A Phase III, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy of MHB018A Injection in Subjects With Active Moderate-to-Severe Thyroid Eye Disease.
The primary objective of this study is to investigate the efficacy, safety, and tolerability of MHB018A, a humanized anti-IGF1R antibody, administered q4W for 6 months, in comparison to placebo, in the treatment of participants suffering from active TED.
• Subjects voluntarily participating in the study and signing the informed consent form;
• Aged 18-75 years (inclusive), of any gender;
• Clinical diagnosis of active Thyriod Eye Disease (TED). The Clinical Activity Score (CAS) of the study eye/target eye at screening and baseline must be ≥3 points (7-point scale).
• Subjects with a clinical diagnosis of moderate to severe TED at screening and baseline.
• Does not require immediate surgical ophthalmological intervention, and no corrective surgery/orbital radiotherapy is planned during the study.
• Diabetic subjects must have well-controlled stable disease.
• Sufficient bone marrow and organ function.
• Eligible subjects of childbearing potential (male and female) must agree to use reliable contraceptive methods; female subjects of childbearing potential must have a negative blood pregnancy test within 7 days before the first use of the study drug and must not be breastfeeding.
• Subject is willing and able to comply with the prescribed treatment protocol and evaluations for the duration of the study.