本研究正在研究名為 pozelimab 和 cemdisiran 的實驗性藥物,以及 cemdisiran 單藥治療。研究聚焦於全身性重症肌無力(gMG)患者。重症肌無力是一種因神經與肌肉無法正常溝通而導致身體肌肉無力及疲勞的疾病。 本研究旨在了解 pozelimab 與 cemdisiran 聯合使用時的療效,以及 pozelimab 與 ce
適應症:Generalized Myasthenia Gravis
收案條件
納入條件
- Male or female participants ≥18 years of age at screening (or ≥ legal age of adulthood based on local regulations, whichever is older)
- Participant with documented diagnosis of Myasthenia Gravis (MG) based on medical history and supported by previous evaluations as described in the protocol
- Documented prior history of positive serologic test or a positive result during screening of Anti-acetylcholine Receptor (AChR) antibodies or anti-Lipoprotein Receptor-related Protein 4 (LRP4) antibodies.
- Myasthenia Gravis Foundation of America (MGFA) Clinical Classification Class II to IVa at screening
- Myasthenia Gravis-Activities of Daily Living (MG-ADL) score ≥6 at screening. Ocular items should not contribute more than 50% of MG-ADL total score as described in the protocol
- Currently receiving an acetylcholinesterase inhibitor or documented reason for not using acetylcholinesterase inhibitor therapy per investigator
- Currently receiving an Immunosuppressive Therapy (IST) for MG, or documented reason why the participant is not taking an IST per investigator
- If currently receiving an IST, not anticipated to have IST dosage changed before randomization or during Double-Blind Treatment Period (DBTP).
- Willing and able to comply with clinic visits and study-related procedures, including completion of the primary series of the meningococcal vaccinations required per protocol
排除條件
- Patients with antibody profile that is only positive for Muscle-Specific tyrosine Kinase (MuSK) (MuSK positivity is based on a documented prior history of positive serologic test for antibodies to MuSK or a positive result during screening
- History of thymectomy within 12 months prior to screening or planned during the study
- History of malignant thymoma (patients with stage 1 may be enrolled), or history of cancer within the past 5 years, except for adequately treated basal cell skin cancer, squamous cell skin cancer, or in situ cervical cancer
- Myasthenic crisis or MGFA Class V within 1 month of screening
- Not meeting meningococcal vaccination requirements and, at a minimum, documentation of quadrivalent meningococcal vaccination within 5 years prior to randomization and serotype B vaccine (when available) within 3 years prior to randomization as described in the protocol
- Known contraindication to meningococcal vaccines (group ACWY conjugate and group B vaccines) as described in the protocol
- Participants who require antibiotics for meningococcal prophylaxis and have a contraindication, warning, or precaution precluding the use of penicillin class and penicillin-alternative antibiotics planned to be used for prophylaxis, or a history of intolerance leading to the discontinuation of these antibiotics
- Positive hepatitis B surface antigen or hepatitis C virus Ribonucleic Acid (RNA) during screening. NOTE: Cases with unclear interpretation should be discussed with the medical monitor
- History of Human Immunodeficiency Virus (HIV) infection or a positive test at screening per local requirements
收案條件維持 ClinicalTrials.gov 原始英文登錄資料,實際收案資格以研究團隊的正式評估與受試者同意書為準。資料來源:ClinicalTrials.gov,每兩週自動更新,最後同步:2026年10月8日。