Variant · Snv
PIK3CA S158L
CI-VAR-00003999Explore in graph →NP_006209.2:p.Ser158LeuNM_006218.2:c.473C>TCIViC 1499
Curated evidence
Evidence by cancer (1 items)
Grouped by cancer context first, then therapy. The same variant can be sensitizing in one cancer and irrelevant in another — contexts are never merged. 50 items per page; a cancer group may continue on the next page.
- Source
- CIViC — Clinical Interpretation of Variants in Cancer
- Dataset
- CIViC evidence items
- Version
- civic-2026-09-08
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Evidence
- expert curation
- License
- CC0 1.0
- PMID
- 20619739
- Run
- ING-CIVIC-20260908-000001
| Molecular profile | Therapy | Type | Level | Direction · significance | Rating (1–5) | Status | Evidence | Source |
|---|---|---|---|---|---|---|---|---|
| Malignant Colorectal Neoplasm1 | ||||||||
| PIK3CA S158L | Cetuximab + IrinotecanCombination | Predictive | C | Supports Resistance | 3 | accepted | EID4463One patient participating in a large retrospective study of cetuximab in metastatic, treatment refractory colorectal cancer had a tumor which harbored PIK3CA S158L, was wildtype for KRAS, BRAF and NRA… (full text at CIViC) PMID 20619739 · De Roock et al., 2010 · Open in CIViC | civic |
ClinVar
Clinical significance (0)
ClinVar interpretations are shown as structured records — significance, review status, star rating, conditions — never flattened into one word.
Data not yet available