Sanofi and US start-up Aetion are to collaborate on integrating their real-world evidence and analytics platforms to improve the clinical development process.

Sanofi's latest digital health move will see it collaborating with Happify Health on a digital therapeutic for patients with multiple sclerosis, a therapeutic area it knows well.

Sanofi returns two partnered assets to Voyager, further unraveling 2015 deal. Celgene drops Mereo cancer candidate ahead of merger with Bristol, while Ultragenyx and Arcturus expand their joint rare disease efforts.