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A multicenter, double-blind, placebo-controlled, randomized withdrawal and open-label extension study followed by long-term open-label treatment cycles to assess the efficacy, safety and tolerability of remibrutinib (LOU064) in adult chronic spontaneous urticaria patients who completed the preceding remibrutinib Phase 3 studies

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

Maruyama Hideki

Novartis Pharma. K.K.

Toranomon Hills Mori Tower 23-1, Toranomon 1-chome Minato-ku, Tokyo 105-6333, Japan

rinshoshiken.toroku@novartis.com

Maruyama Hideki

Novartis Pharma. K.K.

Toranomon Hills Mori Tower 23-1, Toranomon 1-chome Minato-ku, Tokyo 105-6333, Japan

+81-120-003-293

rinshoshiken.toroku@novartis.com

Not Recruiting

Dec. 14, 2022

Interventional

randomized controlled trial

double blind

placebo control

parallel assignment

treatment purpose

- Written informed consent must be obtained before any assessment is performed.
- Male and female, adult participants >=18 years of age.
- Participants who successfully completed the preceding core studies CLOU064A2301, CLOU064A2302, CLOU064A1301, CLOU064A2304 or CLOU064A2305 according to the respective protocols.
- Willing and able to adhere to the study protocol and visit schedule.

- Significant bleeding risk or coagulation disorders.
- History of gastrointestinal bleeding.
- Requirement for anti-platelet medication.
- Requirement for anticoagulant medication.
- History or current hepatic disease.
- Evidence of clinically significant cardiovascular, neurological, psychiatric, pulmonary, renal, hepatic, endocrine, metabolic, hematological disorders, gastrointestinal disease or immunodeficiency that, in the investigator's opinion, would compromise the safety of the participant, interfere with the interpretation of the study results or otherwise preclude participation or protocol adherence of the participant.

Both

chronic spontaneous urticaria

Drug A : LOU064 Oral (blinded) or LOU064 (open label)
LOU064 (blinded) taken orally for 24 weeks, followed by cycles of either LOU064 (open-label) taken orally for a maximum of 5 cycles of 24 weeks each OR treatment-free observation cycles.

Drug B : Placebo Oral or LOU064 (open label)
LOU064 placebo (blinded) taken orally for 24 weeks, followed by cycles of either LOU064 (open-label) taken orally for a maximum of 5 cycles of 24 weeks each OR treatment-free observation cycles

Drug C: LOU064 Oral (open-label)
LOU064 (open-label) taken orally for 24 weeks per treatment cycle

Time to first composite event (i.e., relapse (UAS7>=16) [ Time Frame: 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)

Nov. 14, 2022

Yes

Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent expert panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations. This trial data is currently available according to the process described on www.clinicalstudydatarequest.com.

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