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Jian Fang
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MA 03 - Chemotherapy (ID 651)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:Jin-Hyoung Kang, W. Su
- Coordinates: 10/16/2017, 11:00 - 12:30, Room 502
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MA 03.03 - Nedaplatin plus Docetaxel versus Cisplatin plus Docetaxel as First-Line Chemotherapy for Advanced Squamous Cell Carcinoma of the Lung (ID 8154)
11:10 - 11:15 | Author(s): Jian Fang
- Abstract
- Presentation
Background:
A previous phase III randomized trial improved overall survival of patients with advanced or relapsed squamous cell lung carcinoma, compared with cisplatin plus docetaxel. However, evaluation of nedaplatin plus docetaxel’s effect on progression free survival (PFS) and time to progression (TTP) was limited.
Method:
To compare the efficacy and safety of nedaplatin plus docetaxel and cisplatin plus docetaxel. In this randomized, open-label, multicenter trial, patients diagnosed with advanced or relapsed squamous cell carcinoma pathologically or cytologically were enrolled in China. All the patients have no previous oncology medication. Patients were randomly assigned (1:1) to 80 mg/m² nedaplatin and 75 mg/m² docetaxel intravenously, or 75 mg/m² cisplatin and 75 mg/m² docetaxel, every 3 weeks for four cycles. The primary end points was PFS. Secondary endpoints included TTP and best overall response. The efficacy endpoint were analyzed in the intention-to-treat set and in the per protocol set. （Clinical trial number: NCT02088515; Funding:Jiangsu Simcere Pharmaceutical Co., Ltd.）
Result:
From December 2013 to December 2015, 286 patients were randomly assigned. Two hundred and eighty patients were included in the modified intention-to-treat analysis (141 in the nedaplatin group and 139 in the cisplatin group). In the intention-to-treat analysis set, median PFS was 4.63 months (95% confidence interval (CI), 4.43-5.10) in the nedaplatin group and 4.23 months (95% CI, 3.37-4.53) in the cisplatin group. PFS did not differ significantly between two groups (log-rank test, p =0.056). In per protocol set, PFS was significantly longer in the nedaplatin group (median 4.63 months, 95% CI, 4.43-5.10) than in the cisplatin group (median 4.27 months, 95% CI, 3.37-4.53; hazard ratio 0.760, 95% CI 0.585-0.989; p=0.039, log-rank test). Best overall response and TTP were improved in nedaplatin group than in cisplatin group (p= 0.002, median 4.57(4.30-4.80) vs 3.67(3.13-4.43) p= 0.020, respectively) in the intention-to-treat analysis set. Grade III or IV adverse events was more frequent in the cisplatin group than in the nedaplatin group (46 of 141 patients in the nedaplatin group and 62 of 139 in the cisplatin group, p=0.039). Grade 3 or worse nausea (0 vs 7) and fatigue (1 vs 3) were more frequent in the cisplatin group than in the nedaplatin group.
Conclusion:
There was no significant difference of PFS between cisplatin group and nedaplatin group. However, more adverse events was observed in the cisplatin group than in the nedaplatin group. Nedaplatin plus docetaxel could be a new treatment option for advanced or relapsed squamous cell lung cancer.
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OA 09 - EGFR TKI Resistance (ID 663)
- Event: WCLC 2017
- Type: Oral
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:Thanyanan Reungwetwattana, Lecia V Sequist
- Coordinates: 10/17/2017, 11:00 - 12:30, Room 301 + 302
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OA 09.06 - A Phase Ib Trial of Savolitinib plus Gefitinib for Chinese Patients with EGFR-Mutant MET-Amplified Advanced NSCLC (ID 8995)
11:55 - 12:05 | Author(s): Jian Fang
- Abstract
- Presentation
Background:
EGFR-tyrosine kinase inhibitor (TKI) treatment failure has been attributed to innate and/or acquired MET-amplification in patients with advanced EGFR-mutant NSCLC. Savolitinib (volitinib, HMPL-504, AZD6094), a highly selective small molecule MET-TKI, demonstrated greater efficacy combined with gefitinib than either compound alone in preclinical EGFR-mutant NSCLC models (D’Cruz et al. AACR, 2015).
