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  • Title: Pulmonary and endocrine function before and after therapy with cromolyn sodium in asthma. Studies in steroid-dependent and nonsteroid-dependent asthmatic children and adolescents.
    Author: Shapiro GG, Tattoni DS, Kelley VC, Graham CB, Pierson WE, Bierman CW.
    Journal: Chest; 1978 Mar; 73(3):341-7. PubMed ID: 415844.
    Abstract:
    This study evaluated growth, chest radiographic manifestations, pulmonary function, and function of the pituitary-adrenal axis before and after therapy with cromolyn sodium in two groups of asthmatic youngsters, ie, 18 steroid-dependent patients and ten nonsteroid-dependent patients. The following three groups evolved: (1) steroid-dependent patients; (2) patients weaned from therapy with steroids; and (3) nonsteroid-dependent patients. Growth failure and cataracts were limited to the steroid-dependent group, while abnormalities of the lungs and pituitary-adrenal axis occurred in all three groups. Symptomatic benefits from therapy with cromolyn were striking for all groups. Chest x-ray films and the distribution of alveolar ventilation were more likely to reflect this clinical improvement than tests of pulmonary function and analyses of blood gas levels. Endocrine abnormalities in the steroid-dependent group were significant and were not quickly reversed by withdrawal of therapy with steroids. Even nonsteroid-dependent patients had abnormalities which may be related to having chronic asthma. Therapy with cromolyn seemed to promote some restoration of the function of the pituitary-adrenal axis, as indicated by better responsiveness to administration of metyrapone, which correlated with improved symptomatic control of asthma.
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