Spectrum Pharmaceuticals Announces Initiation of a Multicenter Phase 2 Trial of Poziotinib in Non-Small Cell Lung Cancer (NSCLC) Patients with Exon 20 Insertion Mutation in EGFR or HER2
- The study will evaluate Objective Response Rate (ORR) as the primary endpoint.
-
Objective Response Rate of 73% was observed in preliminary analysis
of an ongoing Phase 2 study being conducted by Dr.
John Heymach at theUniversity of Texas MD Anderson Cancer Center . These data were presented earlier this month inJapan at the 18thIASLC World Conference on Lung Cancer . - Spectrum has worldwide rights to poziotinib, excluding Korea and China.
"Following the promising preliminary data from the University of
The goal of this Phase 2 trial is to evaluate both the efficacy and safety of poziotinib in patients with non-small cell lung cancer (NSCLC) that is locally advanced or metastatic and have an exon 20 insertion mutation in either EGFR or HER2. This trial will enroll up to 87 patients with EGFR exon 20 insertion mutations and up to 87 patients with HER2 exon 20 insertion mutations in several leading cancer institutions. The study will evaluate objective response rate (ORR) as the primary endpoint, and disease control rate (DCR), duration of response (DOR), and safety as secondary endpoints. In addition, progression-free survival (PFS) and quality of life (QoL) will be evaluated.
Poziotinib is a novel, oral pan-HER inhibitor that irreversibly blocks signaling through the Epidermal Growth Factor Receptor (EGFR, HER) family of tyrosine-kinase receptors, including HER1 (erbB1; EGFR), HER2 (erbB2), and HER4 (erbB4), and importantly, also HER receptor mutations; this, in turn, leads to the inhibition of the proliferation of tumor cells that overexpress these receptors. Mutations or overexpression/amplification of EGFR family receptors have been associated with a number of different cancers, including non-small cell lung cancer (NSCLC), breast cancer, and gastric cancer.
About
Spectrum Pharmaceuticals is a leading biotechnology company focused on acquiring, developing, and commercializing drug products, with a primary focus in Hematology and Oncology. Spectrum currently markets six hematology/oncology drugs, and has an advanced stage pipeline that has the potential to transform the Company. Spectrum's strong track record for in-licensing and acquiring differentiated drugs, and expertise in clinical development have generated a robust, diversified, and growing pipeline of product candidates in advanced-stage Phase 2 and Phase 3 studies. More information on Spectrum is available at www.sppirx.com.
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