
Shares of drug developer Prelude Therapeutics PRLD.O rise 6.85% to $2.13 premarket
Company says U.S. FDA has cleared human testing of its experimental drug, PRT12396, for polycythemia vera and myelofibrosis — blood cancers where the body makes too many abnormal blood cells
PRLD says the early-stage study will assess safety and initial signs of benefit in patients with high-risk disease
PRT12396 is designed to target a genetic mutation common in both conditions - PRLD
Company expects to begin enrolling patients by Q2 2026 and says it has an exclusive option deal on the program with Incyte INCY.O
Shares more than doubled in 2025