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  • Title: A comparison of inhaled albuterol and cromolyn in the prophylaxis of exercise-induced bronchospasm.
    Author: Rohr AS, Siegel SC, Katz RM, Rachelefsky GS, Spector SL, Lanier R.
    Journal: Ann Allergy; 1987 Aug; 59(2):107-9. PubMed ID: 3113295.
    Abstract:
    Inhaled albuterol and cromolyn by spinhaler have both been shown to be effective in the treatment of exercise-induced bronchospasm. Eighty subjects with exercise-induced bronchospasm participated in a randomized parallel group study comparing albuterol (180 microgram) and cromolyn (20 mg) administered 15 minutes prior to a standardized treadmill challenge. The cromolyn group was restudied after 2 and 4 weeks of 4 times/day cromolyn therapy. The albuterol group was also studied at 2 and 4 weeks, but they only used their inhaler as needed between study visits. The mean maximum FEV1 drop post-exercise in the albuterol group improved from 33% (screening visit) to 6% (treatment day 1). The cromolyn group showed significantly less (P less than .01) improvement than the albuterol group (31% drop at the screening visit to 14% drop at treatment day 1). When 2 or 4 weeks of continuous cromolyn therapy was given in addition to a dosage 15 minutes prior to exercise, there was no significant difference compared with acute cromolyn administration alone. In summary, acute administration of albuterol was better prophylaxis for exercise-induced bronchospasm than acute or chronic cromolyn treatment.
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