[Role of IgE in the study of the allergic risk of the young child (author's transl)]. / Contribution des IgE à l'étude du risque allergique chez le jeune enfant.

Cord blood IgE were determined by using the PRIST and the RAST techniques in 123 cases. The RAST assay was never positive. Total IgE were detectable in 34% of the samples; statistically increased levels were found in babies born from allergic mothers and/or when the mothers were treated with progesterone during their gestation.

Comparison of cord blood immunoglobulin E concentrations and maternal allergy for the prediction of atopic diseases in infancy.

Total serum IgE levels were determined in 136 newborns and their mothers and in 54 of their fathers, using the paper radioimmunosorbent test (PRIST) technique. IgE specific antibodies for house dust (Dermatophagoides pteronyssinus), orchard grass, timothy grass, and cow's milk were measured with the radioallergosorbent test (RAST). One hundred thirty-three RAST assays were negative in newborns, and in three cases RAST for cow's milk was positive. Cord blood IgE ranged from 0 to 5.5 IU/ml (mean 0.32 +/- 0.54 IU/ml); levels were significantly (p less than 0.05) higher when maternal IgE was over 100 IU/ml and when mothers had received progesterone therapy during the pregnancy. Salbutamol administration or tobacco smoking during pregnancy did not influence newborn IgE. A clinical follow-up study was conducted in 83 infants for 9 mo. Nine infants developed definite atopic disease, and possible allergic diseases were noted in eight other infants. The IgE level at birth appeared to be more predictive for the development of allergy in infancy than the family history.

Prevention of pollen rhinitis symptoms: comparison of fluticasone propionate aqueous nasal spray and disodium cromoglycate aqueous nasal spray. A multicenter, double-blind, double-dummy, parallel-group study.

Fluticasone propionate aqueous spray, a new intranasal corticosteroid preparation, and disodium cromoglycate 2% aqueous nasal spray, an established preventive treatment for seasonal allergic rhinitis, were compared in a double-blind, double-dummy, parallel-group, multicentric study in France. A total of 218 patients with seasonal allergic rhinitis caused by grass pollen (verified by positive skin prick test) were preventively treated before the onset of the grass pollen season with either fluticasone propionate 200 micrograms once daily or disodium cromoglycate 5.2 mg four times daily. Half of these doses was given in each nostril. Treatment started before the onset of the pollen season in most patients (178/218). Diary cards, including symptoms of rhinitis and usage of nasal sprays, were filled in twice daily for 6 weeks. Terfenadine in 60-mg tablets and eye-drops could be used as rescue medications. We treated 110 patients with fluticasone propionate and 108 patients with disodium cromoglycate. Patients treated with fluticasone propionate had significantly more days free of primary efficacy symptoms of sneezing (P < 0.001) and nasal discharge during the day (P = 0.002), as well as free of all the other nasal symptoms (P < 0.01), and significantly lower median scores (P < 0.05) for all nasal symptoms except nasal discharge than patients treated with disodium cromoglycate. There was no difference in eye symptoms or in rescue medication use between the two groups. Compliance with the treatment was assessed.(ABSTRACT TRUNCATED AT 250 WORDS)