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Management of Locally Advanced NSCLC
Shilpen Patel MD FACRO Department of Radiation Oncology, University of Washington, Seattle, WA 1
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Roadmap Background Evolution of therapy Radiation alone
Sequential chemotherapy and radiation Concurrent chemotherapy and radiation Trimodality versus bimodality Superior Sulcus Tumors Imaging
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Survival Improvement in Stage III NSCLC since 1980’s
17.7 13.8 9.8
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Evolution: Radiation Alone
In the 1970’s stage III NSCLC was an unresectable disease Standard of care was radiation alone
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Evolution: Sequential chemotherapy and radiation
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Cisplatin + vinorelbine
Dillman et al. Improved Survival in Stage III NSCLC: 7yr f/u of CALGB # JNCI Vol 88, No 17: , 1990 & 1996 165 Pts w/ stage III NSCLC randomized to: Cisplatin + vinorelbine Radiation--60Gy Radiation--60Gy
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Median survival improved with chemotherapy
Dillman et al. Improved Survival in Stage III NSCLC: 7yr f/u of CALGB # JNCI Vol 88, No 17: , 1990 & 1996 Median survival improved with chemotherapy 9.7 months with radiation alone 13.8 months with chemotherapy and radiation OS improved at 7 years: 6% with radiation alone 13% with chemotherapy and radiation
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Evolution: Concurrent Chemoradiation
Improvements in Overall Survival and Median Survivals encouraging with sequential therapy Better radiation targeting and improved supportive care for patients allowed investigators to ask if concurrent therapy would be better than sequential
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RTOG 94-10: Curran, et al, J Natl Cancer Inst
RTOG 94-10: Curran, et al, J Natl Cancer Inst Oct 5;103(19): R A N D O M I Z T SEQ cDDP 100 mg/m2 d1, 29 Vlb 5 mg/m2 Q wk X 5 (d1, 8, 15, 22, 29) Standard fractionated RT (60 Gy) d 50 CON- QD cDDP 100 mg/m2 d1, 29 Vlb 5 mg/m2 Q wk X 5 (d1, 8, 15, 22, 29) Standard fractionated RT(60 Gy) d1 595 patients with unresected stage IIIa and IIIb or medically inoperable stage II disease CON- BID cDDP 50 mg/m2 d1, 8, 29, 36 VP mg/m2 d1-5, 8-12, 29-33, 36-40 Hyperfractionated RT (69.6 Gy) d1
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RTOG 94-10: Curran, et al, J Natl Cancer Inst
RTOG 94-10: Curran, et al, J Natl Cancer Inst Oct 5;103(19): Courtesy of Walter Curran, MD
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RTOG 94-10: Curran, et al, J Natl Cancer Inst
RTOG 94-10: Curran, et al, J Natl Cancer Inst Oct 5;103(19): Courtesy of Walter Curran, MD
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RTOG 94-10: Curran, et al, J Natl Cancer Inst
RTOG 94-10: Curran, et al, J Natl Cancer Inst Oct 5;103(19): In Field failure rates Sequential: 38% Concurrent: 33% Hyperfractionated: 25%
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Local Control 65% 65% 65%
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Evolution: Trimodality
With improving survivals despite little or no improvement in local control over the last 30 years, the stage was set for trimodality therapy Improved radiation techniques, improved supportive care and improved surgical techniques made this approach seem feasible
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Intergroup 0139- Albain, et al., 2009
Median F/U 81 months Re-evaluate 2 to 4 weeks post RT; if no PD R A N D O M I Z E Cis/VP16 x 2 cycles w/concurrent XRT 45Gy Stage IIIA (T1-3, pN2, M0) NSCLC N = 429 (396 eligible) Considered Resectable Cis/VP16 x 2 cycles Surgery Cis/VP16 x 2 cycles w/concurrent XRT 45Gy Cis/VP16 x 2 cycles Continue RT to 61GY Re-evaluate 7 days prior to RT completion; if no PD
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Results: Intergroup 0139 Courtesy of Kathy Albain, MD
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Intergroup 0139/RTOG 9309 Progression-Free Survival by Treatment Arms
100 Trimodality ( n=201) Median 12.8 months 5-year 22.4% / / / 80 / 60 / Chemoradiation (n=191) Median 10.5 months 5-year 11.1% / / / / / / / / Percent Alive / / 40 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / 20 / / / / / / / Log rank p = 0.017 / / / / / 6 12 18 24 30 36 42 48 Months
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Intergroup 0139/RTOG 9309 Lancet 8/1/09 Independent Favorable Survival Predictors
Female No weight loss Trimodality Arm pN0 OS=41% pN1-3 OS=24% No Surgery OS=8%
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Joshua Sonett, MD, et al Pulmonary Resection after curative intent radiotherapy (>59 Gy) and concurrent chemotherapy in NSCLC. Ann Thor Surg 2004;78(4) 40 consecutive patients who received high dose radiotherapy and concurrent platinum based chemotherapy between January 1994-May 2000 who then went on to undergo a lung resection. Patients Stage IIB – 7 patients Stage IIIA – 21 patients Stage IIIB – 10 patients Stage IV – 2 patients Stage 4 patients – isolated brain mets, 13 patients had pancoast tumors 16/26 with N2 proven by med and 10/26 seen on CT Chemotherapy-platinum based 30/40 used carbo/taxol 5/40 cis/etoposide 4/40 cis/navelobine 1/40 carbo alone
