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Early Stage NSCLC: The Role of Chemotherapy

Early Stage NSCLC: The Role of Chemotherapy. Eric Vallieres, MD . USA 2003. Clinical IB, IIA, IIB diseases. Resection by lobectomy or more if cardiopulmonary reserves 5-y Survival = 20-40 % Adjuvant Therapy ? Induction Therapy ?. cT2N0 RUL NSCLC. Adjuvant Radiotherapy.

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Early Stage NSCLC: The Role of Chemotherapy

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  1. Early Stage NSCLC: The Role of Chemotherapy Eric Vallieres, MD

  2. USA 2003

  3. Clinical IB, IIA, IIB diseases • Resection by lobectomy or more if cardiopulmonary reserves • 5-y Survival = 20-40 % • Adjuvant Therapy ? • Induction Therapy ? cT2N0 RUL NSCLC

  4. Adjuvant Radiotherapy

  5. Adjuvant Radiotherapy N2 appeared to gain 1 month in survival...

  6. MRC LCWP Stephens et al, Br J Cancer 1996

  7. Adjuvant Radiotherapy No improvement in survival Improved loco-regional control with squamous histology (LCSG 773) but systemic failures lead to death...

  8. Adjuvant Chemotherapy

  9. Adjuvant Chemotherapy ALPI (Adjuvant Lung Project Italy) Tonato, PASCO 2002 abstract 1157

  10. Events/Total CT 278/548 Control 288/540 HR=0.96 (0.81 - 1.13) p=0.585 Overall Survival PROBABILITY Median f/up of 63 months YEARS

  11. Adjuvant Chemotherapy Over the last 30 years, on trial, the delivery of the intended chemotherapy has been consistently poor: LCSG 801 (CAP * 4) = 53% JCOG 8601 (C Vd *3) = 68% ALPI (MVdP * 3) = 70%

  12. Clinical IB, IIA, IIB diseases • Resection by lobectomy or more if cardiopulmonary reserves • 5-y Survival = 20-40 % • Adjuvant Therapy = NO • Induction Therapy ? Scan not available cT2N0 RUL NSCLC

  13. 3 cycles carboplatin/ paclitaxel re-imaged 4 weeks later Pre Post Scans not available

  14. Induction ChemotherapyThe BLOT Phase II Study Pisters K et al., J Thor CV Surg 2000; 119:429-439

  15. The BLOT Study 94 patients 98% completed induction chemo as planned Clinical major RR: 53/90 ( 58.9%) Pisters K et al., J Thor CV Surg 2000; 119;429

  16. The BLOT Study Progression during induction: 3/98 ( 3%) Pisters K et al., J Thor CV Surg 2000; 119;429

  17. The BLOT Study 86/94 were explored 77/ 94 had a R0 resection ( 82%) One postoperative death Operative morbidity comparable to historical series of Surgery alone Pisters K et al., J Thor CV Surg 2000; 119;429

  18. The BLOT Study Induction carboplatin/ paclitaxel chemotherapy is safe and feasible prior to resection of clinical early NSCLC Pisters K et al., J Thor CV Surg 2000; 119:429-439

  19. Induction ChemotherapyTheDepierre Phase IIIStudy Adjuvant RT for pT3 and pN2 Depierre et al., Proc ASCO 1999, abstract 1792

  20. The Depierre Study OP MIP>OP Median survival (months) 26 p=0.11 36 Survival @ 1 y (%) 73 NS 77 @ 2y (%) 52 NS 59 @ 3y (%) 41 NS 49 Operative mortality 4.5% NS 7.8% Depierre et al., J Clin Oncol 2001; 20: 247-53

  21. Overall Survival 100 _ _ 80 _ PCT PRS _ Reference date : Nov 1, 2000 60 _ _ 40 _ _ _ 20 p = 0.15 _ Patients at risk | | | | | | 0 1 2 3 4 5 6 Years PCT arm 179 138 105 87 64 33 20 PRS arm 176 129 92 67 51 32 21

  22. Induction chemotherapyPerioperative complications ? Vanderbilt Historical comparison Induction PC Surgery alone N 34 67 Stages 2.52 <0.001 1.55 age, PFT, comorbid. = Life Threat. Comp. (%) 27% 0.0036 6% Reintubation 17.6% 0.0093 3% Tracheostomy 12% 0.0042 -- Mortality 5.6% 0.045 -- Roberts et al., Ann Thorac Surg 2001; 72: 885-8

  23. The Depierre Study 30 day operative mortality MIP> S n=179 7.8% S n=176 4.5% NS Breton JP et al., Proc ASCO 2001, abstract 1239

  24. The Depierre Study 30 day operative morbidity MIP> S 39 in 33 pts S 27 in 25 pts NS Breton JP et al., Proc ASCO 2001, abstract 1239

  25. The Depierre Study BPF/ empyemas MIP> S 10* ( 8 early + 2 late) S 5 NS *8/10 in N2 pts, 9/10 after pneumonectomy Breton JP et al., Proc ASCO 2001, abstract 1239

