- A negative pregnancy test result was required for non-menopausal female patients. In female patients of childbearing potential a urine pregnancy test was done at baseline and any pregnant women were excluded. Other exclusion criteria included impaired hepatic enzyme tests, impaired renal function, chronic/recurrent infection (e.g., chronic bronchitis, recurrent sinusitis), other infections(e.g., Borrelia burgdorferi, Chlamydia trachomatis, Ureaplasma) , history of adverse reactions to macrolides, roxithromycin, or similar antibiotics.