Multiple myeloma medical therapy: Difference between revisions

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Ixazomib
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Borinic acid derivative that inhibits the proteasome, preventing recycling of proteins
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*4mg PO on days 1, 8, and 15 of a 28-day cycle (''3 weeks on, 1 week off'')
*To be used with lenalidomide plus dexamethasone in patients who have received at least 1 prior line of therapy
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Nausea, diarrhea, constipation, peripheral neuropathy, thrombocytopenia, rash
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Carfilzomib
Carfilzomib
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Anemia, fatigue, thrombocytopenia, nausea, renal failure, congestive heart failure, thrombotic microangiopathy, pulmonary complications
Anemia, fatigue, thrombocytopenia, nausea, renal failure, congestive heart failure, thrombotic microangiopathy, pulmonary complications
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Panobinostat
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Pan-histone deacetylase (HDAC) inhibitor; aggresome pathway inhibitor
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*20mg PO every other day (3 doses weekly) on days 1, 3, 5, 8, 10, 12) on weeks 1 and 2 of a 21-day cycle for 8 cycles
*To be used in combination with bortezomib plus dexamethasone for patients who have received at least 2 prior lines of therapy
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Thrombocytopenia, lymphopenia, anemia, fatigue, diarrhe, nausea, hyperbilirubinemia
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[[Monoclonal gammopathy of undetermined significance]]
Daratumumab
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*Anti-CD38 IgG1 ''kappa'' monoclonal antibody
*Exerts antibody-dependent cell-mediated cytotoxicity (ADCC)
*Exerts complement-mediated cytotoxicity
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*Presence of M-spike that quantitates < 3 g/dl on protein electrophoresis, ''or''
*16 mg/kg IV infusion weekly during weeks 1-8
*Presence of bone marrow plasma cell burden of < 10%
*16 mg/kg IV infusion every 2 weeks during weeks 9-24
''plus''
*16 mg/kg IV infusion every 4 weeks starting week 25 and onwards
*Absence of end-organ damage such as anemia, hypercalcemia, renal dysfunction, or osseous lesions
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Monitoring of [[complete blood count]] every 6-12 months
Infusion reaction, lymphopenia, neutropenia, fatigue, anemia, back pain, false positive indirect Coombs' test
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===='''Supportive therapy'''====
===='''Supportive therapy'''====

Revision as of 22:56, 22 July 2018

Multiple myeloma Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2] Shyam Patel [3]

Overview

Pharmacological regimens for patients with active (symptomatic) multiple myeloma include steroid therapy, immune modulator therapy, and chemotherapy.[1][2] Patients with smoldering (asymptomatic) multiple myeloma are managed by observation and follow up tests every 3 to 6 months.[1][2] The optimal therapy for active multiple myeloma depends on whether or not a patient is eligible for bone marrow transplantation.[1][2] Pharmacologic medical therapy for active multiple myeloma patients who are eligible for a bone marrow transplant includes either dexamethasone, lenalidomide, bortezomib, thalidomide, carfilzomib, cyclophosphamide, vincristine, or doxorubicin.[1][2] In addition to the aforementioned agents, pharmacological regimens used for treatment of active multiple myeloma patients who are not eligible for a bone marrow transplant include either melphalan or prednisone.[1][2] Alkylating agents are not recommended among transplant eligible patients, as the toxicity of such agents makes the harvest process of bone marrow stem cell difficult later in the course of the disease.[1][2]

Medical Therapy

Monoclonal gammopathy of undetermined significance (MGUS)

There is no specific therapy for monoclonal gammopathy of undetermined significance (MGUS).[3] A typical management plan includes routine monitoring of various laboratory measures.[3] The risk stratification can guide the frequency with which blood count monitoring should be done. Laboratory measures that should be monitored include:


Smoldering multiple myeloma

Patients with smoldering (asymptomatic) multiple myeloma have a bone marrow plasma cell burden greater than 10% or a serum monoclonal protein of greater than 3 g/dl but no end-organ damage. There are two broad options for management of patients with smoldering multiple myeloma: observation or chemotherapy.

