Orphan Status for Immune Design’s Sarcoma Therapy

FDA has granted Immune Design an orphan drug designation for LV305 and G305 for treating soft tissue sarcoma. The drugs are described by the company as complementary agents that comprise CMB305, its “prime boost” cancer immunotherapy product candidate. LV305 is a hybrid vector that is designed to “target dendritic cells (DCs) in vivo and delivers the RNA for NY-ESO-1, enabling the DCs to express the entire tumor antigen,” according to Immune Design. G305, in contrast, is designed to boost the response by inducing antigen-specific CD4 helper T cells. CMB305 is currently being evaluated in a Phase 1B trial in patients with locally advanced, relapsed or metastatic solid cancers. It is also undergoing a randomized Phase 2 trial combined with Genentech's investigational cancer immunotherapy, atezolizumab in patients with soft tissue sarcoma.

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