A consortium of Birmingham researchers, clinicians and industry partners has received a second £1.1 million award from the National Institute for Health and Care Research (NIHR) for a three-year study supporting the further development of a device that could revolutionise the clinical management of anal fistula.
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Treatment of rectal diseases
In this condition, sufferers experience daily discomfort and smelly discharge from a tunnel between the bowel and skin around the anus. It affects mostly young people and has a significant impact on employment and family life due to chronic infection and pain.
Over 12,000 people a year are diagnosed in the UK, and it is notoriously difficult to treat. The clinical challenge is to allow the fistula tract to drain and heal at the same time and preserve continence. Current treatment pathways require multiple operations under general anaesthetic, over a prolonged timeframe and usually lead to hygiene difficulties, which can be permanent.
The consortium, which comprises experts from University Hospitals Birmingham NHS Trust, the University of Birmingham, and industry partners Neotherix and Keighleycolo has developed a novel device (known currently as the “Seton-Scaffold Device”), which is less invasive and more effective than existing treatments. The device combines a bioresorbable scaffold to heal the fistula and a thin comfortable seton to achieve drainage.
The device is made from a material that encourages the body’s cells to migrate, settle into and populate the scaffold.
This is the first step in a process that should eventually lead to the complete healing of the fistula, and the scaffold material and seton thread are slowly resorbed over several weeks. The device can be delivered to the awake patient so making it a safer, and cheaper, alternative than the current treatment paradigm.
This Product Development Award from NIHR invention for innovation (i4i) programme will enable the consortium to finalise product design, manufacture sterile devices and conduct a pivotal clinical study across 10 hospitals in the UK to demonstrate the clinical safety and healing endpoints of the device in over 100 patients with anal fistula, including those with Crohn’s disease.
This is the second NIHR award for the consortium. Work funded by the previous award included education, training and usability sessions and a 20 patient study that showed the device is safe to use, and has good patient and clinician acceptance.
The consortium is now exploring commercialisation opportunities and the most effective route to market for this innovative, affordable device. Interested parties should contact University of Birmingham Enterprise.
Chief investigator Professor Tom Pinkney from the University’s Institute of Applied Health Research said: “I am delighted that the NIHR continues to support the development of this much-needed innovation. Our data from a small first-in-man study demonstrated this device could be more effective than anything else on the market and make a real difference to patients’ lives.”
Neotherix CEO Dr Mike Raxworthy said: “This project will generate data critical to demonstrating the safety and clinical value of the Seton-Scaffold Device and will allow us to move forward with commercial partners. It is an excellent illustration of the value of a strong academic-clinical-industry collaboration working together to solve unmet medical needs.”
Professor Mike Keighley of Keighleycolo, and author of the definitive colorectal textbook added: “I believe this will deliver affordable and effective therapy without morbidity and the need for hospital admission worldwide.”
