Lung cancer
Jazz Pharmaceuticals contends that its alkylating agent Zepzelca significantly improved both overall survival and progression-free survival in patients with extensive-stage small cell lung cancer, when used as a front-line maintenance therapy with Roche’s Tecentriq.
Since its inception in 1992, the FDA’s accelerated approval pathway has helped shepherd nearly 300 new drugs to the market. However, recent years have seen a number of high-profile market withdrawals and failed confirmatory trials.
As companies roll out data showing the power and improved safety profile of antibodies that target two antigens, analysts say the class could overtake monoclonal antibody Keytruda as the “immunotherapy backbone” of solid tumor treatment.
After several high-profile failures, including BMS’ $1.5B breakup with Agenus, anti-TIGIT therapies are generating cautious optimism.
Opdivo’s approval for patients with resectable non-small cell lung cancer comes as the regulator recently raised concerns of overtreatment with this type of therapeutic regimen with platinum-doublet chemotherapy.
One upcoming decision—on a perioperative PD-1 regimen for lung cancer—comes as the FDA considers an overhaul of trial designs in this treatment setting.
Summit Therapeutics’ ivonescimab has the potential to challenge Merck’s blockbuster checkpoint inhibitor in non-small cell lung cancer, but experts stress the need for diverse and overall survival data.
Despite meeting the primary endpoint in a Phase III study, two patients treated with Merck and Daiichi Sankyo’s experimental antibody-drug conjugate died in a Phase III non-small cell lung cancer study, though the deaths have not been linked to patritumab deruxtecan.
High response rates reported by GSK and iTeos at the 2024 European Society for Medical Oncology Congress offer a ray of light for anti-TIGIT therapies after a string of failures.
Despite the disappointing late-stage results in non-small cell lung cancer, Jefferies analyst Stephen Barker contends the likelihood of FDA approval “remains high” for the experimental antibody-drug conjugate, though the regulator is now more likely to convene an advisory committee.
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