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M. Nishio
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MINI 15 - Chemotherapy Developments for Lung Cancer (ID 128)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:L. Crinò, C.P. Belani
- Coordinates: 9/08/2015, 16:45 - 18:15, Mile High Ballroom 1a-1f
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MINI15.01 - A Phase I/II Study Evaluating the Combination of Resminostat and Docetaxel for Platinum-Pretreated NSCLC (ID 700)
16:45 - 16:50 | Author(s): M. Nishio
- Abstract
- Presentation
Background:
Resminostat, an oral hydroxamate-type inhibitor of class I and II histone deacetylases, has shown a broad spectrum of anti-tumor activity against human cancer cell lines, and synergetic or additive effects in combination with docetaxel in non-small cell lung cancer (NSCLC) cell lines. We initiated a phase I/II study to evaluate the safety and efficacy of combining resminostat and docetaxel in patients (pts) with NSCLC pretreated with platinum-based therapy. The purpose of the phase I portion was to evaluate dose-limiting toxicities (DLTs) in the first cycle, estimate the maximum tolerated dose (MTD) of resminostat when administered in combination with docetaxel, and determine the recommended dose (RD) for the phase II portion. Here, we report the results of the phase I portion.
Methods:
NSCLC pts with failure of a platinum-based therapy were eligible for the study. Patients were treated with docetaxel on day 1 and resminostat on days 1 to 5 every 21 days. Phase I was an open-label, 3+3 cohort, dose-escalation study. While the docetaxel dose was fixed at 75 mg/m[2], the resminostat dose was escalated from 400mg (Dose Level 1: DL1) to 600 mg (DL2). DLT was defined as follows: grade 4 thrombocytopenia, grade 4 neutropenia lasting >7 days, febrile neutropenia lasting >3 days, and any other clinically significant grade 3/4 non-hematological toxicity.
Results:
A total of 9 pts (DL1: 3 pts, DL2: 6 pts) were enrolled in the phase I portion: male/female, 6/3; median age, 60 yr (50-71 yr); histologically proven adenocarcinoma/squamous cell carcinoma, 7/2; performance status, 0/1 in 7/2 pts. No DLTs were observed at DL1 or DL2. The most frequent grade 3/4 adverse events in any cycle were neutropenia (8 pts, 88.9%), leukocytopenia (8 pts, 88.9%), and febrile neutropenia (4 pts, 44.4%). These events were transient and resolved prior to the next cycle. No pharmacokinetic (PK) interaction between resminostat and docetaxel was observed. A partial response was observed in 1 pts (DL1) and stable disease in 3 pts (DL2).DL1 N=3 DL2 N=6 PK parameters (Geometric Mean) Resminostat Docetaxel Resminostat Docetaxel C~max ~(ng/mL) 3,010 2,840 5,610 3,140 T~max ~(h) 1.78 1.00 1.47 1.03 AUC~inf~(h∙ng/mL) 11,800 3,030 25,500 3,280 t~1/2~ (h) 2.98 8.21 3.02 8.73
Conclusion:
The combination of resminostat and docetaxel was tolerable up to DL2 (docetaxel 75 mg/m[2], resminostat 600 mg); the MTD was not reached. Dose Level 2 was determined as the RD for the phase II portion of this study, which is currently ongoing.
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MINI 31 - ALK (ID 158)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:S. Malik, I. Ou
- Coordinates: 9/09/2015, 18:30 - 20:00, Mile High Ballroom 1a-1f
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MINI31.12 - Quality of Life for Crizotinib vs. Chemotherapy in Asian ALK-Positive NSCLC Patients (ID 845)
19:35 - 19:40 | Author(s): M. Nishio
- Abstract
- Presentation
Background:
PROFILE 1014 compared the efficacy and safety of the ALK inhibitor crizotinib with platinum based chemotherapy in previously untreated advanced ALK-positive advanced NSCLC (Pfizer; NCT01154140). The primary endpoint was progression-free survival. The main objective of this post-hoc analysis was to compare patient-reported symptom and global quality of life (QOL) between crizotinib and chemotherapy in the subgroup of patients of Asian ethnicity in the ongoing study PROFILE 1014.
