Stage II or III multiple myeloma is characterized by an intermediate or high amount of cancer in the body. Patients with either of these stages of multiple myeloma often have bone complications as a result of their disease and usually experience symptoms that require treatment.
With current therapy, curing patients with multiple myeloma is uncommon; recent advances incorporating new precision medicines, immunotherapy, stem cell transplantation, and maintenance therapy however have prolonged survival by several years. The only potentially curative treatment for multiple myeloma remains high-dose therapy followed by a stem cell transplant using donor cells (allogeneic stem cell transplant). This treatment, however, is associated with significant side effects and is currently most only for younger patients or those who have failed other therapies.
There are several effective chemotherapy drugs increasingly combined with newer precision medicines and immunotherapy used as standard-dose induction treatment of patients with multiple myeloma. The main goal of initial therapy of multiple myeloma is to produce a complete or near complete disappearance of myeloma cells in the body. A majority of patients can expect to achieve this goal with current therapies.1
Planning Treatment for Multiple Myeloma
Before beginning treatment for multiple myeloma your physician may discuss with you the option of undergoing high-dose chemotherapy with an autologous stem cell transplant (ASCT), which utilizes a patientâ€™s own stem cells. Most clinical trials conducted over the past two decades have shown that patients who undergo ASCT after they have achieved a remission with conventional chemotherapy experience improved outcomes.2
It is important to consider the possibility of a future ASCT at the time of diagnosis because stem cells have to be collected and frozen early in the disease course even if the initial treatment plan involves ASCT for treatment after a myeloma recurrence.
The other reason it is important to have this discussion is that opting to plan for an ASCT determines which chemotherapy drugs will make up the initial treatment. A type of chemotherapy drug called an alkylating agent such as AlkeranÂ®Â (melphalan) damages stem cells making collection difficult or impossible. Thus, patients who elect to have stem cells collected and stored are frequently treated with induction regimens that do not include alkylating agents. Patients who elect not to receive a stem cell transplant, or who are not candidates for stem cell transplantation because of advanced age or poor health, are often treated with an AlkeranÂ®Â -based regimen.
Standard-Dose Induction Therapy for Multiple Myeloma
Most patients with stage II or III multiple myeloma will initially receive treatment with standard-dose chemotherapy. Â Doctors will increasingly be incorporating newer precision medicines in an attempt to improve outcomes. The main goal of initial treatment is to induce a complete or near complete disappearance of myeloma cells, and this treatment is sometimes referred to asÂ induction therapy.3,4Â The selection of initial therapy depends on patient age the availability of appropriate precision medicines and a patients overall general medical condition. Patients in good health irrespective of age are often treated aggressively to produce a complete remission while more debilitated patients receive less aggressive therapy at the beginning of treatment.
The following medicines are approved by the U.S. Food and Drug Administration for the initial treatment of multiple myeloma: These medicines are typically used in combinations to attain the best results.
- Steroids (e.g., dexamethasone and prednisone).
- IMiDs (immunomodulatory drugs)
- RevlimidÂ®: (Lenalidomide)
- Proteasome inhibitors.
- Alkylating agents
These agents are usually administered in combination with other drugs and continue to be evaluated in clinical trials. Some of the common established combinations include the following but evaluating new drugs in combination regimens is an active, ongoing area of research.
- RevlimidÂ® and dexamethasone.
- RevlimidÂ® VelcadeÂ® and dexamethasone.
- ThalomidÂ®and dexamethasone
- MP (Alkeran and prednisone)
- MP plus VelcadeÂ®
- MP plus ThalomidÂ®
- VAD (Oncovin, Adriamycin and dexamethasone)
- Cytoxan, ThalomidÂ®and dexamethasone
RevlimidÂ® -based therapy: RevlimidÂ® is an oral derivative of ThalomidÂ®Â which has shown significant activity for the treatment of multiple myeloma.5,6 Several clinical trials have demonstrated that RevlimidÂ®Â combined with dexamethasone or Velcade improves survival and delays time to cancer progression.7,8 RevlimidÂ®Â combinations are among the most active but are associated with substantially greater myelosuppression but less neuropathy than seen with ThalomidÂ®; however, both have the same tendency for causing blood clots in the lower extremities.4,5,6
ThalomidÂ®Â -based therapy:Â Currently many newly diagnosed patients receive a combination that includes ThalomidÂ®. Results of clinical trials indicate that combination treatment with ThalomidÂ®Â and dexamethasone produces anticancer responses in approximately two-thirds of patients, which is significantly improved over dexamethasone treatment alone. Importantly, ThalomidÂ®Â doesnâ€™t damage stem cells.3,4
AlkeranÂ®Â based therapy:Â Prior to the widespread use of Thalomid the most frequently used regimens were AlkeranÂ®Â and prednisone and Oncovin, Adriamycin and dexamethasone (VAD).Â AlkeranÂ®Â -based therapy is still the most common treatment for patients who do not plan to undergo autologous stem cell transplant at some point in their disease course.
