Sumitomo Dainippon Pharma Co. Ltd. (DSP) has without doubt had a tough year. First its shares were slammed by the failure of partner SanBio Co. Ltd.'s cell therapy in ischemic stroke early in 2019, a blow from which they still haven't recovered.
This came around the same time as a US Complete Response Letter for apomorphine in off episodes in Parkinson's disease.








