Universitätsmedizin Berlin is astounded by the huge improvement seen in a female patient with severe systemic lupus erythematosus (SLE) after being treated with the cancer medication teclistamab. Nearly six months after starting treatment, the patient is now completely symptom-free. Nothing was sufficiently alleviating the symptoms of the 23-year-old patient from Berlin, including cortisone and eight other therapies that should have moderated her overactive immune system. Her autoimmune disease, diagnosed as systemic lupus erythematosus, was particularly severe and was attacking four of her organ systems. Her skin was blistered, her joints and kidneys were severely inflamed, and her number of red...