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

Grade 1: mild cognitive disability; not interfering with work/school/life performance; specialised educational services/devices not indicated

Grade 2: moderate cognitive disability; interfering with work/school/life performance but capable of independent living; specialised resources on part time basis indicated

Grade 3: severe cognitive disability; significant impairment of work/school/life performance

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