Methods:
Patients in the ongoing PROFILE 1014 study were randomized to crizotinib (250 mg PO bid; n= 172) or chemotherapy (pemetrexed 500 mg/m[2] + either cisplatin 75 mg/m[2] or carboplatin AUC 5–6; all IV q3w for ≤6 cycles; n= 171). Patient-reported outcomes were assessed at baseline, day 7 and day 15 of cycle 1, day 1 of subsequent 3-week cycles and end of treatment using the validated cancer specific questionnaire EORTC QLQ-C30 and its lung cancer module QLQ-LC13. Validated translations of the questionnaires in Asian languages (Japanese, Chinese, Korean etc) were made available. Higher scores (range 0−100) indicated higher symptom severity or better functioning/QOL. A positive change from baseline score indicates improvement for global QOL/functioning and deterioration in symptoms. Repeated measures mixed-effects analyses were performed to compare change from baseline scores between the treatment arms, with no adjustments made for multiple comparisons.
Results:
Of 343 patients randomized, 46% were of Asian ethnicity (crizotinib, n=77; chemotherapy, n=80). Completion rates at baseline were ≥95% in each group and scores were balanced. A statistically significantly greater overall improvement from baseline was observed with crizotinib compared with chemotherapy for global QOL (5.6 vs -7.7; p<0.001), emotional functioning (9.5 vs 2.7;p<0.05), physical functioning (5.0 vs - 2.7 p<0.001) and role functioning (3.7 vs. -7.2;p<0.001). A statistically significantly greater overall improvement was observed with crizotinib compared with chemotherapy for cough (-17.3 vs. -11.2; p<0.05), dyspnea (-9.5 vs.-1.1; p<0.001), pain in arm or shoulder (-11.4 vs.-2.2; p<0.001), pain in chest (-7.3 vs.3.3; p<0.001), pain in other parts (-11.2 vs. -0.4;p<0.001), fatigue (-9.9 vs. 3.9; p<0.001), insomnia (-10.3vs. -2.0; p<0.05), pain (-12.2 vs.-1.2; p<0.001) and appetite loss (-5.3 vs. 5.7; p<0.001). A statistically significantly greater overall deterioration was observed in the crizotinib arm for diarrhea (12.6 vs. 2.4; p<0.001) compared with chemotherapy. No statistically significant differences were observed for social functioning, sore mouth, dysphagia, nausea & vomiting, constipation and alopecia between crizotinib and chemotherapy.
Conclusion:
Consistent with previously reported results in the overall study population, treatment with crizotinib showed statistically significantly greater overall improvement in patient-reported lung cancer symptoms and global QOL compared with chemotherapy in the subgroup of patients of Asian ethnicity with previously untreated advanced ALK-positive NSCLC.
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P2.04 - Poster Session/ Biology, Pathology, and Molecular Testing (ID 234)
- Event: WCLC 2015
- Type: Poster
- Track: Biology, Pathology, and Molecular Testing
- Presentations: 1
- Moderators:
- Coordinates: 9/08/2015, 09:30 - 17:00, Exhibit Hall (Hall B+C)
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P2.04-072 - Immunohistochemical PDL1 Expression and Clinicopathological Characteristics in 541 Surgically Resected Non-Small Cell Lung Cancers (ID 2737)
09:30 - 09:30 | Author(s): M. Nishio
- Abstract
Background:
Immune-checkpoint therapy targeting programmed cell death protein 1 (PD1) and programmed cell death protein ligand1 (PD-L1, PDL1, CD274) has been emerging as a new therapeutic strategy for patients with cancer. PDL1 binding to PD1 expressing on the surface of T-cell suppresses activation and proliferation of T-cell. Many types of cancer frequently overexpress PDL1 and escape the immune system. PDL1 expression of tumors may be a useful marker of responsibility for the immune-checkpoint therapy targeting for PDL1. However, the incidence of PDL1 positive cases and related patients’ characteristics among NSCLC is still unclear. The aim of this study is to clarify these unsolved questions.
