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Clinical Trial Summary

Chronic Spontaneous Urticaria (CSU), defined by the persistence of daily or almost daily urticaria over 6 weeks, affects 0.5% to 1% of the general population. In more than half of the cases, it lasts more than 2 years. It can dramatically alter the quality of life, in particular sleep, and generates numerous consultations and hospitalizations, with an average annual cost per patient close to 2000 euros in Europe. The treatment is based on the validated 2nd generation anti-H1 antihistamines dosage of one tablet per day whose effectiveness is satisfactory, however about half the time. In cases of severe CSU refractory to treatment with anti-H1 licensed dosage, few therapeutic alternatives exist, still off-label: the monketulast, an anti-leukotriene, ciclosporine or methotrexate, as immunosuppressants. Various studies have shown the important benefit of an expensive anti-IgE biological: the omaluzimab. Several open studies have also suggested superior efficacy and good tolerability of anti-H1 in higher dosage (double, triple or quadruple) including levocetirizine.

The off-label use of these high dosages of anti-H1 is growing very rapidly in France, tending to replace the use of anti-H1 first generation or substitution to another 2nd generation anti-H1 recommended by the French Society of Dermatology.

This study, under the aegis of the Urticaria Group of the French Society of Dermatology, intends to compare the efficacy of levocetirizine 4 tablets/day versus 1 tablet/day in the treatment of CSU resistant to anti-H1 licensed dosage.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT02372604
Study type Interventional
Source Hospices Civils de Lyon
Contact
Status Completed
Phase Phase 3
Start date July 2015
Completion date December 2016

See also
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Active, not recruiting NCT05107115 - Rilzabrutinib for the Treatment of Chronic Spontaneous Urticaria in Patients Who Remain Symptomatic Despite the Use of H1 Antihistamine Phase 2
Recruiting NCT06042478 - A Phase 3b Study to Assess the Efficacy, Safety, and Tolerability of Remibrutinib in Comparison to Placebo and With Omalizumab as Active Control in CSU Adult Patients. Phase 3
Terminated NCT04159701 - A Study of LY3454738 in Adults With Chronic Spontaneous Urticaria Phase 2
Completed NCT03749135 - Dupilumab in Chronic Spontaneous Urticaria Phase 2
Completed NCT02649218 - A Safety Extension Study to Evaluate the Long-term Safety of QGE031 in Chronic Spontaneous Urticaria (CSU) Patients Phase 2
Active, not recruiting NCT05368285 - A Phase 2 Study of CDX-0159 in Patients With Chronic Spontaneous Urticaria Phase 2
Completed NCT05373355 - Safety and Efficacy of TLL018 in Patients With Chronic Spontaneous Urticaria. Phase 1
Not yet recruiting NCT06250400 - Efficacy and Safety of Histamine Human Immunoglobulin in the Treatment of Chronic Spontaneous Urticaria (CSU) Phase 4