The Trump administration has negotiated lower prices for 15 widely used medications covered by Medicare, with the federal government saying the effort will cut spending on those drugs by 44%, or about $12 billion. So will the initiative help save money for seniors?

That's less clear, given that Medicare enrollees are already protected by a cap on drug costs. But the Centers for Medicare and Medicaid Services (CMS) said Monday the new prices will save the 55 million people enrolled in the Part D pharmaceutical plan a total of about $685 million.

Individuals' out-of-pocket reductions are likely to vary based on whether they use one or more of the drugs covered under the new agreement and if they've reached their annual spending cap. On average, however, with 5.3 million people using the

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