# Real-life Study of How to Intensify Treatment With Xolair (OMALIZUMAB) in Chronic Spontaneous Urticaria

> **NCT04583475** · — · COMPLETED · sponsor: **University Hospital, Lille** · enrollment: 163 (actual)

## Conditions studied

- Spontaneous Urticaria, Chronic

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04583475
- **Lead sponsor:** University Hospital, Lille
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-25
- **Primary completion:** 2023-06-22
- **Final completion:** 2023-06-22
- **Target enrollment:** 163 (ACTUAL)
- **Last updated:** 2025-12-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04583475

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04583475, "Real-life Study of How to Intensify Treatment With Xolair (OMALIZUMAB) in Chronic Spontaneous Urticaria". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04583475. Licensed CC0.

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