  26. The Depierre Study Pulmonary infections MIP> S 10 S 11 NS Breton JP et al., Proc ASCO 2001, abstract 1239

  27. Does induction chemotherapy (without radiation) really increase the morbidity and mortality of lung resection ?

  28. Randomized Data Stage III Experience

  29. RESECTABLE N2 DISEASE Pre chemotherapy Post chemotherapy Scans not available

  30. Induction ChemotherapyThe Roth Phase III Study (MDACC) Roth J NCI May 1994

  31. Induction ChemotherapyThe Rosell Phase III Study Adjuvant mediastinal RTx 50 Gy Rosell NEJM Jan 1994

  32. Operative risks after induction chemotherapy Phase III dataOPERATIVE MORTALITY • Pass 1992 CS(EP)>S> RT (n=13) 0% S>RT (n=14) 0% • Rosell 1994 CS(MIP)>S > RT (n=30) 2/30 6.67% S > RT (n=30) 2/30 6.67% [all 4 deaths (2+2) were respiratory] • Roth 1994 CS(CyEP)>S (n=28) 0* S alone (n=32) 6 * had 3 treatment related deaths Pass, Ann Thor Surg 1992; Rosell, NEJM 1994; Roth, J NCI 1994

  33. Retrospective Data

  34. Operative risks after induction chemotherapy MDACC Aug 1996 to Apr 1999 335 consecutive “lobectomies or more” for NSCLC • 76 after induction chemotherapy • 259 surgery alone Prospective data collection of peri-operative events Siegenthaler et al., Ann Thor Surg 71:1105, 2001

  35. Operative risks after induction chemotherapy MDACC (-ed) Induction chemotherapy: carboplatin/ paclitaxel in 93% of pts Siegenthaler et al., Ann Thor Surg 71:1105, 2001

  36. Operative risks after induction chemotherapy Siegenthaler et al., Ann Thor Surg 71:1105, 2001

  37. Operative risks after induction chemotherapy MDACC (-ed) Stage specific analysis : no difference in morbidity of CS vs. S alone Multivariate analysis: only CAD and pneumonectomy were independent risk factors for a major postoperative event. Siegenthaler et al., Ann Thor Surg 71:1105, 2001

  38. Operative risks after induction chemotherapy MSKCC Jan 1993 to Dec 1999 412 pulmonary resections after induction therapy ( ages ranged 25-82) Preop chemotherapy: carboplatin/ paclitaxel 32% MVP 38% Preop radiotherapy as well : 18% Martin J et al., Ann Thorac Surg 2001; 72: 1149-54

  39. Operative risks after induction chemotherapy MSKCC (-ed) 297 lobectomies ( 9 sleeves, 26 bilobectomies ) 97 pneumonectomies ( 20%) 18 lesser resections, 58 O&C 22% were extended resections Martin J et al., Ann Thorac Surg 2001; 72: 1149-54

  40. Operative risks after induction chemotherapy MSKCC (-ed) Operative mortality Overall 3.8% Lobectomy 2.4% Left Pneumonectomy 0% Right Pneumonectomy 23.9% • Multivariate analysis: right pneumonectomy was the only predictor of mortality Martin J et al., Ann Thorac Surg 2001; 72: 1149-54

  41. Operative risks after induction chemotherapy MSKCC (conclusion) Major morbidity 26.6% , mainly respiratory Multivariate analysis: Increased operative blood loss, low FEV1 and right pneumonectomy were the only independent predictors of post-operative morbidity The type of induction regimen was not a risk factor. Martin J et al., Ann Thorac Surg 2001; 72: 1149-54

  42. Operative risks after induction chemotherapy Does induction chemotherapy without radiationtherapy really increase the morbidity and mortality of lung resection ? Probably not… but most of the data published so far is either retrospective and/or comparing to historical controls ...

  43. Induction Therapy (pre-operative) Ongoing Studies

  44. Early Stage Disease Phase III Trial INT S 9900 cT2N0, T1N1, T2N1, T3N0, T3N1 Resection Induction carboplatin/ paclitaxel 3 cycles Resection Activated 11.99 Accrual goal = 600 1/24/03 = 279

  45. Phase III Trial INT S 9900 “Son of BLOT” “ BLOT or KNOT” • Through SWOG, NCCTG, ECOG, RTOG, ACOSOG, NCIC and the CTSU.

  46. Early Stage DiseaseNATCH* ( Neoadjuvant/ Adjuvant Taxol Carboplatin Hope) Activated 4.00 Accrual goal = 624 *Switzerland, Spain, Germany, Portugal, Sweden

  47. Early Stage Disease ChEST (Chemotherapy for Early Stage Tumor) cT2N0, T1N1, T2N1, T3N0, T3N1 Resection Induction gemcitabine/ cddp 3 cycles Resection Italy Accrual goal = 606-712

  48. Early Stage Disease MRC Lu-22 cT1N0, T2N0, T1N1, T2N1, T3N0, T3N1 Resection Induction chemotherapy* 3 cycles, Q 3weeks UK + EORTC ( 6/02) Activated Jan 1998 Accrual goal = 450 April 2002 = 239 Resection *MVP, MIP, Cis-Vinorelbine, Cis-Gem

  49. Will induction chemotherapy become the standard of care for our patients with early stage disease ?Only by completing the ongoing clinical trials in a timely fashion, will we be able to answer this very important question.

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