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Advances in Multiple Myeloma Diagnosis and Treatment
Beth Faiman, PhD, MSN, APN-BC, AOCN Nurse Practitioner Cleveland Clinic Taussig Cancer Institute Cleveland, Ohio This program is supported by an educational grant from Bristol-Myers Squibb.
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What Is Multiple Myeloma?
Abnormal plasma cells Cancer of the plasma cells 2015: 26,850 new cases Median age: 69 yrs (US) Causes: chemicals, environment 44.9% will survive at 5 yrs; MM patients are survivors Produce Genetic and molecular defects MM, multiple myeloma; SDM, shared decision making. Patients are living longer than ever with improved diagnostics, newer agents, and better supportive care 44.9% will survive at 5 years ↑ circulating abnormal serum proteins Faiman B, et al. Multiple myeloma. In: Hematologic malignancies in adults. ONS Publishing. 2014;.SEER stat fact sheets: myeloma. Siegel RL, et al. CA Cancer J Clin. 2015;65:5-29.
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SDM Clinical Pearl: Patients are living longer than ever and SDM is important to quality, quantity of life
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Disease Progression in Patients with SMM and MGUS
Spectrum of plasma cell disorders (MGUS): < 1% chance/yr SMM 10% per yr risk of progression: first 5 yrs Strategy: identify patients with high-risk of progression; suggest early treatment before organ damage occurs 73% progress by 15 yrs Probability of Progression (%) 100 80 60 40 20 5 10 15 25 Yrs Since Diagnosis SMM MGUS 51 66 73 78 16 4 21 SMM, smoldering multiple myeloma; MGUS, monoclonal gammopathy of undetermined significance. Monoclonal Gammopathy of Undetermined Significance (MGUS) An asymptomatic premalignant condition that precedes smoldering MM or MM1,2 Prevalence of MGUS 3% for persons more than 50 years of age4 5% in those more than 70 years of age3 Risk of progression to MM (or a related disorder) is 1% per year1,3 Smoldering Multiple Myeloma An asymptomatic premalignant disorder that proceeds multiple myeloma1,2 Overall risk of progression 10% per year for the first 5 years, ~ 3% per year for the next 5 years, and 1% per year for the last 10 years1 73% progress by 15 years1 1 Kyle RA, et al. N Engl J Med 2007;356: 2 International Myeloma Working Group. Br J Haematol 2003;121: 3 Jagannath, S. et al. Clin Lymphoma Myeloma Leuk Feb;10(1):28-43. 4 Kyle RA, et al. Curr Hematol Malig Rep Apr;5(2):62-9. SMM, Smoldering Multiple Myeloma; MGUS, Monoclonal Gammopathy of Undetermined Signficance Kyle RA, et al. N Engl J Med. 2007;356: Rajkumar SV, et al. Lancet Oncol. 2014;15:e538-e548.
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MM: Clinical Manifestations
Series of genetic mutations, translocations, normal cell turns malignant Hallmarks of myeloma: CRAB (also known as myeloma defining events) C = Hypercalcemia R = Renal Complications MM, multiple myeloma; MDE, myeloma-defining events FROM PREVIOUS SLIDE: Multiple Myeloma is generally symptomatic. Unlike with MGUS or SMM, there is end organ damage—CRAB criteria-- Calcium elevation (serum calcium >11.5 mg/dL) Renal insufficiency (serum creatinine >2 mg/dL) Anemia (hemoglobin <10 g/dL or 2 g/dL <normal) Bone disease (lytic lesions or osteopenia) Recurrent infections* A = Anemia * Not an MDE, yet relatively common B = Bone Disease Rajkumar SV, et al. Lancet Oncol. 2014;15:e538-e548.
