Sepsis Clinical Trial
Official title:
Cellular Immunotherapy for Septic Shock (CISS2) A Phase II Randomized Controlled Trial
Septic shock is associated with substantial burden in terms of both mortality and morbidity for survivors of this illness. Pre-clinical sepsis studies suggest that mesenchymal stem (stromal) cells may modulate inflammation, enhance pathogen clearance and tissue repair and reduce death. Our team has completed a Phase I dose escalation and safety clinical trial that evaluated mesenchymal stem cells (MSCs) in patients with septic shock. The Cellular Immunotherapy for Septic Shock (CISS) trial established that MSCs appear safe and that a randomized controlled trial (RCT) is feasible. Based on these data, the investigators have planned a phase II RCT (CISS2) at several Canadian academic centres which will evaluate safety, signals for clinical efficacy, and continue to examine potential mechanisms of action and biological effects of MSCs in septic shock.
Septic shock is a devastating illness and the most severe form of infection seen in the
intensive care unit (ICU). It is characterized by cardiovascular collapse, failure of organs
and is common with severe repercussions including a mortality of 20-40%. Survivors suffer
long-term impairment in function and reduced quality of life (QOL). Despite decades of
research examining different immune therapies, none has proven successful and supportive care
remains the mainstay of therapy, at a cost of approximately 4-billion dollars in Canada
annually. MSCs represent a potentially novel treatment for sepsis because in animal models,
MSCs have been shown to modulate the immune system, increase pathogen clearance, restore
organ function, and reduce death.
The Phase II multi-centre Cellular Immunotherapy for Septic Shock RCT (CISS2) will continue
to evaluate safety, assess if there are signals for clinical efficacy and determine
mechanisms of action and biological effects of MSCs in septic shock. To answer these aims,
CISS2 will randomize 114 patients who are admitted to the ICU with septic shock to 300
million cryopreserved, allogeneic, bone marrow derived MSCs or placebo across 10 Canadian
centres over approximately 2 years.
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