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Paper in Scientific Reports Highlights Ability of 4D Pharma’s MRx0004 to Protect Against Airway Inflammation in Severe Asthma

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  • Data suggest that MRx0004 is a promising next-generation therapeutic for management of asthma

LEEDS, United Kingdom, Aug. 14, 2018 (GLOBE NEWSWIRE) -- 4D pharma plc (AIM: DDDD), a pharmaceutical company leading the development of live biotherapeutics, today announces the publication of a paper demonstrating that MRx0004, a live biotherapeutic derived from the human gut microbiome, can protect against airway inflammation by reducing both neutrophilic and eosinophilic infiltration in a mouse model of severe asthma.

The paper “Bifidobacterium breve MRx0004 protects against airway inflammation in a severe asthma model by suppressing both neutrophil and eosinophil lung infiltration” (Raftis et al.) is published in the Nature Publishing Group journal Scientific Reports .

Asthma is a phenotypically heterogeneous disease.  Between 5-10 % of asthma patients have a severe form of the disease which is refractory to steroid treatment and whose symptoms cannot be controlled despite the application of high-intensity treatments.  In severe asthma, airway inflammation can be predominantly eosinophilic, neutrophilic, or mixed and patients presenting with neutrophilic inflammation have particularly poor treatment options.  Severe asthma is estimated to account for more than 60% of asthma-associated healthcare costs.

MRx0004 is a strain of Bifidobacterium breve isolated from the gut microbiome of a healthy human.  It was tested prophylactically and therapeutically in a house dust mite mouse model of severe asthma.  A strong reduction of neutrophil and eosinophil infiltration was observed in lung bronchoalveolar lavage fluid (BALF) following MRx0004 treatment.  Furthermore, MRx0004 had a striking effect on lung histopathology, with a strong reduction of both peribronchiolar and perivascular inflammatory infiltrate. The efficacy of MRx0004 exceeded that of the anti-IL-17 positive control used in the experiment.

4D pharma Chief Scientific Officer, Alex Stevenson, commented, “These data provide further evidence that live biotherapeutics have the potential to change the way we treat disease.  Using MRx0004, we have demonstrated superior efficacy to biologics in a severe and steroid-resistant model of asthma.”

He added, “Perhaps more significantly, we have shown that MRx0004 can strongly reduce neutrophil and eosinophil airway infiltration concurrently.  This is something which is not achievable with current therapies and is further evidence of the potential of MRx0004 as a next-generation therapeutic for the management of asthma.”

For further information please contact:

4D + 44 (0)113 895 0130
Duncan Peyton, Chief Executive Officer  
   
Zeus Capital Limited - Nomad and Joint Broker  
Dan Bate / Jordan Warburton +44 (0) 161 831 1512
   
Bryan Garnier & Co. Limited - Joint Broker +44 (0)20 7332 2500
Dominic Wilson
Phil Walker
 

About 4D
Founded in February 2014, 4D is a world leader in the development of live biotherapeutics, a novel and emerging class of drugs, defined by the FDA as biological products that contain a live organism, such as a bacteria, that is applicable to the prevention, treatment or cure of a disease.  4D has developed a proprietary platform that rationally identifies novel bacteria that have a precise and evolved therapeutic effect.  All of 4D's live biotherapeutic products are orally delivered single strains of bacteria that are naturally found in the healthy human gut.  4D has completed a phase I study in Irritable Bowel Syndrome and has completed dosing in a phase I study in Paediatric Crohn's Disease.  It currently has a pipeline of 13 pre-clinical programmes, covering disease areas such as cancer, poorly controlled asthma, autoimmune and CNS disease, and plans to commence four additional clinical studies in 2018. For more information, refer to https://www.4dpharmaplc.com/.

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