PBF-680

First-in-human Study To Assess the Safety and Tolerability of PBF-680 in Male Healthy Volunteers

Study to Assess the Safety, Tolerability and Pharmacokinetic Profile of PBF-680 After Multiple Oral Doses

A Study to Assess the Efficacy of a 5-day, 10- mg PBF-680 Oral Administration on Late Asthmatic Responses (LAR) in Mild to Moderate Asthmatic Patients.

Study to Investigate the Effect of PBF-680 on Forced Expiratory Volume in 1 Second (FEV1) in Asthmatic Patients