Feed a Cold; Starve a Tumor
by: ARA Content
One of the most exciting developments in modern medicine has
been the discovery that cancerous tumors have the potential of
being "starved" out of existence, or at least into dormancy.
Scientists, doctors and, of course, patients, are all anticipating
the prospect that cancer patients may take a drug that will stop
a tumor in its track by cutting off the blood supply that nourishes
it.
At the core of this medical breakthrough was the discovery that
every tumor needs to "recruit" its own blood supply
to flourish and grow. Scientists also found out that tumors actively
"participated" in this process by secreting certain
growth chemicals that would attract blood vessels to the tumor.
Having identified this process, the next step was to determine
if drugs could be created that could somehow arrest or reverse
the progress of blood vessels amassing around a tumor.
The result has been a highly dynamic and exciting area of medicine
called anti-angiogenesis (meaning "against the formation
of new blood vessels") that focuses on inhibiting the growth
of cancer by developing drugs that will prevent tumors from growing
in size.
Currently, there are several drug companies that are on the cusp
of introducing drugs that will work by the process of anti-angiogenesis.
Generally speaking, the drugs seek to improve survival rates of
cancer patients, as well as increase the length of time that patients
survive. And unlike conventional cancer therapies that have punishing
side effects, the new drugs seem to demonstrate few or no side
effects for most people. Furthermore, some of the studies show
that by utilizing both conventional treatments like radiation
and/or chemotherapy in conjunction with anti-angiogenesis drugs,
the cumulative effect is even more powerful.
One highly regarded company that is at the forefront of developing
anti-angiogenesis drugs is Aeterna Laboratories, based in Quebec,
Canada and traded on the Nasdaq market under the ticker symbol,
AELA. The company's premier product, Neovastat, is currently being
tested in clinical trials for a variety of cancers including lung,
renal (kidney) and multiple myeloma (bone marrow). The results
for the renal and multiple myeloma tests are scheduled to wrap
up by the end of 2002 and, if conclusive, will be submitted to
the Federal Drug Administration for review.
Out of all the drugs under development, Neovastat is unique because
of its multi-functionality, which is its ability to shut down
two pathways recognized as being responsible for promoting angiogenesis
(in contrast to other drugs which just block one pathway). In
clinical trials, Neovastat has been shown to have no side effects
in most people. This is obviously a big advantage for people who
know the agony of nausea, exhaustion and/or hair loss that can
accompany chemotherapy drugs. In tests, Neovastat has been given
to people in liquid oral form, generally the preferable form of
drug delivery for patients.
If you are a cancer patient interested in clinical trial participation,
you can get information about current trials by calling (888)-349-3232
If you are an oncologist, please contact Claude Hariton, Ph.D.,
vice president of Clinical and Regulatory Affairs at (418) 652-8525
ext. 306. To learn more about anti-angiogenesis drugs and Aeterna
Laboratories, visit the Aeterna Web site at www.aeterna.com.
About The Author - Courtesy ARA Content, www.ARAcontent.com;
e-mail: info@ARAcontent.com
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