Fidest – Agenzia giornalistica/press agency

Quotidiano di informazione – Anno 31 n° 321

Late-Breaker Session at EADV Congress

Posted by fidest press agency su martedì, 15 ottobre 2019

Concert Pharmaceuticals, Inc. (NASDAQ: CNCE) today presented results from its recently completed Phase 2 dose-ranging trial of the investigational medicine CTP-543 in patients with moderate-to-severe alopecia areata, an autoimmune disorder that results in patchy or complete hair loss. Patients in the study treated with either 8 mg twice-daily or 12 mg twice-daily of CTP-543 met the primary efficacy endpoint with statistically significant differences (p <0.001) relative to placebo in the percentage of patients achieving a ≥ 50% relative change from baseline at 24 weeks using the Severity of Alopecia Tool (SALT). These results were presented during the 28th European Academy of Dermatology and Venereology (EADV) Annual Congress in Madrid, Spain.In the Phase 2 trial, the primary efficacy endpoint in the 12 mg twice-daily cohort was met with 58% of patients achieving a ≥ 50% relative reduction in their overall SALT score from baseline compared to 9% for placebo (p <0.001), with statistically significant separation from placebo occurring at Week 12. In the 8 mg twice-daily cohort, 47% of patients achieved the primary endpoint compared to placebo (p <0.001). For the 4 mg cohort, 21% of patients achieved a ≥ 50% relative reduction in their overall SALT score from baseline, however there was not a statistically significant difference from placebo.Data from the Patient Global Impression of Improvement scale showed 78% of the patients receiving 12 mg twice-daily and 58% of the patients receiving 8 mg twice-daily rated their alopecia areata as “much improved” or “very much improved” at Week 24. For both doses there was a statistically significant difference from placebo (p <0.001).In the Phase 2 trial, the most common (≥10%) side effects in the 12 mg CTP-543 dose group were headache, nasopharyngitis, upper respiratory tract infection and acne. One serious adverse event of facial cellulitis was reported as possibly related to treatment. After a brief dosing interruption, treatment was continued and this patient completed the trial. No thromboembolic events were reported during the trial.The Phase 2 trial was a double-blind, randomized, placebo-controlled, sequential dose trial to evaluate the safety and efficacy of CTP-543 in adult patients with moderate-to-severe alopecia areata. A total of 149 patients were randomized to receive one of three doses of CTP-543 (4 mg, 8 mg, or 12 mg) or placebo, administered twice-daily. The primary outcome measure utilized the SALT score after 24 weeks of dosing. The average baseline SALT score across all patients was approximately 88%, where 0% is no scalp hair loss and 100% represents total scalp hair loss. All patients who completed 24 weeks of treatment in the 12 mg dosing cohort had the opportunity to continue in a separate extension study to evaluate long-term safety and efficacy of CTP-543.Details from the oral presentation, entitled “CTP-543, an oral JAK inhibitor, achieves primary endpoint in Phase 2 randomized, placebo-controlled, dose ranging trial in patients with moderate-to-severe alopecia areata,” is available in the Scientific Presentations section of Concert’s website.

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