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Evaluation of copeptin in children after stimulation with clonidine or L-Dopa.

J Pediatr Endocrinol Metab

May 2024

Department of Pediatrics, Division of Endocrinology, Medical School, 69182 University of Patras, Patras, Greece.

Objectives: Arginine-stimulated serum copeptin has been proposed as a new method to diagnose arginine vasopressin (AVP) deficiency in children and adolescents. Herein we investigated the secretagogic potential of clonidine or L-Dopa on the copeptin serum levels in children.

Methods: Eight stimulation tests (4 with clonidine and 4 with L-Dopa) were performed in eight children (5 boys and 3 girls) with a median age of 6.

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