# Clinical Characteristics and Treatment of Chest Tightness Variant Asthma

> **NCT04322422** · NA · UNKNOWN · sponsor: **Second Affiliated Hospital, School of Medicine, Zhejiang University** · enrollment: 300 (estimated)

## Conditions studied

- Asthma
- Chest Syndrome
- Clinical Anxiety
- Clinical Depression
- Lung Function
- Quality of Life
- Eosinophilia
- Nitric Oxide
- Airway Responsiveness
- Induced Sputum

## Interventions

- **DRUG:** Inhaled corticosteriod/long-acting beta-agonist plus Montelukast
- **DRUG:** Inhaled corticosteriod/long-acting beta-agonist only

## Key facts

- **NCT ID:** NCT04322422
- **Lead sponsor:** Second Affiliated Hospital, School of Medicine, Zhejiang University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-01
- **Primary completion:** 2022-07-01
- **Final completion:** 2022-12-31
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2020-05-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04322422

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04322422, "Clinical Characteristics and Treatment of Chest Tightness Variant Asthma". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04322422. Licensed CC0.

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