Following a racist tweet issued by US comedienne Roseanne Barr earlier this week, Sanofi has rejected her claim that its sleep aid drug Ambien was responsible for her behaviour.
A look back at some of this week's most eyecatching stories, including the scandal around Cambridge Analytica's unauthorised data harvesting for the Trump election campaign.
Rumours that Sanofi was in discussion with private equity groups over the sale of its consumer health business Opella have been confirmed – at least partially.