Observation

In the past, most patients with smoldering multiple myeloma were managed by observation and follow up tests every 3 to 6 months.[1][2] The management for smoldering multiple myeloma was similar to that of MGUS. This observation (or watchful waiting) approach involves monitoring of laboratory measures including:

Chemotherapy

It is now known that smoldering multiple myeloma carries an inevitable risk of progression to active multiple myeloma. Smoldering multiple myeloma carries a higher risk of progression to active multiple myeloma compared to that of MGUS. Most patients with smoldering multiple myeloma will have eventual progression of disease. Therefore, there is currently a trend towards the use of chemotherapy for patients with high-risk smoldering multiple myeloma. In a randomized clinical trial from 2013, it was shown that the combination of lenalidomide plus dexamethasone resulted in improved 2-year progression-free survival compared to observation alone (92% vs. 30%).[4] Therefore, patients with high-risk smoldering multiple myeloma should be strongly considered for chemotherapy with lenalidomide and dexamethasone. Other therapies that have been used in clinical trials for smoldering multiple myeloma include the combination fo melphalan and prednisone, bisphosphonates such as zoledronate or pamidronate, thalidomide, curcumin, and anakinra (IL-1 antagonist).[4] High-risk features that may warrant the use of chemotherapy in smoldering multiple myeloma include[4]:

  • Bone marrow plasma cell burden >10%
  • M-spike >3g/dl
  • Free light chain ratio <0.125 or >8

The decision about whether to given chemotherapy for high-risk smoldering multiple myeloma must weigh the risks and benefits, including consideration of the underlying comorbidities of patients, the adverse effects of chemotherapy, and the likelihood of progression to active multiple myeloma. Ongoing clinical trials are evaluating various agents including celecoxib, lenalidomide, anti-killer immunoglobulin receptor (KIR) monoclonal antibody, elotuzumab (anti-SLAMF7 monoclonal antibody), and siltuximab (anti-IL-6 monoclonal antibody). These agents are currently not FDA=approved for the treatment of smoldering multiple myeloma but may soon become a standard of care.

Active multiple myeloma

  • The optimal therapy for active multiple myeloma depends on whether or not a patient is eligible for bone marrow transplantation.[1][2]
  • Deciding whether a patient is a candidate for bone marrow transplantation depends on a number of risk factors that include:[1][2]

Induction therapy

  • The VAD regimen (vincristine, adriamycin, and dexamethasone) has shown efficacy ranging from 60 to 80%, in previously treated and untreated patients. This regimen is beneficial in the manner that it avoids early exposure to alkylating agents thus reducing the risks of myelosuppression and further leukemias, without compromising on efficacy.[5][6][7]
  • One of the commonly used induction regimens include dexamethasone with lenalidomide and bortezomib for a period of 8 months based on the side effect profile and associated co-morbidities.[8][9]
  • Lenalidomide is orally administered and increases the risk for deep vein thrombosis, while bortezomib is given IV and preferred in patients with abnormal renal function tests.[10][11]
  • Bortezomib is given IV and preferred in patients with abnormal renal function tests.[10][11]
  • Dexamethasone is used alone at a dose of 40 mg for 4 days consecutively, and equals efficacy to that shown by a combination with VAD (vincristine, adriamycin, and dexamethasone).[10][11]
  • Thalidomide: A number of trials were conducted to assess the efficacy of thalidomide as an independent induction agent. All of them found improved response rates with thalidomide and no reduction in stem cell load.[12][13][14]
  • Alkylating agents are equal in efficacy when combined with VAD regimens, two of the most common ones being melphalan and oral cyclophosphamide plus prednisolone.[15]
Preferred Regimens
  • Preferred pharmacological regimens in treatment of patients who are ineligible for bone marrow transplant include:[1][2]
    • Bortezomib AND dexamethasone
    • Low dose dexamethasone AND lenalidomide
    • Melphalan AND prednisone AND thalidomide
    • Melphalan AND prednisone AND bortezomib

