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About
Dr. Myers
See also:
Dr. Myers's Philosophy |
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Dr. Myers was graduated near the top of his class from the University
of Pennsylvania School of Medicine in 1969. While at Penn, he worked in
the laboratory of Peter Nowell, the scientist who discovered the genetic
basis (the Philadelphia Chromosome) for one of the common forms of
leukemia. He also completed his internship and part of a residency in
internal medicine at the Hospital of the University of Pennsylvania
between 1969 and 1971.
In 1971 he began training in medical oncology at the National Cancer
Institute with Vincent DeVita. This was an exciting time to join NCI
because DeVita had just demonstrated that widespread metastatic
Hodgkin's disease could be cured by aggressive use of chemotherapy.
During the three years Myers trained there, DaVita demonstrated that
chemotherapy cures other types of lymphoma. Additionally, modern
chemotherapy was developed for ovarian and breast cancer at NIH during
that time. At the end of his fellowship, the first board certification
examinations in Medical Oncology were given, signaling the birth of this
specialty.
Dr. Myers decided to focus his research on the process of cancer drug
discovery and development. He was particularly interested in using a
process called Clinical Pharmacology to devise ways to make cancer drugs
safer and more effective. In 1974, Myers joined the staff of the newly
formed Clinical Pharmacology Branch at NCI. By 1984, he had become Chief
of the Clinical Pharmacology Branch and remained in that position for
ten years. During his years in the Clinical Pharmacology Branch, Dr.
Myers made a number of contributions to cancer research:
In the late 1970s, Myers became increasingly interested in ovarian
cancer. This particular cancer is unusual in that it often remains
confined to the peritoneal cavity, rather than spreading to other parts
of the body. This had led a number of investigators to administer cancer
drugs directly into the peritoneal cavity in an attempt to attain the
highest drug concentrations. Despite the superficial appeal of this
approach, the results were not impressive. Myers addressed this issue in
a series of 14 papers. He established the science and technology needed
for effectively administering cancer drugs to the peritoneal cavity.
This work provided the basis for this area of research and spawned an
entire field of clinical investigation.
The cancer drug Doxorubicin is widely used in the treatment of breast
and other cancers. Unfortunately, it causes irreversible heart damage
that often proves fatal. Myers demonstrated that this toxicity resulted
from oxidative damage to the heart muscle. In short, Doxorubicin damages
the heart because it binds to iron. The resulting drug-iron
complexconverts hydrogen peroxide into chemicals that destroy the heart
muscle.
His work led to the discovery of an antidote, Desreoxain that is now
FDA- approved for the prevention of Doxorubicin-induced heart damage.
In the early 1980's, a new fatal disease emerged that was
characterized by a complete failure of the immune system. It quickly
became evident that many of the patients with this disease were
homosexual men and that the disease appeared to be spread by sexual
contact or blood transfusions. The cause proved to be a new group of
viruses called Human Immunodeficiency Virus, or HIV. Sam Broder, a close
friend and skilled immunologist, decided to mount an effort to discover
drugs that kill or arrest the spread of the virus. He recruited Myers as
the lead pharmacologist. In quick succession, the team identified two
drugs that slow or arrest the growth of HIV -- suramin and AZT. Of these
two, only AZT eventually proved of sufficient value to warrant FDA
approval as treatment for HIV infection.
During the HIV clinical trials, Dr. Myers became well acquainted with
suramin and its interesting properties as an anticancer agent. This
interest focused on a process called cell cycle regulation.
All cells are able to grow or remain stagnant, depending on the needs
of the body. For example, if you remove half of someone's liver, the
remaining liver tissue will rapidly grow until the liver reaches the
correct size and then stop. Thus, a key characteristic of normal tissues
is strict control of cell growth. Cancer cells differ because their
growth is not controlled: once cancer cells start growing, they stop
only when they die or the patient dies.
In the early 1980s, it became apparent that growth of normal tissues
was controlled by the production of small proteins called growth
factors. Some cancers occur because a growth factor is produced
erratically. This was initially demonstrated in a study that revealed
that the simian sarcoma virus caused sarcomas, a cancer of scar tissue,
by triggering over production of a growth factor called platelet-derived
growth factor (PDGF). Suramin was shown to block PDGF and cause simian
sarcoma virus infected cells to return to normal behavior.
Dr. Myers was aware that suramin also blocked another growth factor,
fibroblast growth factor or FGF. When it was reported that FGF
overproduction was characteristic of prostate cancer, Myers decided to
investigate whether suramin was active against prostate cancer.
The first patient was a young policeman from New Orleans who had
failed hormonal therapy under the care of Dr. Labrie, the discoverer of
flutamide (Eulexin). When Myers first saw this gentleman, his prostate
cancer had spread to many of the lymph nodes throughout his body.
Amazingly, during the first course of suramin, most of his prostate
cancer disappeared!
Myers went on to document that about one third of men with
hormone-resistant prostate cancer respond to suramin. Suramin is now in
the latter stages of drug development and may soon receive FDA-approval
as treatment for prostate cancer.
Encouraged by the results obtained with suramin, Myers initiated a
discovery program for drugs effective against prostate cancer. This
group, formed at NCI, continues to discover a number of additional drugs
with promise in the treatment of prostate and other cancers. These drugs
include phenylacetate, phenylbutyrate and geldanamycin.
In 1994, Myers accepted a position as Director of the Cancer Center
at
the University of Virginia. At that time, the Cancer Center was a Basic
Science Center. In the five years since his arrival, the Center has
doubled its funding from NCI and is now an approved Clinical Center.
During this same time, UVA has become one of the leading centers for
prostate cancer research.
Myers major activities revolved around prostate cancer
treatment and research. His laboratory research was focused on why a diet
high in animal fat appears to foster progression in prostate cancer.
His research group demonstrated that a fatty acid, arachidonic acid, common in meat, dairy products, and egg yolks promotes
the survival and growth of human prostate cancer cells. They showed
that arachidonic acid is converted to a hormone, 5-HETE, which appears
to foster the spread of prostate cancer.
Dr. Myers has long been popular among prostate cancer patients as a
speaker because of his ability to explain science and medicine in
easy-to-understand language. For some years his other responsibilities
limited the number of speaking engagements he could accept. In an
attempt to address this problem, Myers and his wife, Rose, started a
newsletter, Prostate Forum, in the summer of 1996.
Dr. Myers left the University of Virginia on Feb. 15,
2002 to establish the
American Institute for
Diseases of the Prostate in Charlottesville, VA.
The Institute focuses on providing comprehensive management of
prostate cancer. Dr. Myers tailors treatment
according to the needs of each patient, based
on his knowledge of the disease and his own experience as a patient.
He began to see patients on Feb. 18, 2002.
To make an appointment, or request more information, contact
our offices at 434-964-0212.
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