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Revised IMWG Criteria (2014)
MM, multiple myeloma; IMWG, International Myeloma Working Group; SPEP, serum protein elecrophoresis; UPEP, urine protein electrophoresis; CMP, complete chem panel ; CBC + diff, complete blood count with differential; k/l, kappa/lambda; MPA, monoclonal protein analysis; cyto, cytogenetics; GEP, gene expression profiling; MRI, magnetic resonance imaging; CT, computed tomography; FISH, fluorescence in situ hybridization; Clonal evolution in a permissive microenvironment. Progression from MGUS to SMM to symptomatic MM involves clonal evolution and heterogeneity, which is not only cell autonomous but also dependent on the interactions of the tumor cells with the bone marrow microenvironment. This includes immune cells such as T-regulatory cells (Tregs), myeloid derived suppressor cells (MDSCs), natural killer (NK) cells, osteoclasts, osteoblasts, angiogenesis, and MSCs. Republished with permission of American Society of Hematology, from Ghobrial, IM, et al. How I treat smoldering multiple myeloma, Blood. 2014;124: ; permission conveyed through Copyright Clearance Center, Inc.
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Diagnostic Workup Lab tests: Serum protein electrophoresis (SPEP)
Urine protein electrophoresis (UPEP) Complete metabolic panel (CMP) CBC + differential Plasma ratio of free kappa/lamba light chains Monoclonal protein analysis (MPA) Bone marrow biopsy: FISH, cytogenetics, and gene expression profiling (GEP) Imaging: Skeletal survey MRI, CT PET scan ± MRI, CT Genetic changes occur MM, multiple myeloma; IMWG, International Myeloma Working Group; SPEP, serum protein elecrophoresis; UPEP, urine protein electrophoresis; CMP, complete chem panel ; CBC + diff, complete blood count with differential; k/l, kappa/lambda; MPA, monoclonal protein analysis; cyto, cytogenetics; GEP, gene expression profiling; MRI, magnetic resonance imaging; CT, computed tomography; FISH, fluorescence in situ hybridization; Clonal evolution in a permissive microenvironment. Progression from MGUS to SMM to symptomatic MM involves clonal evolution and heterogeneity, which is not only cell autonomous but also dependent on the interactions of the tumor cells with the bone marrow microenvironment. This includes immune cells such as T-regulatory cells (Tregs), myeloid derived suppressor cells (MDSCs), natural killer (NK) cells, osteoclasts, osteoblasts, angiogenesis, and MSCs. Ghobrial IM, et al. Blood. 2014;124: Rajkumar SV, et al. Lancet Oncol. 2014;15:e Faiman B. Clin Lymphoma Myeloma Leuk. 2014;14:
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“Best” Treatment for the Patient?
With so many available therapies, how does one choose the “best”? Guidelines exist to “guide” decision making Consider: Prevention of further organ damage (if present) Age, morbidities, desire, financial, social status Biomarkers/cytogenetic risk group (high or low) 2 drugs, 3 drugs, or more? Clinical trial Quality of life NCCN, National Comprehensive Cancer Network; QOL, quality of life; SDM, shared decision making. Roussel J Clin Oncol 32(25) ; Richardson, Paul G., Siegel, David S., Vij, Ravi, Hofmeister, Craig C., Baz, Rachid, Jagannath, Sundar, Anderson, Kenneth C. (2014). Pomalidomide alone or in combination with low-dose dexamethasone in relapsed and refractory multiple myeloma: a randomized phase 2 study. Blood, 123(12), doi: /blood Richardson, P. G., Xie, W., Jagannath, S., Jakubowiak, A., Lonial, S., Raje, N. S., Anderson, K. C. (2014). A phase 2 trial of lenalidomide, bortezomib, and dexamethasone in patients with relapsed and relapsed/refractory myeloma. Blood, 123(10), doi: /blood Shah, Jatin J., Feng, Lei, Manasanch, Elisabet E., Weber, Donna M., Thomas, Sheeba K., Turturro, Francesco, Orlowski, Robert Z. (2014). Phase I/Ib Trial of the Efficacy and Safety of Combination Therapy with Lenalidomide/Bortezomib/Dexamethasone (RVD) and Panobinostat in Transplant-Eligible Patients with Newly Diagnosed Multiple Myeloma (Vol. 124). Vij, Ravi, Huff, Carol Ann, Bensinger, William I., Siegel, David S., Jagannath, Sundar, Berdeja, Jesus, Richardson, Paul G. (2014). Ibrutinib, Single Agent or in Combination with Dexamethasone, in Patients with Relapsed or Relapsed/Refractory Multiple Myeloma (MM): Preliminary Phase 2 Results (Vol. 124). SDM Clinical Pearl: SDM concepts can help guide patient and caregivers to include individual preferences, goals, values Palumbo A, et al. J Clin Oncol. 2014;32: Rajkumar SV, et al. Lancet Oncol. 2014;15:e
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When Should Treatment Begin?
