Molecular Profile Detail

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Profile Name PIK3CA wild-type
Gene Variant Detail

PIK3CA wild-type (no effect)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA wild-type Her2-receptor negative breast cancer no benefit Alpelisib Phase I Actionable In a Phase I trial, Alpelisib (BYL719) treatment resulted in no clinical benefit in 4 patients with ER-positive, ERBB2 (HER2)-negative breast cancer harboring PIK3CA mutations (PMID: 29401002; NCT01219699). 29401002
PIK3CA wild-type triple-receptor negative breast cancer no benefit Palbociclib + Pictilisib Preclinical Actionable In a preclinical study, the combination of Ibrance (palbociclib) and Pictilisib (GDC-0941) did not improve growth inhibition compared to single drug treatment in PIK3CA wild-type, triple-receptor negative breast cancer cell lines in culture (PMID: 27020857). 27020857
PIK3CA wild-type Advanced Solid Tumor sensitive PX-866 Phase I Actionable In a Phase I study, PX-866 demonstrated efficacy and was well tolerated in patients with advanced solid tumor with both PIK3CA wild-type and mutant status (PMID: 22693357). 22693357
PIK3CA wild-type breast cancer predicted - sensitive A-1210477 + WEHI-539 Preclinical - Cell culture Actionable In a preclinical study, combination of WEHI-539 and A-1210477 resulted in enhanced apoptosis in PIK3CA wild-type breast cancer cell lines in culture (PMID: 27974663). 27974663
PIK3CA wild-type Her2-receptor positive breast cancer sensitive Lapatinib + Paclitaxel + Trastuzumab Phase II Actionable In a Phase II trial, the combination of Taxol (paclitaxel) plus Herceptin (trastuzumab) and Tykerb (lapatinib) resulted in a higher pathologic complete remission rate in ERBB2 (HER2)-receptor positive breast cancer patients with PIK3CA wild-type compared to those harboring a PIK3CA mutation (PMID: 26245675). 26245675
PIK3CA wild-type breast cancer no benefit Dactolisib + WEHI-539 Preclinical - Cell culture Actionable In a preclinical study, inhibition of Pi3k signaling by BEZ235 did not sensitize PIK3CA wild-type breast cancer cell lines to WEHI-539 in culture (PMID: 27974663). 27974663
Clinical Trial Phase Therapies Title Recruitment Status
NCT03457896 Phase II Cetuximab + Neratinib Neratinib + Trastuzumab Study of Neratinib +Trastuzumab or Neratinib + Cetuximab in Patients With KRAS/NRAS/BRAF/PIK3CA Wild-Type Metastatic Colorectal Cancer by HER2 Status Recruiting
NCT01960023 Phase Ib/II Cetuximab + Neratinib Safety and Efficacy Study of Neratinib and Cetuximab to Treat Patients With Quadruple Wild-Type Metastatic Colorectal Cancer Withdrawn