# Role of Parasympathetic Activity in Mild to Severe Asthma With Fixed Airway Obstruction (PARASMA Study)

> **NCT05550402** · NA · UNKNOWN · sponsor: **Hat Yai Medical Education Center** · enrollment: 60 (estimated)

## Conditions studied

- Asthma
- Airway Obstruction
- Airway Remodeling
- Parasympathetic Nervous System Diseases

## Interventions

- **DRUG:** Salbutamol
- **DRUG:** Ipratropium Bromide
- **DRUG:** Salbutamol plus Ipratropium Bromide
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT05550402
- **Lead sponsor:** Hat Yai Medical Education Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2024-02-17
- **Primary completion:** 2024-06-01
- **Final completion:** 2024-06-30
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2024-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05550402

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05550402, "Role of Parasympathetic Activity in Mild to Severe Asthma With Fixed Airway Obstruction (PARASMA Study)". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05550402. Licensed CC0.

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