Before organ damage occurs (preferable) Clinical trials (also preferred) Emphasize pros—benefits—of clinical trials Access to new drugs Collect information in logical manner Can benefit patient, others Cons and risks also exist and should be discussed with patients, caregivers Stringent monitoring, placebo, etc Ghobrial IM, et al. Blood. 2014;124:
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Increased Treatment Options in MM
MM Therapies Introduction FDA Approved in MM 1950 1960 1970 1980 1990 2000 2010 2015 2008 Bortezomib frontline 1983 Autologous transplantation 1958 Melphalan 2003 Bortezomib 3rd line 2012 Carfilzomib 3rd line; Bortezomib SC 1962 Prednisone 2005 Bortezomib 2nd line 1986 High-dose dexamethasone FDA, US Food and Drug Administration; MM, multiple myeloma; SC, subcutaneous. The treatment options for patients with multiple myeloma have increased greatly over the last decade. You can see by the diagram in this slide that the left half of the timeline represents 40 years and the right half of the diagram represents 20 years. The number of novel agents and combinations developed in the last 2 decades has changed the treatment paradigm for multiple myeloma. These novel agents have also changed the expected survival for patients with multiple myeloma. 1969 Melphalan + prednisone 2006 Lenalidomide + dex 2nd line; Thalidomide + dex 1st line 2013 Pomalidomide 3rd line 2014 Bortezomib retreatment 2007 Doxorubicin + bortezomib 2nd line 2015 Panobinostat 3rd line; Lenalidomide 1st line
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context could influence treatment choice
SDM Clinical Pearl: One driving force of SDM is increasing number of equivocal treatment options – inform patients that preferences and context could influence treatment choice
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MM Tx: Key Side Effects, Considerations
Drug Class Name Key Side Effects Nursing Considerations Proteasome inhibitor Bortezomib PN, T, M, F IV, SC; monitor platelets; safe in renal failure Carfilzomib PN, C, M, F Hydration, cardio/pulmonary Immunomodulatory agent Lenalidomide DVT, M, BD, R, D ASA or LMWH if high risk for clots; weekly CBC x 8 wks Thalidomide DVT, M, BD As above Pomalidomide DVT, M, BD, F C, cardiac; PN, peripheral neuropathy; MS, metabolic syndrome; BD, Birth Defects; D, diarrhea; DVT, deep vein thrombosis; H, hyperglycemia; M, myelosuppression; N, nausea; R, renal dose adjustment necessary; LMWH, low-molecular-weight heparin; CBC, complete blood count; EKG, electrocardiogram; ASA, aspirin; IV, intravenous; SC, subcutaneous; mag, magnesium; K+, potassium. BD, birth defects; C, cardiac; D, diarrhea; DVT, deep vein thrombosis; F, Fatigue; M, myelosuppression; PN, peripheral neuropathy; R, renal dose adjustment necessary US Food and Drug Administration. FDA approved drug products.