AlkeranÂ®Â and prednisone has been shown to produce anticancer responses in more than half of patients (60%), and that response lasts for a year and a half, on average. Patients typically survive two to three years after treatment with AlkeranÂ®Â and prednisone.Â While patients may respond more quickly to combination chemotherapy such as VAD, overall, anticancer responses are the same with AlkeranÂ®Â and prednisone.9,10,11,12
VelcadeÂ®:Â is classified as a proteosome inhibitor. VelcadeÂ®Â produces its anti-cancer responses by inhibiting the proteosome complexes in a cell. Proteosome complexes have many different functions in a cell, including growth and death pathways of many different proteins. Inhibition of proteosome complexes ultimately causes cellular death.7,8
AlkeranÂ®, prednisone, and VelcadeÂ®:Â A benefit of VelcadeÂ®Â among patients with previously untreated multiple myeloma was demonstrated by the phase III VISTA trial. Study participants received treatment with either MP alone or MP plus VelcadeÂ®. A complete response (complete disappearance of detectable myeloma) occurred in 30% of patients treated with MP plus VelcadeÂ®, but only 4% of patients treated with MP alone. Patients treated with VelcadeÂ®Â also had better progression-free survival.7
AlkeranÂ®, prednisone, and Thalomid (MPT):Â The addition of ThalomidÂ®Â to MP appears to produce quick and lasting anticancer responses in the treatment of patients with newly diagnosed multiple myeloma. Clinical trial results indicate that patients responded to MPT treatment within four months and nearly three-quarters of patients experienced a partial or near-complete disappearance of their myeloma. Approximately nine out of 10 patients (91%) survived two years or more after treatment.11
The addition of ThalomidÂ®Â to MP also appears to improve outcomes in the treatment of elderly patients compared to MP alone. More than three-quarters (76%) of patients treated with the three-drug combination experienced complete or partial remissions compared to less than half (47.6%) of patients treated with MP.12
MPT also appears to produce longer survival compared to intermediate-dose AlkeranÂ®Â followed by ASCT in the treatment of elderly patients with multiple myeloma.
Maintenance therapy is the ongoing use of a medicine or another treatment for months to years to help lower the risk of recurrence after initial therapy has induced a cancer remission.Â Some studies evaluating maintenance therapy using VelcadeÂ®Â in elderly patients have reported a delay in the time to cancer recurrence, but not all have ultimately increased overall survival.8,13,14 The use of RevlimidÂ®Â maintenance after ASCT has also been shown to delay the time to cancer recurrence and prolong survival. RevlimidÂ®Â is also associated with an increase in the risk of developing myelodysplasia or acute leukemia from 3% to 7%.15,16
High-dose Therapy and Stem Cell Transplant
A large, comparative, phase III clinical trial recently confirmed that upfront ASCT remains superior to novel agents for treatment of multiple myeloma and should still be the treatment of choice in younger patients with newly diagnosed multiple myeloma. The clinical trial evaluated a total of 1,266 patients less than 65 years of age with newly diagnosed multiple myeloma between February 2011 and April 2014.17
High doses of chemotherapy are more effective at killing myeloma cancer cells than lower doses. However, high-dose therapy destroys many other cells in the body. A dangerous side effect of administering high-dose therapy is damage to the stem cells in the bone marrow that develop into mature blood cells. Without functioning stem cells in the bone marrow, the body cannot produce red blood cells, white blood cells or platelets, which leaves patients vulnerable to infection and bleeding, and unable to supply adequate oxygen to their tissues.
Bone marrow function can be restored after high-dose therapy by replacing the damaged stem cells with healthy ones. This is a procedure known as a stem cell transplant.
