Related Experiment Video

Updated: Sep 16, 2026

Fecal Glucocorticoid Analysis: Non-invasive Adrenal Monitoring in Equids
08:02

Fecal Glucocorticoid Analysis: Non-invasive Adrenal Monitoring in Equids

Published on: April 25, 2016

Blood-spot 17-hydroxyprogesterone daily profiles in infants with congenital adrenal hyperplasia

J Sólyom1, E Hosszu, G Gács

  • 12nd Department of Paediatrics, Semmelweis University Medical School, Budapest, Hungary.

Experimental and Clinical Endocrinology
|September 1, 1990
PubMed

Insights

Monitoring infants with congenital adrenal hyperplasia using blood spot 17-hydroxyprogesterone profiles offers a practical approach. Optimal control is indicated by levels between 50-150 nmol/l, avoiding overtreatment or poor disease management.

Area of Science:

  • Pediatric Endocrinology
  • Biochemistry
  • Genetics

Background:

  • Congenital adrenal hyperplasia (CAH) is a group of genetic disorders affecting the adrenal glands.
  • 21-hydroxylase deficiency is the most common form of CAH, leading to hormonal imbalances.
  • Glucocorticoid therapy is essential for managing CAH, but requires careful monitoring.

Purpose of the Study:

  • To determine optimal blood levels of 17-hydroxyprogesterone for monitoring glucocorticoid treatment in infants with 21-hydroxylase deficiency.
  • To assess the relationship between blood 17-hydroxyprogesterone levels and serum testosterone concentrations.
  • To evaluate the utility of daily blood spot 17-hydroxyprogesterone profiles for assessing treatment control.

Main Methods:

  • Study included 20 infants diagnosed with 21-hydroxylase deficiency.
  • Repeated daily blood spot 17-hydroxyprogesterone levels were measured to monitor therapy.
  • Serum testosterone concentrations were measured and correlated with 17-hydroxyprogesterone levels.

Main Results:

  • Poor control was indicated by wide fluctuations and mean daily 17-hydroxyprogesterone levels >150 nmol/l.
  • Normal serum testosterone levels in females were achieved with 17-hydroxyprogesterone levels between 50-150 nmol/l.
  • Overtreatment was suggested by low circadian variation and mean daily levels <50 nmol/l.

Conclusions:

  • Daily blood spot 17-hydroxyprogesterone profiles are a practical and effective method for monitoring infants with CAH.
  • Targeting blood 17-hydroxyprogesterone levels between 50-150 nmol/l appears to optimize glucocorticoid therapy in this population.
  • This monitoring approach helps prevent both undertreatment and overtreatment, improving patient outcomes.

More Related Videos

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome08:20

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome

Published on: October 2, 2018

Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants06:39

Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants

Published on: June 13, 2021

Related Concept Videos

Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...