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P. Foucher
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ORAL 03 - New Kinase Targets (ID 89)
- Event: WCLC 2015
- Type: Oral Session
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:F. Blackhall, R. Juergens
- Coordinates: 9/07/2015, 10:45 - 12:15, Mile High Ballroom 4a-4f
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ORAL03.06 - Activity of Crizotinib in MET Amplified NSCLC: Preliminary Results of the AcSé Trial (ID 1200)
11:39 - 11:50 | Author(s): P. Foucher
- Abstract
- Presentation
Background:
Crizotinib (crz) is registered only for the treatment of patients (pts) with ALK-translocated lung cancer. Crz is also a MET inhibitor. MET is amplified in several malignancies. Activity of crz in MET amplified (+) tumors was explored as part of the French National Cancer Institute (INCa) AcSé program, including both access to tumor molecular diagnosis and an exploratory multi-tumor 2-stage design phase II trial. We report here results in pts with MET + NSCLC.
Methods:
MET analysis on formalin-fixed, paraffin-embedded tumor samples was proposed in 170 investigating centers and performed in 28 regional INCa molecular genetic centers. MET+ was explored by FISH in tumor samples showing an IHC score of ≥2+. Pts with a tumor showing > 6 MET copies, whatever the MET/CEN7 ratio, were eligible, providing they were not eligible for any other academic or industry trial evaluating another MET inhibitor. Study treatment consisted in crz 250 mg BID. The objective response rate (ORR) and disease control rate (DCR) were assessed every 8 weeks, using RECIST v1.1.
Results:
From Aug. 5, 2013 to Mar. 1, 2015, 25 pts with MET+ NSCLC were enrolled and received crz. Median age was 59 years (range 30–92). Forty-four percent were females, 92% had tumors of non-squamous histology, and 96% presented with metastatic disease at study entry. Median number of prior treatments was 2 (range 0 – 11). Eight pts were still on treatment at the cut-off date, 17 have stopped crz (15 progressive diseases (PD), 1 adverse event (AE), 1 patient’s choice). Among the 18 pts evaluable for response after 8 weeks, we observed 7 partial responses, 6 stable diseases and 5 PD, leading to an ORR of 39% [95% CI:17-64], and a DCR of72% [47-90]. DCR at 6 months was 22% (4 pts out of the 18 evaluable pts). Crz was well tolerated with only 5 grade ≥3 (2 AE + 3 SAEs) and 3 grade 1-2 SAEs. Most common AEs, mainly grade 1 or 2, were nausea (60% of pts), visual disorders (52%), anemia (52%), elevated transaminases (48%) and vomiting (40%).
Conclusion:
Nationwide biomarker-driven access to crz for pts with MET+ malignancy is feasible. Crz was well tolerated and showed responses in pretreated MET+ lung cancers. Survival data and duration of response will be presented.
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ORAL 34 - Quality/Survival/Prognosis in Localized Lung Cancer (ID 153)
- Event: WCLC 2015
- Type: Oral Session
- Track: Treatment of Localized Disease - NSCLC
- Presentations: 1
- Moderators:B.C. Cho, R.L. Keith
- Coordinates: 9/09/2015, 16:45 - 18:15, 201+203
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ORAL34.01 - Compliance with Follow-Up Programs After Surgery for Non-Small Cell Lung Cancer in the Phase III IFCT-0302 Trial (ID 2148)
16:45 - 16:56 | Author(s): P. Foucher
- Abstract
- Presentation
Background:
In patients operated on for non-small cell lung cancer, several guidelines recommend a follow-up based on regular clinic visits and chest CT-scans. However, evidence to support these recommendations is poor, in the absence of randomized data. The IFCT-0302 trial is a randomized multicenter trial which compared 2 follow-up programs after complete resection for a clinical stage I, II, IIIA and T4 (pulmonary nodules in the same lobe) N0-2 NSCLC (TNM 6[th] edition). We present the results of compliance with the follow-up programs for the first 2 years after randomization.
Methods:
In the CXR arm, follow-up consisted of clinic visit and chest X-rays. In the CCT arm, patients underwent clinic visit, chest X-rays, thoraco-abdominal CT scan plus fiberoptic bronchoscopy (only mandatory for squamous cell and large cell carcinomas). In both arms, procedures were repeated every 6 months after randomization during the first 2 years, and yearly until 5 years, in the absence of recurrence or second primary cancer. Supplementary procedures were allowed in case of symptoms. Primary endpoint was overall survival.
Results:
Between January 2005 and November 2012, 1775 patients were randomized (CXR: 888; CCT: 887). Patient characteristics were well balanced between the two arms : males 76.3%, median age 62 years (range: 33-87), adenocarcinomas 56.7%, stage I-II 82.1%, lobectomy or bilobectomy 86,8%, pre- and/or post-operative radiotherapy 8.7%, and pre- and/or post-operative chemotherapy 45%. Surveillance was performed in 97% of patients at 6 months, in 94% at 12 months, in 90% at 18 months and in 84% at 24 months, and did not differ between the 2 arms. Intervals between randomization and visits were respected with no difference between arms (mean +/-SD in months from randomization: 5.93 +/- 0.84; 11.95 +/- 0.98; 18.05 +/- 0.99; 24.18 +/-1.30, respectively). In the 757 patients of the CXR arm, who had a follow-up visit at 6 months and no recurrence, 754 (99.6%) had a clinic visit and 730 (96.4%) a chest X-ray. In the 706 patients of the CCT arm who had a follow-up visit at 6 months and no recurrence, 702 (99.4%) had a clinic visit, 478 (67.7%) a chest X-ray, 678 (96%) a chest CT-scan, and 342 (48.4%) a bronchoscopy. Comparable compliance results were observed at 12, 18 and 24 months. In the CXR arm, supplementary thoracic CT-scans were done in 119 patients (15.7 %) at 6 months, in 96 (14.4 %) at 12 months, in 78 (13.2%) at 18 months and in 58 (11.4%) at 24 months. Other supplementary procedures were more frequent in the CCT arm than in the CXR arm, consisting mostly of brain imaging (at 6 months, in 93 (13.2%) and 39 (5.2%) patients, respectively, p<.001).
Conclusion:
Compliance with the follow-up programs was excellent in terms of timing. Chest X-ray was often omitted in the CCT arm. In the CXR arm, supplementary CT-scans that did not lead to a diagnosis of recurrence or second primary cancer were performed in 10 to 15% of patients. In the CCT arm, the most frequently performed supplementary procedure was brain imaging.
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