Case Series

Immunotherapy-Induced Overlap Syndrome: Myositis, Myasthenia Gravis, and Myocarditis—A Case Series

Table 1

Blood results for patient 1 showing an improvement after commencing methylprednisolone.

Day 1Day 2Day 3Day 4Day 5Day 6Day 7Day 8Day 9Day 11

Troponin (ng/L)105114642105110138753871231223781218228
ALT (U/L)415474707565558494480308
CK (IU/L)111501302813591671339362794184612301005807

On day 5, the patient was transferred to a specialist centre, MMF was commenced, and methylprednisolone increased to 1000 mg OD.