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Last post 4 years ago by DrafterX. 14 replies replies.
Anyone have heart issues?
ZRX1200 Offline
#1 Posted:
Joined: 07-08-2007
Posts: 60,476

May 1, 2019 , University of Manchester

A drug used to treat erectile dysfunction has been found by University of Manchester scientists to slow or even reverse the progression of heart failure in sheep.


The British Heart Foundation funded study is a breakthrough in the treatment for the disease in which five year survival rates are lower than most common cancers.

The study of Tadalafil—which is in the same class as Viagra—proves that the drug is biologically effective as a treatment for heart failure in sheep.

However, lead author Professor Andrew Trafford argues the effect is likely to also be shown in humans. The study is published in the journal Scientific Reports.

Heart failure is a devastating condition, occurring when the heart is too weak to pump enough blood to meet the body's needs.

It also causes a build-up of fluid that backs up into the lungs, resulting in breathlessness as well fluid retention, resulting in swelling of different parts of the body.

Most current treatments are ineffective.

"This discovery is an important advance in a devastating condition which causes misery for thousands of people across the UK and beyond," said Professor Trafford.

"We do have limited evidence from human trials and epidemiological studies that show Tadalafil can be effective in treating heart failure.

"This study provides further confirmation, adds mechanistic details and demonstrates that Tadalafil could now be a possible therapy for heart failure.

"It's entirely possible that some patients taking it for er`ectile dysfunction have also unwittingly enjoyed a protective effect on their heart."

Sheep were used by the team as the physiology their hearts is similar to human hearts.

When the animals had heart failure—induced by pace makers—which was sufficiently advanced to need treatment, the team administered the drug. Within a short period the progressive worsening of the heart failure was stopped and, importantly the drug reversed the effects of heart failure.

And the biological cause of breathlessness in heart failure- the inability of the heart to respond to adrenaline was almost completely reversed.

The dose the sheep received were similar to the dose humans are given when being treated for erectile dysfunction.

Tadalafil blocks an enzyme called Phosphodiesterase 5 or PDE5S for short, which regulates how our tissue responds to hormones like adrenaline.

The research team found that in heart failure, the drug altered the signalling cascade—a series of chemical reactions in the body—to restore the hearts ability to respond to adrenaline.

And that increases the ability of the heart to force blood around the body when working harder.

Professor Trafford added: "This is a widely used and very safe drug with minimal side effects.

"However we would not advise the public to treat themselves with the drug and should always speaking to their doctor if they have any concerns or questions.

"Tadalafil is only suitable as a treatment for systolic heart failure—when the heart is not able to pump properly—and there may be interactions with other drugs patients are taking."

Professor Metin Avkiran, Associate Medical Director at the British Heart Foundation, said:

"Viagra-type drugs were initially developed as potential treatments for heart disease before they were found to have unexpected benefits in the treatment of erectile dysfunction. We seem to have gone full-circle, with findings from recent studies suggesting that they may be effective in the treatment of some forms of heart disease—in this case, heart failure.

"We need safe and effective new treatments for heart failure, which is a cruel and debilitating condition that affects almost a million people in the UK. The evidence from this study—that a Viagra-like drug could reverse heart failure—should encourage further research in humans to determine if such drugs may help to save and improve lives."



You’re welcome
DrafterX Offline
#2 Posted:
Joined: 10-18-2005
Posts: 98,508
What if you don't have a sheep..?? Mellow
Mrs. dpnewell Offline
#3 Posted:
Joined: 08-23-2014
Posts: 1,373
DrafterX wrote:
What if you don't have a sheep..?? Mellow


^"Sheep were used by the team as the physiology their hearts is similar to human hearts."

Yet I bet you thought sheep where only similar to humans in another way.

David
opelmanta1900 Offline
#4 Posted:
Joined: 01-10-2012
Posts: 13,954
DrafterX wrote:
What if you don't have a sheep..?? Mellow

Then you'se could sheer one with yur neighbor!
tonygraz Offline
#5 Posted:
Joined: 08-11-2008
Posts: 20,175
I heard that the sheep near where Drafter lives were very nervous.
Whistlebritches Offline
#6 Posted:
Joined: 04-23-2006
Posts: 22,127
tonygraz wrote:
I heard that the sheep near where Drafter lives were very nervous.



They do call him Daaaaaaaaddy
RMAN4443 Offline
#7 Posted:
Joined: 09-29-2016
Posts: 7,683
tonygraz wrote:
I heard that the sheep near where Drafter lives were very nervous.

Butt eager to please. ..Anxious
Speyside Offline
#8 Posted:
Joined: 03-16-2015
Posts: 13,106
Thanks Z, I have an older friend who this might help. So my take is Drafter is low on sheep.
teedubbya Offline
#9 Posted:
Joined: 08-14-2003
Posts: 95,637
The drug is taken by humans yet the sheep somehow benefit
Speyside Offline
#10 Posted:
Joined: 03-16-2015
Posts: 13,106
Don't be going PETA on us.
Whistlebritches Offline
#11 Posted:
Joined: 04-23-2006
Posts: 22,127
You know I do.....But how does a constant hard on help this condition?
Ewok126 Offline
#12 Posted:
Joined: 06-25-2017
Posts: 4,356
Whistlebritches wrote:
You know I do.....But how does a constant hard on help this condition?


I think it works kinda like this.

shorturl.at/iDOQT
tailgater Offline
#13 Posted:
Joined: 06-01-2000
Posts: 26,185
teedubbya wrote:
The drug is taken by humans yet the sheep somehow benefit


Duh.
It's an erectile dysfunction pill, so yeah.

DrafterX Offline
#14 Posted:
Joined: 10-18-2005
Posts: 98,508
freaks... Mellow
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