Erectile dysfunction medication similar to Viagra may very well be inadvertently reducing the possibilities of males creating Alzheimer's illness, analysis suggests.

Alzheimer's Research UK known as the findings "encouraging," saying the prospect of repurposing medication to deal with the situation may assist "speed up progress and open up new avenues to forestall or deal with dementia-causing ailments".

However the charity mentioned extra analysis is required to substantiate the outcomes and look at the impression the medication may have on ladies and others.

In the research, printed within the journal Neurology, University College London (UCL) specialists examined the medical information of 269,725 males aged over 40 - with a mean age of 59 - who had been recognized with erectile dysfunction between 2000 and 2017.

More than half of these sampled had been prescribed a sort of medicine referred to as a PDE5I drug (phosphodiesterase kind 5 inhibitors), which incorporates Viagra, Cialis, vardenafil and avanafil.

In a follow-up interval averaging 5.1 years, 1,119 of the boys had been recognized with Alzheimer's.

Statistical evaluation from UCL discovered that the boys taking the medication had been 18% much less prone to develop the illness in contrast with those that had erectile dysfunction however didn't take the medication.

UCL additionally discovered that these prescribed "most frequently" had been even much less prone to be recognized with Alzheimer's.

Lead writer Dr Ruth Brauer, from the UCL School of Pharmacy, mentioned: "Although we're making progress with the brand new remedies for Alzheimer's illness that work to clear amyloid plaques within the mind for folks with early phases of the illness, we desperately want remedies that may stop or delay the event of Alzheimer's illness.

"More research is needed to confirm these findings, learn more about the potential benefits and mechanisms of these drugs and look into the optimal dosage.

"A randomised, managed trial with each female and male members is warranted to find out whether or not these findings would apply to ladies as nicely."

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Making Alzheimer's drugs 'can take many years'

Dr Leah Mursaleen, head of research at Alzheimer's Research UK, said that "creating medication for ailments like Alzheimer's is a expensive course of and might take a few years".

She added: "While that is an encouraging discovering, it would not but verify whether or not these medication are straight chargeable for decreasing Alzheimer's threat, nor whether or not they can sluggish or cease the illness.

"Further research - including clinical trials - will be needed to confirm whether these drugs can indeed play a role in preventing or treating Alzheimer's.

"Such research also needs to uncover whether or not these medication might need results in different teams, similar to ladies, and males and not using a analysis of erectile perform. We additionally want to know how this proof would possibly apply to extra various populations."

Men with a previous diagnosis of dementia or cognitive impairment were not included in UCL's analysis.

Researchers noted that previous animal research found PDE5I drugs have some "neuroprotective advantages".