A clinical trial has begun which will use stem cell transplants to grow a new immune system for people with untreatable Crohn's disease - a painful and chronic intestinal disease which affects at least 115,000 people in the UK.
The study, led by Queen Mary University of London and Barts Health NHS trust, is funded with £2m from a Medical Research Council and National Institute for Health Research partnership, and will be recruiting patients from centres in Cambridge, Edinburgh, Liverpool, London, Nottingham, Oxford and Sheffield. The trial is coordinated through the Clinical Trials Unit at the University of Sheffield.
Crohn's disease is a long-term condition that causes inflammation of the lining of the digestive system, and results in diarrhoea, abdominal pain, extreme tiredness and other symptoms that significantly affect quality of life.
Current treatments include drugs to reduce inflammation but these have varying results, and surgery is often needed to remove the affected part of the bowel. In extreme cases, after multiple operations over the years, patients may require a final operation to divert the bowel from the anus to an opening in the stomach, called a stoma, where stools are collected in a pouch.
Chief investigator Professor James Lindsay from Queen Mary University of London and a consultant at Barts Health NHS Trust said: "Despite the introduction of new drugs, there are still many patients who don't respond, or gradually lose response, to all available treatments. Although surgery with the formation of a stoma may be an option that allows patients to return to normal daily activities, it is not suitable in some and others may not want to consider this approach.
"We're hoping that by completely resetting the patient's immune system through a stem cell transplant, we might be able to radically alter the course of the disease. While it may not be a cure, it may allow some patients to finally respond to drugs which previously did not work."
Helen Bartlett, a Crohn's disease patient who had stem cell therapy at John Radcliffe Hospital, Oxford, said: "Living with Crohn's is a daily struggle. You go the toilet so often, you bleed a lot and it's incredibly tiring. You also always need to be careful about where you go. I've had to get off trains before because there's been no toilet, and I needed to go there and then.
"I've been in and out of hospital for the last twenty years, operation after operation, drug after drug, to try to beat this disease. It's frustrating, it's depressing and you just feel so low.
"When offered the stem cell transplant, it was a complete no brainer as I didn't want to go through yet more failed operations. I cannot describe how much better I feel since the treatment. I still have problems and I'm always going to have problems, but I'm not in that constant pain."
The use of stem cell transplants to wipe out and replace patients' immune systems has recently been found to be successful in treating multiple sclerosis. This new trial will investigate whether a similar treatment could reduce gut inflammation and offer hope to people with Crohn's disease.
In the trial, patients undergo chemotherapy and hormone treatment to mobilise their stem cells, which are then harvested from their blood. Further chemotherapy is then used to wipe out their faulty immune system. When the stem cells are re-introduced back into the body, they develop into new immune cells which give the patient a fresh immune system (see diagram in Notes to Editors).
In theory, the new immune system will then no longer react adversely to the patient's own gut to cause inflammation, and it will also not act on drug compounds to remove them from their gut before they have had a chance to work.
Professor Tom Walley, Director of the NIHR Evaluation, Trials and Studies programmes, which funded the trial, said: "Stem cell therapies are an important, active and growing area of research with great potential. There are early findings showing a role for stem cells in replacing damaged tissue. In Crohn's disease this approach could offer real benefits for the clinical care and long term health of patients."
The current clinical trial, called 'ASTIClite', is a follow up to the team's 2015 'ASTIC' trial, which investigated a similar stem cell therapy. Although the therapy in the original trial did not cure the disease, the team found that many patients did see benefit from the treatment, justifying a further clinical trial. There were also some serious side effects from the doses of drugs used, so this follow-up trial will be using a lower dose of the treatment to minimise risks due to toxicity.
Patients will be recruited to the trial through Barts Health NHS Trust, Cambridge University Hospitals NHS Foundation Trust, Guy's & St Thomas' NHS Foundation Trust, NHS Lothian, Nottingham University Hospitals NHS Trust, Oxford University Hospitals NHS Foundation Trust, Royal Liverpool and Broadgreen University Hospital NHS Trust and Sheffield Teaching Hospitals NHS Foundation Trust.
The trial will involve academics from the University of Manchester, University of Nottingham, University of Sheffield, Nottingham Trent University, University of Edinburgh, University of Oxford, King's College London, as well as Queen Mary University of London.
The study was funded by a Medical Research Council and NIHR partnership created to support the evaluation of interventions with potential to make a step-change in the promotion of health, treatment of disease and improvement of rehabilitation or long-term care.
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Notes to the editor
- A diagram of the stem cell transplant process can be found here: http://bit.
About Queen Mary University of London
Queen Mary University of London is one of the UK's leading universities with 25,332 students representing more than 160 nationalities.
A member of the Russell Group, we work across the humanities and social sciences, medicine and dentistry, and science and engineering, with inspirational teaching directly informed by our research. In the most recent national assessment of the quality of research, we were placed ninth in the UK amongst multi-faculty universities (Research Excellence Framework 2014).
As well as our main site at Mile End - which is home to one of the largest self-contained residential campuses in London - we have campuses at Whitechapel, Charterhouse Square, and West Smithfield dedicated to the study of medicine and dentistry, and a base for legal studies at Lincoln's Inn Fields.
