CIViC Compass
Research use only — not FDA-cleared, not medical advice. Always consult FDA-approved labeling and a qualified clinician.

E81K

CIViC ID: 1500 · Gene: PIK3CA

Variant Summary

Also known as
GLU81LYS,RS1057519929
HGVS
NM_006218.3:c.241G>A,NP_006209.2:p.Glu81Lys,NC_000003.11:g.178916854G>A,ENST00000263967.3:c.241G>A
Variant Type(s)
missense_variant
Evidence Items
1

Evidence Level Distribution

Level C: 1

Evidence Items

Showing CIViC evidence rows where gene = PIK3CA and variant = E81K.

LevelTypeDirectionSignificanceDiseaseDrugsRating
CPredictiveDoes Not SupportResistanceColorectal CancerCetuximab,Fluorouracil,Oxaliplatin2