Therapy Detail

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Therapy Name Tucatinib
Synonyms
Therapy Description

Tucatinib (ARRY-380) selectivity inhibits ERBB2 (HER2), resulting in decreased proliferation and increased apoptosis in ERBB2 (HER2) expressing tumor cells (PMID: 28053022).

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Drug Name Trade Name Synonyms Drug Classes Drug Description
Tucatinib Tukysa ONT-380|ARRY-380|irbinitinib HER2 Inhibitor 23 Tukysa (tucatinib) selectivity inhibits ERBB2 (HER2), resulting in decreased proliferation and increased apoptosis in ERBB2 (HER2) expressing tumor cells (PMID: 28053022). Tukysa (tucatinib) in combination with Herceptin (trastuzumab) and Xeloda (capecitabine) is FDA approved for use in patients with advanced unresectable or metastatic ERBB2 (HER2)-positive breast cancer, including patients with brain metastasis, who have received prior anti-HER2 therapies (FDA.gov).

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ERBB2 G776delinsVC ERBB2 C805S Advanced Solid Tumor resistant Tucatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing ERBB2 (HER2) G776delinsVC and an acquired ERBB2 (HER2) C805S were resistant to Tucatinib (ARRY-380) in culture (PMID: 30527195). 30527195
ERBB2 over exp stomach cancer sensitive Tucatinib Preclinical - Cell culture Actionable In a preclinical study, Tukysa (tucatinib) inhibited proliferation of an ERBB2 (HER2) over expressing gastric cancer cell line in culture (Cancer Res April 15, 2010 70:3610). detail...
ERBB2 positive Her2-receptor positive breast cancer sensitive Tucatinib Phase I Actionable In a Phase I trial, treatment with Tukysa (tucatinib) resulted in a response rate of 14% (3/22; all partial responses (PR)) and a clinical benefit rate (PR plus stable disease for greater than or equal to 24 weeks) of 27% (6/22) in Erbb2 (Her2)-positive breast cancer patients (PMID: 28053022). 28053022
ERBB2 Y772_A775dup Advanced Solid Tumor resistant Tucatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing ERBB2 (HER2) Y772_A775dup (reported as A775_G776insYVMA) were resistant to Tukysa (tucatinib) in culture (PMID: 30527195). 30527195
ERBB2 G778_P780dup Advanced Solid Tumor decreased response Tucatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing ERBB2 (HER2) G778_P780dup (reported as P780_Y781insGSP) demonstrated decreased response to Tukysa (tucatinib) compared to Poziotinib (HM781-36B) in culture (PMID: 30527195). 30527195
ERBB2 G776delinsVC Advanced Solid Tumor resistant Tucatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing ERBB2 (HER2) G776delinsVC were resistant to Tukysa (tucatinib) in culture (PMID: 30527195). 30527195
ERBB2 Y772_A775dup ERBB2 C805S Advanced Solid Tumor resistant Tucatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing ERBB2 (HER2) Y772_A775dup (reported as A775_G776insYVMA) and an acquired ERBB2 (HER2) C805S were resistant to Tukysa (tucatinib) in culture (PMID: 30527195). 30527195
ERBB2 positive stomach carcinoma sensitive Tucatinib Preclinical - Cell culture Actionable In a preclinical study, Tukysa (tucatinib) inhibited tumor growth in a ERBB2 (HER2)-positive gastric carcinoma cell line xenograft model (Cancer Res April 15, 2012 72:852). detail...

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Clinical Trial Phase Therapies Title Recruitment Status
NCT03043313 Phase II Trastuzumab + Tucatinib Tucatinib Tucatinib Plus Trastuzumab in Patients With HER2+ Colorectal Cancer Recruiting


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