BridgeBio Pharma Inc. jumped in premarket trading after its drug got US regulators’ nod to treat a deadly form of heart disease, paving the way for head-to-head competition with medications from Pfizer Inc.

(In Nov. 22 story, corrects list price of Pfizer's drug to about $268,000 from $225,000 in paragraph 3) (Reuters) -The U.S. Food and Drug Administration has approved BridgeBio's drug for a rare and deadly heart condition,

BridgeBio shares climbed by nearly 25% Monday on news its drug for a cardiac form of transthyretin amyloidosis was approved with a broad label that looks competitive to Pfizer's tafamidis.