PIK3CA G1049A

CI-VAR-00001550Explore in graph →NP_006209.2:p.Gly1049AlaNM_006218.2:c.3146G>CCIViC 1501

Curated evidence

Evidence by cancer (2 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.

civicCuratedShowing 1–2 of 2 evidence items across 2 cancer contexts on this page · levels, directions and significance as curated at the source; each row links to its CIViC record.

Molecular profile	Therapy	Type	Level	Direction · significance	Rating (1–5)	Status	Evidence	Source
Malignant Breast Neoplasm1
PIK3CA G1049S OR PIK3CA G1049R OR PIK3CA G106V OR PIK3CA G106R OR PIK3CA G1049A OR PIK3CA G106S OR PIK3CA G106A OR PIK3CA G106D OR PIK3CA G118D OR PIK3CA G1049C OR PIK3CA G1049D	Fulvestrant + Inavolisib + PalbociclibCombination	Predictive	A	Supports Sensitivity Response	3	accepted	EID12537 The phase III INAVO120 trial (NCT04191499) in 325 patients with endocrine-resistant, PIK3CA-mutated HR⁺/HER2⁻ locally advanced or metastatic breast cancer evaluated inavolisib plus palbociclib and ful… (full text at CIViC) PMID 40845250 · Wedam et al., 2025 · Open in CIViC	civic
Malignant Colorectal Neoplasm1
PIK3CA G1049A	Cetuximab	Predictive	C	Supports Resistance	—	rejected

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.