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Anne Madroszyk
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P1.01 - Advanced NSCLC (Not CME Accredited Session) (ID 933)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Track:
- Presentations: 1
- Moderators:
- Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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P1.01-66 - Randomized Phase II Evaluating EGFR-TKI Associated with Anti-Estrogen in Women with Non-Squamous Advanced Stage NSCLC: IFCT-1003 LADIE Trial. (ID 13740)
16:45 - 18:00 | Author(s): Anne Madroszyk
- Abstract
Background
The incidence of lung cancer is increasing dramatically in women with recent findings as the preferential involvement of the EGFR pathway and the potential impact of hormonal factors in women. Preclinical data have shown that the combination of an EGFR-TKI with an anti-estrogen could overcome resistance to EGFR-TKI.
a9ded1e5ce5d75814730bb4caaf49419 Method
IFCT-1003 LADIE Trial was a 2x2 arms parallel open-label randomized phase II trial. PS 0-2 post-menopausal women with advanced stage lung adenocarcinoma were treated with gefitinib (G 250 mg/day) vs. G + fulvestrant 500 mg / month with a supplementary dose at day 15 (G+F) in the EGFR mutated group (EGFR+) in 1st or 2nd line setting or with erlotinib (E 150 mg/day) vs. E + fulvestrant (E+F) in the EGFR wild-type group (EGFR WT) in 2nd or 3rd line setting until progression or unacceptable toxicity. Primary objective was progression-free survival (PFS) at 3 and 9 months for EGFR WT and EGFR+ patients, respectively.
4c3880bb027f159e801041b1021e88e8 Result
From 02/2012 to 03/2017, 204 pts (G 104, G+F 100) and 175 (E 87, E+F 88) were enrolled in the EGFR+ and EGFR WT cohorts respectively. The median number of fulvestrant injections was 10 in the G+F group and 3 in the E+F group. The tolerance was correct (grade 3/4: 24.2% in the G+F group vs 21.3% in the G group, 16.0% in the E+F group vs 13.8% in the E group) and no treatment-related death. In the EGFR+ cohort, the primary endpoint was reached as 54 pts in the G+F group were non-progressive at 9 months. Nevertheless, addition of F to G was not associated with significant better PFS (9.9 vs 10.1 months) or OS (22.1 vs 29.9 months). In the EGFR WT cohort, the primary endpoint was not reached as 29 patients were non-progressive at 3 months. Here also, addition of F to E was not associated with better outcome (PFS 1.8 vs 2.0 and OS 10.0 vs 7.3 months). No PFS difference was observed in the subgroup of patients with positive staining for REα.
8eea62084ca7e541d918e823422bd82e Conclusion
Addition of fulvestrant to EGFR-TKI is feasible and is associated with good PFS in the EGFR mutated group. Nevertheless, the lack of benefit associated with the combination of fulvestrant to EGFR-TKI does not support its future development in a phase 3 trial in women with NSCLC.
6f8b794f3246b0c1e1780bb4d4d5dc53
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P2.15 - Treatment in the Real World - Support, Survivorship, Systems Research (Not CME Accredited Session) (ID 964)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Track:
- Presentations: 1
- Moderators:
- Coordinates: 9/25/2018, 16:45 - 18:00, Exhibit Hall
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P2.15-29 - Eligibility for Anti-Angiogenic Treatments in Patients with Squamous Non-Small Cell Lung Cancer (SQ-NSCLC): EPISQUAMAB Study (GFPC 2015-01) (ID 11338)
16:45 - 18:00 | Author(s): Anne Madroszyk
- Abstract
Background
Antiangiogenic treatments are today restricted to non-squamous NSCLC. New drugs, like ramucirumab, have been approved in second line setting for advanced NSCLC regardless histology but there is little information about the rate of squamous NSLC eligible to these treatments. This descriptive, prospective, observational study aimed to assess the rate of squamous advanced NSCLC patients eligible to anti-angiogenic treatments.
a9ded1e5ce5d75814730bb4caaf49419 Method
Each participating center had to include consecutive relapsed advanced SQ-NSCLC and to assess the presence of common criteria which restricted the use of antiangiogenic treatments (hemoptysis, cardiovascular diseases, tumoral extension to blood vessels and tumoral cavitation).