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Surgery Median time to surgical resection 52.5 days (20-258 days)
Surgeries 29 lobectomies 11 pneumonectomies No post-operative deaths Median ICU time = 2 days Overall length of stay = 6 days One patient developed post pneumonectomy pulmonary edema One patient developed a BP fistula Intercoastal muscle flaps were used prophylactically (not in the patient who developed a BP fistula
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Results 34/40 patients (85%) were downstaged pathologically
33/40 patients (82.5%) had no residual lymphadenopathy 18/40 patients (45%) exhibited a complete pathologic response 22/26 patients (85%) with N2 disease exhibited pathologic confirmed sterilization of their mediastinal disease
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Results Median follow-up was 2.8 years
Overall survival at 1,2, and 5 years is 92%, 67%, 46% respectively. Median overall survival 53 months. Disease free survival at 1, 2, and 5 years is 73%, 67%, 56%. Median disease free survival not reached Failure Pattern 14% Local and distant 29% Brain only 29% Distant only 29% Local only Not prospective but retrospective Single institution Chemotherapy given at various institutions which made the population heterogeneous Most patient got substandard chemotherapy
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RTOG 0229, Suntharalingam IJROBP 2012
CBDCA AUC =2.0, paclitaxel 50 mg/m2 q week x 6, 50.4 Gy to the mediastinum and primary tumor and boost of 10.8 Gy to gross dz Re-evaluate 2 to 4 weeks post RT; if no PD Stage III (pathologically proven N2 or N3) NSCLC N = 60 (57 eligible) CBDCA AUC =6, paclitaxel 200 mg/m2 q 21d x 2. Surgery Median follow-up is 20 months.
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RTOG 0229, Suntharalingam IJROBP 2012
Grade 3/4 toxicities: heme 35%, GI 14%, pulmonary 23%. 43 pts (75%) were evaluable for the primary endpoint; 36 pts underwent resection. 7 pts had residual mediastinal dz. 27/43 (63%) achieved mediastinal clearance. There was a 14% (5/37) incidence of grade 3 postoperative pulmonary complications. There was only one postop grade 5 toxicity (3%). Median age: 59 , 61% M, PS =0: 77%, N2: 98% N3: 2%. Histology: 51% adeno, 19% SCC, 28% NSCLC-NOS. 95% received RT per protocol; 91% received induction chemoXRT as per protocol, 49% with dose modifications.
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RTOG 0229, Suntharalingam IJROBP 2012
With a median follow-up of 24 months for all patients, the 2-year overall survival rate was 54%, and the 2-year progression-free survival rate was 33%. The 2 year survival rate was 75% for those who achieved nodal clearance. Next steps? RTOG 0839 Median age: 59 , 61% M, PS =0: 77%, N2: 98% N3: 2%. Histology: 51% adeno, 19% SCC, 28% NSCLC-NOS. 95% received RT per protocol; 91% received induction chemoXRT as per protocol, 49% with dose modifications.
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Thomas M, Macha HN, Ukena D, et al
Thomas M, Macha HN, Ukena D, et al. Cisplatin/etoposide followed by twice daily chemoradiation versus cisplatin/etoposide alone before surgery in Stage III NSCLC: A randomized Phase III trial of the German Lung Cancer Cooperative Group. Lancet Oncology 2008
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Thomas M, Macha Et al. Lancet Oncology 2008.
Only 54-57% of Stage IIIA patients in either arm underwent a complete resection (R0) MST was not different between the arms (15.5 mo. in chemoradiotherapy and 16.8 mo. in chemotherapy only arm, p=0.97) Radiation was delivered in a non standard form (and we know from RTOG 9410 that BID is inferior!) Pneumonectomy contributed to mortality (14% versus 6%)
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Van Meerbeeck et al JNCI 99(6) p 442-450 EORTC 08941
579 pts stage IIIA N2 NSCLC randomized: Platinum based chemo Surgical Resection Radiation--60Gy Post op radiation to 40% Radiation
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Van Meerbeeck et al JNCI 99(6) p 442-450 EORTC 08941
In the XRT arm, g 3/4 acute and late esophageal and pulmonary toxicity was 4% and 7% Median and 5 y Overall survival (resection versus XRT) was 16.4 versus 17.5 mo and 15.7% versus 14%
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Is long term survival predicted by pathologic response
Is long term survival predicted by pathologic response?/Does mediastinal clearance matter? Rusch VW, Albain KS, Crowley JJ, et al Surgical Resection of Stage IIIA/IIIB NSCLC after induction chemoradiotherapy. J. Thorac Cardiovasc Surgery 1993;105:96-106 Sugarbaker DJ, Herdon J, Kohman LJ, Krasna MJ, Green MR, CALGB Thoracic Surgery Group. Results of CALGB A multiinstitutional phase II trimodality trial for Stage IIIA NSCLC. J Thorac Cardiovasc Surg 1995; 109; Voltoni L, Luca L, Ghiribelli C, Paladini P, Di Bisceglie M, Gotti G. Results of induction chemotherapy followed by surgical resection in patients with stage IIIA NSCLC; the importance of nodal down staging after chemotherapy. Eur J Cardiothoracic Surg 2001;20: Betticher DC, Schmitts S, Totsch M, et al Mediastinal lymph node clearance after docetaxol-cisplatin neoadjuvant chemotherapy is prognostic of survival in patients with stage IIIA pN2 NSCLC:a multicenter phase II trial JCO 21:
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What about superior sulcus tumors?
