Early Inhaled Glucocorticoid Therapy to Prevent Bronchopulmonary Dysplasia
Cynthia H. Cole, M.D., M.P.H., Theodore Colton, Sc.D., Bhavesh L. Shah, M.D., Soraya Abbasi, M.D., Brenda L. MacKinnon, R.N.C., Serkalem Demissie, M.P.H., and Ivan D. Frantz, M.D.
Background The safety and efficacy of inhaled glucocorticoidtherapy for asthma stimulated its use in infants to preventbronchopulmonary dysplasia. We tested the hypothesis that earlytherapy with inhaled glucocorticoids would decrease the frequencyof bronchopulmonary dysplasia in premature infants.
Methods We conducted a randomized, multicenter trial of inhaledbeclomethasone or placebo in 253 infants, 3 to 14 days old,born before 33 weeks of gestation and weighing 1250 g or lessat birth, who required ventilation therapy. Beclomethasone wasdelivered in a decreasing dosage, from 40 to 5 µg perkilogram of body weight per day, for four weeks. The primaryoutcome measure was bronchopulmonary dysplasia at 28 days ofage. Secondary outcomes included bronchopulmonary dysplasiaat 36 weeks of postmenstrual age, the need for systemic glucocorticoidtherapy, the need for bronchodilator therapy, the duration ofrespiratory support, and death.
Results One hundred twenty-three infants received beclomethasone,and 130 received placebo. The frequency of bronchopulmonarydysplasia was similar in the two groups: 43 percent in the beclomethasonegroup and 45 percent in the placebo group at 28 days of age,and 18 percent in the beclomethasone group and 20 percent inthe placebo group at 36 weeks of postmenstrual age. At 28 daysof age, fewer infants in the beclomethasone group than in theplacebo group were receiving systemic glucocorticoid therapy(relative risk, 0.6; 95 percent confidence interval, 0.4 to1.0) and mechanical ventilation (relative risk, 0.8; 95 percentconfidence interval, 0.6 to 1.0).
Conclusions Early beclomethasone therapy did not prevent bronchopulmonarydysplasia but was associated with lower rates of use of systemicglucocorticoid therapy and mechanical ventilation.
Source Information
From the Department of Pediatrics, Floating Hospital for Children at New England Medical Center and Tufts University School of Medicine, Boston (C.H.C., B.L.M., I.D.F.); the Department of Epidemiology and Biostatistics, Boston University School of Public Health, Boston (T.C., S.D.); the Division of Newborn Medicine, Baystate Medical Center Children's Hospital and Tufts University School of Medicine, Springfield, Mass. (B.L.S.); and the Division of Neonatology, Pennsylvania Hospital, Philadelphia (S.A.).
Address reprint requests to Dr. Cole at New England Medical Center, Box 84, 750 Washington St., Boston, MA 02111, or at cynthia.cole{at}es.nemc.org.
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