Researchers take a look at medical marijuana as potential remedy for persistent itch

Researchers take a look at medical marijuana as potential remedy for persistent itch

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Continual itch—identified clinically as persistent pruritus—is characterised as an unrelenting and generally even debilitating sensation to itch, and infrequently lowers the standard of life for individuals who endure with it. Treating the situation has been troublesome as a result of there are few Meals and Drug Administration-approved therapies. Now, a latest case research by Johns Hopkins Medication researchers gives proof {that a} promising choice for sufferers with persistent itch might already be out there: medical marijuana (hashish).

A report on the workforce’s findings was printed in JAMA Dermatology.

“Continual itch could be an particularly troublesome situation to deal with, with off-label therapeutics usually utilized,” says Shawn Kwatra, M.D., assistant professor of dermatology on the Johns Hopkins College College of Medication. “With the elevated utilization of medical marijuana and our data of the position of the endocannabinoid system [a complex cell-signaling system that regulates a variety of functions in the body] in persistent itch, we determined to attempt medical marijuana with a affected person who failed a number of therapies and had few choices left.”

Kwatra and his colleagues examined an African American girl in her 60s with a 10-year historical past of persistent itch. The affected person initially arrived on the Johns Hopkins Itch Heart with complaints of maximum pruritus on her arms, legs and abdomen. Upon a pores and skin examination, quite a few hyperpigmented, raised pores and skin lesions had been revealed. A number of remedies had been supplied to the affected person—together with a number of systemic therapies, centrally performing nasal sprays, steroid lotions and phototherapy—however all of them failed.

Kwatra says that utilizing medical marijuana—both by smoking or in liquid kind —offered the girl with almost instantaneous enchancment.

“We had the affected person fee her signs utilizing a numerical ranking scale, the place 10 is the worst itch and nil is not any itch in any respect,” Kwatra says. “She began at 10 however dropped to 4 inside 10 minutes after preliminary administration of the medical marijuana. With continued use of the hashish, the affected person’s itch disappeared altogether.”

The researchers consider that one of many lively substances in medical marijuana, tetrahydrocannabinol—generally identified by its abbreviation THC—attaches itself to mind receptors that affect the nervous system. When this happens, irritation and nervous system exercise lower, which additionally may result in a discount in pores and skin sensations akin to itchiness.

Kwatra says that though conclusive research have but to be achieved to validate medical marijuana as an efficient measure for the aid of beforehand unmanageable itch, he believes it warrants additional scientific trials.

“Managed research are wanted to find out dosing, efficacy and security for medical marijuana within the therapy of assorted human itch subtypes, and as soon as these are carried out, we are going to higher perceive which sufferers are almost certainly to profit from this remedy,” he says.


Research ties persistent itch to sleep loss and potential sign of elevated coronary heart illness threat


Extra info:
Youkyung S. Roh et al. Therapy of Continual Pruritus With Medical Marijuana, JAMA Dermatology (2021). DOI: 10.1001/jamadermatol.2021.1194

Supplied by
Johns Hopkins College College of Medication


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Researchers take a look at medical marijuana as potential remedy for persistent itch (2021, Could 13)
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