Method:
This open-label, multi-centre, Phase Ib study (NCT02374645) assessed savolitinib plus gefitinib in patients enrolled in China with EGFR-mutant advanced NSCLC who progressed on prior EGFR-TKI. Primary objective was safety, tolerability, and identification of recommended Phase II dose (RP2D). Secondary objectives included preliminary anti-tumour activity (RECIST 1.1), pharmacokinetics, and ctDNA analysis for EGFR T790M mutation status. Eligible patients (≥18 years) had measurable disease, radiological disease progression on treatment, ECOG performance status 0/1, and adequate organ function. Patients had central evaluation of EGFR mutation (plasma based BEAMing digital PCR) and central screening for MET-amplification (MET/CEP7 ratio ≥2 or MET gene number ≥5, defined by tumour tissue FISH). Patients received gefitinib 250 mg once daily (QD) plus savolitinib 600 mg QD.
Result:
As of data-cut off (March 2017), 44 patients received study treatment. Median age was 61 years, 64% of patients were female; 6 patients were EGFR T790M positive and 5 were T790M negative (interim readout). The most common (≥20% patients) all causality adverse events (AEs), were vomiting (n=18, 41%), nausea (n=17, 39%), rash (n=16, 36%), increased ALT (n=14, 32%), increased AST (n=13, 30%), hypoalbuminaemia and gamma‑glutamyl transpeptidase increase (both n=11, 25%), and increased blood alkaline phosphatase (n=9, 21%). Grade ≥3 all causality AEs were reported in 14 (32%) patients; increased AST and increased ALT (both n=3, 7%) were most frequent. Three (7%) patients died due to an AE (respiratory failure [n=1], lung neoplasm [n=2]); none were considered treatment related. Anti-tumour activity was observed; confirmed partial responses were reported in 11/44 (25%) patients and a further 4 patients are awaiting confirmation of response (confirmed and unconfirmed response rate 15/44 [34%]). At the time of the scheduled 12 week study assessment, 20 (46%) patients remained on study treatment. Preliminary steady-state exposures and pharmacokinetic parameters of savolitinib and gefitinib were consistent with historical data.
Conclusion:
These encouraging findings warrant further assessment of savolitinib plus gefitinib for patients with EGFR-mutant, MET-amplified NSCLC who progressed on prior EGFR-TKI. The RP2D was confirmed as savolitinib 600 mg QD plus gefitinib 250 mg QD. This study is ongoing; updated safety and efficacy including anti-tumour activity by T790M status will be presented.
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P1.17 - Thymic Malignancies/Esophageal Cancer/Other Thoracic Malignancies (ID 703)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Thymic Malignancies/Esophageal Cancer/Other Thoracic Malignancies
- Presentations: 1
- Moderators:
- Coordinates: 10/16/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P1.17-011 - Efficacy and Toxicities of Gemcitabine and Cisplatin Combination Chemotherapy in Advanced Thymoma and Thymic Carcinoma (ID 9411)
09:30 - 09:30 | Presenting Author(s): Jian Fang
- Abstract
Background:
Thymoma and thymic carcinoma are rare thymic epithelial tumours. This study investigated the efficacy of first-line gemcitabine and cisplatin combination chemotherapy in advanced thymoma and thymic carcinoma.
Method:
Retrospective review of patients with histologically-confirmed invasive, metastatic thymoma or thymic carcinoma treated with gemcitabine plus cisplatin as a first-line therapy between August 2008 and July 2016 at the Department of Respiratory Medicine II Peking University Cancer Hospital and Institute. The objective response rate was the primary end point.
Result:
Forty patients, 14 with thymoma and 26 with thymic carcinoma, were identified. 19 received gemcitabine and cisplatin combined with Endostar (injectable recombinant human Endostatin); 21 received gemcitabine and cisplatin only. Of the 14 patients with thymoma, five (35.7%) achieved a partial response (PR) and nine (64.3%) had stable disease (SD); no patients had a complete response (CR) or progressive disease (PD). Among the 26 patients with thymic carcinoma, 14 (53.8%) achieved a PR, 12 (46.2%) had SD; no patients had a CR or PD. In thymic carcinoma, median progression free survival (PFS) was 16 months and median survival (OS) was 41 months; in thymoma, median PFS was 29 months and median OS was 68 months. In chemotherapy combined Endostar group, median PFS was 25 months and median OS was 68 months. In chemotherapy only group, median PFS was 18 months and median OS was 31 months. But PFS and OS were not significantly different between chemotherapy combined Endostar and chemotherapy only (P = 0.931, P = 0.184; respectively).Figure 1
Conclusion:
This retrospective analysis indicates gemcitabine plus cisplatin has moderate efficacy and could represent a suitable first-line therapy for thymic carcinoma and thymoma, especially for patents who cannot tolerate anthracyclines.Chemotherapy combined with anti-vascular drug Endostar may improve the OS of patients with thymic carcinoma or thymoma, but more patients need to be included in the study.