Methods:
The 541 surgically resected non-small cell lung cancers (NSCLC) between 1994 and 2014 were recruited as following criteria; including primary lung cancer, excluding pathological incomplete resection, limited resection, in-situ carcinoma, small-sized carcinoma, large cell neuroendocrine carcinoma, pleomorphic carcinoma, synchronous or metachronous multiple cancer and metastatic cancer. Tissue microarrays (TMA) were constructed using formalin-fixed paraffin embedded (FFPE) tumor specimen of each representative histologic area. Patients’ characteristics and outcomes were collected from medical chart. The PDL1 expression was evaluated by immunohistochemistry (IHC) using anti-CD274 (PDL1) antibody (Clone ERP1161 (2), Abcam) as primary antibody on 4-micrometer-thick TMA specimen by an auto-staining machine. The results of IHC were evaluated by microscopy and scored with a combination of intensity and proportion. The intensity was defined as negative: 0, weakly positive: 1+, strongly positive: 2+), the proportion was defined positive cell percentage with 10% increments. Based on PDL1 score defined as ∑ [intensity (0, 1, 2) x proportion of each intensity], the tumors were divided as PDL1 positive group (score >50) and PDL1 negative group (score ≤50). We compared between two groups in clinicopathological characteristics and prognosis.
Results:
541 NSCLCs were classified into PDL1 positive (n = 171, 32%) and negative group (n = 370, 68%). The PDL1 positive group was significantly less differentiated (p < 0.001), higher rate of lymphatic (p = 0.010), vascular invasion (p = 0.036), lymph node metastasis (pN1-3) (p = 0.012), and advanced pStage (p = 0.002) compared to negative group. There were no significant differences in sex, age, smoking habit, tumor size, pT factor, and distribution of histological types between two groups. Although the prognostic analysis showed no difference between PDL1 positive vs negative groups (p = 0.861), the histology-based stratification analysis revealed that PDL1 positive squamous cell carcinoma (SqCC, n=28) showed better overall survival rate compared to PDL1-negative SqCC (n=53) (p = 0.018).
Conclusion:
Our data indicated that the PDL1 positive NSCLCs had worse pathological factors, including tumor differentiation, lymphovascular invasion, pN, and pStage, but did not show a statistically significant difference in terms of overall survival rate compared to PDL1-negative group. It is of interest that PDL1 positive SqCC showed a better prognosis than PDL1 negative SqCC.
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P3.01 - Poster Session/ Treatment of Advanced Diseases – NSCLC (ID 208)
- Event: WCLC 2015
- Type: Poster
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 2
- Moderators:
- Coordinates: 9/09/2015, 09:30 - 17:00, Exhibit Hall (Hall B+C)
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P3.01-020 - Updated Data from JP28927 Study of Alectinib in ALK+ NSCLC Patients with or without History of ALK Inhibitor Treatment (ID 346)
09:30 - 09:30 | Author(s): M. Nishio
- Abstract
Background:
Alectinib, a next generation ALK inhibitor, was granted approval in Japan 2014, since it showed good efficacy and tolerability in ALK+ NSCLC patients without previous ALK inhibitor treatment in Phase I/II study (AF-001JP). We also reported its promising response and good tolerability for crizotinib pre-treated patients in JP28927 study (ESMO 2014). This report describes the update of efficacy and safety result in JP28927 study.
Methods:
Patients (with/without prior ALK inhibitor treatment) who had ALK+ NSCLC were enrolled in JP28927. Patients received alectinib (300mg) twice daily; treatment was continued until the investigator determined lack of clinical benefit.
Results:
Thirty-five patients were enrolled into JP28927 study. Median follow-up duration was 400 days (35-457 days). The median progression free survival (PFS) of 35 patients was 13.9 months (95%CI: 11.1- NR). Among 30 patients with the target lesions at base line, the overall response rate (ORR) was 70% (95%CI: 50.6-85.3) with rapid response (the median time to response was 1.2 months [95%CI: 1.1-2.1]). Twenty-three out of 35 patients had been confirmed the progressive disease with crizotinib treatment. Their median PFS was 12.9 months (95%CI: 3.9-NR). Twenty out of 23 patients had the target lesions at base line. ORR was 65% (95%CI: 40.8-84.6) and the median time to response was 1.2 months (95%CI: 1.1-1.3). The treatment-related adverse events (AEs) observed in more than 10% of the patients were constipation (31.4%), dysgeusia (25.7%), WBC count decreased (22.9%), neutrophil count decreased (22.9%), vomiting (14.3%), rash (14.3%), blood bilirubin increased (14.3%) and AST increase (14.3%). Treatment-related Grade 3 AEs, i.e. pulmonary thrombosis, lymphocyte count decrease, hypophosphatemia, were observed in 3 patients. No treatment-related Grade 4 or 5 AEs were observed.