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MM Tx: Key Side Effects, Considerations
Drug Class Name Key Side Effects Nursing Considerations Alkylating agent Melphalan M, N CBC diff monthly; renal dose adjustment Cyclophosphamide Corticosteroid Prednisone H, MS Monitor blood sugar, insomnia, weight gain Dexamethasone Above HDAC inhibitor Panobinostat C, D Baseline EKG and mag/K+ monitoring; loperamide for diarrhea C, cardiac; PN, peripheral neuropathy; MS, metabolic syndrome; BD, Birth Defects; D, diarrhea; DVT, deep vein thrombosis; H, hyperglycemia; M, myelosuppression; N, nausea; R, renal dose adjustment necessary; LMWH, low-molecular-weight heparin; CBC, complete blood count; EKG, electrocardiogram; ASA, aspirin; IV, intravenous; SC, subcutaneous; mag, magnesium; K+, potassium. C, cardiac; D, diarrhea; DVT, deep vein thrombosis; H, hyperglycemia; M, myelosuppression; MS, metabolic syndrome; N, nausea US Food and Drug Administration. FDA approved drug products.
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Preferred Regimens (NCCN)
NCCN Preferred Regimens Other NCCN Regimens Initial therapy (induction) for transplant eligible pts (response assessment after cycle 2) Bor/dex (category 1) Bor/cy/dex (category 1) Bor/dox/dex (category 1) Bor/len/dex (category 1) Len/dex (category 1) Car/len/dex Dex (category 2B) Liposomal dox/vin/dex (category 2B) Thal/dex (category 2B) Maintenance therapy Bor Len (category 1) Thal (category 1) Bor + pred (category 2B) Bor + thal (category 2B) Interferon (category 2B) Steroids (category 2B) Thal + pred (category 2B) Therapy for previously treated myeloma Repeat primary induction if relapse > 6 mos Mix/match any drugs Pom, car, pan Bendamustine Bor/vorinostat Len/bendamustine/dex bor, bortezomib; dex, dexamethasone; cy, cyclophosphamide; dox, doxorubicin; len, lenalidomide; mel, melphalan; pred, prednisone; thal, thalidomide; car, carfilzomib; vin, vincristine; pan, panobinostat; pom, pomalidomide; SDM, shared decision making; MM, multiple myeloma. NCCN. Clinical practice guidelines in oncology: multiple myeloma. v
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No clear standard-of-care treatment for newly diagnosed or relapsed MM
SDM Clinical Pearl No clear standard-of-care treatment for newly diagnosed or relapsed MM Present options, provide information on treatment risks and benefits, and achieve mutual agreement between patient and provider on treatment
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“Hot” Trials and Topics in MM
Smoldering MM: do nothing, do something, or go for it! Lenalidomide + dex or observation[1,2] Carfilzomib + len + dex; len maintenance[3,4] Newly diagnosed, transplant eligible[5,6] Note that maintenance is integrated into current trials Numerous trials! Carfilzomib, elotuzumab, ixazomib, and pomalidomide ± transplant MM, multiple myeloma; dex, dexamethasone, len, lenalidomide; SDM, shared decision making. Len btz dex ± ASCT Ph 3 (NCT ) Ixazomib or placebo after ASCT Ph 3 (NCT ) Len mel, ASCT, len maint Ph1,2 (NCT ) Carf len dex Ph 2 (NCT ) Elotuzumab len btz dex Ph 2 (NCT ) Panobinostat len btz dex Ph 1,2 (NCT ) Carf cyclo dex Ph 1 (NCT ) 1. Mateos MV, et al. N Engl J Med. 2013;369: Mateos MV, et al. ASH Abstract Landgren O, et al. ASH Abstract Landgren O, et al. ASH Abstract Rajkumar SV, et al. Lancet Oncology. 2014;15:e538-e ClinicalTrials.gov.
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SDM Clinical Pearl: Facilitate deliberation and decision making on clinical trial participation; discuss drug, randomization, trial logic, time commitment, costs, patient’s right to refuse or stop clinical trial participation at any time
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“Hot” Trials and Topics in MM
NDMM/Transplant Ineligible Relapsed/Refractory MM FIRST trial[1] Continuous Rd vs Rd x 18 cycles vs MPT x 18 cycles OS favors continuous Rd; benefit sustained whether > 75 or < 75 yrs Proteasome inhibitors Carfilzomib (ASPIRE)[3] Ixazomib (oral)[4] Oprozomib (oral)[5] Bortezomib retreatment (IV/SC)[6] Weekly carfilzomib, cyclophosphamide, and prednisone[2] Generally safe and tolerated in elderly pts Monoclonal antibodies Elotuzumab + len + dex[7] Daratumumab (anti CD38)[8] SAR (anti CD38)[9] BTK inhibitor Ibrutinib ± dexamethasone[10] NDMM, newly diagnosed multiple myeloma; MM, multiple myeloma; Rd, lenalidomide + low-dose dexamethasone; MPT, melphalan/prednisone/thalidomide; OS, overall survival; IV, intravenous; SC, subcutaneous; len, lenalidomide; dex, dexamethasone 1. Benbouker L, et al. N Engl J Med. 2014;371: Palumbo A, et al. ASH Abstract Stewart AK, et al. ASH Abstract Richardson PG, et al. Blood. 2014;124: Vij R, et al. ASH Abstract Oriol A, et al. Hematology. 2014;Dec 10:[Epub ahead of print]. 7. Richardson PG, et al. ASH Abstract Plesner T, et al. ASCO Abstract Martin TG, et al. ASH Abstract Vij R, et al. ASH Abstract 31.
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MAb-Based Targeting of Myeloma
Antibody-dependent cellular cytotoxicity (ADCC) Complement-dependent cytotoxicity (CDC) Apoptosis/growth arrest via targeting signaling pathways Effector cells C1q C1q CDC MM MM FcR Daratumumab (CD38) SAR (CD38) Daratumumab (CD38) SAR (CD38) Elotuzumab (anti-CS1, SLAMF-7) mechanism of action may be two fold: 1) a passive targeted immunotherapy by targeting myeloma cells expressing SLAMF-7 leading to ADCC and, (2) an active immunotherapy by activating NK cells expressing SLAMF-7, promoting NK mediated cell death of myeloma cells.[ Balasa B, Yun R, Belmar NA, Fox M, et al. Elotuzumab enhances natural killer cell activation and myeloma cell killing through interleukin-2 and TNF-α pathways. Cancer Immunol Immunother Jan;64(1):61-73.] The active immunotherapy mechanism may enhance the tumor specific ADCC. This humanized monoclonal antibody when used as a monotherapy has shown minimum responses (stable disease but no objective responses), but provides benefit as assessed by objective responses when combined with lenalidomide and dexamethasone ADCC MM MAbs have unique targets New research continues to distinguish targets even further Hope for personalized treatment Elotuzumab (anti-CSI, SLAMF7) Daratumumab (CD38) SAR (CD38) Tai YT, et al. Bone Marrow Res. 2011;2011: Balasa B, et al. Cancer Immunol Immunother. 2015;64:61-73.
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Nursing Considerations for Novel MM Therapies Based on Clinical Trials
Category Agents Key Nursing Considerations Oral proteasome inhibitors Ixazomib Oprozomib Adherence GI toxicity Monoclonal antibodies Elotuzumab (SLAMF7) Daratumumab (anti CD38) SAR (anti CD38) Infusion reaction Premedicate Tyrosine kinase inhibitor Ibrutinib (BTK) Decreased blood counts Drug interactions
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Responding to Treatment or Progressing?
