Thymosin Alpha-1 for irAE Secondary to ICIs

Based on the conventional treatment, subcutaneous injection of Tα-1 (1.6 mg, qd) in Week 1; and in Week 2, subcutaneous injection of thymalfasin 1.6 mg, 3 times a week, followed by twice a week for 1 month since Week 3.

Grade 2 irAEs: corticosteroid alone Grade 3 and above irAEs: corticosteroids combined with other immunosuppressants Steroid-refractory irAE: After 48-72 hours of systemic steroid therapy, the symptoms do not improve or worsen, and the second-line immunosuppressant therapy is adopted.