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G. Romano
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P1.06 - Poster Session with Presenters Present (ID 458)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 12/05/2016, 14:30 - 15:45, Hall B (Poster Area)
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P1.06-017 - Observational Study on Prolonged Disease Stabilization in Advanced NSCLC EGFR WT/Unknown Patients Treated with Erlotinib in Second Line (ID 4998)
14:30 - 14:30 | Author(s): G. Romano
- Abstract
Background:
In advanced NSCLC, erlotinib treatment was shown to improve survival independently of EGFR status and induce high rates of prolonged stable disease (SD). It has previously been reported that, after second-/third-line erlotinib, PFS and OS are long-lasting and similar between patients with SD ≥8 months and those attaining partial/complete response (PR/CR). The present study investigated the clinical value of SD in a real-world setting of advanced NSCLC.
Methods:
This Italian multicenter observational study enrolled patients with stage IIIB-IV NSCLC on second-line erlotinib and wild-type/unknown EGFR mutational status, with SD, CR or PR per RECIST v1.1 lasting for ≥4 weeks. Patients were observed from the beginning of erlotinib for approximately 8 months or until death. Primary end-points were the rate and duration of SD (i.e. time interval from erlotinib start to the last evidence of SD by RECIST) or CR+PR. Secondary end-points were OS and PFS (i.e. time interval from the erlotininb start to the first evidence of progression), estimated by the Kaplan-Meier method and calculated by response duration or disease stabilization. Adverse events occurring during the observation period were also recorded.
Results:
At the cut-off date of 30/04/16, 144/172 (83.7%) enrolled patients were evaluable for response (mean age 69.1 years, 61.8% males). At the start of erlotinib treatment, 85.4% were non-smokers, 89.6% had an ECOG-PS of 0-1, and 84.7% had stage IV NSCLC (83.3% adenocarcinoma and 11.8% squamous cell carcinoma). Following second-line erlotinib, 82.6% (119/144) of patients achieved SD and 17.4% (25/144) PR. Notably, SD was maintained for ≥8 months in 27% (39/144) of cases. At the end of the observation period, 12 (8.3%) patients had deceased, none with SD ≥8 months. Median OS had not been reached by the entire population. According to SD duration, median OS was 4.3 months if <2 months, 6.8 if between 2 and 5 months, and not reached if ≥5 months or if PR. Median PFS was 9.0 months in the entire population, 8.7 among patients with SD and 10.8 with PR. According to SD duration, PFS was 1.4 if <2 months, 4.4 months if between 2 and 5 months, 7.5 if between 5 and 8 months and 10.5 if ≥8 months. No unexpected toxicities were observed.
Conclusion:
In advanced NSCLC, second-line erlotinib yielded a high rate of SD, lasting ≥8 months in 27% of cases, with PFS similar to PR patients and low mortality rate.
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P2.06 - Poster Session with Presenters Present (ID 467)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Scientific Co-Operation/Research Groups (Clinical Trials in Progress should be submitted in this category)
- Presentations: 1
- Moderators:
- Coordinates: 12/06/2016, 14:30 - 15:45, Hall B (Poster Area)
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P2.06-024 - Tedopi vs Standard Treatment as 2nd or 3rd Line in HLA-A2 Positive Advanced NSCLC Patients in a Phase 3, Randomized Trial: ATALANTE-1 (ID 5329)
14:30 - 14:30 | Author(s): G. Romano
- Abstract
Background:
HLA-A2 is expressed in 40 to 50% of NSCLC patients. TEDOPI is a combination of neoepitopes that generates cytotoxic T lymphocytes responses. It consists of nine HLA-A2 supertype binding epitopes covering five tumor-associated antigens overexpressed in advanced NSCLC and the universal helper pan-DR epitope. In a phase II trial (NCT00104780, Barve et al. JCO 2008), TEDOPI showed a promising median overall survival of 17.3 months with a manageable safety profile in pre-treated HLA-A2 positive patients with advanced NSCLC. ATALANTE-1 (NCT02654587) is a randomized, open-label, phase 3 study comparing the efficacy and safety of TEDOPI with standard treatment in HLA-A2 positive patients with advanced NSCLC, as second- or third-line therapy.
Methods:
Section not applicable
Results:
Trial design: Patients with advanced NSCLC without EGFR-sensitizing mutations or ALK rearrangements, with progressive disease to first-line platinum-based chemotherapy or second-line immune checkpoint inhibitors (IC) are eligible if they have HLA-A2 positivity and ECOG PS 0-1. Treated and asymptomatic brain metastases are allowed. Patients are randomized 1:1 to receive 1 ml TEDOPI subcutaneously Q3W for 6 cycles, then every two months for the reminder of the year and finally every three months or standard treatment with: 75 mg/m[2] docetaxel Q3W or 500 mg/m[2] pemetrexed Q3W (in non-squamous histology and pemetrexed-naïve patients). In both arms, treatment continues until progression, intolerable toxicity, consent withdrawal, or investigator decision. In TEDOPI arm, treatment may continue beyond initial radiographic disease progression in case of clinical benefit. Randomisation is stratified by histology (squamous vs. non-squamous), initial response to first-line chemotherapy (partial or complete response vs. stabilization or progression), and previous treatment with IC (yes vs. no). Tumor assessment is performed every 6 weeks and adverse events are collected throughout the study and for 60 days and 90 days thereafter and graded per NCI CTCAE v4.0. Archival biopsies samples are required for assessing PD-L1 status (IHC22C3 pharmDx from Dako). Primary endpoint is overall survival; and secondary are progression free survival based on RECIST 1.1 criteria, objective response rate, disease control rate, duration of response, and quality of life measured by QLQ-C30 and QLQ-LC13 global scores. This is a superiority study with a hazard ratio of 0.7391, two-sided alpha 5% and power 80%, after 356 events are observed over 500 patients. The first patient was enrolled on 25th January 2016. Enrolment is ongoing in Europe and the US. Clinical trial identification: NCT02654587 Legal entity responsible for the study & Funding: OSE Immunotherapeutics, France
Conclusion:
Section not applicable
