Subcutaneous tarlatamab shows favorable safety profile and antitumor activity in extensive-stage small cell lung cancer

Subcutaneous administration of tarlatamab was well tolerated and demonstrated preliminary antitumor activity in patients with previously treated extensive-stage small cell lung cancer (ES-SCLC), according to findings from the phase 1b DeLLphi-308 study presented at the International Association for the Study of Lung Cancer (IASLC) 2026 World Conference on Lung Cancer (WCLC).

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