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W. Su
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JCES01 - Joint IASLC - Chinese Society for Clinical Oncology - Chinese Alliance Against Lung Cancer Session (ID 413)
- Event: WCLC 2016
- Type: Joint Chinese / English Session
- Track:
- Presentations: 1
- Moderators:F.R. Hirsch, C. Bai
- Coordinates: 12/04/2016, 08:00 - 11:45, Stolz 1
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JCES01.17 - A Phase I Dose Expansion Study of Epitinib to Evaluate Efficacy and Safety in EGFR Mutation Positive (EGFRm+) NSCLC Patients with Brain Metastasis (ID 7059)
11:10 - 11:10 | Author(s): W. Su
- Abstract
Background:
A significant portion of patients with non-small cell lung cancer (NSCLC) develop brain metastasis. Patients with brain metastasis suffer from poor prognosis with a median survival of less than 6 months and low quality of life with limited treatment options. First generation EGFR tyrosine kinase inhibitors (EGFR TKIs) have demonstrated significant clinical benefit for patients with EGFR-mutant NSCLC. However, their effect on brain metastasis is limited due to poor drug penetration into the brain. Epitinib is an EGFR TKI designed to improve brain penetration. A Phase I dose escalation study on epitinib has been completed and the recommended Phase 2 dose (RP2D) determined (Y-L Wu, 2016 ASCO). This Phase I dose expansion study was designed to evaluate the efficacy and safety of epitinib in EGFR-mutant NSCLC patients with brain metastasis.
Methods:
This is an ongoing open label, multi-center Phase I dose expansion study. EGFR-mutant NSCLC patients with confirmed brain metastasis, either prior EGFR TKI treated or EGFR TKI treatment naïve, were enrolled to receive oral epitinib 160 mg per day. Patients with extra-cranial disease progression while on treatment with an EGFR TKI were excluded. Tumor response was assessed per RECIST 1.1.
Results:
As of 31 May, 2016, 27 patients (13 EGFR TKI pretreated, 14 EGFR TKI treatment naïve) have been enrolled and treated with epitinib. The most frequent adverse events (AEs) were skin rash (89%), elevated ALT (41%)/AST (37%), hyper-pigmentation (41%) and diarrhea (30%). The most frequent Grade 3/4 AEs were elevations in ALT (19%), gamma-GGT (11%), AST (7%), hyperbilirubinemia (7%) and skin rash (4%). There have been no Grade 5 AEs to date. Among the 24 efficacy evaluable patients (11 TKI pretreated, 13 TKI naïve), 7 (7/24, 29%) achieved a partial response (PR), including 1 unconfirmed PR. All PRs occurred in EGFR TKI treatment naïve patients (7/13, 53.8%). Of the 24 evaluable patients, 8 (5 EGFR TKI treatment naïve, 3 EGFR TKI pretreated) had measurable brain metastasis (lesion diameter>10 mm per RECIST 1.1) with 2 PRs (both EGFR TKI treatment naïve patients, 2/5, 40%).
Conclusion:
Epitinib 160mg per day treatment in EGFR-mutant NSCLC patients with brain metastasis demonstrated clinical activity both extra- and intra-cranial. Epitinib was well tolerated. The data to date appears encouraging and warrants further development of epitinib.
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OA11 - Angiogenesis in Advanced Lung Cancer (ID 387)
- Event: WCLC 2016
- Type: Oral Session
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:L.M. Montuenga, J. Heymach
- Coordinates: 12/06/2016, 11:00 - 12:30, Stolz 2
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OA11.03 - A Randomized, Multi-Center, Double-Blind Phase II Study of Fruquintinib in Patients with Advanced Non-Small Cell Lung Cancer (ID 4571)
11:10 - 11:20 | Author(s): W. Su
- Abstract
- Presentation
Background:
Targeting the tumor microenvironment, such as tumor angiogenesis, has led to the successful development and approval of a number of targeted therapies thereby changing the standard of care for many types of cancer. However, treatment options are limited in third-line non-small cell lung cancer (NSCLC) patients. Fruquintinib is a potent and highly selective oral kinase inhibitor targeting vascular endothelial growth factor receptors and is currently in late stage development for multiple cancers. This Phase II study was designed to evaluate the efficacy and safety of fruquintinib in third-line NSCLC patients (NCT02590965).
