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Written By: Agencies | Published : December 30, 2014 6:24 PM IST
Muscular dystrophy is an inherited group of diseases that affect the muscles, causing them to weaken and break down over time. The most common form in childhood is called Duchenne muscular dystrophy, and it most often affects boys.
Washington, Dec 30: A team led by an Indian-origin scientist has found that early use of heart failure drugs slows the progressive decline in heart function before symptoms are apparent in boys and young men suffering from muscular dystrophy. Duchenne muscular dystrophy (DMD) is a genetic disorder in which the body lacks dystrophin, a protein that helps keep muscle cells intact. It causes muscles to rapidly degenerate and weaken. DMD predominantly affects males. A majority of patients develop heart or respiratory failure, surviving into their 20s or early 30s.
Subha Raman, a cardiologist and professor at the Ohio State University's Wexner Medical Center, led a team in a clinical trial that tested the combination of eplerenone and either an ACE inhibitor or an angiotensin receptor blocker (ARB) to decrease the progression of heart muscle disease - a leading cause of death in boys and young men with DMD. 'We believe this research offers evidence that supports the early use of these readily available medications,' said Raman. (Read: Remarkable new muscular dystrophy treatment on the cards?)
Raman and her team based this trial on their earlier lab findings that showed this combination of medicines reduced muscle damage and preserved function in an animal model of DMD. In this trial, researchers enrolled 42 boys with DMD who also showed evidence of early heart muscle damage by cardiac magnetic resonance imaging. In the double-blind study, the boys were randomized to receive one pill of either 25 mg of eplerenone or placebo daily for one year. (Read: How muscular dystrophy can be treated?)
All subjects received background therapy with either an ACE inhibitor or ARB as prescribed by their physician. Raman noted that the results indicated at least six months of therapy was needed to realise benefit. 'Slowing the progression of heart disease should translate into improved quality of life for affected individuals and their families,' Raman noted. The study was published in the journal The Lancet Neurology.
Source: IANS
Photo source: Getty images
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