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Positive results for airway bypass
Date:10/9/2007

lation) at 6 months. The goal was for a 300mL reduction in RV. Overall the trial surpassed that goal with a 400mL improvement in RV over baseline at 6 months (p=0.04). Patients also showed a statistically significant improvement in the modified Medical Research Council Dyspnea Scale (mMRC), a breathlessness test, of -0.5 points (p= 0.025). Retrospective analysis revealed that patients with the most severe hyperinflation of their lungs (as determined by a residual volume to total lung capacity ratio above the median) derived the greatest benefit from airway bypass. At 6 months after the procedure, these patients showed a mean improvement in RV of 870mL (p=0.022).

The management of emphysema poses a difficult challenge for the medical community as the disease progressively deprives patients of their ability to perform daily activities. These findings are encouraging because there are so few options for the millions patients who suffer from this disease, states Paulo F.G. Cardoso, M.D., Ph.D, Division of Thoracic Surgery, Santa Casa de Porto Alegre-Pavilhao Pereira Filho Hospital, Brazil and lead author of the paper. These results reveal significant improvements in pulmonary function and reduction in breathing difficulties out to six months and indicate that airway bypass is a potentially viable therapeutic option for patients with marked severe pulmonary destruction, whose only current option may be to wait for a lung transplant.

The data from this study are very exciting, as they help build the case that airway bypass might reduce hyperinflation and have long-term benefit, states Cary Cole, CEO of Broncus. We hope to continue this success with the current, pivotal EASE Trial, our largest clinical study to date.


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Contact: Meghan Oreste
moreste@comcast.net
617-823-1441
Broncus Technologies
Source:Eurekalert

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