Skip to content

A real-world study on the treatment of myasthenia gravis with ecuzumab

The efficacy and safety of ecucizumab in the treatment of acute exacerbation of refractory myasthenia gravis: A multicenter, single-arm, open-label real-world study

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128850
Enrollment
Unknown
Registered
2026-07-27
Start date
2026-07-31
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Generalized myasthenia gravis

Interventions

Ecuzumab treatment group:None

Sponsors

The Affiliated Hospital of Xuzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >=18 years old; 2. Meet the diagnostic criteria for refractory myasthenia gravis and satisfy any one of the following: a. Poor response to conventional immunotherapy drugs; b. Cannot tolerate adverse drug reactions or have contraindications for use; c. The condition is prone to recurrence and requires regular remedial treatment, making it difficult to achieve the treatment goal. 3. In the acute exacerbation stage, that is, the myasthenia Gravis Daily Living Scale (MG-ADL) score increased by >=2 points within one week before enrollment; 4. Positive for anti-acetylcholine receptor (AChR) antibodies (detected by CBA or RIA methods); 5. Be able to understand the content of this research and voluntarily sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. There is an uncontrolled active infection. 2. Has not completed the Neisseria meningitidis vaccination and is unwilling or unable to receive preventive antibiotic treatment as prescribed by the doctor; 3. Pregnant or lactating women; 4. There are serious diseases of the heart, liver, kidneys, blood system or other systems, and the researchers consider them unsuitable to participate in the study. 5. Allergic to ecucizumab or its components; 6. The medical records are incomplete and cannot meet the needs of research evaluation. 7. Currently participating in other clinical studies that may affect the results or safety of this research; 8. The subject himself/herself does not have sufficient capacity for informed consent, and is unable to obtain written informed consent from his/her guardian/legal representative, or although the subject himself/herself was given consent by the guardian/legal representative on his/her behalf, he/she clearly expressed his/her refusal to participate in the study. 9. The researchers believe that there are other circumstances that are not suitable for participating in this study.

Design outcomes

Primary

MeasureTime frame
The improvement ratio of MG-ADL score;

Secondary

MeasureTime frame
Proportion of Subjects with a > 3-Point Improvement from Baseline in MG-ADL Score;The rate of achieving clinical remission;Immunology and laboratory indicators;Clinical safety and occurrence of adverse reactions;Steroid-Sparing Effect;

Countries

China

Contacts

Public ContactYong Zhang

The Affiliated Hospital of Xuzhou Medical University

zy20037416@163.com+86 516 8580 2033

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026