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Genentech Tests Tocilizumab (Used for Cytokine Release Syndrome in Myeloma CAR T Therapy) in Phase III Trial for Severe COVID-19
Posted: Mar 23, 2020
Genentech Tests Tocilizumab (Used for Cytokine Release Syndrome in Myeloma CAR T Therapy) in Phase III Trial for Severe COVID-19 image

Genentech is working with the FDA to launch a Phase III study comparing tocilizumab (Actemra) vs. standard of care in hospitalized adult patients with severe COVID-19 pneumonia. The trial hopes to open in April 2020 and test 330 patients. The trial endpoints include clinical status, mortality, mechanical ventilation and ICU variables.

Tocilizumab is the first humanized interleukin-6 (IL-6) drug originally approved for rheumatoid arthritis and is now being tested in COVID-19 patients to reduce lung inflammation. The IV version is also approved for patients who have CAR T cell induced cytokine release syndrome (which includes many multiple myeloma patients.). High IL-6 levels can cause damaging inflammation and tocilizumab blocks the effects of IL-6.

According to Randy Cron, MD, PhD, an expert in cytokine release syndrome, some of the severely ill coronavirus patients have lab features of CRS, also sometimes called cytokine storm syndrome (CSS).

CSS is an overly exuberant immune response to a triggering event, frequently certain viral infections, including deadly strains of influenza virus. No one knows why some people — and not others — develop this response; but there are likely host risk factors, including genetic mutations in genes that contribute to a familial form of this disease.

Dr. Cron notes that we don’t know which treatments will help CRS associated with COVID-19.  Other approaches could include high-dose corticosteroids (familiar to many myeloma patients) and interleukins such as IL-1 and IL-6 (like tociliziumab).

Drug repurposing offers a quick and less expensive way of finding appropriate treatments for COVID-19, so let’s hope that attempts like this prove successful.

The author Jennifer Ahlstrom

about the author
Jennifer Ahlstrom

Myeloma survivor, patient advocate, wife, mom of 6. Believer that patients can contribute to cures by joining HealthTree Cure Hub and joining clinical research. Founder and CEO of HealthTree Foundation. 

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