Treatment of relapsed or refractory multiple myeloma

In the past five years, must agents have been FDA-approved for treatment of relapsed or refractory multiple myeloma.[16]

Therapy Mechanism of Action Dosing Adverse Effects

Ixazomib

Borinic acid derivative that inhibits the proteasome, preventing recycling of proteins

  • 4mg PO on days 1, 8, and 15 of a 28-day cycle (3 weeks on, 1 week off)
  • To be used with lenalidomide plus dexamethasone in patients who have received at least 1 prior line of therapy

Nausea, diarrhea, constipation, peripheral neuropathy, thrombocytopenia, rash

Carfilzomib

Epoxyketone tetrapeptide that irreversibly inhibits the proteasome, preventing recycling of proteins

  • Cycle 1: 20mg/m2 on days 1-2, 8-9, 15-16
  • Cycles 2-12: 56mg/m2 on days 1-2, 8-9, 15-16

Anemia, fatigue, thrombocytopenia, nausea, renal failure, congestive heart failure, thrombotic microangiopathy, pulmonary complications

Panobinostat

Pan-histone deacetylase (HDAC) inhibitor; aggresome pathway inhibitor

  • 20mg PO every other day (3 doses weekly) on days 1, 3, 5, 8, 10, 12) on weeks 1 and 2 of a 21-day cycle for 8 cycles
  • To be used in combination with bortezomib plus dexamethasone for patients who have received at least 2 prior lines of therapy

Thrombocytopenia, lymphopenia, anemia, fatigue, diarrhe, nausea, hyperbilirubinemia

Daratumumab

  • Anti-CD38 IgG1 kappa monoclonal antibody
  • Exerts antibody-dependent cell-mediated cytotoxicity (ADCC)
  • Exerts complement-mediated cytotoxicity
  • 16 mg/kg IV infusion weekly during weeks 1-8
  • 16 mg/kg IV infusion every 2 weeks during weeks 9-24
  • 16 mg/kg IV infusion every 4 weeks starting week 25 and onwards

Infusion reaction, lymphopenia, neutropenia, fatigue, anemia, back pain, false positive indirect Coombs' test

Smoldering multiple myeloma

  • Presence of M-spike that quantitates > 3 g/dl on protein electrophoresis, or
  • Presence of bone marrow plasma cell burden of > 10% but < 60%

plus

  • Absence of end-organ damage such as anemia, hypercalcemia, renal dysfunction, or osseous lesions
  • Monitoring of complete blood count at specified intervals, depending on risk stratification
  • Chemotherapy with lenalidomide and dexamethasone for high-risk patients

Active multiple myeloma

  • Presence of M-spike that quantitates > 3 g/dl on protein electrophoresis, or
  • Presence of bone marrow plasma cell burden of > 10% but < 60%

plus

  • Presence of at least one of the following: anemia, hypercalcemia, renal dysfunction, osseous lesions, bone marrow plasma cell burden > 60%, serum free light chain ratio (of involved to uninvolved light chain) > 100, MRI showing > 1 bony lesion of at least 5mm
  • Induction chemotherapy with bortezomib, lenalidomide, and dexamethasone
  • High-dose therapy plus autologous stem cell transplantation
  • Post-transplant lenalidomide maintenance

(Please see Therapy section for details

Supportive therapy

  • Supportive therapy is recommended based on patient's symptoms and medication side effects.[1][2]
  • Supportive therapy for active multiple myeloma includes:[1][2]

Maintenance therapy

  • After a few months of induction therapy the advantages of continuing the same therapy seems to be limited.[1][2]
  • Therefore, this phase is being followed up with maintenance therapy with one of the newer agents such as thalidomide, lenalidomide or bortezomib.[1][2]
  • However, further clinical trials are needed to establish the efficacy of each of these agents.[1][2]

Stratification of Treatment Based on Transplant Eligibility

Transplant-Eligible Patients

  • According to the Myeloma Mayo Stratification of Myeloma and Risk-Adapted Therapy (Myeloma M-SMART), medical therapy for transplant-eligible patients is individualized based on the patient risk.[17]
  • The algorithm is shown below:


