Cancer Research Institute and RevImmune Announce Dosing of First Patient in New Phase 2 Study Assessing Therapeutic Benefit of Interleukin-7 in Patients with Cancer and COVID-19

• First study to test RevImmune’s IL-7 drug candidate in cancer patients infected with the SARS-CoV-2 coronavirus at increased risk of progressing to severe stages of COVID-19
• IL-7 has been shown to restore diversity and functionality of immune cell populations in patients who have become immunocompromised due to viral infection or cancer treatment
• Since the emergence of COVID-19 one year ago, a growing understanding of the important role of the immune system’s cellular response, including T cell fitness, in patients with COVID-19 has shifted treatment focus away from solely using immunosuppressive drugs to addressing the insufficient immune response

NEW YORK and BETHESDA, Maryland, March 30, 2021 — The Cancer Research Institute (CRI), a nonprofit organization dedicated to the discovery and development of powerful immunotherapies for all cancers and RevImmune, Inc., a privately held biotech company focused on T-cell technology and development, announced today the dosing of the first patient in a new study designed to assess the therapeutic benefit of interleukin-7 (IL-7) in cancer patients with COVID-19. This stems from a new understanding that patients with severe COVID-19 have low levels of T cells and exhausted T cells, and these patients benefit from therapies that focus on augmenting the cellular immune response, rather than solely therapies that dampen the immune system.

The Phase 2 multi-center clinical trial called “ILIAD-7-US-O” will evaluate the clinical benefit of RevImmune’s product candidate CYT107 in approximately 48 patients living with cancer. CYT107 is a therapeutic form of the master growth factor for human T cells, IL-7, and this is the first study to test an IL-7 drug specifically in people with cancer who also have COVID-19. The clinical trial is funded by CRI’s Clinical Accelerator, a program that supports and coordinates early-phase clinical trials of promising immuno-oncology combination therapies.

“This partnership allows CRI to apply RevImmune’s promising IL-7 agent in a novel setting of patients with both cancer and COVID-19, potentially offering a way to strengthen the immune system’s ability to fend off the SARS-CoV-2 coronavirus, mitigate symptoms of COVID-19, and improve overall outcomes for people living with cancer and COVID,” said Jay Campbell, managing director of CRI’s Venture Fund and Anna-Maria Kellen Clinical Accelerator.

Common cancer treatment regimens can compromise a patient’s immune system, including reductions in lymphocyte counts, such as T cells, a condition known as lymphopenia. Similarly, COVID-19 can lead to dysregulation of the adaptive immune system, which can also result in patients becoming lymphopenic. The profound and protracted lymphopenia experienced in COVID-19 patients has been correlated with increased secondary infections and death. Furthermore, surviving lymphocytes have severely impaired anti-viral function and are exhausted, ultimately resulting in immune system collapse.

IL-7 has been shown to provide a rapid and durable restoration of functional immune cells, predominantly CD4+ and CD8+ T cells, which are able to fight the primary viral infection and secondary infections. In previous clinical studies, CYT107 has demonstrated the ability to quickly restore immune function, such as increasing the number and diversity of T cells in patients, including those with low and exhausted T cell levels. CYT107 has been shown to be safe and well-tolerated and patients experienced durable long-lasting responses.

Researchers involved in the ILIAD-7 study hope CYT107 will provide the same benefit to cancer patients with COVID-19, with the aim of reducing risk of progressing to severe stages of COVID-19.

“The medical community has learned a great deal about COVID-19 as a disease this past year and has come to realize that patients who develop severe COVID-19 symptoms have impaired immune systems, including exhausted and depleted T-cells,” said Michel Morre, D.V.M., M.Sc., chief scientific officer at RevImmune. “Therapies like IL-7 reinvigorate and expand the cellular immune response to the infection, and we are excited for the opportunity to continue to follow the science and evaluate a potential treatment option for those affected by both COVID-19 and cancer.” 

Fonte: Cancer Research

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