FDA Rejects Genentech’s Bid to Expand Columvi Use

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FDA has rejected Genentech’s move to broaden the use of its lymphoma drug Columvi (glofitamab-gxbm). The agency issued the company a complete response letter rejecting its supplemental BLA to expand Columvi’s use in combination with chemotherapy for patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) who are not candidates for stem cell transplant.

In the letter, FDA concluded that the data from the STARGLO Phase 3 trial, which evaluated Columvi in combination with gemcitabine and oxaliplatin (GemOx), did not provide sufficient evidence to support approval for this earlier treatment setting, according to the company. It says the STARGLO trial showed a 41% reduction in the risk of death compared to a standard treatment arm, results that were recently published in The Lancet. The trial was also intended to serve as a confirmatory study to convert Columvi’s existing accelerated approval in third-line or later DLBCL into full approval.

Genentech says Columvi will remain available under its current accelerated approval for patients who have received two or more prior treatments for DLBCL. It says it is continuing discussions with FDA and is now looking to its ongoing SKYGLO Phase 3 study, which is evaluating Columvi in combination with Polivy, Rituxan, and standard chemotherapy in untreated DLBCL, as a potential new confirmatory trial to fulfill postmarketing requirements.

The company describes Columvi as a bispecific antibody designed to engage T-cells to target malignant B-cells in patients with blood cancers. DLBCL is the most common type of non-Hodgkin’s lymphoma worldwide, with up to 40% of patients relapsing after initial treatment, it adds.

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