Overview
The purpose of this study is to compare the efficacy and safety of ICP-332 in moderate to severe chronic spontaneous urticaria subjects inadequately controlled by second generation H1-antihistamines
Eligibility
Inclusion Criteria:
- 1\. Men and women aged 18 to 75 years.
- 2\. Diagnosis of CSU inadequately controlled by second generation H1-antihistamines.
- 3\. CSU duration for ≥ 6 months prior to randomization.
- 4\. Before initiating any screening or study-specific procedures, the subject must voluntarily sign the informed consent form.
Exclusion Criteria:
- 1\. Having the other medical conditions related to CSU or other skin diseases/conditions.
- 2\. Potential medical conditions or issues.
- 3\. Pregnant female subjects or lactating female subjects.
- 4\. The investigator determines that the subject is unsuitable for participating in this study for any reason.


