Constitutional delay of growth and pubertal development: growth hormone secretory pattern and possible therapy

Area of Science:

• Pediatric Endocrinology
• Growth and Development Disorders

Background:

• Constitutional delay of growth and puberty (CDGP) is a common cause of short stature in children.
• These children exhibit delayed skeletal maturation and pubertal onset but usually achieve normal adult height.
• The underlying endocrine status, particularly growth hormone (GH) secretion, in CDGP remains a subject of investigation.

Purpose of the Study:

• To review the current understanding of growth hormone secretory status in children with CDGP.
• To discuss the implications of recent findings on GH secretion for therapeutic interventions.

Main Methods:

• Literature review of studies investigating growth hormone and somatomedin C levels in children with CDGP.
• Analysis of conflicting reports on GH secretion in response to provocative stimuli and during sleep.
• Comparison of GH secretory profiles in CDGP patients versus control populations.

Main Results:

• Conflicting evidence exists regarding GH secretion in CDGP; some studies report diminished GH levels and low somatomedin C, while others find normal GH secretion.
• Discrepancies in findings may relate to methodologies used for assessing GH secretion.
• The clinical significance of these varied findings for predicting adult height and guiding therapy is unclear.

Conclusions:

• The growth hormone secretory status in children with constitutional delay of growth and puberty is controversial.
• Further research is needed to clarify GH secretion patterns and their impact on therapeutic decisions.
• Understanding these nuances is crucial for optimizing management strategies for short stature in CDGP.