Dailymail31 Mar 2020 08:19
Interferon beta-1b/SNG001
What are the brand versions of the drug?
The drug is still in development and goes by the name of SNG001.
What does it treat?
Interferon beta-1b (IFN-beta) is a naturally occurring protein that orchestrates the body's anti-viral responses.
SNG001 is a formulation of IFN-beta developed by Synairgen to prevent severe lower respiratory tract illness caused by cold and flu infections.
A different formulation using the protein is used to treat patients with multiple sclerosis (MS).
The drug called Extavia is self-injected every two days and works by slowing down the damage to the nervous system and by reducing the number of relapses.
Where has it already been tested?
Synairgen is a UK-based company, and it appears their formulation hasn't crossed overseas yet.
But it does say has been approached by, and is in discussion with, a number of scientific and governmental bodies in the US and internationally since the COVID-19 outbreak began.
What have studies shown?
Laboratory studies have shown IFN-beta can protect cells from infection by a range of respiratory viruses.
These include the MERS and SARS coronavirus strains, leaving scientists expecting IFN-beta to also protect against the COVID-19 strain.
It has already been shown to improve the recovery of asthma and COPD (chronic obstructive pulmonary disease) patients who have other lung infections, such as flu.
Richard Marsden, CEO of Synairgen, said: 'SNG001 has been well tolerated in clinical trials in over 200 respiratory patients to date and has accelerated lung function recovery in two Phase II asthma trials in patients with a cold or flu infection.'
How does it work?
SNG001 is inhaled with a nebuliser, which helps deliver drugs to the lungs.
Scientists believe it will prevent the coronavirus from taking over lung cells to replicate. This would prevent patients deteriorating until the point they need ventilation to survive.
Viruses, including coronaviruses, can evolve the ability to suppresses IFN-beta production in the body, thereby helping the virus evade.
Is it being tested in the UK?
Southampton researchers are conducting a Phase II SNG001 trial on COVID-19 patients to see if it could prevent worsening symptoms in those most at risk.
The trial, led by Professor Tom Wilkinson at University Hospital Southampton, will involve 100 patients at Southampton and up to ten other NHS hospitals.
Those patients will receive the best current COVID19 care, whilst inhaling either a placebo or SNG001 for 14 days.
What are its side effects?
Doctors are currently clueless. Side effects will be reported with the findings of the clinic trial.
Other forms of interferon beta can cause headaches, vaginal bleeding and diminish libido.
What do the experts think?
Tom Wilkinson told Sky News: 'We are hoping that the drug will increase the rate of recovery from infection, that it will i
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