Geneva, Feb. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600117095) titled 'The Potential Mechanisms of Efficacy Variability of Omalizumab in Chronic Spontaneous Urticaria and the Heterogeneity of IgE: Analysis of the BCR Immune Repertoire' on Jan. 20.

Study Type: Observational study

Study Design: Cross-sectional

Primary Sponsor: Huashan Hospital, Fudan University

Condition: Chronic Spontaneous Urticaria

Intervention: Non-disease-controlled study participants:None Group of CSU patients unresponsive to antihistamines (CSU patients with total IgE >= 40 IU/mL who are unresponsive to antihistamines and receiving omalizumab):None

Recruitment Status: Recruiting

Phase: N/A

Date of Fi...