Synairgen plc - First Patient Dosing in Phase III SG018 Trial
('Synairgen' or the 'Company')
Synairgen announces commencement of dosing in its international Phase III study of inhaled interferon beta in hospitalised COVID-19 patients
As previously announced, Synairgen has appointed Parexel Biotech, a division of the leading global clinical research organisation, Parexel, to help conduct the Phase III trial and several
Synairgen's SG018 trial is a randomised placebo-controlled study being conducted in approximately 20 countries enrolling a total of 610 COVID-19 patients who require supplemental oxygen. After reporting the results for the primary and key secondary endpoints of the study, enrolled patients will continue to be assessed for long-COVID-19 symptoms.
Synairgen is also running an ongoing Phase II trial of inhaled interferon beta in non-hospitalised 'at risk' patients, (SG016), that is progressing rapidly. For more information and to take part, visit www.covidtrialathome.com.
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Notes for Editors
Synairgen is a clinical-stage respiratory drug discovery and development company founded by University of Southampton Professors Sir Stephen Holgate,
Synairgen's differentiating human biology BioBank platform and world-renowned international academic KOL network has broader applicability for lung viral defence in other respiratory disorders including asthma and COPD. Synairgen is quoted on AIM (LSE: SNG). For more information about Synairgen, please see www.synairgen.com
SNG001 (inhaled Interferon beta) applicability to COVID-19
Interferon beta ('IFN-beta') is a naturally-occurring protein, which orchestrates the body's antiviral responses. It is used widely in the treatment of multiple sclerosis and is a safe and well tolerated drug. There is growing evidence that deficiency in IFN-beta production by the lung could explain the enhanced susceptibility in 'at-risk' patient groups to developing severe lower respiratory tract (lung) disease during respiratory viral infections. Furthermore, viruses, including coronaviruses such as SARS-CoV-2, have evolved mechanisms which suppress endogenous IFN-beta production, helping the virus to evade the innate immune system. The addition of exogenous IFN-beta before or during viral infection of lung cells in vitro either prevents or greatly reduces viral replication, potentially reducing the severity of infection and accelerating recovery. Synairgen's SNG001 is a formulation of IFN-beta-1a for direct delivery to the lungs via nebulisation. It is pH neutral, and is free of mannitol, arginine and human serum albumin, making it suitable for inhaled delivery direct to the site of action. Phase I and II trial data have shown that SNG001 activates lung antiviral defences as measured in sputum cells, and that SNG001 has been well tolerated in approximately 280 asthma/COPD/COVID-19 patients to-date.
The results were published in The Lancet Respiratory Medicine: "Safety and efficacy of inhaled nebulised interferon beta-1a (SNG001) for treatment of SARS-CoV-2 infection: a randomised, double-blind, placebo-controlled, phase 2 trial". Monk, P D PhD, et al.,
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