A Study to Test Efficacy and Safety of Rozanolixizumab in Adult Patients With Generalized Myasthenia Gravis
Summary
The purpose of the MycarinGstudy is to demonstrate the clinical efficacy and to assess safety and tolerability of rozanolixizumab in patients with generalized myasthenia gravis (MG).
Timeline
- Start
- 2019-06-03
- Primary completion
- 2021-08-31
- Completion
- 2021-10-26
Outcome
Met primary endpoint
registry analysis (superiority test); Placebo vs Rozanolixizumab ~7 mg/kg; p <0.001; LS Mean Difference -2.586 (95% CI -4.091 to -1.249) NCT03971422 ↗
release “Positive topline results from UCB MycarinG study investigating the efficacy and safety of rozanolixizumab in patients with generalized myasthenia gravis (gMG) Study met primary” ucb.com ↗
release “The trial met its primary endpoint, demonstrating a statistically significant and clinically meaningful change from baseline” ucb.com ↗
release “pivotal Phase 3 MycarinG study in gMG, 2 which demonstrated that treatment with rozanolixizumab resulted in statistically significant” ucb.com ↗
Publications
- Results Bril V, Druzdz A, Grosskreutz J, Habib AA, Mantegazza R, Sacconi S, Utsugisawa K, Vissing J, Vu T, Boehnlein M, Bozorg A, Gayfieva M, Greve B, Woltering F, Kaminski HJ; MG0003 study team. Safety and efficacy of rozanolixizumab in patients with generalised myasthenia gravis (MycarinG): a randomised, double-blind, placebo-controlled, adaptive phase 3 study. Lancet Neurol. 2023 May;22(5):383-394. doi: 10.1016/S1474-4422(23)00077-7.
- Results Habib AA, Sacconi S, Antonini G, Cortes-Vicente E, Grosskreutz J, Mahuwala ZK, Mantegazza R, Pascuzzi RM, Utsugisawa K, Vissing J, Vu T, Wiendl H, Boehnlein M, Greve B, Woltering F, Bril V. Efficacy and safety of rozanolixizumab in patients with muscle-specific tyrosine kinase autoantibody-positive generalised myasthenia gravis: a subgroup analysis of the randomised, double-blind, placebo-controlled, adaptive phase III MycarinG study. Ther Adv Neurol Disord. 2024 Sep 12;17:17562864241273036. doi: 10.1177/17562864241273036. eCollection 2024.
- Results Kaminski HJ, Antozzi C, Habib AA, Pascuzzi RM, Sacconi S, Utsugisawa K, Vissing J, Regnault A, Hareendran A, Grimson F, Tarancon T, Bril V; MycarinG study investigators. Improvement in Patient-Reported Symptoms of Generalised Myasthenia Gravis With Rozanolixizumab in the Randomised Phase 3 MycarinG Study Using the MG Symptoms PRO. Eur J Neurol. 2025 Aug;32(8):e70231. doi: 10.1111/ene.70231.
- Results Barnett-Tapia C, Cortes Vicente E, Pascuzzi RM, Utsugisawa K, Bloemers J, Grimson F, Tarancon T, Bril V; MycarinG study investigators. Measuring the effect of rozanolixizumab using the Myasthenia Gravis Impairment Index: analyses from the randomized phase 3 MycarinG study. J Neurol. 2025 Nov 8;272(12):752. doi: 10.1007/s00415-025-13480-8.
- Bril V, Druzdz A, Grosskreutz J, Habib AA, Mantegazza R, Sacconi S, Utsugisawa K, Vu T, Boehnlein M, Grimson F, Houston N, Kerbusch V, Pulido-Valdeolivas I, Tarancon T, Vissing J. Long-term use of rozanolixizumab in generalised myasthenia gravis: final pooled analysis of the phase III MycarinG study and two open-label extensions. Ther Adv Neurol Disord. 2026 Jun 29;19:17562864261458532. doi: 10.1177/17562864261458532. eCollection 2026.
- Regnault A, Habib AA, Creel K, Kaminski HJ, Morel T. Clinical meaningfulness and psychometric robustness of the MG Symptoms PRO scales in clinical trials in adults with myasthenia gravis. Front Neurol. 2024 Jun 24;15:1368525. doi: 10.3389/fneur.2024.1368525. eCollection 2024.
- Matic A, Alfaidi N, Bril V. An evaluation of rozanolixizumab-noli for the treatment of anti-AChR and anti-MuSK antibody-positive generalized myasthenia gravis. Expert Opin Biol Ther. 2023 Jul-Dec;23(12):1163-1171. doi: 10.1080/14712598.2023.2296126. Epub 2023 Dec 28.
- Bril V, Benatar M, Andersen H, Vissing J, Brock M, Greve B, Kiessling P, Woltering F, Griffin L, Van den Bergh P; MG0002 Investigators. Efficacy and Safety of Rozanolixizumab in Moderate to Severe Generalized Myasthenia Gravis: A Phase 2 Randomized Control Trial. Neurology. 2021 Feb 9;96(6):e853-e865. doi: 10.1212/WNL.0000000000011108. Epub 2020 Nov 20.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Rozanolixizumab | Monoclonal antibody | 7 mg/kg | Subcutaneous |
| Subject | Rozanolixizumab | Monoclonal antibody | 10 mg/kg | Subcutaneous |