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Aaron S. Mansfield
Lunch & Poster Display session (ID 58)
- Event: ELCC 2019
- Type: Poster Display session
- Presentations: 1
- Coordinates: 4/11/2019, 12:30 - 13:00, Hall 1
66P - Treatment (tx) characteristics and clinical outcomes in patients (pts) with extensive-stage small cell lung cancer (ES-SCLC) treated with carboplatin (carbo) or cisplatin (cis) in combination with etoposide (etop) in US clinical practice (ID 309)
12:30 - 13:00 | Author(s): Aaron S. Mansfield
For pts with ES-SCLC, guidelines recommend carbo or cis + etop as first-line (1L) tx. However, real-world data (RWD) on tx patterns and outcomes are limited. Here, we describe pt characteristics, tx duration and clinical outcomes associated with these 2 regimens.a9ded1e5ce5d75814730bb4caaf49419 Methods
Pts with ES-SCLC diagnosis (or limited-stage [LS] SCLC who initiated second-line [2L] tx) between 1 Jan 2013 and 31 Aug 2017 (follow-up to 31 Aug 2018) were identified from the US-based Flatiron Health electronic health record–derived database. Pts receiving tx with either carbo + etop or cis + etop were included in the analysis.20c51b5f4e9aeb5334c90ff072e6f928 Results
RWD on 2161 pts from 156 tx centres were included; 84% of pts received carbo + etop. See table below for pt characteristics. The median tx duration was 3.4 mo (95% CI: 3.4, 3.4) with carbo + etop and 3.0 mo (95% CI: 2.8, 3.4) with cis + etop. The distribution of tx cycles administered was similar between carbo and cis, with 20% and 28% of pts completing 4 or 6 cycles, respectively. Median overall survival (OS) was 8.3 mo (95% CI: 8.1, 8.7) with carbo + etop and 9.7 mo (95% CI: 9.3, 11.0) with cis + etop. The 1-yr OS rates were 30% (95% CI: 28, 33) and 41% (95% CI: 36, 47), respectively. In pts with Eastern Cooperative Oncology Group performance status (ECOG PS) 0-1 and ≥ 2, median OS was 9.3 mo (95% CI: 8.6, 9.9) and 7.1 mo (95% CI: 6.3, 8.3), respectively. Pts with unknown ECOG PS had a median OS of 8.4 mo (95% CI: 8.0, 8.9).fd69c5cf902969e6fb71d043085ddee6 Conclusions
Tx duration was similar between the 2 regimens. Pts who received cis + etop had numerically increased OS vs pts who received carbo + etop, as did pts with ECOG PS 0-1. However, these findings may be due to pts receiving cis + etop being fitter (younger and lower ECOG PS) at baseline.b651e8a99c4375feb982b7c2cad376e9 Editorial acknowledgement
Medical writing assistance for this abstract was provided by Steffen Biechele, PhD, of Health Interactions and funded by F. Hoffmann-La Roche, Ltd.934ce5ff971f1ab29e840a35e3ca96e9 Legal entity responsible for the study
F. Hoffmann-La Roche, Ltd.213f68309caaa4ccc14d5f99789640ad Funding
F. Hoffmann-La Roche, Ltd.682889d0a1d3b50267a69346a750433d Disclosure
M. Sebastian: Honoraria, consulting: AZ, BI, BMS, Eli Lilly, Merck Sharp & Dohme, Novartis, Pfizer, Roche; Honoraria: Pierre Fabre; Consulting: Celgene. F. Barlesi: Personal fees/clinical trials (inst.): AZ, BMS, BI, Lilly, Roche, Novartis, Merck, MSD, Pierre Fabre, Pfizer, Takeda; Clinical trials (inst.): AbbVie, ACEA, Amgen, Bayer, Eisai, Genentech, Ipsen, Ignyta, Innate Pharma, Loxo, Medimmune, Sanofi-Aventis. R. Califano: Honoraria/consult: BI; Stock: Christie Private Care; Grants/nonremunerated activities: Clovis, AbbVie; Leadership (nonrem): ESMO; Nonrem membership: EORTC; Honoraria/consult/grants/nonrem activities: AZ, Roche, Pfizer, Lilly, MSD, Takeda, Novartis, BMS. A.S. Mansfield: Research funding (inst.): Novartis, Verily; Honoraria/Ad board (inst.): Genentech, AbbVie, BMS Mesothelioma Applied Research Foundation; Board member (non-rem.) ASCO; Lung Cancer Education Committee member (non-rem). F.H. Blackhall: Grant/research: Roche, BI, AZ, Cellmedica, AbbVie, Pfizer; Advisory board: AZ, Cellmedica, AbbVie, Ipsen, Takeda, Roche; Consulting/speakers: Takeda; Honoraria: Takeda, Roche, AbbVie, Ipsen; Study, editorial support: Roche. E.M. Flahavan: Employee: Roche; Stock: Lilly, Roche; support of parent study and funding of editorial support: Roche. J. Davies: Employee: Roche. P. Arnold: Employee: Roche; Stock: Novartis Pharma AG. S. Morris: Employee, Stock: Roche. M. Reck: Support of parent study, funding of editorial support: Roche; Honoraria for lectures and consulting: Amgen, AbbVie, BI, BMS, Celgene, Merck-Serono, MSD, Lilly, Novartis, Pfizer, Roche.
Carbo + Etop Cis + Etop Pts, n 1815 346 Age, median (IQR), y 68 (61-74) 64 (58-69) 35-64, n (%) 663 (37) 189 (55) 65-69, n (%) 357 (20) 77 (22) ≥ 70, n (%) 795 (44) 80 (23) Male, n (%) 919 (51) 184 (53) White race, n (%) 1383 (76) 259 (75) Baseline ECOG PS, n (%) 0-1 716 (39) 144 (42) ≥ 2 296 (16) 29 (8) Not provided 803 (44) 173 (50) Type of ES-SCLC, n (%) 1L tx of ES-SCLC 1757 (97) 335 (97) 2L tx of LS-SCLC 58 (3) 11 (3)
IQR, interquartile range.
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