Conditions: Asthma
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 374
Healthy volunteers: no

Brief summary:
The purpose of the study is to evaluate the clinical efficacy of three doses of VR506 delivered via a new dry powder inhaler for the treatment of asthma.

Detailed description:

Arms:
arm 1: None arm 2: None arm 3: None arm 4: None

Interventions: intervention 1: VR506 intervention 2: Placebo
Intervention descriptions: intervention 1: VR506 inhalation powder delivered via a new dry powder inhaler intervention 2: Placebo delivered via a new dry powder inhaler

Protocol document: