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  • Title: Estradiol in severe asthma with premenstrual worsening.
    Author: Ensom MH, Chong G, Beaudin B, Bai TR.
    Journal: Ann Pharmacother; 2003 Nov; 37(11):1610-3. PubMed ID: 14565797.
    Abstract:
    OBJECTIVE: To describe the beneficial effects of estradiol in a severely asthmatic woman with premenstrual worsening of asthma. CASE SUMMARY: A 50-year-old white woman, with a 14-year history of severe steroid-dependent asthma and monthly premenstrual worsening of asthma, was randomized to receive estradiol 2 mg or placebo for 6 days during the late luteal phase (days 23-28) of 2 successive menstrual cycles. Despite greater prednisone and inhaled beta-agonist use during the late luteal phase of the placebo cycle, the patient exhibited improved asthma symptoms, pulmonary function, and peak expiratory flows, as well as lower values for biomarkers of airway inflammation during the same time period of the estradiol cycle. DISCUSSION: This subject's response to estradiol was in contrast to results of a randomized, controlled trial involving patients with predominantly mild asthma under excellent control. The discrepant observations for this case versus the majority of subjects in the randomized, controlled study suggest that premenstrual asthma (PMA) and a beneficial response to estradiol may be more likely in women with severe asthma. CONCLUSIONS: The administration of estradiol during the late luteal phase of the menstrual cycle to a woman with severe asthma with PMA was associated with improved asthma symptoms, pulmonary function, and peak expiratory flows, and lower serum eosinophil protein X and urinary leukotriene E(4) biomarker concentrations. Thus, estradiol's potential role in women with severe asthma and PMA may warrant further exploration in this subgroup.
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