FDA Fast Track for eFFECTOR’s Zotatifin

FDA has granted fast-track designation to eFFECTOR Therapeutics for its zotatifin in combination with fulvestrant and abemaciclib (ZFA triplet) to treat ER+/HER2- advanced metastatic breast cancer. The company says the designation covers the use of ZFA triplet for second- or third-line treatment of adult patients with disease progression following treatment with endocrine therapy and a CDK 4/6 inhibitor.

Zotatifin is described as a “potent and sequence-selective small molecule inhibitor of the RNA helicase eIF4A that is designed to suppress the expression of a network of cancer-driving proteins, including Cyclins D and E, CDKs 2, 4, and 6 and select RTKs as well as KRAS.” It is currently being evaluated in an ongoing clinical trial in patients with ER+/HER2- metastatic breast cancer.

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