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You are here: Home / Antibody therapeutic / Crovalimab approved in China

Crovalimab approved in China

February 8, 2024 by Janice Reichert

On February 8, 2024, Chugai Pharmaceutical Co., Ltd. announced that crovalimab (Chinese product name : 派圣凯®) was approved in the People’s Republic of China for treatment of adults and adolescents with paroxysmal nocturnal hemoglobinuria (PNH) not been previously treated with complement inhibitors. The regulatory application was filed by a China affiliate of F. Hoffmann-La Roche Ltd. because Roche is responsible for the development of crovalimab outside Japan and Taiwan. China is the first country in the world to approve crovalimab. Marketing applications for crovalimab have been submitted to regulatory agencies in the US, EU, and Japan.

Crovalimab (SKY59, RG6107, RO7112689) is a complement C5 inhibiting, humanized IgG1k antibody without effector functions that was engineered (M428L/N434A) to have enhanced affinity to FcRn at an acidic pH to extend its plasma half-life. Based on Chugai’s Recycling Antibody® technology, crovalimab is engineered to bind its antigen repeatedly, enabling sustained complement inhibition at a low dose administered subcutaneously (SC) every 4 weeks. Moreover, crovalimab binds a different epitope of C5 compared to existing antibody drugs, suggesting that it represents an alternative option for patients with PNH with a specific C5 gene mutation.

Crovalimab was granted Breakthrough Therapy for PNH by NMPA and the marketing application for crovalimab, which included data from the China-specific Phase 3 COMMODORE 3 study (NCT04654468), was accepted by NMPA under Priority Review.

COMMODORE 3 was a multicenter single-arm trial studying crovalimab in C5 inhibitor-naive patients with PNH in China. Patients (n=51) received crovalimab according to a weight-based dosing schedule, including loading (intravenous (IV) dose on Days 1 and 4, weekly SC doses starting from Day 2) and SC maintenance doses (every 4 weeks starting from Week 5); treatment continued after 24 weeks in patients with clinical benefit. The co-primary efficacy endpoints of hemolysis control and transfusion avoidance (TA) were met. The mean proportion of participants with hemolysis control from Week 5 through to Week 25 was 78.7% (95% CI: 67.8%, 86.6%).1 The difference between the proportion of participants with TA within 24 weeks prior to screening (0.0%) and the proportion of participants with TA from baseline through to Week 25 (51.0%) was statistically significant (p<0.0001). [1]

The global Phase 3 COMMODORE 1 (NCT04432584) and 2 (NCT04434092) studies assessed the efficacy and safety of crovalimab versus eculizumab in participants with PNH that are C5 inhibitor-experienced patients or not previously treated with complement inhibitors, respectively. COMMODORE 1 assessed safety, pharmacokinetics, pharmacodynamics, and exploratory efficacy of crovalimab. Data from the study support the favorable benefit–risk profile of crovalimab, including allowing for SC administration with the option to self-administer. [2] Data from the COMMODORE 2 study presented at European Hematology Association meeting in June 2023 in Frankfurt, Germany demonstrated that SC crovalimab Q4W was non-inferior in disease control to IV eculizumab Q2W with comparable safety for patients who have not been treated with C5 inhibitors. [3]

  1. Liu H, Xia L, Weng J, Zhang F, He C, Gao S, Jia J, Chang AC, Lundberg P, Camelia S. Sima CS, et al. Results from the first Phase 3 crovalimab (c5-inhibitor) study (commodore 3): efficacy and safety in complement inhibitor-naive patients with paroxysmal nocturnal hemoglobinuria (PNH). Presentation at: ASH Annual Meeting and Exposition; New Orleans, 2022 Dec 10-13; Abstract #293. doi.org/10.1182/blood-2022-162452.
  2. Scheinberg P, Cle D, Edwards J, Giai V, Hus M, Kim JS, Barrenetxea Lekue C, Nagy Z, Nur E, Panse J, et al. Phase III randomized, multicenter, open-label COMMODORE 1 trial: comparison of crovalimab vs eculizumab in complement inhibitor-experienced patients with paroxysmal nocturnal hemoglobinuria (PNH). Hemasphere. 2023; 7(Suppl ): e45540d8. 2023 Aug 8. doi: 10.1097/01.HS9.0000967644.45540.d8
  3. Röth A, He G, Brodsky A, Chai-Adisaksopha CC, Dumagay T, Demichelis R, Höglund M, Kelly R, Lee J-H, Nishimura J-I, et al. The PHASE III, randomized COMMODORE 2 trial: results from a multicenter study of crovalimab vs eculizumab in paroxysmal nocturnal hemoglobinuria (PNH) patients naive to complement inhibitors. Hemasphere. 2023; 7(Suppl ): e72750f1.

Filed Under: Antibody therapeutic Tagged With: antibody therapeutics, approved antibodies

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