Black Individuals With Asthma May Not Benefit From Improved Inhaled Corticosteroid

by Reshma Anand on  October 29, 2015 at 5:44 PM Respiratory Disease News
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Adding a long-acting beta-agonist (LABA) may not improve rate of asthma exacerbation among black adults when treated with an inhaled corticosteroid (ICS), revealed a new study.
Black Individuals With Asthma May Not Benefit From Improved Inhaled Corticosteroid
Black Individuals With Asthma May Not Benefit From Improved Inhaled Corticosteroid

The study published in the Journal JAMA compared the effects of a long-acting beta-agonist with the anticholinergic tiotropium that are added to asthma patients with poor asthma control on low-dose ICS. The study was led by Michael E. Wechsler, of National Jewish Health and Denver, and Elliot Israel of Brigham and Women's Hospital.

They conducted the study on black adults suffering from moderate to severe asthma. Patients were administered with ICS plus either once-daily tiotropium or twice-daily LABAs. They were followed for 18 months and also underwent genetic testing.

The results found that LABA + ICS was not superior to tiotropium + ICS for secondary outcomes and black individuals may not benefit from LABAs to the same degree as individuals of other races.

"These findings do not support the superiority of LABA + ICS compared with tiotropium + ICS for black patients with asthma. Although we could not detect a difference in exacerbations between either combination therapy, we found that, despite combination therapy, this population experienced a high rate of exacerbation. Additional targeted interventions and further study are needed to reduce the rate of asthma exacerbation in this population," wrote the authors.

Source: Medindia

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