HER-2 L869R

Firstly, we describe the patient's treatment history, including failed third-line combination treatments of systemic chemotherapy with bevacizumab or carrelizumab or anlotinib, primary lung tumor recurrence, bilateral lung metastases progression, and new brain metastatic lesion detection. Next, we detail the patient's fourth-line treatment with radiotherapy for brain metastases and two cycles of bevacizumab plus Abraxane and cisplatin, however, the disease progressed and relapsed...However, the patient died due to hypoproteinemia combined with severe pneumonia in December 2023. Furmonertinib may be effective for NSCLC patients with HER2 T8962A and L869R mutations and further studies are needed to confirm these results in prospective clinical trials.

P1, N=30, Suspended, National Cancer Institute (NCI) | Recruiting --> Suspended

We present the largest study of BC variant frequencies in a cohort of Irish breast cancer patients to date and confirm NGS is feasible and identifies clinically relevant and actionable variants. We confirm that the frequency of PIK3CA alterations, in addition to codon specificity, are comparable to those observed in European and US cohorts and demonstrate that the detection of clinically relevant biomarkers is not confined to ER positive HER2 negative BC. The tissue failure rate (19%) underscores the need for cfDNA testing to identify the expanding range of actionable targets in BC to improve access to emerging targeted therapies and biomarker-driven clinical trials.

Matched tumor samples from six patients identified the same mutations with an 83% concordance rate. In summary, our highly sensitive multiplex digital PCR assays are well suited for plasma-based monitoring of ERBB2 mutational status in patients with MBC.

P1, N=30, Recruiting, National Cancer Institute (NCI) | N=18 --> 30

P2, N=25, Completed, City of Hope Medical Center | Active, not recruiting --> Completed | Trial completion date: Dec 2022 --> Sep 2022

P1, N=18, Recruiting, National Cancer Institute (NCI) | Not yet recruiting --> Recruiting

P2, N=1, Terminated, Spectrum Pharmaceuticals, Inc | N=150 --> 1 | Trial completion date: Dec 2023 --> Mar 2022 | Recruiting --> Terminated | Trial primary completion date: Jun 2023 --> Mar 2022; Strategic business decision (unrelated to safety)

P1, N=18, Not yet recruiting, National Cancer Institute (NCI) | Trial completion date: Aug 2023 --> Jun 2024 | Trial primary completion date: Aug 2023 --> Jun 2024

P1, N=18, Not yet recruiting, National Cancer Institute (NCI)

P2, N=25, Active, not recruiting, City of Hope Medical Center | N=40 --> 25 | Trial completion date: Oct 2021 --> Dec 2022

P2, N=40, Active, not recruiting, City of Hope Medical Center | Trial completion date: Oct 2020 --> Oct 2021 | Trial primary completion date: Oct 2020 --> Oct 2021

Pembrolizumab 200mg IV D1, Trastuzumab 6mg/kg (after 8mg/kg load) D1, Capecitabine 1000mg/m2 bid D1-14, and Cisplatin 80mg/m2 D1 every 3 weeks was selected as recommended phase II dose. First-line triplet regimen (Pembrolizumab, Trastuzumab, and Chemotherapy) showed promising efficacy based on HER2 amplification by NGS regardless of PD-L1 status in AGC/GEJ cancer. Correlative biomarkers found from NGS study need to be validated through on-going phase III Keynote-811 study (NCT03615326). Response and Survival of PANTHERA Trial (cut-off date: Aug-31-2020).

Pembrolizumab 200mg IV D1, Trastuzumab 6mg/kg (after 8mg/kg load) D1, Capecitabine 1000mg/m2 bid D1-14, and Cisplatin 80mg/m2 D1 every 3 weeks was selected as recommended phase II dose. First-line triplet regimen (Pembrolizumab, Trastuzumab, and Chemotherapy) showed promising efficacy based on HER2 amplification by NGS regardless of PD-L1 status in AGC/GEJ cancer. Correlative biomarkers found from NGS study need to be validated through on-going phase III Keynote-811 study (NCT03615326). Response and Survival of PANTHERA Trial (cut-off date: Aug-31-2020).

Phase 2 trial of frontline Trastuzumab combined with chemotherapy is ongoing... GBC is enriched in 28% of patients with ERBB2 & ERBB3 amplifications and/or mutations. FGFR2 mutation is rare in GBC. PIK3CA aberrations are common.

P2, N=150, Recruiting, Spectrum Pharmaceuticals, Inc | Not yet recruiting --> Recruiting