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1、外周T细胞淋巴瘤治疗进展,中国医学科学院肿瘤医院内科 周生余 2011.8. CCMO Beijing,Cancer Hospital of CAMS & PUMC,外周T/NK细胞淋巴瘤定义,一组源于胸腺后成熟T淋巴细胞或自然杀伤(natural killer，NK)细胞的淋巴系统恶性肿瘤，其生物学行为及临床表现具有明显异质性。,WHO成熟T/NK细胞肿瘤分类 (2008),T-cell prolymphocytic leukemia T-cell large granular lymphocytic leukemia Chronic lymphoproliferative NK cell
2、s Aggressive NK-cell leukemia Adult T-cell lymphoma/leukemia Systemic EBV-positive T-cell lymphoma Extranodal NK/T-cell lymphoma, nasal type Enteropathy-type intestinal T-cell lymphoma Hepatosplenic T-cell lymphoma Angioimmunoblastic T-cell lymphoma Anaplastic large-cell lymphoma, ALK positive Anapl
3、astic large-cell lymphoma, ALK negative Peripheral T-cell lymphoma, NOS,Mycosis fungoides Szary syndrome Primary cutaneous CD30+ lymphoproliferative Primary cutaneous anaplastic large cell Lymphomatoid papulosis Borderline lesions Subcutaneous panniculitis-like T cell Primary cutaneous gamma-delta T
4、 cell Hydroa vacciniforme lymphoma Primary cutaneous aggressive epidermotropic CD8+ cytotoxic T cell Primary cutaneous small/medium CD4+ T-cell lymphoma (provisional),Swerdlow SH, et al. WHO classification of tumours of the haematopoletic and lymphoid tissues. 2008.,1314例T细胞淋巴瘤，各亚型分布,Los Angeles, CA
5、.October 4, 2008,外周T细胞淋巴瘤各亚型分布,外周T细胞淋巴瘤各亚型生物学异质性,PTCL不同亚型疾病异质性,CHOP治疗PTCL不同亚型生存资料,如何改善PTCL预后？,传统治疗的探索 剂量强度与密集方案 高剂量化疗联合造血干细胞移植 新药的开发与应用 基于疾病异质性的特色治疗,PTCL生物学本质、疾病特点、以及各亚型异质性认识?!,开发应用于T细胞淋巴瘤的新药,开发应用于T细胞淋巴瘤的新药,吉西他滨治疗PTCL,CHOP-EG=CHOP-etoposide, gemcitabine; GEM-P=gemcitabine, cisplatin, methylprednisol
6、one; VGF=vinorelbine, gemcitabine, filgrastim.,Foss. 2009 ASCO Educational Book. Alexandria, VA: American Society of Clinical Oncology. 2009;480; Pro. 2009 ASCO Educational Book. Alexandria, VA: American Society of Clinical Oncology. 2009;486; Sallah. Br J Haematol. 2001;113:185; Zinzani. Ann Oncol.
7、 1998;9:1351; Arkenau. Haematologica. 2007;92:271; Spencer. Intern Med J. 2007;37:760; Kim. Cancer Chemother Pharmacol. 2006;58:35.,Phase Study of Bendamustine in Relapsed/Refractory T-Cell Lymphoma,Preliminary Results From a Multicenter, Phase II Study of Bendamustine in Refactory or Relapsed T-Cel
8、l Lymphoma The BENTLY Trial,Adapted from 11-ICAM,Phase Study of Bendamustine in Relapsed/Refractory T-Cell Lymphoma,STUDY DESIGN,BENDAMUSTINE:120 mg/m2,IV,day 1and 2 Every 3weeks for 3cycles(C1,C2,C3),CR,CRu,PR,SD,Progressive,BENDAMUSTINE C4,C5,C6,Off Study,Final Evaluation 1 month after the end of
9、treatment,Adapted from 11-ICAM,Phase Study of Bendamustine in Relapsed/Refractory T-Cell Lymphoma,RESPONSE HISTOLOGIC SUBTYPES,Adapted from 11-ICAM,Phase Study of Bendamustine in Relapsed/Refractory T-Cell Lymphoma,Adapted from 11-ICAM,Phase Study of Bendamustine in Relapsed/Refractory T-Cell Lympho
10、ma:Conclusions,Bendamustine is active in refactory and relapsed T-cell lymphoma with an acceptable toxicity High response rate in highly pretreated poor risk patients (ORR 42%;CR 23%) The median response duration time is 5.5 months. Next step: Combining Bendamustine with other drugs,Adapted from 11-
11、ICAM,普拉曲沙（Pralatrexate）治疗PTCL,High affinity for RFC-1 (an active transport mechanism for reduced folates) Effective substrate for FPGS (catalyzes the formation of polyglutamates with improved intracellular retention) Is a competitive inhibitor of DHFR (premetrexed targets TS) 15-25 fold more cytotox
12、ic than MTX in a variety of human tumor cell lines,PROPEL Trial: Pralatrexate in Relapsed/Refractory PTCL,OConnor OA, et al. ASH 2008. Abstract 261.,Romidepsin治疗复发难治PTCL pivotal phase II study,Schedule: 4-hour infusion 14 mg/m2 on days 1, 8, & 15 every 28 days,Coiffier B, Pro B, Prince HM, et al. 52
13、nd ASH Abstract 114.,Romidepsin治疗复发难治PTCL pivotal phase II study,Coiffier B, Pro B, Prince HM, et al. 52nd ASH Abstract 114.,Romidepsin治疗复发难治PTCL pivotal phase II study,Conclusions:romidepsin should be further investigated in combination with chemotherapy in the frontline setting,Most common grade 3
14、 adverse events, observed in 10% Thrombocytopenia ,Neutropenia ,Infection ,Anemia,Coiffier B, Pro B, Prince HM, et al. 52nd ASH Abstract 114.,单抗类药物治疗PTCL,“Alemtuzumab + CHOP” in PTCL,1.Enblad G, et al. Blood. 2004;103:2920-2924. 2. Kim JG, et al. Cancer Chemother Pharmacol. 2007;60:129-134.,3. Galla
15、min Ai, et al. Blood. 2007;110:2316-2323. 4. Weidmann E, et al. Leuk Lymphoma. 2010;51:447-455,Phase CHOP+/-A in PTCL,Phase II Study of Denileukin Diftitox + CHOP in PTCL: “CONCEPT” Trial,DD18mg/kg/day on days 1 and 2，CHOP starting day 3，G-CSF day 4 Every 21 days, for 6-8 cycles N = 49 (ITT)，Median
16、age, 52 years (range, 23-80 years) PTCL, NOS, n = 19；AITL, n = 10；ALCL, n = 8,Foss. Clin Adv Hematol Oncol. 2009;7(suppl 18):12.,1. Bartlett N, et al. Blood. 2008;111:1848-1854. 2. Forero-Torres, et al. Br J Haematol. 2009;146:171-179. 3. Ansell S, et al. J Clin Oncol. 2007;25:2764-2769.,第一代抗CD30单抗：毒性小，疗效有限,MOA of Brentuximab Vedotin (SGN-35),Reproduced with permission from Seattle Genetics, Inc.; Younes. EHA. 2009 (abstr 0503).,
