Variant · Expression
ESR1 Overexpression
CI-VAR-00003152Explore in graph →CIViC 607
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.
civicProvenance
- 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
- 25524798
- Run
- ING-CIVIC-20260908-000001
| Molecular profile | Therapy | Type | Level | Direction · significance | Rating (1–5) | Status | Evidence | Source |
|---|---|---|---|---|---|---|---|---|
| Malignant Breast Neoplasm1 | ||||||||
| ESR1 Overexpression | Letrozole + PalbociclibCombination | Predictive | B | Supports Sensitivity Response | 4 | accepted | EID1541A phase 2 clinical trial evaluated 165 patients with oestrogen receptor positive and HER2-negative breast cancer such that 84 patients received combination therapy of palbociclib plus letrozole and 81… (full text at CIViC) PMID 25524798 · Finn et al., 2015 · 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
No ClinVar interpretation attached to this variant.