Teriparatide is safe and effectively increases bone biomarkers in institutionalized individuals with osteoporosis.

Ryder KM, Tanner SB, Carbone L, Williams JE, Taylor HM, Bush A, Pintea V, Watsky MA
J Bone Miner Metab. 2010 28 (2): 233-9

PMID: 19806302 · DOI:10.1007/s00774-009-0123-1

Institutionalized adults with severe developmental disabilities have a high rate of minimal trauma and appendicular fracture. There is little information about osteoporosis treatment in this population. In this efficacy and safety study, men and women with severe developmental disabilities and osteoporosis received 20 mcg teriparatide subcutaneously daily for 18-24 months. Markers of bone formation [procollagen type 1 intact N-terminal propeptide (P1NP)] and resorption [C-telopeptide (CTx)] were measured at three-month intervals. Serum calcium was measured at two-week intervals for 12 weeks and thereafter at three-month intervals. Twenty-seven individuals received at least one injection. The incidence of hypercalcemia was 11.1% but was persistent and led to medication discontinuation in only one participant. Biomarkers of bone formation increased rapidly, doubling by three months. At 12 months, P1NP and CTx remained elevated from baseline; P1NP had risen from 66.95 +/- 83.71 microg/l (mean +/- SD) to 142.42 +/- 113.85 microg/l (P = 0.05), and CTx had increased from 0.377 +/- 0.253 to 1.016 +/- 1.048 ng/ml (P = 0.01). The majority of participants had an increase in P1NP of over 10 microg/l. In conclusion, teriparatide is safe and effective in developmentally disabled institutionalized adults. Serial calcium measurements are warranted, particularly during the first three months of therapy.

MeSH Terms (22)

Aged Biomarkers Bone and Bones Bone Density Conservation Agents Bone Resorption Calcium Drug Monitoring Female Humans Hypercalcemia Hypokinesia Injections, Subcutaneous Institutionalization Male Mentally Disabled Persons Middle Aged Osteogenesis Osteoporosis Osteoporosis, Postmenopausal Teriparatide Time Factors Treatment Outcome

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