A Study to Evaluate Conceptual Saturation of Evaluating Respiratory Symptoms (E-RS) in Subjects With Asthma

Condition:   Asthma Interventions:   Other: Telephonic interviews;   Other: E-RS: COPD;   Other: Supplemental asthma items;   Other: Daily diary;   Other: Sociodemographic questionnaire;   Other: Clinical questionnaire Sponsors:   GlaxoSmithKline;   Evidera Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials