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Blood Cancers in older adults Cancer and Older Adults 19 November 2015 Matthew Foster, MD

Blood Cancers in older adults Cancer and Older Adults 19 November 2015 Matthew Foster, MD Assistant Professor of Medicine Leukemia, Lymphoma and Myeloma Program. What is leukemia?. Diverse set of blood and bone marrow cancers

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Blood Cancers in older adults Cancer and Older Adults 19 November 2015 Matthew Foster, MD

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  1. Blood Cancers in older adults Cancer and Older Adults 19 November 2015 Matthew Foster, MD Assistant Professor of Medicine Leukemia, Lymphoma and Myeloma Program

  2. What is leukemia? • Diverse set of blood and bone marrow cancers • Can arise from any cell in the blood or bone marrow—myeloid or lymphoid

  3. What is Leukemia? • Can be acute (i.e. fast onset, rapidly fatal if untreated) • AML, ALL • Can be chronic (progresses over years, “die with it, not of it” • CML, CLL • Bone marrow cancers without the word “cancer” • Myelodysplastic syndromes • Myeloproliferative neoplasms

  4. What is Lymphoma?

  5. What is Multiple Myeloma?

  6. Symptoms of Leukemia

  7. Leukemia in older adults is an unsolved problem

  8. Epidemiology—Acute Myeloid Leukemia • Median age of AML/MDS at diagnosis: • 65-70 years • (Estey E. JCO 2007; 25(14):1908-15) • Standard definition of “older” in treatment of AML is ≥ 60 y.o.

  9. Older patients underrepresented in trials

  10. Why the widely discrepant results in older patients?? • Poor performance status (frailty) • Frequent antecedent hematologic disorder (MDS/MPD) • Frequent organ dysfunction • Renal dysfunction • Liver dysfuntion • Heart disease Estey E. JCO 2007; 25(14):1908-15

  11. Disease variables differ in older adults, too Maslak, P. ASH Image Bank 2001;2001:100215

  12. Impact of cytogenetics on prognosis N=1612 pts Grimwade et al. Blood. 1998 Oct; 92(7): 2322-33.

  13. Are these even the same diseases??? Children Adults Armstrong, S. A. et al. J Clin Oncol; 23:6306-6315 2005

  14. Standard treatment for AML…since the 1970’s • “7+3”—7 days of infusional cytarabine and 3 days bolus anthracycline • historically 15-30% mortality in older patients • Infections, transfusions, bleeding, GI toxicity • Allogeneic transplant for high risk • High dose myeloablative chemotherapy unsuited for older patients

  15. What should goals be if this intensive therapy seems too much for older patients? • Freedom from dependence on transfusions • Improved infection-related morbidity • Infection prophylaxis • Treatment • Prevention of complications • Keeping patients out of the hospital

  16. Palliative-intent, low dose chemotherapy • European study in 1980’s compared standard chemotherapy with low-dose therapy with palliative intent • 10 week median survival advantage for induction • Median days of hospitalization were equivalent: • Palliative Rx: 50 • Induction: 54 Lowenberg et al. JCO 7 (9): 1268. (1989)

  17. Epigenetic approaches for AML and MDS Methylated genes = silenced Demethylated genes = re-expressed Egger G et al. Nature (2004) 429; 557-463.

  18. Epigenetic approaches for AML and MDS Lubbert M et al. J Clin Oncol 29: 1987-1996.

  19. New treatments for particular leukemias--myelofibrosis Verstovsek S et al. N Engl J Med 2012;366:799-807.

  20. New treatments for particular leukemias--myelofibrosis Verstovsek S et al. N Engl J Med 2012;366:799-807.

  21. New treatments for particular leukemias—Chronic Lymphocytic Leukemia Patients over 65 with co-existing medical problems Goede V et al. N Engl J Med 2014;370:1101-10. Tedeschi A et al. ASH Annual Abstracts 2015. Abstract no. 495

  22. New treatments for particular lymphomas—Mantle Cell Lymphoma Kluin-Nelemans HC et al. N Engl J Med 2012;367:520-31.

  23. What are we doing at UNC to improve on this? • Clinical trials of new drugs and treatments tailored for older patients: • Lenalidomide (oral immunomodulatory drug) • CPX-351 (nanoparticle formulation of traditional drugs with favorable response, toxicity profile) • Ibrutinib for older CLL patients • Targeted drugs based on molecular profile (UNCSeq) • Novel transplant approaches (umbilical cord blood and haploidentical donors) • Assessments and interventions to improve frailty • Comprehensive geriatric assessments • Exercise program during hospitalization for leukemia treatment

  24. Summary • The majority of blood cancer patients are over age 60 • Older patients have been under-represented in clinical trials for leukemias, lymphoma and myeloma • Select older patients can be treated as aggressively as younger ones • A variety of new approaches for patients that might not benefit from standard treatments are being developed • Clinical trial participation is encouraged!

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