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‘Remarkable’ medical discovery for sepsis moves to next phase of human trials

The Florey 4 mins read

Scientists at The Florey have proven that a formulation they pioneered alleviates deadly sepsis, with the next phase of clinical trials to start rolling out across Australia next month 

Promising results from an initial clinical trial at the Austin Hospital in Melbourne, published today in Critical Care, show that sodium ascorbate – a pH-balanced formulation of vitamin C  is effective in treating sepsis. 

Lead investigator Associate Professor Yugeesh Lankadeva said sepsis is notoriously difficult to treat and is often deadly. 

Sepsis accounts for 3550 per cent of all hospital deaths. It occurs when the immune system fails to fight off an underlying infection, causing life-threatening falls in blood pressure, multiple organ failure, and death,” Associate Professor Lankadeva said. 

In our trial at Austin Hospital, patients were given sodium ascorbate into their bloodstream, resulting in promising improvements to multiple organs. 

Associate Professor Lankadeva, who is research lead of The Florey’s Systems Neuroscience Theme, said the next phase of the $4.9 million government-funded research project will be offered in intensive care units in Adelaide, Melbourne, Perth, Brisbane, Alice Springs and Sydney. 

We’ll recruit 300 adult septic patients to receive either our formulation or a placebo as well as normal hospital care. The results will help us gather data to determine the effectiveness of our formulation,” Associate Professor Lankadeva said.  

Austin Hospital’s Director of Intensive Care Research, Professor Rinaldo Bellomo, said the previous part of the trial in his department involved 30 adult sepsis patients between October 2020 and November 2022. 

While receiving hospital intensive care, half the patients were randomly allocated to receive sodium ascorbate, and the other half a placebo. 

The study found that patients with sepsis who received the sodium ascorbate treatment: 

  • produced more urine, a sign of improved kidney function 

  • required less of the clinically used drug, noradrenaline, to restore blood pressure 

  • showed signs of improved function in multiple organs. 

Sepsis is the biggest killer in intensive care units in Australia and worldwide,” Professor Bellomo said. It often develops so quickly that patients are already critically ill by the time they reach us. A treatment that acts quickly, is safe and highly effective would be an absolute game-changer.” 

Senior Florey researcher on the project, Professor Clive May has spent more than 20 years investigating how sepsis causes organ failure, particularly in the brain and kidneys. 

Through our showing reduced levels of oxygen in tissues in sepsis, we identified sodium ascorbate as a possible treatment. 

We’ve seen dramatic results in our work with preclinical studies, where an extremely high dose of sodium ascorbate resulted in full recovery within just three hours, with no side effects. It’s heartening to see all those years of painstaking research pay off with a treatment now within reach for patients,” Professor Clive May said. 

Surviving sepsis: A patient’s perspective  

Long-term Florey staff member Brett Purcell is a consumer representative on the MEGASCORES research program, providing the invaluable perspective of a sepsis survivor. 

"I was rushed to hospital by ambulance in 2011 with a high temperature and delirium. I had the early stages of sepsis. My condition slowly deteriorated and after 12 days I was transferred to a bigger hospital. By then I was in septic shock with a severely infected heart. 

“Six months earlier I had a successful aortic valve replacement; unfortunately the valve had become infected. 

“The surgical team repaired the damage in a six-hour operation. But my condition worsened to critical. My family was told I only had an hour to live as my blood oxygenation levels were not conducive to life. What saved me was the excellent decision making by the surgical team and the ICU intensivists. I was placed on life support on an ECMO machine and given dialysis and my condition rapidly improved. 

“I returned home after almost eight weeks in hospital. 

“I’m so lucky to be alive, and I’m hoping that this new research with sodium ascorbate will provide hospitals with a new life-saving tool, one that’s less invasive, quick and highly effective in fighting sepsis." 


Key Facts:

Scientists at The Florey have proven that a formulation they pioneered alleviates deadly sepsis, with the next phase of clinical trials to start rolling out across Australia 


About us:

Notes to editor:  

  1. - Sodium ascorbate is derived from vitamin C with the treatment delivered to the patients bloodstream. Oral vitamins will not alleviate sepsis. 

  1. - Yugeesh Lankadeva, Clive May and Rinaldo Bellomo hold a patent for the use of mega dose sodium ascorbate in the treatment of sepsis.  

  1. - Written informed consent for enrolment or consent to continue and use patient data was obtained from all patients or the legally responsible person. 

  1. - Patients for MEGASCORES (Megadose ascorbate for Sepsis) clinical trials will be recruited from: Royal Adelaide Hospital (SA), Monash Health (VIC), Austin Health (VIC), Sir Charles Gairdner Hospital (WA), Royal Melbourne Hospital (VIC), Royal Brisbane and Women’s Hospital (QLD), Alice Springs Hospital (NT) and St George Public Hospital (NSW).

 

The Florey is Australia’s leading brain research institute with a focus on improving the lives of people with neurological and psychiatric conditions. The Florey’s research missions are centred around dementia, epilepsy, mental health and developing ways to protect and repair the brain. These missions are strengthened by The Florey’s expertise in neurotherapeutics, neuroimaging, synaptic biology and systems neuroscience. With 600 researchers, The Florey is the largest research centre of its kind in the southern hemisphere. 

 

Find out more about us on our website: www.florey.edu.au 


Contact details:

Media contact: 

Kath Powley, Media and Communications Manager 

kathryn.powley@florey.edu.au | +61 (0) 456 666 271

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