# Observational Study of Characteristics, Treatment and Outcomes With Severe Asthma in the United States (CHRONICLE)

> **NCT03373045** · — · COMPLETED · sponsor: **AstraZeneca** · enrollment: 18 (actual)

## Conditions studied

- Asthma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03373045
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-02-27
- **Primary completion:** 2025-02-14
- **Final completion:** 2025-02-14
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2025-09-24

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03373045

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03373045, "Observational Study of Characteristics, Treatment and Outcomes With Severe Asthma in the United States (CHRONICLE)". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03373045. Licensed CC0.

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