Custom-blended hormone therapy may not be accurate, says study

This study showed that the dose of a compounded product received may be different from the actual prescribed dose

Women who fill prescriptions for custom-blended hormone therapy may get capsules or creams that don’t contain the correct amount of medicine, a recent study suggests.

Researchers focused on what’s known as compounded hormone therapy — prescriptions that are custom-blended by pharmacists instead of factory-made by drug companies and approved for sale by the US Food and Drug Administration (FDA). Sometimes these formulations are marketed as “bioidentical,” and touted as being more like naturally occurring hormones than regular pharmaceuticals.

“Unique concerns about safety surround the use of compounded bioidentical hormone therapy, including the lack of regulation and monitoring, the possibility of overdosing or