To see all protocols that comply with the WHO Essential Medicine List 

Grade 1: >ULN - 1.5 x ULN

Grade 2: >1.5 - 2.0 x ULN; >2.0 - 5.0 x ULN and asymptomatic

Grade 3: >2.0 - 5.0 x ULN with signs or symptoms; >5.0 x ULN and asymptomatic

Grade 4: >5.0 x ULN and with signs or symptoms

Reference: Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0 Published: November 27, 2017