SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NO Kos June, 2007 Mario Boccadoro DIVISIONE UNIVERSITARIA DI EMATO EMATOLOGIA OGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Response rate and survival in MM: conventional chemotherapy N f patients N.of ti t Blade J et al. 243 BJH 1994 Oivanen TM et al. 432 R Response Median Survival (months) At least PR 43.4 CR 42 No Response 19 > PR < 70 ys v >70 59 v 44 PR < 70 ys v >70 59 v 40 EJH 1999 Durie BMG et al. 1555 Response 35 v 34 JCO 2004 N R No Response 30 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Survival by response categories Durie BMG et al. JCO 2004 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Survival by disease progression Durie BMG et al. JCO 2004 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Response rate and survival in MM: conventional chemotherapy versus highdose chemotherapy N.of patients F Fermand d JP ett al. l Response (% CR) Median Survival (months) CC HDT CC HDT 190 20 36 47 6 47.6 47 8 47.8 216 11 30 61 66 JCO 2005 Blade’ J et al Blade al. Blood 2005 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Survival by therapy Fermand JP et al. JCO 2005 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Survival by therapy Blade’ J et al. Blood 2005 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Response rate and survival in MM: high-dose chemotherapy N.of patients 126 Response (%) PFS OS (months) (months) CR 33 15 25 No CR 67 11 24 Rajkumar SV et al. BMT 2000 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY OS and PFS by CR Rajkumar j SV et al. BMT 2000 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Response rate and survival in MM: New Drugs Thalidomide No Thalidomide 345 323 CR (%) 62 43 5 year-EFS (%) 56 44 5 year year-OS OS (%) 65 65 N. of patients Barlogie B et al. NEJM 2006 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NO N relationship No l ti hi between b t CR and d survival i l DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NO CR CURE DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NOÆ WHY ??? CR CURE DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NOÆ WHY ??? • Cosmetic effect • Malignant characteristics of the neoplastic cells • Benign characteristics of the neoplastic cells DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY MP vs Dexamethasone-Based Regimens ((IFM 95-01 Trial)) • • • 488 patients aged 65-75 yr randomized to MP, MD, D, or D-IFNα (12 courses at 6-wk intervals) FU 82.8 mo, OS 35.0 mo (415/488), EFS 18.3 mo (473/488) for whole series Standard MP gold standard for treatment of older pts Regimen MP MD D D-IFNα n 109 110 109 101 ≥PR↓ (P<0.001) 51% 74% 40% 42% CR (P=NS) 1% 3% 1% 1% EFS (mo) 21 1 ± 1.7 21.1 17 22 9 ± 2.0 22.9 20 12 2 ± 1.0 12.2 1 0* 15 2 ± 2.7 15.2 2 7* OS (mo) 34.0 ± 3.6 39,6 ± 3.1 33.4 ± 2.0 32.0 ± 5.3 *P<0.001 for pts not receiving Melphalan Facon T et al. Blood. 2006; 107:1292 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NOÆ WHY ??? • Cosmetic effect • Malignant characteristics of the neoplastic cells • Benign characteristics of the neoplastic cells DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY High serum free-light chain levels and their rapid reduction in response to therapy define an aggressive multiple myeloma subtype with poor prognosis prognosis. SFLC baseline levels >75mg/dL 33% 301 CR 37 20 p<0.002 EFS 73 90 p<0.001 OS 76 91 p<0.001 Van Rhee F, Blood 2007 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Early responder myeloma: kinetic studies identify ap patient subgroup g p characterized by y very yp poor p prognosis. g J Clin Oncol 1989 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Early responder myeloma: kinetic studies identify a patient subgroup characterized by very poor prognosis prognosis. J Clin Oncol 1989 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? NOÆ WHY ??? • Cosmetic effect • Malignant characteristics of the neoplastic cells • Benign characteristics of the neoplastic cells DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Complete response in myeloma extends survival without, but not with history of prior monoclonal gammopathy of undetermined significance or smouldering disease disease. Previous MGUS, SMM, or SPC 56/688 CR 22% vs 48% Survival similar M Pineda-Roman Brit J of Haemat 136 (3), 393–399. DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY Gene-expression G i signature i t off benign b i monoclonal l l gammopathy th evident in multiple myeloma is linked to good prognosis. The MGUS-L signature was also seen in plasma cells from 15 of 20 patients surviving more than th 10 years after ft autotransplantation. t t l t ti Zhan F Blood 2007 DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY SHOULD CR ACHIEVEMENT BE A MAJOR TREATMENT OBJECTIVE? YES but ….. YES, • Cosmetic effect • Malignant characteristics of the neoplastic cells • Benign characteristics of the neoplastic cells NEW DRUG ??? DIVISIONE UNIVERSITARIA DI EMATOLOGIA AZIENDA OSPEDALIERA SAN GIOVANNI TORINO, ITALY