Molecular Profile Detail

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Profile Name PIK3CA amp
Gene Variant Detail

PIK3CA amp (no effect)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA E545K PIK3CA amp lung squamous cell carcinoma predicted - sensitive Buparlisib Preclinical - Cell line xenograft Actionable In a preclinical study, Buparlisib (BKM120) treatment resulted in inhibition of AKT and S6 phosphorylation and durable responses in 2 of 3 lung squamous cell carcinoma patient-derived xenograft (PDX) models harboring PIK3CA E545K and PIK3CA amplification (PMID: 30093452). 30093452
PIK3CA E542K PIK3CA amp lung squamous cell carcinoma sensitive Buparlisib Preclinical - Pdx Actionable In a preclinical study, Buparlisib (BKM120) treatment resulted in inhibition of AKT and S6 phosphorylation and durable response in a lung squamous cell carcinoma patient-derived xenograft (PDX) model harboring PIK3CA E542K and PIK3CA amplification (PMID: 30093452). 30093452
PIK3CA E542K PIK3CA amp lung squamous cell carcinoma sensitive Alpelisib Preclinical - Pdx Actionable In a preclinical study, Alpelisib (BYL719) treatment resulted in response in a lung squamous cell carcinoma patient-derived xenograft (PDX) model harboring PIK3CA E542K and PIK3CA amplification (PMID: 30093452). 30093452
CDKN2A loss PIK3CA E545K PIK3CA amp lung squamous cell carcinoma sensitive Buparlisib + Palbociclib Preclinical - Pdx Actionable In a preclinical study, treatment with the combination of Buparlisib (BYL719) and Ibrance (palbociclib) resulted in increased tumor growth inhibition compared to either agent alone in patient-derived xenograft (PDX) models of lung squamous cell carcinoma harboring PIK3CA E545K and PIK3CA amplification, with p16 (CDKN2A) loss (PMID: 30093452). 30093452
CDKN2A loss PIK3CA E542K PIK3CA amp lung squamous cell carcinoma sensitive Buparlisib + Palbociclib Preclinical - Pdx Actionable In a preclinical study, treatment with the combination of Buparlisib (BYL719) and Ibrance (palbociclib) resulted in increased tumor growth inhibition compared to either agent alone in a patient-derived xenograft (PDX) model of lung squamous cell carcinoma harboring PIK3CA E542K and PIK3CA amplification, with p16 (CDKN2A) loss (PMID: 30093452). 30093452
ERBB2 pos PIK3CA amp Her2-receptor positive breast cancer predicted - sensitive Neratinib Phase III Actionable In a Phase III trial (ExteNET), Nerlynx (neratinib) treatment resulted in improved 5-year invasive disease-free survival (92.4% vs 84.5%, HR=0.41, p=0.028) and clinical benefit (HR=0.40, p=0.041) compared to placebo in patients with ERBB2 (HER2)-positive early breast cancer who completed trastuzumab-based adjuvant therapy, and harbored PIK3CA amplification (n=61) or mutations (n=210), including H1047R (n=110), E542K (n=18), and E545K/D (n=82) (PMID: 30867034; NCT00878709). 30867034
Clinical Trial Phase Therapies Title Recruitment Status
NCT01306045 Phase II Erlotinib Lapatinib MK2206 Sunitinib Selumetinib Molecular Profiling and Targeted Therapy for Advanced Non-Small Cell Lung Cancer, Small Cell Lung Cancer, and Thymic Malignancies Active, not recruiting
NCT01708161 Phase I Alpelisib + Ganitumab A Phase Ib/II Study of the Combination of BYL719 Plus AMG 479 in Adult Patients With Selected Solid Tumors Terminated
NCT03065062 Phase I Gedatolisib + Palbociclib Study of the CDK4/6 Inhibitor Palbociclib (PD-0332991) in Combination With the PI3K/mTOR Inhibitor Gedatolisib (PF-05212384) for Patients With Advanced Squamous Cell Lung, Pancreatic, Head & Neck and Other Solid Tumors Recruiting
NCT02189174 Phase Ib/II CLR457 Study of CLR457 Administered Orally in Adult Patients With Advanced Solid Malignancies Terminated
NCT01396408 Phase II Temsirolimus Sunitinib A Phase II Study of Sunitinib or Temsirolimus in Patients With Advanced Rare Tumours Active, not recruiting
NCT01219699 Phase I Alpelisib Alpelisib + Fulvestrant A Study of BYL719 in Adult Patients With Advanced Solid Malignancies, Whose Tumors Have an Alteration of the PIK3CA Gene Completed