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Stem Cell News
| Reducing
tissue damage after a heart attack |
| By
SARAH E. MORAN |
Neuronyx clinical trials show
promise
EAST WHITELAND -- Often, Anne
Faulkner Schoemaker receives visitors in the office
that was once her husband‘s -- now empty save for
framed newspaper articles about him, barely used
office furniture and several paintings from his native
Holland.
Schoemaker (pronounced shoe-MAA-ker)
is the widow of Hubert J.P. Schoemaker, the
biotechnology visionary who died last year at age 55
after a protracted battle with brain cancer.
He was the founder of Centocor Inc.
and later started Neuronyx Inc., a stem-cell science
and research company based in the Great Valley
Corporate Center here, with former Paine Webber
rainmaker Stephen Webster.
His 58-year-old widow, a Juilliard
School-trained pianist but also steeped in the health
care and medical fields after stints with the
Children‘s Hospital of Philadelphia, the University
of Pennsylvania and the Wistar Institute, became
interim chief executive of the privately held Neuronyx
late last year.
Asked how long she might stay at
Neuronyx, Schoemaker, a sylph of a woman with sapphire
blue eyes, hedged her bets.
”My goal is to add as much value as
I can to this company,“ she responded. ”Once an
18-month clinical trial of our stem-cell therapy to
regenerate damaged heart tissue begins, we‘ll need
$40 million to $50 million. We‘ll need a corporate
partner to help us.“ Schoemaker kept open the
possibility that Neuronyx may eventually go public, as
one of its major competitor, Osiris Therapeutics of
Baltimore, Md., did last fall.
Called NX-CP105 in its experimental
phase, the product that could well become the Neuronyx
poster child involves injecting stem cells harvested
from adult bone marrow, via a catheter, several places
in a patient‘s heart to spur tissue there to
regenerate and repair itself.
Currently, Neuronyx is testing the
product in six patients at the Arizona Health
Institute and Hospital in Phoenix, where the company
is hopeful to treat 12 more by year-end. More clinical
trials will take place at the Scripps Green Hospital
in La Jolla, California and the Minneapolis Heart
Institute.
Early results are promising, but, as
Schoemaker cautioned, ”Our challenge and also our
profound obligation is to attribute these changes to
our product. Only after we have done ... testing in
many patients will we be able to make that claim. For
now, the data encourages us to go forward to develop a
meaningful treatment that will improve the lives of
patients with heart disease and take enormous costs
out of the health care system.“ Patients are treated
with NX-CP105 30 to 60 days following a heart attack
and other, more traditional treatments, Joe Wagner
explained earlier; he is Neuronyx vice president of
cellular therapy.
When someone has a heart attack,
”the tissue dies and never regenerates,“ he noted.
”In its place, you get a solid scar, which serves
some function but doesn‘t pump blood or beat. This
tissue grows, enlargement of the heart is the result,
and you have the first step toward congestive heart
disease.“ Five million Americans suffer from heart
failure today, he went on to say. The condition causes
250,000 deaths a year and generates 400,000 to 700,000
new patients annually.
Schoemaker lauded her late husband for
choosing adult stem cells, versus those derived from
more controversial umbilical cord blood, amniotic
fluid and other sources. ”It (adult cells) was an
uncomplicated place to go,“ she said. ”He had
scientific belief in the utility of stem cells.“
Hubert Schoemaker‘s original intention for Neuronyx
was to apply stem-cell therapies to neurological
disease. His wife recalled last week that he would
always say, ”If I can help one person get out of a
wheelchair and walk again, I will have done something
worthwhile.“ Stem-cell treatments might eventually
have great success in combating stroke, a complicated
event that resists easy treatment, Schoemaker pointed
out. They might also be used in wound repair and
healing, with a stem cell-impregnated bandage helping
to regenerate tissue without scarring.
Stem cell products notched $16.4
million in sales last year and are expected to more
than double to $35 million in 2007, according to Robin
R. Young, a medical industry analyst whose consulting
firm bears his name. He told attendees at a recent
Stem Cell Summit in San Diego that more than 200
companies are preparing products for
commercialization, especially in the area of joint and
cartilage repair cases.
”While orthopedics is the hotbed of
stem cell product use today in the United States,“
Young told the assembled throng, ”many companies are
progressing rapidly with their development of products
to treat cardiac,urologic and other indications.“
But public markets aren‘t that friendly to biotech
companies right now, Schoemaker pointed out. ”The
person who will eventually sit in that chair,“ she
said --- pointing to her husband‘s vacant one --
”must be able to work well with Wall Street. Stem
cells are the ’next big thing.‘“ To contact
staff writer Sarah E. Moran, send an e-mail to smoran@dailylocal.com.
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