Journal
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Volume 103, Issue 2, Pages 722-731Publisher
OXFORD UNIV PRESS INC
DOI: 10.1210/jc.2017-01471
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Funding
- Shire Human Genetic Therapies (Lexington, MA)
- NPS Pharmaceuticals
- Complete Healthcare Communications (West Chester, PA)
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK079970] Funding Source: NIH RePORTER
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Context: Reduced health-related quality of life (HRQoL) is common in patients with hypoparathyroidism treated conventionally with calcium and active vitamin D supplements. Objective: To examine the effects of recombinant human parathyroid hormone [rhPTH(1-84)] on HRQoL as measured by the 36-Item Short-Form Health Survey (SF-36) during a multinational, randomized, placebo-controlled study. Patients: Adults (N = 122) with chronic hypoparathyroidism. Intervention(s): After an optimization period when calcium and/or active vitamin D supplements were adjusted to reach target serum calcium levels (8.0 to 9.0 mg/dL; 2.0 to 2.2 mmol/L), patients were randomly assigned to receive placebo (n = 39) or rhPTH(1-84) (n = 83) (starting dose, 50 mu g/d, could be titrated up to 100 mu g/d); supplement doses were adjusted to maintain target serum calcium levels. Main Outcome Measure(s): Change from baseline (postoptimization, at randomization) to week 24 in HRQoL as assessed by the SF-36. Results: Overall, the between-group differences were not statistically significant. However, in the rhPTH(1-84) group, there were significant improvements in the physical component summary score (P = 0.004), and in body pain (P < 0.05), general health (P < 0.05), and vitality (P < 0.001) domains as compared with baseline values. In the placebo group, there were no significant changes for any domains. The magnitude of change between 0 and 24 weeks in SF-36 scores was negatively correlated with baseline scores, such that patients with lower HRQoL at baseline were more likely to experience improvement in response to treatment. Conclusion: Treatment with rhPTH(1-84) may improve HRQoL in adults with hypoparathyroidism.
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