There are two possible sources of stem cells for transplantation; they may be collected from the patient prior to undergoing high-dose therapy or they may be collected from a donor. A stem cell transplant that utilizes the patientâ€™s own stem cells is called an autologous stem cell transplant (ASCT). When the stem cells are from a donor the procedure is called an allogeneic stem cell transplant.
High-dose therapy followed by ASCT is a standard treatment for patients with stage II or III multiple myeloma. Following an initial ASCT, some patients may benefit from a second ASCT. This is known as a tandem, or double, transplant. Studies have suggested that patients who do not achieve a complete or very good anti-cancer response to the first ASCT are the most likely to benefit from a second ASCT.2,17,18
In general, ASCT is performed much more frequently than allogeneic transplants. This is due to the fact that there are relatively few patients with suitable donors and because allogeneic transplants are associated with more treatment-related complications.
Initial High-Dose Therapy and Stem Cell Transplant or Wait Until After Relapse?
Although ASCT as part of initial therapy appears superior to novel agents for treatment of multiple myeloma some patients and physicians elect to wait until multiple myeloma recurs after initial treatment or progresses with treatment before proceeding to ASCT. Results of clinical trials indicate that patients may have similar survival whether they elect to undergo ASCT as part of initial therapy or at the time of relapse.17,18 Based on these findings, a recent review of multiple myeloma concluded that the timing of ASCT â€śis based on patient and physician preference and the ability to cryopreserve stem cells.â€ť One potential advantage of early ASCT is that it involves a shorter duration of chemotherapy.
It is important to note that undergoing ASCT at the time of myeloma progression is more likely to be successful if it is planned for. Stem cells must be collected prior to any other initial treatment because the bone marrow becomes damaged even with conventional-dose chemotherapy.
Managing Complications & Side Effects of Myeloma
The treatment of multiple myeloma is focused on controlling the underlying disease (the increased number of abnormal plasma cells). Managing the symptoms and other medical problems resulting from the increased numbers of plasma cells and abnormal proteins is equally important. The following are complications of multiple myeloma that have specific treatments available:
Bone complications: In 70% of multiple myeloma cases, the bones develop multiple holes, which explains why the disease is referred to as â€śmultipleâ€ť myeloma. The holes are referred to as osteolytic lesions, which cause the bones to be fragile and subject to fractures. Osteolytic lesions are caused by the rapid growth of myeloma cells, which push aside normal bone-forming cells, preventing them from repairing general wear and tear of the bones. Under normal circumstances, cells called osteoclasts destroy dead and dying bone. Multiple myeloma causes the secretion of osteoclast-activating factor, a substance that stimulates osteoclasts.
Multiple myeloma involving the bone can cause pain, fracture and other significant problems for patients. Management of bone involvement is an integral part of the overall treatment strategy for multiple myeloma. The first objective of treatment of bone complications is to prevent new bone disease from developing or progression from existing bone lesions to occur.
Bisphosphonate drugs can effectively prevent loss of bone that occurs from metastatic lesions, reduce the risk of fractures, and decrease pain. Bisphosphonate drugs work by inhibiting bone resorption, or breakdown. Bone is constantly being â€śremodeledâ€ť by two types of cells: osteoclasts, which break down bone; and osteoblasts, which rebuild bone. Although the exact process by which bisphosphonates work is not completely understood, it is thought that bisphosphonates inhibit osteoclasts and induce apoptosis (cell death) in these cells, thereby reducing bone loss. There is also evidence that these drugs bind to bone, thereby blocking osteoclasts from breaking down bone.
Bisphosphonate drugs that are FDA-approved for the treatment of cancer-related skeletal complications include ZometaÂ® (zoledronic acid) and ArediaÂ® (pamidronate). Of these two drugs, Zometa appears to demonstrate the strongest activity. An added benefit of Zometa is that it is administered in a dose ten times lower than Aredia, which considerably reduces the administration time from several hours to 15 minutes, resulting in a more convenient regimen for patients.19
Patients with progressive bone involvement from multiple myeloma may experience worsening pain and/or fracture of the bone from the progressive cancer. Low-dose radiation therapy, as well as analgesics, can help control the pain from bone progression of multiple myeloma.
To learn more about bone complications and bone health, go to the Bone Complications and Cancer.
