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Welcome to Replimune

Oncolytic immunotherapy is an emerging class of cancer therapeutics which exploit the ability of viruses to selectively replicate in and kill tumor tissue, while at the same time inducing a potent, patient-specific, anti-tumor immune response.  Oncolytic viruses have the unique ability to generate an autologous immune response to the patient’s particular complement of tumor antigens, including neoantigens, with a truly off-the-shelf approach.

While clear single agent clinical activity has been achieved with oncolytic immunotherapy, it is anticipated that particular synergy may be observed in combination with immune checkpoint blockade and other immune-modulatory approaches. Immune checkpoint blockade relies on a pre-existing inflamed tumor microenvironment and a pre-existing immune response to tumor neoantigens for clinical activity, which are only present in some patients. Oncolytic immunotherapy can provide both of these and therefore combination of these two proven modalities is particularly logical and attractive.

Replimune is developing novel, proprietary oncolytic immunotherapies intended to improve both the direct anti-tumor effects of selective virus replication and the potency of the immune response to the tumor antigens released. Replimune intends to progress these rapidly through clinical trials and to combine these with checkpoint blockade at an early stage of clinical development.