4c3880bb027f159e801041b1021e88e8 Result
From july 2016 to july 2017, 317 patients were included: 256 (80.8%) men, PS0/1/2 in 30.5%/54.5%/14.9% patients, stage IV in 74.5% of cases. Ineligibility criteria for anti-angiogenic therapy were found in 53.6% of patients (one single criteria in 29,3%, two criteria in 19,9%, three in 3.5%). The main reasons for ineligibility was as followed: blood vessel extension 39.8%, cavitation 20.5%, hemoptysis 7.2%, cardiovascular diseases 12.1%.
Table described patients characteristics according to the ineligibility criteria: Cavitation had the highest number of metastatic disease, cardiovascular diseases the highest number of men and number of metastatic site.
8eea62084ca7e541d918e823422bd82e Conclusion
In a non-selected advanced SQ-NSCLC population, only half of these patients are ineligible to a second line anti-angiogenic treatments with a wide majority of tumoral blood vessel extensions and cavitations.
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In collaboration with the GFPC* team and supported by an academic grant from Lilly pharmaceuticals.
*GFPC: French Lung Cancer Group
6f8b794f3246b0c1e1780bb4d4d5dc53
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P3.03 - Biology (Not CME Accredited Session) (ID 969)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Track:
- Presentations: 1
- Moderators:
- Coordinates: 9/26/2018, 12:00 - 13:30, Exhibit Hall
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P3.03-27 - Somatic BRCA1/2 Mutations in Advanced NSCLC Patients: Description of a Sub-Population from the Ongoing Unicancer SAFIR02-Lung / IFCT-1301 Trial (ID 13332)
12:00 - 13:30 | Author(s): Anne Madroszyk
- Abstract
Background
Molecular profiling is considered standard of care in advanced NSCLC. Identification of druggable molecular alterations may enhance the percentage of patients suitable for personalized treatment.
a9ded1e5ce5d75814730bb4caaf49419 Method
From 04/2014 to 03/2017, 602 newly diagnosed,advanced NSCLC patients (pts) were enrolled in SAFIR02-Lung trial (NCT02117167). Molecular profile provided information on copy number alterations and mutations on 71 oncogenes and tumor suppressor genes. The profile was performed for 420 pts (70%) on archival tissue or frozen tissue collected from a new biopsy performed before the 3rd cycle (tissue or liquid) of chemotherapy. The frequency of BRCA mutation (mut) was assessed and clinicopathologic data collected. A homologous recombinant deficiency (HRD) score was performed on the copy number variations (CNV) data and the germline status was based on blood analysis. The BRCAshare database was the reference for the variants classification.
4c3880bb027f159e801041b1021e88e8 Result
18 pts were identified with BRCA alterations. BRCA variants of unknown significance were detected in 11 pts (2.6%). Response to chemotherapy according to RECIST 1.1 by investigator was: 6 stable disease (SD), 1 partial response, and 4 progressive disease (PD). CNV profile was evaluable for HRD in 6 out of 11 pts, with 50% positive.
Seven pts (1.7%) were identified with deleterious BRCA-mut. 2 pts (0.5%) harboured germline BRCA2-mut (1 with breast cancer familiar history). Both pts had SD to chemotherapy. Somatic BRCA-mut was identified in 5 pts (1.2%, 2 BRCA1- and 3 BRCA2-mut). All were male, 100% adenocarcinoma, 75% smokers of 40 pack/year, 1 pt with familial cancer history, and 80% of pts had bone metastases. Response to chemotherapy was: 4 SD, and 1 PD. Three of 7 corresponding CNV profiles were evaluable for HRD score analysis with 100% positive.
8eea62084ca7e541d918e823422bd82e ConclusionN=420
BRCA alterations (N=18)
BRCA VUS
N=11
BRCA deleterious
N=7
Somatic
6
5
Germline
5
2
HRD positive- Somatic
Germline
3/6*
2
1
3/3*
3
0
VUS: variants of unknown significance
*Amongst patients with available samples for analysis
Pathogenic BRCA1/2 mutations occur in 1.7% of advanced NSCLC with 71% of somatic mutations suggesting its value for exploring new therapeutic strategies in this population
6f8b794f3246b0c1e1780bb4d4d5dc53