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Re-evaluate 2 to 4 weeks post RT; if no PD
SWOG 9416 Re-evaluate 2 to 4 weeks post RT; if no PD 2 cycles of chemo Pancoast tumors (n=83) Cis/Etoposide + XRT 45 Gy Surgery Rusch et al. Induction chemoradiation and surgical resection for non–small cell lung carcinomas of the superior sulcus: Initial results of Southwest Oncology Group Trial 9416 (Intergroup Trial 0160). J Thorac Cardiovasc Surg Mar;121(3): eligible patients (92%) had a complete resection The 2-year survival was 55% for all eligible patients and 70% for patients who had a complete resection
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36 patients with Pancoast tumor Stage IIB-IV
Kwong KF, et al High-dose radiotherapy in trimodality treatment of Pancoast tumors results in high pathologic complete response rates and excellent long-term survival. J Thorac Cardiovasc Surg Jun;129(6):1250-7 36 patients with Pancoast tumor Stage IIB-IV R0 resection was achieved in 36 (97.3%) patients High-dose radiotherapy (mean 56.9Gy; range, Gy) was successfully tolerated in all but 1 patient Pathologic complete response was found in 40.5% (n = 15) of patients
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Kwong KF, et al . J Thorac Cardiovasc Surg. 2005 Jun;129(6):1250-7
Operative mortality rate was 2.7% (n=1/37). Significant morbidities occurred in 10 patients (n=10/37, 27% patients) but were variable and without a dominant pattern
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Kwong KF, et al . J Thorac Cardiovasc Surg. 2005 Jun;129(6):1250-7
Recurrences occurred in 50% of patients Distant recurrence accounted for the majority of recurrences (13 patients / 36.1%) Local recurrences in the lung-mediastinum occurred in 5 patients (13.8%)
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Kwong KF, et al . J Thorac Cardiovasc Surg. 2005 Jun;129(6):1250-7
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New technology requires careful planning
Treatment planning cannot make up for drawing the wrong volumes The most radioresistant tumor cell is the one that’s not in the field!
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What about PET?
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Assessing Gross Tumor Volume
PET/CT shows that tumor clearly progresses into the chest wall
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Imaging in Lung Cancer Assessing Gross Tumor Volume
Fused CT/PET shows tumor versus collapsed lung
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CT-then-PET Registration
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PET-CT
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Staging – PET/CT Focal brown fat mimicking supraclavicular node,
CT correlation is critical for this diagnosis – I hope this convinces you of the value of the fused image - may mention the time spent looking for abnormality on a CT ordered because of a PET abnormality
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What Respiratory 4D PET/CT Will Show
… } 3D PET (today) 4D PET (tomorrow)
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Imaging Questions
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Imaging Questions How does the tumor change shape during Rx?
When is the tumor within my fields? Tumor motion, mostly respiratory 4D CT Does motion change during Rx? Infection Response to Rx How often should we re-measure motion? Who would most benefit? How does the tumor change shape during Rx? Second-to-second Day-to-day
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Benefits of Cone Beam CT
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Imaging Questions for Radiation Oncology
Normal tissue function/risk? Interpatient differences Radiosensitivity Underlying disease Pretreatment vs. post treatment imaging Can Dose/function histograms be developed?
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Should we incorporate SPECT?
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Voxel-by-voxel ventilation
Thomas Guerrero, M.D., Ph.D.
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Ventilation
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Ventilation
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Imaging Questions for Radiation Oncology
How do you account for these changes with IMRT or protons? How do doses add together? How do we image biology? Tumor? SUV? MR Spectroscopy? Hypoxia, other markers?
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Take Home Points Current standard of care for stage IIIA/IIIB NSCLC continues to be defined Trimodality is reasonable option on study and/or with well informed patients Role of surgery should be based Nodal Status Performance Status Surgeon experience
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Take Home Points Success of trimodality depends on:
Good radiotherapy techniques Good surgical techniques Higher doses of radiation pre-operatively may improve outcomes Imaging will grow in importance in oncology
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