Masitinib for the Treatment of Severe Mast Cell Activation Syndrome

Mast Cell Activation Syndrome Clinical Trial

Official title: A 24-week, Multicenter, Randomized, Double Blind, Placebo-controlled, Dose-range Finding Phase II Study to Compare Efficacy and Safety of Oral Masitinib to Placebo in Treatment of Patients With Severe Mast Cell Activation Syndrome (MCAS) With Handicap Unresponsive to Optimal Symptomatic Treatment

Status Recruiting

Clinical Trial Summary

To evaluate the efficacy and safety of two dosing schemes of oral masitinib versus matching placebo in the treatment of patients suffering from severe MCAS with handicap unresponsive to optimal symptomatic treatment.

Clinical Trial Description

Multicenter, double-blind, placebo-controlled trial comparing two different dosing schemes over a 24-week treatment period. Dosing scheme #1: Oral masitinib treatment at 3 mg/kg/day for 4 weeks, then a switch to 4.5 mg/kg/day for the remainder of the treatment period, versus placebo with a matching titration scheme. Randomization 2: 1 (Masitinib MCAS: Placebo MCAS). Dosing scheme #2: Oral masitinib treatment at 3 mg/kg/day for 4 weeks, then a switch to 4.5 mg/kg/day for 4 weeks, then a second switch to 6 mg/kg/day for the remainder of the treatment period versus placebo treatment with a matching titration scheme. Randomization 2: 1 (Masitinib MCAS: Placebo MCAS) ;

Related Conditions & MeSH terms

• Mast Cell Activation Syndrome
• Mastocytosis
• Syndrome

• NCT number: NCT05449444
• Study type: Interventional
• Source: AB Science
• Contact: Clinical Study Coordinator
• Phone: +33(0)147200014
• Email: clinical@ab-science.com
• Status: Recruiting
• Phase: Phase 2
• Start date: July 1, 2022
• Completion date: December 31, 2024