Giant cell arteritis (GCA) is the most common form of adult vasculitis in the United States and can be subdivided into those with cranial only symptoms, those with large vessel vasculiti/PMR, and those with mixed features.

The multimillion dollar question for inflammatory arthritis prescriptions is: which drug should I use next?

CAR T cell therapy took the centre stage in 2022 where data pertaining to a successful case series of 5 patients with refractory SLE were published by Prof Schett’s group. Since then, this area of therapeutic has expanded exponentially. Our growing enthusiasm was slightly dampened though when the FDA required all six approved CAR T-cell therapies in oncology to include a black box warning regarding the risk of second primary malignancies in January 2024. At ACR25, Prof Schett’s group described a new form of toxicity in patients with autoimmune disease receiving CAR T-cell therapy, most likely due to the cleansing of immune cells from the affected organs.