Intermittent exogenous parathyroid hormone (PTH) is a potent osteoanabolic agent used for the treatment of severe osteoporosis. Two molecules of recombinant PTH are commercially available: the full-length PTH (PTH 1-84) and teriparatide (PTH 1-34). We present the first report of PTH-induced mild, asymptomatic, normochromic normocytic anemia in a postmenopausal woman treated sequentially with PTH 1-84 and PTH 1-34. Anemia was more pronounced with PTH 1-84 compared to PTH 1-34 and was reversed with each regimen discontinuation. We suggest monitoring of hematocrit and hemoglobin in PTH-treated patients, especially when PTH 1-84 is used.

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http://dx.doi.org/10.1007/s00774-009-0105-3DOI Listing

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