1. Unprecedented Challenge: A Patient with Three Concurrent Diseases A case of a patient suffering from three different rare autoimmune diseases simultaneously is extremely rare. Conventional treatment methods only alleviated symptoms using immunosuppressants, and the patient had to take high-dose medications for life, fighting side effects and remaining in the 'control' stage.

2. The Key to Treatment: 'Hard Reset' of the Immune System The research team extracted the patient's immune cells, genetically engineered them to target and destroy abnormal B cells that attack the patient's own body, and administered personalized CAR-T cells.

Mechanism of Action: By eliminating the immune cells that produce autoantibodies, the malfunctioning immune system was completely reset.

Precise Strike: Unlike conventional immunosuppressants, the treatment protected normal tissues while precisely targeting the specific cells causing the disease.

1. Results: 14 Months of 'Drug-Free Remission' The treatment results were revolutionary. Fourteen months after CAR-T cell infusion, the patient's condition is as follows:

• Complete Remission: All clinical symptoms of the three autoimmune diseases have completely disappeared.
• Discontinuation of Medication: The patient has stopped taking all medications, including immunosuppressants, and maintains a healthy daily life.

1. Significance: Paradigm Shift in the Treatment of Autoimmune Diseases This study has proven that CAR-T therapy can achieve 'cure' not only for single diseases but also for complex and intractable autoimmune diseases. This is expected to provide a new treatment platform that offers 'liberation' rather than 'management' for numerous patients with rare autoimmune diseases.