Methods:
A total of 91 patients were randomized to receive best supportive care (BSC) plus fruquintinib or BSC plus placebo in a 2:1 ratio from 12 Chinese clinical centers. Fruquintinib initial dose was 5 mg once daily and treatment was given in every 4-week cycle (3 weeks treatment followed by 1 week off). The primary objective was to compare progression free survival (PFS) between the two treatment groups. Secondary efficacy parameters included objective response rate (ORR), disease control rate (DCR), overall survival (OS). Tumor response was assessed per RECIST 1.1.
Results:
As of August 7, 2015, median PFS was 3.8 months for the fruquintinib group comparing with 1.2 months for the placebo group (hazard ratio=0.27, p<0.001). The ORR was 16.4% for the fruquintinib group comparing with 0% for the placebo group (p=0.02). The DCR of the fruquintinib group was significantly higher than that of the placebo group with a difference of 53.8% (36.3, 71.4; 95% CI, p<0.001). OS was not mature and initial analysis revealed 3- and 6-month OS rates of 90.2% and 68.3% for the fruquintinib group, and 73.3% and 58.2% for the placebo group, respectively. Adverse event was reported in 68.9% and 60.0% patients in fruquintinib and placebo group, respectively. The incidence of serious adverse events was 3.3% in the fruquintinib group and 6.7% in the placebo group.
Conclusion:
Fruquintinib in third-line NSCLC met the primary efficacy endpoint of PFS and demonstrated superiority in the secondary endpoints of ORR and DCR as compared with placebo. OS has yet to mature. Fruquintinib was generally well tolerated and safety profile consistent with previously reported. These results support further development of fruquintinib in third-line NSCLC patients. A randomized, double-blind, multi-center Phase III registration study was initiated in December 2015 (NCT02691299). Clinical trial information: NCT02590965.
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P2.03b - Poster Session with Presenters Present (ID 465)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 12/06/2016, 14:30 - 15:45, Hall B (Poster Area)
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P2.03b-001 - A Phase I Dose Expansion Study of Epitinib to Evaluate Efficacy and Safety in EGFR Mutation Positive (EGFRm+) NSCLC Patients with Brain Metastasis (ID 4253)
14:30 - 14:30 | Author(s): W. Su
- Abstract
Background:
A significant portion of patients with non-small cell lung cancer (NSCLC) develop brain metastasis. Patients with brain metastasis suffer from poor prognosis with a median survival of less than 6 months and low quality of life with limited treatment options. First generation EGFR tyrosine kinase inhibitors (EGFR TKIs) have demonstrated significant clinical benefit for patients with EGFR-mutant NSCLC. However, their effect on brain metastasis is limited due to poor drug penetration into the brain. Epitinib is an EGFR TKI designed to improve brain penetration. A Phase I dose escalation study on epitinib has been completed and the recommended Phase 2 dose (RP2D) determined (Y-L Wu, 2016 ASCO). This Phase I dose expansion study was designed to evaluate the efficacy and safety of epitinib in EGFR-mutant NSCLC patients with brain metastasis.
Methods:
This is an ongoing open label, multi-center Phase I dose expansion study. EGFR-mutant NSCLC patients with confirmed brain metastasis, either prior EGFR TKI treated or EGFR TKI treatment naïve, were enrolled to receive oral epitinib 160 mg per day. Patients with extra-cranial disease progression while on treatment with an EGFR TKI were excluded. Tumor response was assessed per RECIST 1.1.
Results:
As of 31 May, 2016, 27 patients (13 EGFR TKI pretreated, 14 EGFR TKI treatment naïve) have been enrolled and treated with epitinib. The most frequent adverse events (AEs) were skin rash (89%), elevated ALT (41%)/AST (37%), hyper-pigmentation (41%) and diarrhea (30%). The most frequent Grade 3/4 AEs were elevations in ALT (19%), gamma-GGT (11%), AST (7%), hyperbilirubinemia (7%) and skin rash (4%). There have been no Grade 5 AEs to date. Among the 24 efficacy evaluable patients (11 TKI pretreated, 13 TKI naïve), 7 (7/24, 29%) achieved a partial response (PR), including 1 unconfirmed PR. All PRs occurred in EGFR TKI treatment naïve patients (7/13, 53.8%). Of the 24 evaluable patients, 8 (5 EGFR TKI treatment naïve, 3 EGFR TKI pretreated) had measurable brain metastasis (lesion diameter>10 mm per RECIST 1.1) with 2 PRs (both EGFR TKI treatment naïve patients, 2/5, 40%).
Conclusion:
Epitinib 160mg per day treatment in EGFR-mutant NSCLC patients with brain metastasis demonstrated clinical activity both extra- and intra-cranial. Epitinib was well tolerated. The data to date appears encouraging and warrants further development of epitinib.
