Morphine is a drug that is routinely provided to cancer patients to relieve pain. Recent studies conducted in the laboratory suggest that morphine may stimulate the spread of the disease. The researchers said this opioid promotes the growth of new blood vessels that carry oxygen and nutrients to tumors.
The scientists, who presented their findings during the joint conference of the American Association of Cancer Research and the European Organization for Research and Treatment of Cancer, held in Boston, also reported the discovery of a new drug that could counteract this effect. Experts say, however, that more testing is needed before carrying out any change in treatment.
The two new studies by the University of Chicago found that lung cancer by protecting cells from the effect of opioids will reduce the proliferation and cell migration. Dr. Patrick Singleton, head of the studies reported that in laboratory tests morphine not only strengthened but blood vessels appeared to facilitate the invasion and spread of cancer cells to other tissues. However, it appears that this can be overcome with another drug, called naltrexone, or methyl-MNTX.
Morphine, a potent opioid analgesic, has been for over two centuries, the standard treatment to combat chronic pain of cancer patients. Since research is in its early stages is not yet say whether opioid-based painkillers have an effect on cancer growth. Therefore, we must continue with studies.
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Tags: Analgesic, Cancer, Disease, Drug, Methyl-MNTX., Morphine is a drug, Naltrexone, Treatment of Cancer
