Core Insights - Cartesian Therapeutics announced positive 12-month efficacy and safety data from the Phase 2b trial of Descartes-08 for generalized myasthenia gravis (MG), showing sustained symptom improvement in participants [2][4][9] - Descartes-08 demonstrated a significant average reduction in MG-ADL scores, particularly in patients without prior biologic therapy, indicating its potential as a transformative treatment option [9][11] Efficacy Results - Participants treated with Descartes-08 experienced an average MG-ADL reduction of 4.8 points at Month 12, with deeper responses observed over time [7][11] - In the subgroup of participants without prior biologic therapy, the average MG-ADL reduction was 7.1 points at Month 12, with 57% maintaining minimum symptom expression [11] - 83% of evaluable participants maintained a clinically meaningful response through Month 12, defined as a reduction of at least 2 points in MG-ADL [7] Safety Profile - The safety profile of Descartes-08 was consistent with previously reported data, supporting its outpatient administration without the need for preconditioning chemotherapy [4][10] - Adverse events were mostly mild and transient, with no new adverse events reported during the 12-month follow-up [10][11] Future Development - The Phase 3 AURORA trial is on track to dose the first patient in the second quarter of 2025, with the trial design accepted by the FDA under the Special Protocol Assessment process [9][14] - Descartes-08 has received Regenerative Medicine Advanced Therapy and Orphan Drug Designations from the FDA, highlighting its potential in treating MG [9][13]
Cartesian Therapeutics’ Descartes-08 Observed to Provide Deep and Sustained Benefits Through Month 12 After a Single Course of Therapy in Phase 2b Myasthenia Gravis Trial