# A Study for Observing Severe Asthma in Patients Treated With Tezepelumab

> **NCT05677139** · — · COMPLETED · sponsor: **AstraZeneca** · enrollment: 513 (actual)

## Conditions studied

- Asthma

## Interventions

- **OTHER:** None (Observational Study)

## Key facts

- **NCT ID:** NCT05677139
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-12-13
- **Primary completion:** 2026-02-27
- **Final completion:** 2026-02-27
- **Target enrollment:** 513 (ACTUAL)
- **Last updated:** 2026-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05677139

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05677139, "A Study for Observing Severe Asthma in Patients Treated With Tezepelumab". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05677139. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*