Hypercalcemia:Â Many multiple myeloma patients develop hypercalcemia, which is an increased level of calcium in the bloodstream. Hypercalcemia results from the destruction of bone from osteolytic lesions or sometimes from the development of generalized osteoporosis, in which all the bones are soft and porous and have lost calcium. Hypercalcemia in patients with multiple myeloma causes fatigue, lethargy and other symptoms. Severe hypercalcemia is a medical emergency requiring immediate treatment. Typically, hypercalcemia is treated with bisphosphonates and hydration.
Decreased blood cell production: The multiplication of the plasma cells in the bone marrow eventually crowds out and suppresses the normal production of blood cells. This may cause a significant decrease in red blood cells, causing anemia; in platelets, causing abnormal bleeding and in white blood cells, causing neutropenia.
Anemia:Â Anemia, or a decrease in the red blood cell hemoglobin concentration necessary for the transport of oxygen to the bodyâ€™s organs, is a common complication of multiple myeloma. Anemia may cause patients to experience tiredness, fatigue, shortness of breath and/or a reduced tolerance to activity. Anemia resulting from multiple myeloma can often be treated with erythropoietin (ProcritÂ® (epoetin alfa) or AranespÂ® (darbepoetin alfa). To learn more, go toÂ Anemia.
Infections: The depletion of normal white blood cells compromises the patientâ€™s immunity in several ways. First, the number of monocytes and granulocytes are greatly reduced so that the patient is at risk from infections. Second, the delicate and complex balance between the different types of lymphocytes is distorted. Patients with multiple myeloma often have reduced levels of normal immunoglobulin necessary to fight certain types of infections. Patients experiencing recurrent infections may need to have immunoglobulin levels replenished. Patients who experience recurrent infections may want to ask their physician about immunoglobulin replacement therapy. To learn more, go toÂ Neutropenia.
Kidney dysfunction:Â In 75% of patients, the plasma cells also produce monoclonal incomplete immunoglobulins, called light chains. These are excreted in the urine and are the so-called Bence Jones proteins. Bence Jones proteins are named after a British physician, Henry Bence Jones (1813-1873), who first discovered them. Bence Jones proteins may deposit in the kidney, clogging the tubules. Ultimately, this damages the kidney and can cause renal failure. Hypercalcemia may exacerbate kidney problems because excess calcium in the bloodstream causes excessive fluid loss and dehydration. Because the abnormal proteins produced by the plasma cells are eliminated from the body through the urine, they may accumulate in the kidneys and cause kidney dysfunction. In addition to treating the underlying cancer, it is important for patients to maintain adequate oral intake of fluids to help avoid kidney failure and avoid using over-the-counter medications such as non-steroidal anti-inflammatory drugs that can worsen kidney function.
Strategies to Improve Treatment
Advances in precision medicine are leading to the development of more effective treatments for multiple myeloma.Â Â Advances require that these new and innovative therapies be evaluated with cancer patients in clinical trials. Â Patients should discuss the role of clinical trials in the management of their condition with their doctor.
Precision Medicine: Cancer used to be diagnosed solely by a visual microscopic examination of tumor tissue and all patients received the same chemotherapy. Now, doctors are personalizing care by finding the genetic alterations within the cancer that drive its growth and use medicines that specifically counteract the cancerous effects of those genes.Â In addition, these â€śtargeted therapiesâ€ť are designed to treat only the cancer cells and minimize damage to normal, healthy cells. The ability to test a patientsâ€™ cancer for individual differences at the genetic level, and to make treatment decisions based on those differences is the hallmark of precision medicine.