 
 
 
 
 
Treatment for patients with multiple myeloma who are transplant-eligible
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
High risk
 
Intermediate risk
 
 
 
Standard risk
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Autologous stem cell transplant (especially if patient is not in complete remission)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bortezomib-based therapy for > 1 year
 
Consider lenalidomide maintenance
 
 



Transplant-Ineligible Patients

  • According to the Myeloma Mayo Stratification of Myeloma and Risk-Adapted Therapy (Myeloma M-SMART), medical therapy for transplant-ineligible patients is also individualized based on the patient risk.[17]
  • The algorithm is shown below:


 
 
 
 
 
Treatment for patients with multiple myeloma who are transplant-ineligible
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
High risk
 
Intermediate risk
 
Standard risk
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bortezomib maintenance
 
Observation
 
 
 
 
 

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 Treatment guide active multiple myeloma. National comprehensive cancer network(2015) http://www.nccn.org/patients/guidelines/myeloma/#44/z Accessed on September, 20th 2015
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 Treatment guide smoldering multiple myeloma. National comprehensive cancer network(2015) http://www.nccn.org/patients/guidelines/myeloma/#44/z Accessed on September, 20th 2015
  3. ↑ 3.0 3.1 Weiss BM, Kuehl WM (2010). "Advances in understanding monoclonal gammopathy of undetermined significance as a precursor of multiple myeloma". Expert Rev Hematol. 3 (2): 165–74. doi:10.1586/ehm.10.13. PMC 2869099. PMID 20473362.
  4. ↑ 4.0 4.1 4.2 Ghobrial IM, Landgren O (2014). "How I treat smoldering multiple myeloma". Blood. 124 (23): 3380–8. doi:10.1182/blood-2014-08-551549. PMC 4246036. PMID 25298034.
  5. ↑ Alexanian, R.; Barlogie, B.; Tucker, S. (1990). "VAD-based regimens as primary treatment for multiple myeloma". Am J Hematol. 33 (2): 86–9. PMID 2301376. Unknown parameter |month= ignored (help)
  6. ↑ Segeren, CM.; Sonneveld, P.; van der Holt, B.; Baars, JW.; Biesma, DH.; Cornellissen, JJ.; Croockewit, AJ.; Dekker, AW.; Fibbe, WE. (1999). "Vincristine, doxorubicin and dexamethasone (VAD) administered as rapid intravenous infusion for first-line treatment in untreated multiple myeloma". Br J Haematol. 105 (1): 127–30. PMID 10233375. Unknown parameter |month= ignored (help)
  7. ↑ Anderson, H.; Scarffe, JH.; Ranson, M.; Young, R.; Wieringa, GS.; Morgenstern, GR.; Fitzsimmons, L.; Ryder, D. (1995). "VAD chemotherapy as remission induction for multiple myeloma". Br J Cancer. 71 (2): 326–30. PMID 7841049. Unknown parameter |month= ignored (help)
  8. ↑ Mateos, MV.; Richardson, PG.; Schlag, R.; Khuageva, NK.; Dimopoulos, MA.; Shpilberg, O.; Kropff, M.; Spicka, I.; Petrucci, MT. (2010). "Bortezomib plus melphalan and prednisone compared with melphalan and prednisone in previously untreated multiple myeloma: updated follow-up and impact of subsequent therapy in the phase III VISTA trial". J Clin Oncol. 28 (13): 2259–66. doi:10.1200/JCO.2009.26.0638. PMID 20368561. Unknown parameter |month= ignored (help)
