** Shares of biotech firm IDEAYA Biosciences IDYA.O rise 2% to $31.50 premarket
** Co says it will test its experimental drug IDE849 with AstraZeneca’s AZN.L Imfinzi in patients with extensive-stage small cell lung cancer, an aggressive form of lung cancer that spreads quickly
** Co says IDEAYA will lead the early-stage trial, while AstraZeneca will supply Imfinzi, an already approved immunotherapy cancer drug
** IDYA says IDE849 is also being tested in other hard-to-treat cancers, including certain neuroendocrine tumors and melanoma, in a global early-stage study
** Adds the combination targets a major unmet need, but cautions IDE849 is still in early testing and may not succeed in later studies
** As of last close, stock down ~10% YTD
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))