Mounting evidence shows that medical marijuana is one of the most effective anticancer drugs on the market, according to researchers.
Earlier this year, GW Pharmaceuticals announced a breakthrough for cancer research, after discovering that cannabidiol and tetrahydrocannabinol were able to sucessfully treat an aggressive form of brain cancer.
Thefreshtoast.com reports: reports: Glioblastoma multiforme, or GBM is a “particularly aggressive brain tumor, with a poor prognosis,” according to the British-based biopharmaceutical company focused on developing proprietary cannabinoid medicine.
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According to the study, patients with documented recurrent GBM treated with THC:CBD had an 83 percent one year survival rate compared with 53 percent for patients taking a placebo.
Said Professor Susan Short, principal investigator of the study:
“The findings from this well-designed controlled study suggest that the addition of a combination of THC and CBD to patients on dose-intensive temozolomide produced relevant improvements in survival compared with placebo and this is a good signal of potential efficacy. Moreover, the cannabinoid medicine was generally well tolerated. These promising results are of particular interest as the pharmacology of the THC:CBD product appears to be distinct from existing oncology medications and may offer a unique and possibly synergistic option for future glioma treatment.”
Even the federal government’s National Cancer Institute agrees:
“Studies in mice and rats have shown that cannabinoids may inhibit tumor growth by causing cell death, blocking cell growth, and blocking the development of blood vessels needed by tumors to grow. Laboratory and animal studies have shown that cannabinoids may be able to kill cancer cells while protecting normal cells.
“A laboratory study of cannabidiol (CBD) in human glioma cells showed that when given along with chemotherapy, CBD may make chemotherapy more effective and increase cancer cell death without harming normal cells. Studies in mouse models of cancer showed that CBD together with delta-9-THC may make chemotherapy such as temozolomide more effective.”
Marijuana’s effect on cancer cells is not new. In 2006, results of a study were published in the British Journal of Pharmacology. The team of Spanish scientists led by Manuel Guzman conducted the first clinical trial assessing the antitumoral action of THC on humans. Guzman administered THC into the tumors of nine patients with glioblastoma, who had failed to respond to standard brain-cancer therapies. The THC treatment was associated with significantly reduced tumor cell proliferation in every test subject.
Also in 2006, scientists at Harvard University found that THC slows tumor growth in lung cancer and “significantly reduces the ability of the cancer to spread.” The research showed that THC selectively targets and destroys tumor cells while leaving healthy cells unscathed.