Newer laboratory techniques to assess “deeper” responses to treatment New criteria have been established Prompt identification of disease progression can prevent organ damage Response: Abnormal M-protein should decrease with therapy Example of Response: Serum M-Protein Beginning M spike: 3.1 g/dL Cycle 1: 1.5 g/dL = PR (50%) Cycle 2: 0.52 g/dL = PR Cycle 3: 0.10 g/dL = VGPR (90%) Cycle 4: g/dL = unconfirmed CR? VGPR, very good partial response; CR, complete response. Key Concepts: Response and progression are two poorly – understood concepts among patients, nurses and providers. New response criteria adds additional categories of Stringent Complete Response (sCR) and Complete Response (CR) to reflect new testing methods that can detect minimal residual disease at more sensitive levels Molecular CR = CR criteria and Negative allele specific PCR Test (sensitive to 105) Immunophenotypic CR = sCR criteria plus negative bone marrrow by next generation flow (multiparametric flow with > four colors) Emphasize nursing implications: Patient advocacy Palumbo A, et al. J Clin Oncol. 2014;32: Durie BM, et al. Leukemia. 2006;20:
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Responding to Treatment or Progressing?
Newer laboratory techniques to assess “deeper” responses to treatment New criteria have been established Prompt identification of disease progression can prevent organ damage Progression: M-protein goes up; watch for signs of progression such as bone pain, fatigue, infections Example of Progression Cycle 24 = 0.00 g/dL Cycle 25 = 0.33 g/dL Cycle 26 = 0.72 g/dL VGPR, very good partial response; CR, complete response. Key Concepts: Response and progression are two poorly – understood concepts among patients, nurses and providers. New response criteria adds additional categories of Stringent Complete Response (sCR) and Complete Response (CR) to reflect new testing methods that can detect minimal residual disease at more sensitive levels Molecular CR = CR criteria and Negative allele specific PCR Test (sensitive to 105) Immunophenotypic CR = sCR criteria plus negative bone marrrow by next generation flow (multiparametric flow with > four colors) Emphasize nursing implications: Patient advocacy Palumbo A, et al. J Clin Oncol. 2014;32: Durie BM, et al. Leukemia. 2006;20:
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Supportive Care Bone: 85% will develop bone disease
All should receive monthly bisphosphonates after dental exam; monitor renal function long term Infection: major cause of death in MM Impaired antibody formation after antigenic stimulations Immunizations: pneumococcal (PCV13, PPSV23), seasonal inactivated influenza Shingles prophylaxis (proteasome inhibitor, transplant) Renal: monitor status, dose reductions may be necessary Acute renal failure can occur due to NSAIDs, CT dyes, antibiotics Hydrate (carefully), monitor monthly MM, multiple myeloma; PCV13, pneumococcal conjugate vaccine; PPSV23, pneumococcal polysaccharide vaccine; NSAIDS, nonsteroidal anti-inflammatory drugs; CT, computed tomography. Bilotti E, et al. Clin J Oncol Nurs. 2011;15(suppl):5-8. Miceli TS, et al. Clin J Oncol Nurs. 2011;15(suppl):9-23. Faiman B, et al. Clin J Oncol Nurs. 2011; MMWR. 2014;46:1-24.
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Long-term Effects of Treatment
Diarrhea (lenalidomide) Peripheral neuropathy (bortezomib, MM, diabetes) Secondary cancers Cardiovascular/pulmonary disease Health maintenance is important as patients are at risk for same illnesses as those without MM Financial Chronic illnesses are costly Loss of income, hospital and medical bills can be high Refer to patient care organizations, copay foundations MM, multiple myeloma. Faiman B. J Adv Pract Oncol. 2013;4: Kurtin S, et al. Clin J Oncol Nurs. 2013;17(suppl):7-11. Faiman B, et al. Blood. 2013;122:5397.
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Conclusion Advances in understanding bone marrow microenvironment have led to drug discovery New drugs provide hope for longer remissions Ongoing research will prove whether a deeper response translates to improved survival Supportive care and side effect management Plethora of treatment options, risks/benefits, and side effects should be reviewed with patients prior to starting on therapy Support patients who are willing and able to participate in SDM process
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Go Online for More CCO Coverage of Multiple Myeloma!
Pocket guide of key nursing perspectives using shared decision making Downloadable slideset on shared decision making in multiple myeloma from the live symposium plus more offerings on multiple myeloma clinicaloptions.com/Oncology
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