) Time to nadir : - 8.5 days in GBS-TRF vs 16.5 days in A-CIDP ... Guillan-Barrè syndrome(GBS) and chronic inflammatory demyelinating polyneuropathy(CIDP) are immune-mediated ... with A-CIDP had less cranial nerve dysfunction compared to GBS-TRF (13% vs 69%)TRFs and exacerbations1