(HealthDay)—For patients after allogeneic hematopoietic stem cell transplant (HSCT), early administration of azithromycin is associated with worse airflow decline-free survival, according to a study published in the Aug. 8 issue of the Journal of the American Medical Association. Anne Bergeron, M.D., Ph.D., from the Hôpital Saint-Louis in Paris, and colleagues randomized patients to receive azithromycin or placebo three...