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publicado em 30/08/2010 às 16h00:00
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Evidence suggests that marijuana can provide relief for chronic pain

The use of medical marijuana has been debated by physicians, researchers, legislators and the public for many years

 
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Foto: Divulgação/Cannabica
Foto: Owen Egan/McGill
The cannabis plant from which marijuana is derived Mark Ware, principal author of the study
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The cannabis plant from which marijuana is derived
Mark Ware, principal author of the study

The use of medical marijuana has been debated by physicians, researchers, legislators and the general public for many years as an alternative to pharmaceutical treatments for pain, which are not always effective and often have unwanted side effects. A new study from McGill University Health Centre (MUHC) and McGill University researchers provides evidence that marijuana (cannabis) may offer relief for patients suffering from chronic neuropathic pain.

The results of this were published in the latest edition of Canadian Medical Association Journal.

"This is the first study to be conducted when patients were allowed to smoke cannabis at home and monitor their responses every day," says Mark Ware, principal author of the study.

In this study, patients received low doses of inhaled marijuana (25 mg), containing about 10% THC (the active ingredient in cannabis), three times daily for a period of five days. Treatment offered a modest reduction of pain in patients suffering from chronic neuropathic pain (pain associated with nerve injury) in the early days. The results also suggest that marijuana improved mood and helped patients sleep better. The effects were less pronounced in strains of cannabis with less than 10% THC.

"Patients who received treatment were suffering from post-traumatic pain, caused by nervous system injury (eg traffic accidents) or postoperative (eg, nerves cut) event, which was not controlled by conventional therapies" , says Ware. "This type of pain occurs more often than many people recognize and there are few effective treatments available. For these patients, the medical cannabis is sometimes seen as their last hope."

However, studies on a large scale, for a longer period of time and with higher doses of THC are necessary to better assess the efficacy and safety of long-term use of medical marijuana. "Our challenge is to allow researchers continue to conduct rigorous clinical studies on the medicinal use of cannabis with strict attention to detail as the quality and strength," adds Ware. "This will enable us to advance the debate by providing reliable scientific data."

Source: Isaude.net
   Palavras-chave:   Chronic pain    Maconhoa    Medicine    Treatment    Neuropathic pain   
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Chronic pain    maconhoa    medicine    treatment    neuropathic pain   
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