Replimune Receives Breakthrough Therapy Designation for RP1 and Submits RP1 Biologics License Application to the FDA under the Accelerated Approval Pathway

On November 21, 2024 Replimune Group, Inc. (NASDAQ: REPL), a clinical stage biotechnology company pioneering the development of novel oncolytic immunotherapies, reported that it has submitted a biologics license application (BLA) to the FDA for RP1 (vusolimogene oderparepvec) in combination with nivolumab for the treatment of adult patients with advanced melanoma who have previously received an anti-PD1 containing regimen (Press release, Replimune, NOV 21, 2024, View Source [SID1234648547]). The submission was made under the Accelerated Approval pathway. The Company also announced that the FDA has granted Breakthrough Therapy designation to RP1 in combination with nivolumab in the same setting.

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Breakthrough Therapy designation is intended to expedite the development and review of therapies for serious diseases when preliminary clinical evidence indicates that the therapy may provide substantial improvement over existing available therapies on one or more clinically significant endpoints. This Breakthrough Therapy designation is based on the safety and clinical activity observed in the anti-PD1 failed melanoma cohort of the IGNYTE clinical trial.

"Today is an important milestone for Replimune and for the melanoma community as we are one step closer to having another potential treatment available for patients who have limited options after progressing on anti-PD1 containing regimens," said Sushil Patel, Ph.D., CEO of Replimune.

The confirmatory Phase 3 IGNYTE-3 trial of RP1 in combination with nivolumab in advanced melanoma patients who have progressed on anti-PD1 and anti-CTLA-4 therapy, or who are not candidates for anti-CTLA-4 treatment is currently enrolling patients. For more information, visit View Source

About RP1
RP1 (vusolimogene oderparepvec) is Replimune’s lead product candidate and is based on a proprietary strain of herpes simplex virus engineered and genetically armed with a fusogenic protein (GALV-GP R-) and GM-CSF, intended to maximize tumor killing potency, the immunogenicity of tumor cell death, and the activation of a systemic anti-tumor immune response.