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The Edinburgh Herald
Friday, 13th April 2007
New hope for Parkinson's treatment
By Cameron MacDonald
A Scottish company is ready to use umbilical cord blood to treat patients
with Parkinson's disease
Scotland-based Lifebank Therapeutics plc wants to test nerve cells obtained
from umbilical cord blood on Parkinson's disease patients.
The company has filed an application to begin initial clinical studies in
the United Kingdom. If approved by the regulatory authorities, this will be
the first ever clinical study of its kind in the world, and, if successful,
opens the door to cord blood-based stem cell therapies being available to
patients in just five years.
In the clinical trial, cells will be transplanted directly into the damaged
region of the brain of a small group of patients, who do not respond to
existing treatments. The study will assess whether the treatment is safe,
determine safe dosages and identify any side effects.
The cells to be injected into patients have been obtained from umbilical
cord blood samples harvested at birth and stored in the private cord blood
bank run by Lifebank Therapeutics. They are the exact cells that die in
Parkinson's disease, which produce the natural chemical dopamine, and are
present in the region of the brain called the substantia nigra.
Jane Smith, Chief Scientific Officer of Lifebank Therapeutics plc said 'Our
studies validate the s torage of a baby's cord blood. It is like taking out
a natural life insurance policy, since the stem cells in cord blood may
realistically be used in the future to treat a range of life-threatening or
debilitating diseases.'
Parkinson's disease is a progressive neurodegenerative disease that results
in severe physical disability, and occasionally psychiatric problems, such
as dementia and depression.
There are around 120,000 people with Parkinson's disease in the UK. The
disease is more prevalent in older people, but of the 10,000 diagnosed every
year in the UK, 1 in 7 are under the age of 50 and 1 in 20 are under 40.
Jane Smith is confident that their clinical study will be given the go
ahead. She said, 'Because umbilical cord blood is a readily available,
ethically acceptable source of stem cells, our clinical study will pave the
way for more widespread applications of cord blood stem cells in treatment
of neurological disorders.'
But John Know, director of the Stem Cell Centre at the University of
Edinburgh, views Lifebank Therapeutics' plans with strong scepticism and
cautions against premature use of stem cells on patients.
'There is still much to be learnt about stem cells before effective
treatments can be developed, in which risks to the patients are minimal.
Rushing to the clinic may seriously damage prospects for future clinical
trials.'
Lifebank Therapeutics plans were welcomed by the Association of Parkinson's
Patients. Peter Hare, its Medical Director, said, 'We welcome all efforts to
find alternative treatments for Parkinson's disease, which are safe and
effective. Our hope is that, in reviewing this application, the regulatory
bodies will examine in detail the potential of stem cells in umbilical cord
blood to treat the disease and so provide an outcome that will benefit
patients.'
PDF version of this story (46KB)

Rayilyn Brown
Board Member AZNPF
Arizona Chapter National Parkinson's Foundation
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