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FDA Accepts ImmunityBio’s BLA Resubmission as Complete and Sets New PDUFA Date

ImmunityBio, Inc. announced that the U.S. Food and Drug Administration (FDA) has accepted for review ImmunityBio’s resubmission of its Biologics License Application (BLA) for N-803, a first-in-class IL-15 superagonist, plus Bacillus Calmette-Guérin (BCG) for the treatment of BCG-unresponsive non-muscle-invasive bladder cancer carcinoma in situ (CIS) with or without Ta or T1 disease, and considered it as a complete response to the FDA’s May 9, 2023 complete response letter. The FDA has set a user fee goal date (PDUFA date) of April 23, 2024.

“We are pleased that the FDA has accepted ImmunityBio’s resubmission of the BLA as a complete response, following our productive interactions leading up to the resubmission. We look forward to working closely with the Agency to finalize the review and to bringing this important immune-enhancing therapeutic to patients suffering from bladder cancer,” said Patrick Soon-Shiong, M.D., Executive Chairman and Global Chief Scientific and Medical Officer at ImmunityBio.

ImmunityBio’s IL-15 superagonist N-803 (also called Anktiva and nogapendekin alfa inbakicept)

The cytokine interleukin-15 (IL-15) plays a crucial role in the immune system by affecting the development, maintenance, and function of the natural killer (NK) and T cells. N-803 is a novel investigational IL-15 superagonist complex consisting of an IL-15 mutant (IL-15N72D) bound to an IL-15 receptor α/IgG1 Fc fusion protein. Its proposed mechanism of action is direct specific stimulation of CD8+ T cells and NK cells through beta gamma T-cell receptor binding with generation of memory T-cells while avoiding T-reg stimulation. N-803 is designed to have improved pharmacokinetic properties, longer persistence in lymphoid tissues and enhanced anti-tumor activity compared to native, non-complexed IL-15 in vivo.

N-803 is currently being evaluated in adult patients in two clinical NMIBC trials. QUILT-2.005 is investigating use of N-803 in combination with BCG for patients with BCG-naïve NMIBC; QUILT-3.032 is studying N-803 in combination with BCG in patients with BCG-unresponsive NMIBC CIS and Papillary Disease.

N-803 is investigational. Safety and efficacy have not been established by any Health Authority or Agency, including the FDA.

The post FDA Accepts ImmunityBio’s BLA Resubmission as Complete and Sets New PDUFA Date appeared first on Pharma Journalist.

 

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