Pharmaceutical Spanish drugmaker PharmaMar has announced that health authorities in Canada, Qatar and South Korea have approved Zepzelca (lurbinectedin) in combination with atezolizumab (Roche’s Tecentriq) for the maintenance treatment for adult patients with extensive-stage small cell lung cancer (ES-SCLC) whose disease has not progressed following first-line induction therapy with atezolizumab, carboplatin and etoposide. 25 August 2026