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Can MetriScan be used for therapy follow-up?
MetriScan is cleared for monitoring changes over time, but realistically, two factors must be considered. First, for the drug being given, what is the expected rate of change of bone density in the phalanges? Second, what is the precision capability of MetriScan? The precision capability of MetriScan is better than 1.2 %, comparable to DEXA precision. But some drug companies state that when being treated, the rate of change in the phalanges is significantly slower compared to the rate of change in the spine. In that case, following therapy with MetriScan involves a longer sampling interval than might be used with DEXA techniques.

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