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Published on: August 7, 2017
No effect of fluticasone propionate on linear growth in preschool children with asthma
Iva M Stefanovic1, Eva Verona1, Biserka Cicak1
1Department of Pediatrics, University Hospital Sestre Milosrdnice, Vinogradska, Zagreb, Croatia.
Insights
Fluticasone propionate (FP) at 100-200 µg daily did not impact linear growth or adrenal function in preschool children with asthma. Further long-term studies are needed to confirm these findings.
Area of Science:
- Pediatric Pulmonology
- Pediatric Endocrinology
Background:
- Asthma affects 80% of children before age 5.
- Inhaled corticosteroids (ICS) may reduce growth and suppress adrenal function.
- Limited research exists on ICS effects in preschool asthmatics.
Purpose of the Study:
- To evaluate the impact of fluticasone propionate (FP) on linear growth.
- To assess FP's effect on the hypothalamic-pituitary-adrenal (HPA) axis in young children.
Main Methods:
- 28 children (18-52 months) with persistent asthma received FP (100-200 µg/day) for 1 year.
- Height was measured quarterly; serum ACTH and cortisol levels were assessed at baseline and end.
- Patients were grouped by asthma control: well-controlled (Group 1) vs. poorly controlled (Group 2).
Main Results:
- No statistically significant difference in height standard deviation score (SDS) change between groups.
- Average cortisol and ACTH levels showed no significant changes at study's end.
- Duration of FP use did not differ significantly between the two groups.
Conclusions:
- Low-dose FP (100-200 µg/day) appears safe for linear growth and HPA axis function in preschool asthmatics.
- Long-term follow-up is recommended to confirm sustained safety.
- The study suggests a favorable safety profile for FP in this age group at the studied dosage.
Background:
Eighty percent of asthmatic children develop asthma symptoms by the age of 5 years. Inhaled corticosteroids (ICS), depending on dosage, may cause linear growth reduction and adrenal gland suppression. There are few studies about linear growth of preschool children with asthma. The aim of the present study was to investigate whether there is any effect of fluticasone propionate (FP) on linear growth and adrenal gland function.
Methods:
Twenty-eight children aged 18-52 months with persistent asthma receiving ICS FP 100-200 µg daily were studied for 1 year. Patients were divided into two groups according to clinical parameters: well (group 1) and poorly controlled (group 2). Height was measured every 3 months and expressed as height standard deviation score (SDS). Cumulative dose of FP expressed in mg was calculated for every patient. Early morning levels of serum adrenocorticotropic hormone (ACTH) and cortisol were assessed at the beginning and at the end of the study.
Results:
Patients took FP for an average of 11 months in group 1 and 16 months in group 2, which was not statistically significantly different. At the end of the study height SDS difference was -0.0143 in group 1 and -0.2000 in group 2, which was not statistically significantly different (t= 0.6072, P= 0.5489). There was also no statistically significant difference for average cortisol (P= 0.4381) or ACTH (P= 0.5845) concentration at the end of the study.
Conclusion:
FP 100-200 µg daily had no effect on linear growth or on the hypothalamic-pituitary-adrenal gland axis but further follow up is necessary.
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