An Extension Study of Long-term Efficacy, Safety and Tolerability of Remibrutinib in Chronic Spontaneous Urticaria Patients Who Completed Preceding Studies With Remibrutinib

Condition(s) studied

Investigational drug(s) / intervention(s)

LOU064 (blinded): LOU064 (blinded) active treatment

Placebo: Placebo

LOU064 (open label): LOU064 (open-label) active treatment

Study summary

The purpose of this extension study is to collect long-term efficacy, safety and tolerability data on remibrutinib in a selected group of participants with Chronic Spontaneous Urticaria (CSU) who previously completed the treatment phase of remibrutinib preceding Phase 3 core studies.

This study will also fulfill the Novartis commitment to provide post-trial access to participants who have completed the preceding Phase 3 studies, where applicable.

Eligibility

Primary outcome measure(s)

• Time to first composite event (i.e., relapse (UAS7≥16) — 24 weeks
  The efficacy of remibrutinib in CSU participants with a UAS7\<16 at Week 52 in the prior core study with respect to time to first of the three events: relapse or study treatment discontinuation due to lack of efficacy or intake of strongly confounding prohibited medication up to Week 24 compared to placebo. (Epoch 1) Time to first composite event (i.e., relapse (UAS7≥16), study treatment discontinuation due to lack of efficacy or intake of strongly confounding prohibited medication) during the randomized withdrawal period (Epoch 1) Urticaria Activity Score (UAS7) describes the number of hives with 0 being No Hives and 3 is most severe. The final score is calculated by adding together daily scores which can range from 0-6 for 7 days. The resulting maximum score is then 42.

Trial sites (208)

+ 168 more sites — see the full list on the official registry below.

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