wet macular degeneration is Lucentis, which costs 10 times more than Avastis. Twelve NHS clinical commissioning groups (CCGs) have recommended switching to the cheaper (and just as effective) Avastis drug. But Novartis and Bayer, who market the more expensive Lucentis, have threaten legal action over the use of the cheaper drug. https://www.theguardian.com/society/2017/nov/01/drug-giants-threaten-nhs-with-legal-action-over-cheaper-drug-that-could-save-84m-a-year https://www.theguardian.com/society/2017/nov/01/drug-giants-...