期刊
CLINICAL ENDOCRINOLOGY
卷 67, 期 5, 页码 776-783出版社
WILEY
DOI: 10.1111/j.1365-2265.2007.02962.x
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Background GH may be beneficial in treating patients with end-stage renal disease (ESRD). However, the efficacy and safety of GH could be compromised by the potential for accumulation in the circulation. Objective The objective was to investigate the pharmacokinetics and safety of GH treatment in ESRD patients. Design This was an open, nonrandomized, single-centre parallel-group study lasting 8-9 days. Subjects Eleven adult ESRD patients and 10 matched healthy individuals received recombinant human GH (50 mu g/kg/day for 7 days) by subcutaneous injection; there were two dose reductions (25%) from Day 5/7. ESRD patients underwent dialysis four times. Measurements Serum concentrations of GH, insulin-like growth factor-I (IGF-I), insulin-like growth factor binding protein-I (IGFBP-I), IGFBP-III and GHBP were measured. The primary end-point was GH exposure [area-under-the-curve (AUC) calculated from the 24-h profile] on Days 7-8. Results GH AUC(0-24 h) was greater for patients (387.91 +/- 134.13 mu g h/l) than healthy subjects (225.35 +/- 59.63 mu g h/l) and the 90% confidence interval (CI) for the estimated patient : healthy subject ratio (1.40-2.07) was not within the acceptance interval (0.67-1.50). GH AUC(18-24 h) for patients and healthy subjects (3.03 +/- 2.71 mu g h/l and 6.37 +/- 4.21 mu g h/l) returned approximately to baseline (2.86 +/- 3.91 mu g h/l and 1.09 +/- 1.43 mu g h/l); terminal half-life (t(1/2,z)) was shorter for patients (2.28 +/- 00.43 h vs. 3.23 +/- 00.75 h). No major safety issues were identified. Conclusions Results demonstrate a difference between patients and healthy subjects regarding GH AUC(0-24 h). However, GH concentrations for both groups were comparable to baseline by 20-22 h, thus GH was not retained in the circulation of ESRD patients.
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