Study Description
This is a Phase 3, parallel group, placebo-controlled, double-blind, confirmatory study
in patients with CINDU, with an optional Open-label Extension (OLE).
The purpose of the core period (52 weeks of treatment) of this study is to evaluate the
efficacy, safety, and tolerability of remibrutinib (LOU064) vs. placebo in adults
suffering from CINDU inadequately controlled by H1-antihistamines (H1-AHs).
The purpose of the OLE period is to collect long-term efficacy, safety, and tolerability
data on remibrutinib in participants after having completed the Core period This study consists of a core and extension periods.
The Core period (6 arms) has a total duration of up to 60 weeks including a double-blind
placebo-controlled treatment period until Week 24 followed by open-label treatment with
remibrutinib up to Week 52. The primary endpoint for all CINDU subtypes is assessed at
Week 12.
The Core period consists of:
- Screening period (up to 4 weeks): During the screening period, participants who have
provided informed consent will be assessed for study eligibility.
- Double-blind, placebo-controlled treatment period (24 weeks): 24 weeks of
double-blind treatment with remibrutinib or placebo.
- Open-label treatment period (28 weeks): 28 weeks of open-label treatment with
remibrutinib.
- Follow-up period: 4 weeks of treatment free follow-up. The open-label extension
period consists of observation and treatment period. At the end of the core period
of the study, if participants continue to experience symptoms, they will transition
to the treatment period in OLE. If they do not experience symtpoms they will
transition to the observation period in the OLE.
The duration of the Open-label Extension period will be approximately 3 years where
participants can switch from observation to treatment depending on if they start
developing symptoms. Only those participants participating in the Open-label Extension
Treatment period will receive remibrutinib. The participants in the Open-label Extension
Observation period will not receive remibrutinib
Interventions
Placebo
Remibrutinib
Eligibility Criteria
Inclusion Criteria for core period:
1. Male and female participants ≥18 years of age at the time of signing of the ICFs
2. Confirmed CINDU diagnosis (as per guidelines) for symptomatic dermographism, cold
urticaria or cholinergic urticaria for ≥ 4 months (defined as onset of CINDU with
supporting documentation (e.g medical record, clinical history, photographs)) and
inadequate control with H1-AH at local label approved doses at the time of
randomization
3. The following response to the provocation test for each subtype is required at the
randomization visit :
- Symptomatic Dermographism: A Total Fric Score of ≥3 using the FricTest® 4.0 and
a numerical rating scale score of ≥5 for itch after the provocation test.
- Cold Urticaria: A Critical Threshold Temperature of ≥15°C using the TempTest®
4.0 and a numerical rating scale score of ≥5 for itch after the provocation
test.
- Cholinergic Urticaria: A physician global assessment of severity of hives ≥ 2
using the Pulse-controlled ergometry test and a numerical rating scale score of
≥5 for itch after the provocation test.
4. Cold Urticaria: Positive ice-cube test resulting in hives at the provocation site
for participants at Screening.
5. Cholinergic urticaria: Participants must show sweating in performing the
pulse-controlled ergometry test on day of randomization. Participants with
anhidrosis must not be included.
Inclusion criteria for the OLE:
1. Participants who have completed the Core period up to Week 52 and are willing to
enter the OLE period
Exclusion Criteria for core period:
-
1. Previous use of remibrutinib or other BTK inhibitors.
2. Participants who have concomitant CSU at screening. Participants with resolved CSU
at the time of screening can be included in the study.
3. Participants who have a familial form (e.g familial cold autoinflammatory syndrome,
familial cold urticaria) of the target CINDU that is being considered for the
participant's inclusion in this study.
4. Participants having a more defined other form of inducible urticaria than the target
CINDU that is being considered for the participant's inclusion in this study.
5. Diseases, other than chronic inducible urticaria, with urticaria or angioedema
symptoms including but not limited to urticarial vasculitis, erythema multiforme,
cutaneous mastocytosis (urticaria pigmentosa) and hereditary or acquired angioedema
6. Any other skin disease associated with chronic itching that might influence, in the
investigator's opinion, the study evaluations and results (e.g., atopic dermatitis,
bullous pemphigoid, dermatitis herpetiformis, senile pruritus, etc.) or skin
diseases associated with only wheals and no itch e.g asymptomatic dermographism
There are no exclusion criteria for OLE
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Rosario,Santa Fe,2000,Argentina
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Tianjin,300052,China
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Wuxi,Jiangsu,214002,China
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Nanjing,210042,China
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Yi Wu,Zhejiang,322000,China
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Rouen,76031,France
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Montpellier,34295,France
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Nantes Cedex 1,44093,France
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Pierre Benite,69495,France
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Asthma and Allergy Center of Chicago S C
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River Forest,Illinois,60305,United States
Rachna Shah
Allervie Clinical Research
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Allergy Asthma and Clinical Research
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Florida Ctr Allergy Asthma Research
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Ileana Rodicio
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AeroAllergy Research Laboratories of Savannah Inc
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STAAMP Research LLC
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John Hopkins University .
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Allergy and Asthma Specialists Medical Group and Research Ct
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Finlay Medical Research
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Allergy and Clinical Immunology Associates
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Antelope Valley Clinical Trials
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Somnos Clinical Research Allergy Asthma and Immunology
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Little Rock Allergy and Asthma Clnc
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The Indiana Clinical Trials Center
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Mitchell William Smith
Complete Dermatology
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Treasure Valley Medical Research
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National Allergy and Asthma Research LLS
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Allergy Associates of Utah
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Asthma and Allergy Associates P C
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Toledo Institute of Clinical Research
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Kern Research
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Bakersfield,California,93301,United States
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Allergy and Asthma Specialist P S C Main Center
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Lee Clore
Northshore University Health System Division of Dermatology
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Glenview,Illinois,60077,United States
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Madeline Snedden
Univ of South Florida Asthma Allergy and Immunology CRU
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RFSA Dermatology
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Lindsey Finklea
PanAmerican Clinical Research Research
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James Charles Campbell
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