Task: Answer Verification
Input (English): Question: Does oral Low-dose Theophylline on Top of Inhaled Fluticasone-Salmeterol Reduce Exacerbations in Patients With Severe COPD : A Pilot Clinical Trial?
Answer: The combination of low-dose oral theophylline and ICS did not enhance the antiinflammatory properties of ICS in vivo or influence exacerbation rate.
Output (English): no