Voy­ager Ther­a­peu­tics adds proof its gene ther­a­py for Parkin­son's can work, shares soar

Voy­ager Ther­a­peu­tics $VY­GR says it’s turned an im­por­tant cor­ner in its de­vel­op­ment of a gene ther­a­py that can play a ma­jor role in res­cu­ing Parkin­son’s pa­tients from the in­evitable de­cline as­so­ci­at­ed with their re­sponse to lev­odopa.

The Cam­bridge, MA-based biotech has fleshed out its ear­ly-stage proof-of-con­cept da­ta on VY-AADC01, of­fer­ing new da­ta that demon­strate a height­ened ef­fi­ca­cy for two high­er dos­es of the gene ther­a­py. Ex­ec­u­tives at Voy­ager tell me that they’re heart­ened to see a dose-de­pen­dent re­sponse in a key bio­mark­er on their ther­a­py’s im­pact, with im­prove­ments in hourly “on” times, a drop in “off” times and bet­ter qual­i­ty of liv­ing scores from the 15 pa­tients di­vid­ed in­to three ther­a­peu­tic co­horts.

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