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Titles listShould we monitor more closely the dosage of 9 alpha-fluorohydrocortisone in salt-losing congenital...
Titles listShould we monitor more closely the dosage of 9 alpha-fluorohydrocortisone in salt-losing congenital...
Scientific Article
unige:74631 
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Should we monitor more closely the dosage of 9 alpha-fluorohydrocortisone in salt-losing congenital adrenal hyperplasia? |
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| Authors | ||
| Published in | Journal of pediatric endocrinology & metabolism. 1998, vol. 11, no. 6, p. 733-7 | |
| Abstract | In salt-losing congenital adrenal hyperplasia (CAH), continuous therapy with glucocorticoids and 9 alpha-fluorohydrocortisone (9 alpha-F) remains the golden rule. Previous reports showed a growth promoting effect of 9 alpha-F therapy. In addition, 9 alpha-F seemed to have a negligible glucocorticoid action. To confirm these facts, we analyzed the clinical data and the biological markers of control of therapy in two groups of patients with salt-losing CAH aged from 2 to 12 years: group I: before (time 0) and 6 months after the increase in 9 alpha-F dosage (time +6); group II: at time 0 and time +6 but without change in 9 alpha-F dosage. Groups were similar in terms of mean age, bone age and hydrocortisone dose. The mean dose of 9 alpha-F was 68.2 +/- 5.0 micrograms/m2/d at time 0 and was increased to 98.6 +/- 7.7 micrograms/m2/d at time +6 in group I; it remained similar in group II. In group I, height velocity decreased significantly from 8.1 +/- 0.6 at time 0 to 6.3 +/- 0.3 cm/yr at time +6 (p < 0.01) while in group II there was no significant change. In group I, plasma renin activity decreased from 10.4 +/- 1.6 at time 0 to 3.9 +/- 1.1 ng/ml/h at time +6 (p < 0.005) and showed no change in group II. These preliminary results suggest that careful monitoring of 9 alpha-F is essential to control a proper growth rate. | |
| Keywords | Adrenal Hyperplasia, Congenital/drug therapy/metabolism/pathology — Body Height/drug effects — Child — Child, Preschool — Dose-Response Relationship, Drug — Drug Monitoring — Female — Fludrocortisone/administration & dosage/therapeutic use — Hormones/blood — Humans — Male — Mineralocorticoids/administration & dosage/therapeutic use — Sodium Chloride/metabolism — Treatment Outcome | |
| Identifiers | PMID: 9829228 | |
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| Citation (ISO format) | AFONSO LOPES-PIMENTA, Maria De Lurdes et al. Should we monitor more closely the dosage of 9 alpha-fluorohydrocortisone in salt-losing congenital adrenal hyperplasia?. In: Journal of pediatric endocrinology & metabolism, 1998, vol. 11, n° 6, p. 733-7. doi: 10.1515/jpem.1998.11.6.733 https://archive-ouverte.unige.ch/unige:74631 |
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