A man left brain-dead after an experimental drug trial in France has died, local media report.
He was one of six people being treated in hospital in the city of Rennes.
The other five remain in a stable condition, the hospital said, four had “neurological problems”, the fifth had no symptoms.
Reports that the drug was a cannabis-based painkiller have been denied by the French health ministry. The Paris prosecutor has opened an investigation
The trial, which involved taking the drug orally and has now been suspended, was conducted by a private laboratory in Rennes.
Ninety volunteers took the drug, manufactured by the Portuguese company Bial