  9. ↑ Rajkumar, SV.; Jacobus, S.; Callander, NS.; Fonseca, R.; Vesole, DH.; Williams, ME.; Abonour, R.; Siegel, DS.; Katz, M. (2010). "Lenalidomide plus high-dose dexamethasone versus lenalidomide plus low-dose dexamethasone as initial therapy for newly diagnosed multiple myeloma: an open-label randomised controlled trial". Lancet Oncol. 11 (1): 29–37. doi:10.1016/S1470-2045(09)70284-0. PMID 19853510. Unknown parameter |month= ignored (help)
  10. ↑ 10.0 10.1 10.2 Facon, T.; Mary, JY.; Pégourie, B.; Attal, M.; Renaud, M.; Sadoun, A.; Voillat, L.; Dorvaux, V.; Hulin, C. (2006). "Dexamethasone-based regimens versus melphalan-prednisone for elderly multiple myeloma patients ineligible for high-dose therapy". Blood. 107 (4): 1292–8. doi:10.1182/blood-2005-04-1588. PMID 16174762. Unknown parameter |month= ignored (help)
  11. ↑ 11.0 11.1 11.2 Shustik, C.; Belch, A.; Robinson, S.; Rubin, SH.; Dolan, SP.; Kovacs, MJ.; Grewal, KS.; Walde, D.; Barr, R. (2007). "A randomised comparison of melphalan with prednisone or dexamethasone as induction therapy and dexamethasone or observation as maintenance therapy in multiple myeloma: NCIC CTG MY.7". Br J Haematol. 136 (2): 203–11. doi:10.1111/j.1365-2141.2006.06405.x. PMID 17233817. Unknown parameter |month= ignored (help)
  12. ↑ Rajkumar, SV.; Rosiñol, L.; Hussein, M.; Catalano, J.; Jedrzejczak, W.; Lucy, L.; Olesnyckyj, M.; Yu, Z.; Knight, R. (2008). "Multicenter, randomized, double-blind, placebo-controlled study of thalidomide plus dexamethasone compared with dexamethasone as initial therapy for newly diagnosed multiple myeloma". J Clin Oncol. 26 (13): 2171–7. doi:10.1200/JCO.2007.14.1853. PMID 18362366. Unknown parameter |month= ignored (help)
  13. ↑ Barlogie, B.; Tricot, G.; Anaissie, E.; Shaughnessy, J.; Rasmussen, E.; van Rhee, F.; Fassas, A.; Zangari, M.; Hollmig, K. (2006). "Thalidomide and hematopoietic-cell transplantation for multiple myeloma". N Engl J Med. 354 (10): 1021–30. doi:10.1056/NEJMoa053583. PMID 16525139. Unknown parameter |month= ignored (help)
  14. ↑ Palumbo, A.; Bringhen, S.; Liberati, AM.; Caravita, T.; Falcone, A.; Callea, V.; Montanaro, M.; Ria, R.; Capaldi, A. (2008). "Oral melphalan, prednisone, and thalidomide in elderly patients with multiple myeloma: updated results of a randomized controlled trial". Blood. 112 (8): 3107–14. doi:10.1182/blood-2008-04-149427. PMID 18505783. Unknown parameter |month= ignored (help)
  15. ↑ "Combination chemotherapy versus melphalan plus prednisone as treatment for multiple myeloma: an overview of 6,633 patients from 27 randomized trials. Myeloma Trialists' Collaborative Group". J Clin Oncol. 16 (12): 3832–42. 1998. PMID 9850028. Unknown parameter |month= ignored (help)
  16. ↑ Dingli D, Ailawadhi S, Bergsagel PL, Buadi FK, Dispenzieri A, Fonseca R; et al. (2017). "Therapy for Relapsed Multiple Myeloma: Guidelines From the Mayo Stratification for Myeloma and Risk-Adapted Therapy". Mayo Clin Proc. 92 (4): 578–598. doi:10.1016/j.mayocp.2017.01.003. PMC 5554888. PMID 28291589.
  17. ↑ 17.0 17.1 Mikhael JR, Dingli D, Roy V, Reeder CB, Buadi FK, Hayman SR; et al. (2013). "Management of newly diagnosed symptomatic multiple myeloma: updated Mayo Stratification of Myeloma and Risk-Adapted Therapy (mSMART) consensus guidelines 2013". Mayo Clin Proc. 88 (4): 360–76. doi:10.1016/j.mayocp.2013.01.019. PMID 23541011.


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