# AIR2 Extension Study to Demonstrate Longer-term (> 1 Year) Durability of Effectiveness

> **NCT01350414** · — · COMPLETED · sponsor: **Boston Scientific Corporation** · enrollment: 181 (actual)

## Conditions studied

- Asthma

## Interventions

- **DEVICE:** Bronchial Thermoplasty with the Alair System

## Key facts

- **NCT ID:** NCT01350414
- **Lead sponsor:** Boston Scientific Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2005-10
- **Primary completion:** 2012-09
- **Final completion:** 2012-12
- **Target enrollment:** 181 (ACTUAL)
- **Last updated:** 2016-09-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01350414

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01350414, "AIR2 Extension Study to Demonstrate Longer-term (> 1 Year) Durability of Effectiveness". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01350414. Licensed CC0.

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