Spots Global Cancer Trial Database for Treatment With BIBW 2992, Irreversible Inhibitor of EGFR and HER-2 in Non-small Cell Lung Cancer

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Trial Identification

Brief Title: Treatment With BIBW 2992, Irreversible Inhibitor of EGFR and HER-2 in Non-small Cell Lung Cancer

Official Title: Treatment With BIBW 2992, Irreversible Inhibitor of EGFR and HER-2 in Non Small Cell Lung Cancer in Advanced Stage, Which Have Progressed to Chemotherapy. Analysis of Mutations in EGFR and Number of Copies of HER-2

Study ID: NCT01542437

Conditions

Non-Small Cell Lung Cancer

EGFR

HER-2

Interventions

BIBW 2992

Study Description

Brief Summary: Patients with stage IIIB and IV lung adenocarcinoma and progression to first-line chemotherapy were enrolled to receive afatinib 40 mg/day. Mutational EGFR and HER-2 status were assessed by RT-PCR. HER2 amplification was evaluated by FISH. Plasma HGF levels were measured by ELISA before and 2 months (mo) after the start of treatment. We assessed changes in serum HGF levels and their association with objective response rate (ORR), PFS and overall survival (OS).

Detailed Description: Lung cancer is the main cause of cancer-related mortality worldwide, accounting for 1.6 million deaths in 2012. Non-small-cell lung cancer (NSCLC) histology comprises ap-proximately 85% of cases. At the time of diagnosis, 75% of the patients have locally advanced or metastatic disease, with a 5-year survival rate of less than 5%. Although treatment options for these patients remain limited, drugs targeting the epidermal growth factor receptor (EGFR) have proved to be a highly effective therapy in NSCLC patients harboring sensitizing EGFR mutations. Afatinib, a second-generation irreversible TKI, confers a theoretical advantage over re-versible TKIs in patients with acquired resistance. Through covalent binding to the kinase domain of EGFR, afatinib down regulates signaling from all homodimers and heter-odimers formed by ERBB receptor family members including EGFR, HER2 (ErbB2), HER3 (ErbB3) and HER4 (ErbB4). HER2 mutations in NSCLC are rare, being found in approximately 1-4% of lung adenocarcinomas. In contrast with reversible TKIs, the mechanisms of resistance to irreversible TKIs have not been fully elucidated, and identification of biomarkers that predict response to these drugs, particularly in patients progressing after first line therapy, is needed. In this study we assess the usefulness of plasma HGF concentrations as a predictor of response to afatinib in patients with advanced-stage lung adenocarcinoma.