Pre-existing anticancer drug could help treat common form of heart failure

Pre-existing anticancer drug could help treat common form of heart failure

When it comes to finding new treatments for disease, reinventing the wheel is not always necessary - drugs already in use for other conditions may do the job. And if it turns out that a pre-existing drug works, getting it approved for the treatment of another disease can happen much more quickly than for entirely new drugs never previously tested in people. This fast-tracking approach may now prove valuable - and potentially life-saving - for patients with a common form of heart failure known as heart failure with preserved ejection fraction (HFpEF). Many patients with HFpEF feel fine at rest but experience shortness of breath upon physical exertion because their sick heart struggles to pump enough blood to meet the body's needs. HFpEF usually worsens over time, leading to major declines in quality of life, and often death. Thanks to new research by scientists at the Lewis Katz School of Medicine at Temple University (LKSOM), however, a drug capable of reversing HFpEF may soon be available. The researchers show that a drug already approved for the treatment of some forms of cancer can reverse HFpEF symptoms and improve the heart's ability to pump blood in an HFpEF animal model. "Although many people suffer from HFpEF, there are currently no FDA-approved therapies available for the problem," explained Steven Houser, PhD, FAHA, Senior Associate Dean of Research, Vera J. Goodfriend Endowed Chair of Cardiovascular Research, and Professor of Physiology and Medicine at the Cardiovascular Research Center at LKSOM. Dr. Houser is the senior investigator on the new study, which was published in the journal Science Translational Medicine . "We know from previous research that heart cells from patients with HFpEF have abnormalities in the genes that are being activated as well as in the function of the proteins that they encode," Dr. Houser said. "The alterations in gene expression and protein activity in these cells involve a group of enzymes known as histone deacetylases (HDACs). Drugs that block HDAC activity have already been developed for other diseases, including cancer." At the suggestion of collaborator Timothy A. McKinsey, PhD, LaConte Chair in Cardiovascular Research, Professor of Medicine, Associate Cardiology Division Head for Translational Research, and Director of the Consortium for Fibrosis Research & Translation (CFReT) at the University of Colorado Anschutz Medical Campus, the Houser and McKinsey teams decided to investigate the effects of an HDAC inhibitor known as SAHA on animals with HFpEF. SAHA, marketed under the name Zolinza, is currently approved for the treatment of a form of cancer known as cutaneous T-cell lymphoma. Related Stories



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