The aim of this multi-centre prospective study was to evaluate the efficacy, tolerability, and safety of the combination of sodium cromoglycate (SCG) and salbutamol (administered as a nebulized solution), compared to SCG alone and salbutamol alone, in the management of severe, intractable asthma in childhood. The study was an open, randomized, cross-over trial of 12 weeks' duration in children with moderate-to-severe intractable asthma. All treatments were administered twice daily by powered nebulizer. The primary outcome measure was the change in asthma severity, as measured by the mean asthma score during the last 2 weeks of a baseline period and the last 2 weeks of each treatment. Secondary outcome measure was the patient's opinion of the effectiveness of treatment. The change in asthma scores from baseline values were significantly greater with the combination treatment compared to each component administered separately. The mean difference in asthma score between the combination and salbutamol was: -7.5; 95% CI, -11.70 to -3.29 (p < 0.0001). The mean difference between the combination and SCG was: -8.53; 95% CI, -14.03 to -3.25 (p < 0.0001). Patients were also significantly in favor of combination treatment (p < 0.001 vs. salbutamol; p < 0.01 vs. SCG). Two patients reported adverse effects. We concluded that regular twice-daily inhalation of a combination of SCG and salbutamol gave better control of symptoms than previous treatments in patients with severe, intractable asthma. Few adverse effects with this therapy suggest that it is extremely useful, safe, and effective.
In Japan, the prevalence of food allergy has been increasing and a variety of problems have emerged regarding what should be considered a food allergy. A treatment regimen consists of avoiding the offending food (elimination diet therapy) and receiving nourishment from alternative foods (substitutional diet therapy). There is a growing concern that confusion has resulted from the lack of a consensus on the procedures for diagnosing and treating food allergies. The Food Allergy Committee of the Japanese Society of Pediatric Allergy and Clinical Immunology established the "Guidelines for Diagnosis and Management of Pediatric Food Allergy." Definition, classification, pathophysiology, clinical disorders and management of food allergy are discussed and determined.
If treating ICS-untreated school-aged asthmatic children with uncontrolled symptoms, ICS monotherapy can improve CTS along with improving asthma control.
Venipuncture testing of adrenocortical function in asthmatic infants and young children receiving inhaled corticosteroids can raise cortisol levels and mask physiological responses. This study aimed to establish reference ranges for salivary cortisol levels and evaluate the safety and effects of jet-nebulized budesonide inhalation suspension (BIS) on salivary cortisol levels and patient outcomes in infants and young children with mild or persistent asthma. Reference salivary cortisol levels were determined in healthy children aged 6 months to 4 years old. A 12-week multicenter, randomized, parallel-group, open-label study was performed involving 53 age-matched asthmatic children who received either 0.5 mg/day of BIS or 40-60 mg/day of cromolyn sodium inhalation suspension (CIS) via compressor nebulizer. The effective measuring range of salivary cortisol concentration in asthmatic children was 0.12-3.00 micrograms/dL. The upper and lower limits of the reference range were 0.827 and 0.076 micrograms/dL, respectively. No significant difference was seen from baseline through week 12 in the CIS and BIS groups. BIS was safe in these patients, with no inhibitory effects on adrenocortical function. Salivary cortisol measurement offers a useful and accurate tool for testing adrenocortical function in infants and young children. Longer-term studies that incorporate testing of the hypothalamic-pituitary-adrenal axis are warranted to confirm our findings.
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