CRBN and Miyoshi myopathy: Median CRBN at LD initiation (N = 68) treatment was 247 pg/mL (range, 0–9760 pg/mL), at the time of best response (BR) status (N = 59) 142.5 pg/mL (range, 0–9940 pg/mL) and in patients with relapse/refractory MM to LD regimen (N = 54) 298 pg/mL (range, 0–9840 pg/mL).