Queen Mary began life as the People's Palace, a Victorian philanthropic project designed to bring culture, recreation and education to the people of the East End. We also have roots in Westfield College, one of the first colleges to provide higher education to women; St Bartholomew's Hospital, one of the first public hospitals in Europe; and The London, one of England's first medical schools.
Barts Health NHS Trust
With a turnover of £1.4 billion and a workforce of around 16,000, Barts Health is the largest NHS trust in the country, and one of Britain's leading healthcare providers. The Trust's five hospitals - St Bartholomew's Hospital in the City, including the Barts Heart Centre, The Royal London Hospital in Whitechapel, Newham University Hospital in Plaistow, Whipps Cross University Hospital in Leytonstone and Mile End - deliver high quality compassionate care to the 2.5 million people of East London and beyond.
NIHR and MRC
The study was funded by an MRC and NIHR partnership created to support the evaluation of interventions with potential to make a step-change in the promotion of health, treatment of disease and improvement of rehabilitation or long-term care.
- The National Institute for Health Research (NIHR): improving the health and wealth of the nation through research.
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- The Medical Research Council is at the forefront of scientific discovery to improve human health. Founded in 1913 to tackle tuberculosis, the MRC now invests taxpayers' money in some of the best medical research in the world across every area of health. Thirty-two MRC-funded researchers have won Nobel prizes in a wide range of disciplines, and MRC scientists have been behind such diverse discoveries as vitamins, the structure of DNA and the link between smoking and cancer, as well as achievements such as pioneering the use of randomised controlled trials, the invention of MRI scanning, and the development of a group of antibodies used in the making of some of the most successful drugs ever developed. Today, MRC-funded scientists tackle some of the greatest health problems facing humanity in the 21st century, from the rising tide of chronic diseases associated with ageing to the threats posed by rapidly mutating micro-organisms. The Medical Research Council is part of UK Research and Innovation. https:/
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Nottingham Trent University
Nottingham Trent University was named University of the Year 2017 at the Times Higher Education Awards and Modern University of the Year in the Times and Sunday Times Good University Guide 2018. The award recognises NTU for its strong student satisfaction, quality of teaching, overall student experience and engagement with employers. NTU has been awarded the highest, gold, rating in the Government's Teaching Excellence Framework for its outstanding teaching and learning. NTU is one of the largest UK universities with nearly 28,000 students and more than 3,500 staff across four campuses, contributing £496m to the UK economy every year. It is one of the most environmentally-friendly universities, containing some of the country's most inspiring and efficient award-winning buildings.
The University is passionate about creating opportunities and its extensive outreach programme is designed to enable Nottingham Trent to be a vehicle for social mobility. NTU is the sixth biggest recruiter of students from disadvantaged backgrounds in the country and 95.6% of its graduates go on to employment or further education within six months of leaving. NTU is home to world-class research, winning The Queen's Anniversary Prize in 2015 - the highest national honour for a UK university. It recognised the University's pioneering projects to improve weapons and explosives detection in luggage, enable safer production of powdered infant formula and combat food fraud. With an international student population of approximately 2,600 from around 100 countries, the University prides itself on its global outlook.
NIHR Nottingham Biomedical Research Centre
The NIHR Nottingham Biomedical Research Centre (BRC) is improving the health of millions of people with common diseases like asthma and arthritis. We drive innovation in experimental science and translate research into breakthrough treatments, innovative technologies and new medicines. Our world-leading research is in six areas including gastrointestinal and liver diseases?and Magnetic Resonance Imaging (MRI) which supports all areas of research.
The NIHR Nottingham BRC is a partnership between Nottingham University Hospitals NHS Trust and the University of Nottingham, supported by Nottinghamshire Healthcare NHS Foundation Trust and Sherwood Forest Hospitals NHS Trust. It is funded by the National Institute for Health Research (NIHR).
About The University of Manchester
The University of Manchester, a member of the prestigious Russell Group, is the UK's largest single-site university with more than 40,000 students - including more than 10,000 from overseas.It is consistently ranked among the world's elite for graduate employability.
The University is also one of the country's major research institutions, rated fifth in the UK in terms of 'research power' (REF 2014). World-class research is carried out across a diverse range of fields including cancer, advanced materials, global inequalities, energy and industrial biotechnology.
No fewer than 25 Nobel laureates have either worked or studied here.
It is the only UK university to have social responsibility among its core strategic objectives, with staff and students alike dedicated to making a positive difference in communities around the world.
Manchester is ranked 29th in the world in the QS World University Rankings 2018 and 6th in the UK.
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The University of Nottingham
The University of Nottingham is a research-intensive university with a proud heritage, consistently ranked among the?world's top 100. Studying at the University of Nottingham is a life-changing experience and we pride ourselves on unlocking the potential of our 44,000 students -- Nottingham was named?University of the Year for Graduate Employment?in the?2017?Times?and?Sunday Times Good University Guide, was awarded gold in the?TEF 2017?and features in the top 20 of all?three major UK rankings. We have a pioneering spirit, expressed in the vision of our founder Sir Jesse Boot, which has seen us lead the way in establishing campuses in China and Malaysia -- part of a globally connected network of education, research and industrial engagement. We are ranked eighth for research power in the UK according to?REF 2014. We have?six beacons of research excellence helping to transform lives and change the world; we are also a major employer and industry partner -- locally and globally.