Voice Of America
Researchers say a drug commonly used to treat malaria and rheumatoid
arthritis has also proved effective in treating some aggressive
cancers. When scientists administered hydroxychloroquine, an
anti-malarial drug, together with known cancer drugs, they found it
stopped the growth of cancerous tumors in two-thirds of the patients.
Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct.
The spread of cancer is accelerated by the death of these cells.
“This
process called autophagy, which literally means to self-eat, is present
in all cells," said Dr. Ravi Amaravadi. "But what we are finding in our
research is that cancer cells have a very high level of autophagy even
before any treatment, and so they are poised to take on the damage from
existing cancer therapies and simply break down the damaged parts to
fuel further growth.”
Dr. Ravi Amaravadi spoke to us via Skype.
He is a cancer specialist at the University of Pennsylvania School of
Medicine. His group treated patients by combining conventional cancer
medications with the anti-malarial drug, hydroxychloroquine. The
compound is known to inhibit autophagy and researchers hoped it could
stop cancer cells from growing... Read More