What to do in stage III non small-cell lung cancer? Miklos Pless 28. November 2013 CRT: Concomitant vs. Sequential Meta-Analysis 2010 (HR 0.84, Cochrane 0.74) Auperin, JCO 2010 2 CRT: Chemotherapy type not so important? CALGB 9431 (phase II) Vokes, JCO 2007 3 CRT: Role of induction chemotherapy CALGB 39801 Vokes, JCO 2007 4 CRT: role of consolidation CT after CRT? 45 trials, 9 phase III, 36 phase II with 51 arms No difference between the two groups, med OS: CT 18.5 mo vs no CT 18.1 mo Yamamoto S. et al., J. Clin. Oncol. 30, 2012, suppl. Abstr.7000 5 CRT: role of hyperfractionation RTOG 9410 Arm 3: 70 Gy: 1.2 Gy 2x/d Arm 2: 63 Gy: 1.8 Gy/d HR 0.925 Curran, JNCI 2011 6 CRT: Role of high doses of RT RTOG 0617 7 Bradley , ASCO 2013 Operable stage IIIA: Adjuvant Chemotherapy: OS better! Winton, NEJM 2005 8 Operable Stage IIIA Does adjuvant RT help? NO! PORT Cochrane, 2010 9 JNCI, 2007 •Unresectable (?) N2 •With response to Induction 3 x Cis/Carbo + X •OP vs. RT (60 Gy) •1. EP: OS •50% complete resection! •41% downstaging to ≤ypN1 10 Lancet 2009 Resectable N2 Induction CRT: 3x Cis/Eto + RT 45 Gy If no PD: RT to 61Gy vs. OP 1. EP: OS 11 OS PFS The activity of the SAKK group SAKK 16/96 (Phase II) 3 x Cisplatin/Taxotere neoadjuvant (Betticher, JCO 2003) Overall Survival (ITT population, n=90) Overall survival 1 complete .8 resection .6 all .4 .2 incomplete p<0.0001 0 resection 0 12 10 20 30 40 50 60 Months Is trimodal better than bimodal? SAKK 16/00 Stratification factors: Mediastinal bulk (≥5cm vs. <5cm), weight loss (≥5% vs. <5% in past 6 months), center Arm A: RT Chemotherapy * 3-4 weeks Radiotherapy * Surgery 44 Gy in 22 fractions in 3 weeks CDDP 100mg/m2 d1 x 3 cy q3w Accelerated conc. boost DXT Arm B: no RT Randomization 3 weeks 85mg/m2 d1 x 3 cy q3w +G-CSF Chemotherapy 3-4 weeks * Surgery * Staging: (PET-) CT: PD went off study 13 Presented by: Miklos Pless Overall Survival 1 // // / // / / // // / /// / / 0.8 Overall Survival Treatment RT no RT / // /// / 0.6 Median OS (95% CI) 27.1 (18.8, 42.8) 26.2 (21.0, 52.1) HR = 1.145 (95% CI: 0.786-1669) / // / // /// / / ///// / 0.4 // / / /// ///// /// / /// // / // // / / / / / / / // 0.2 / / Chemo/RT/Surgery Chemo/Surgery 0 0 # at risk RT 98 no RT 97 14 24 48 72 96 120 144 6 2 1 0 0 0 Time (months) 43 41 Pless ASCO 2013 19 21 7 10 Stage III • Very heterogeneous disease • <30% can be cured (70-80% are NOT!) • Both local and distant relapse are a problem! • Requires bimodal treatment • always Chemotherapy: minor effect • Surgery vs. Radiotherapy? • Trimodal treatment? 15 Summary & Conclusions Which Chemotherapy? (Cis-)Platinum based, concurrent type and dose Which Radiotherapy? >60 Gy, less than 70 Gy type, dose, fraction Which combination? Surgery + Chemotherapy Stage IIIA/N2 Radiotherapy + Chemotherapy Stage IIIB/IIIA? all three? Probably not 16