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

Grade 1: platelets <LLN - 75,000/mm3; <LLN - 75 x 109/L;
neutrophils <LLN - 1500/mm3; <LLN - 1.5 x 109/L

Grade 2: platelets <75,000 - 50,000/mm3; <75 - 50 x 109/L;
neutrophils <1500 - 1000/mm3; <1.5 - 1.0 x 109/L

Grade 3: platelets <50,000 - 25,000/mm3; <50 - 25 x 109/L;
neutrophils <1000 - 500/mm3; <1.0 - 0.5 x 109/L

Grade 4: platelets <25,000/mm3; <25 x 109/L;
neutrophils <500/mm3; <0.5 x 109/L

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