Annotation Detail

Information
Associated Genes
PIK3CA
Associated Variants
PIK3CA p.His1047Arg (p.H1047R) ( ENST00000263967.4, ENST00000643187.1 )
PIK3CA p.His1047Arg (p.H1047R) ( ENST00000263967.4, ENST00000643187.1 )
Associated Disease
colorectal cancer
Source Database
CIViC Evidence
Description
Rectal cancer patients with PIK3CA mutations showed a higher risk of local recurrence (HR:3.5; 95% CI:1.3-9.3, P=0.013, univariate analysis; HR:3.4, 95% CI:1.2-9.2, P=0.017, multivariate analysis) compared to wildtype PIK3CA patients when treated with panitumumab.
Variant Origin
somatic
Variant Origin
Somatic
Evidence URL
https://civic.genome.wustl.edu/links/evidence_items/2106
Gene URL
https://civic.genome.wustl.edu/links/genes/37
Variant URL
https://civic.genome.wustl.edu/links/variants/107
Rating
3
Evidence Type
Prognostic
Disease
Colorectal Cancer
Evidence Direction
Supports
Evidence Level
B
Clinical Significance
Poor Outcome
Pubmed
19903786
Drugs