Woman died on cannabis drug trial Sativex is made from the cannabis plant A woman developed mental health problems and later died after taking part in trials of a cannabis-based drug, an inquest has heard. Diabetic Rene Anderson, aged 69 from Sheffield, was taken to hospital after starting to take Sativex to see if it would relieve pain she was suffering. She died in March 2004 from acute kidney failure. The continuing inquest is expected to have implications for the use of drugs derived from cannabis. Useful relief Mrs Anderson, a retired supermarket supervisor from Silkstone Close in Frecheville, had...