Conclusion:
The updated results in JP28927 study once again endorsed our previous reports which had indicated alectinib’s promising response even for ALK+NSCLC patients who failed to crizotinib treatment.
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P3.01-080 - An Open-Label, Multicenter, Phase 1b/2 Study to Evaluate Necitumumab in Combination with Gemcitabine and Cisplatin in the First-Line Treatment of Patients with Advanced (Stage IV) Squamous Non-Small Cell Lung Cancer (NSCLC) (ID 184)
09:30 - 09:30 | Author(s): M. Nishio
- Abstract
Background:
Necitumumab (N) is a human IgG1 anti-epidermal growth factor receptor (EGFR) monoclonal antibody. Squamous (SQ) histology accounts for 25-30% of non-small cell lung cancer (NSCLC) and gemcitabine combined with cisplatin (GC) is a standard of care for advanced or metastatic SQ-NSCLC. In the previous global randomized, open-label, Phase 3 trial (SQUIRE), compared with GC, the addition of N to GC (GC+N) significantly improved overall survival (OS) (HR=0.84, p=0.012; median 11.5 vs 9.9 months) and progression-free survival (PFS) (HR=0.85, p=0.020; median 5.7 vs 5.5 months). The objective response rate (ORR) was 31% vs 29% (p=0.400), and the disease control rate (DCR) was 82% vs 77% (p=0.043), respectively. The SQUIRE results were an important advance in the search for a new treatment for patients with metastatic SQ-NSCLC, where limited progress has been made over the last two decades. However, only 8% of patients in SQUIRE Trial were Asian and no Japanese institutions participated. We have therefore conducted this Phase 1b/2 trial to evaluate the efficacy and safety of GC+N in Japanese patients with advanced SQ-NSCLC.
Methods:
This trial consists of a Phase 1b and Phase 2 part. Patients with advanced (Stage IV) SQ-NSCLC are eligible for enrollment if they are aged³20 years with an Eastern Cooperative Oncology Group performance status (ECOG PS) 0 or 1; measurable or nonmeasurable disease according to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.0; adequate organ function. GC+N or GC may continue for a maximum of 4 cycles; patients with at least stable disease in GC+N may continue to receive N until disease progression or emerging non-acceptable toxicity. The purpose of Phase 1b part is to determine the recommended dose of the combination of GC (G=1000 or 1250 mg/m[2] iv, Days 1 and 8; C=75 mg/m[2] iv, Day 1; 3-week cycle) and N (800 mg iv, Days 1 and 8; 3-week cycle). Patients are enrolled in 2 cohorts using a conventional 3+3 study design, with dose-escalation of gemcitabine permitted according to the incidence of dose-limiting toxicity (DLT). The Phase 2 part is an open-label, randomized trial to evaluate the efficacy and safety of addition of N to GC. Patients are randomly assigned on a 1:1 basis (Stratification factors: ECOG PS and gender) to GC+N (Arm A) or GC (Arm B). The primary endpoint is OS for which the final analysis will be performed when at least 137 events are observed. The sample size of 180 patients (137 events) has 68% power for a log-rank test at 0.2 one-sided alpha. The secondary endpoints include PFS, ORR, time to treatment failure, Pharmacokinetics, safety and patient-reported outcomes. The relationship between EGFR protein expression level by immunohistochemistry (IHC) and each of several efficacy measures will also be assessed. Translational research analyses will be performed to analyze relevant biomarkers for clinical outcomes. ClinicalTrial.gov Identifier: NCT01763788.
Results:
Not applicable
Conclusion:
Not applicable
