What programs did Dr. Rakhit lead at Biogen?
Dr. Rakhit led the Spinraza and dexpramipexole programs at Biogen.
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### Instruction:
What programs did Dr. Rakhit lead at Biogen?

### Input: Not applicable

### Response:
Dr. Rakhit led the Spinraza and dexpramipexole programs at Biogen.<|im_end|>