AstraZeneca Plc is discussing a partnership deal with Summit Therapeutics Inc. in which it could pay as much as $15 billion over time to license a lung-cancer drug, according to people familiar with the matter.

Summit Therapeutics and AstraZeneca are discussing a partnership deal worth as much as $15 billion, Bloomberg News reported on Thursday, citing people familiar with the matter.

UK pharma major AstraZeneca is in talks with Summit Therapeutics to license an experimental lung-cancer drug under a deal worth as much as $15 billion, Bloomberg News reported on Thursday, citing people familiar with the matter.