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Drug to slow aortic stenosis shows early promise - Harvard Health

Drug to slow aortic stenosis shows early promise Research we're watching - Reviewed by Christopher P. Cannon, MD, Contributor A new investigational medication may safely slow the progression of aortic stenosis (narrowing of the aortic valve) and delay the need

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Drug to slow aortic stenosis shows early promise

Research we're watching

  • Reviewed by Christopher P. Cannon, MD, Contributor

A new investigational medication may safely slow the progression of aortic stenosis (narrowing of the aortic valve) and delay the need for valve replacement, according to a small study published in the April 2025 issue of Circulation.

The drug, called ataciguat, works by binding to molecules that drive calcification within the valve. For the trial, 46 people with aortic stenosis were randomly assigned to receive ataciguat or a placebo for six months. Imaging tests revealed a reduction of nearly 70% in the progression of aortic valve calcification among those taking the drug compared to those on a placebo. People on the drug also showed improved heart function, including preserved pumping ability.

If future planned trials confirm these findings and the drug is approved, it would be the first medication available to treat aortic stenosis.

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About the Author

Julie Corliss, Executive Editor, Harvard Heart Letter

About the Reviewer

Christopher P. Cannon, MD, Contributor

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About the author

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