First Morning Pregnanetriol and 17-Hydroxyprogesterone Correlated Significantly in 21-Hydroxylase Deficiency.

Autor:	Itonaga T; Division of Endocrinology and Metabolism, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan.; Department of Pediatrics, Oita University Faculty of Medicine, Oita, Japan., Izawa M; Department of Pediatric Endocrinology and Metabolism, Aichi Children's Health and Medical Center, Aichi, Japan., Hamajima T; Department of Pediatric Endocrinology and Metabolism, Aichi Children's Health and Medical Center, Aichi, Japan., Hasegawa Y; Division of Endocrinology and Metabolism, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan.
Jazyk:	angličtina
Zdroj:	Frontiers in endocrinology [Front Endocrinol (Lausanne)] 2022 Jan 24; Vol. 12, pp. 808254. Date of Electronic Publication: 2022 Jan 24 (Print Publication: 2021).
DOI:	10.3389/fendo.2021.808254
Abstrakt:	Background: Biochemically monitoring 21-hydroxylase deficiency (21-OHD) is challenging. Serum/blood 17-hydroxyprogesterone (17OHP) measurements are normally used for this purpose. Urinary pregnanetriol (PT), a urinary metabolite of 17OHP, may also be used. Based on auxological data, we previously reported that the optimal first morning PT value fell in the range of 2.2-3.3 mg/gCr (95% confidence interval of the mean) and 0.59-6.0 mg/gCr (10 th - 90 th percentile) for monitoring 21-OHD treatment. No report thus far has directly compared the first morning urinary PT value with the 17OHP value at various times during the day. Objective: To explore the correlation between the first morning urinary PT value before glucocorticoid administration and the serum/blood 17OHP value at three time points, namely, before and two and four hours after glucocorticoid administration. Design: This was a prospective study done at two children's hospitals. Methods: In total, 25 patients with 21-OHD aged 3-25 years were recruited. Their urinary PT levels and 17OHP levels were measured for three days within a total period of one week. The first morning PT value was collected on all three days. Dried blood spots and serum were used to measure 17OHP. Results: The range for the first morning PT value for all the samples (n=69) was 0.10-56.1 mg/gCr. A significant, positive correlation was found between the first morning PT and 17OHP values before medication (r=0.87, p<0.01), and weaker correlation was observed between the first morning PT and 17OHP values after medication. Conclusions: The first morning PT correlated more significantly with 17OHP before the morning medication. Measuring the first morning PT value may be more practical and useful for monitoring 21-OHD biochemically. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (Copyright © 2022 Itonaga, Izawa, Hamajima and Hasegawa.)
Databáze:	MEDLINE
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