DarzalexÂ®Â (daratumumab) is a precision medicine-monoclonal antibody that targets the CD38 antigen n the multiple myeloma calls. When added to dexamethasone and either VelcadeÂ®or RevlimidÂ®, DarzalexÂ®Â improves outcomes when compared to dexamethasone and VelcadeÂ® or RevlimidÂ® alone.20,21
FarydakÂ®Â (panobinostat)Â is a drug that belongs to a class of drugs called histone deacetylase (HDAC) inhibitors. They work by increasing the production of proteins that slow cell division and cause cell death. Adding panobinostat to VelcadeÂ®Â and dexamethasone is reported to improve the time to cancer progression from 8 to 12 months with over twice as many patients surviving 2 years. Longer follow up is required to determine any overall survival benefit.22
KyprolisÂ®Â (carfilzomib)Â belongs to a class of drugs known as proteasome inhibitors.Â They work by preventing the breakdown of protein in cancer cells, triggering their death. Patients with advanced myeloma treated with KyprolisÂ®Â in combination with RevlimidÂ®Â and low-dose dexamethasone lived on average 26.3 months without their disease worsening compared to 17.6 months for patients treated with RevlimidÂ®Â and low-dose dexamethasone.23
EmplicitiÂ®Â (elotuzumab)Â is a precision medicine-monoclonal antibody, which binds to a protein (the CS1 glycoprotein) commonly found on myeloma cells and rarely found on normal cells. This treatment allows the immune system to selectively kill myeloma cells.Â EmplicitiÂ®Â in combination with RevlimidÂ®Â and low-dose dexamethasone, was evaluated in relapsed multiple myeloma. Overall, 82% of patients in the trial responded to treatment.24
PomalystÂ®Â Â (pomalidomide) is an immunomodulatory drug that works by directly inhibiting angiogenesis and myeloma cell growth. Pomalyst alone has shown limited efficacy in patients with relapsed multiple myeloma, but synergistic effects have been noted when combined with dexamethasone.25
NinlaroÂ®Â (ixazomib)Â is an oral proteasome inhibitor that also has promising anti-myeloma effects and low rates of peripheral neuropathy. VelcadeÂ®Â was the first in a new class of anticancer agents known as proteasome inhibitors to be approved for the treatment of multiple myeloma and has become a standard of care as part of initial treatment. VelcadeÂ®, RevlimidÂ®, and dexamethasone are highly effective treatments for newly diagnosed multiple myeloma. Substituting NinlaroÂ®Â for VelcadeÂ®Â allows for the creation of an oral drug regimen with potential for improved patient convenience. In a clinical trial evaluating the oral regimen the therapy was generally well tolerated and 92% of patients experienced at least a partial disappearance of their cancer.26
Maintenance therapy:Â The administration of relatively low doses of anticancer drugs after an ASCT could extend the time before cancer progression or prevent relapses. Dexamethasone and interferon are two drugs that have been investigated as maintenance therapy, but benefits remain uncertain.
Researchers conducted a Phase III clinical trial in 614 patients under the age of 65 who had undergone ASCT for initial treatment of multiple myeloma and then treated either RevlimidÂ®Â or a placebo. Treatment with RevlimidÂ®Â delayed the progression of myeloma but did not prolong overall survival.
Progression-free survival was 46 months with RevlimidÂ®Â and 24 months with placebo. Overall survival is ~ 81 months in both groups.27
Reduced Intensity Allogeneic Stem Cell Transplant:
Reduced Intensity Transplants:Â In an attempt to reduce treatment-related side effects, some researchers have explored the role of reduced-intensity (RIC) allogeneic stem cell transplantation. This approach carries a lower risk than conventional allogeneic stem cell transplant, but has also been linked with a higher risk of relapse.28,29Â Nevertheless, one small study has reported that ASCT followed by RIC allogeneic stem cell transplantation resulted in better overall survival than tandem ASCT.30
High-dose therapy followed by allogeneic stem cell transplant is currently the only potentially curative treatment for multiple myeloma. The high risk of serious complications, however, has prompted researchers to explore an alternative procedure known as a reduced-intensity allogeneic stem cell transplant. In a study of 24 patients with poor-risk, relapsed, or refractory multiple myeloma, the approach of starting with an autologous stem cell transplant and then performing a reduced-intensity allogeneic stem cell transplant (with stem cells from an unrelated donor) produced promising response rates with a lower risk of death from treatment.31
Donor lymphocyte infusions:Â Recent studies have indicated that patients with multiple myeloma who experience a recurrence after an allogeneic transplant achieved high response rates to donor lymphocyte infusions. Researchers from several transplant centers in Europe evaluated 27 patients with multiple myeloma who had a recurrence following treatment with HDC and an allogeneic SCT.
All of these patients received infusions of donor lymphocytes after recurrence of the cancer. Over half of the patients experienced a partial or complete disappearance of myeloma following the infusion. Unfortunately, graft-versus-host disease, a side effect caused by donor cells attacking healthy tissue of the patient, affected over 75% of these patients. The results of this study suggest that donor lymphocyte infusions may be beneficial to patients with multiple myeloma who have a recurrence after HDC and allogeneic stem cell transplant.32
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2Â Barlogie B, Kyle RA, Anderson KC et al. Standard chemotherapy compared with high-dose chemoradiotherapy for multiple myeloma: final results of phase III US Intergroup Trial S9321. Journal of Clinical Oncology. 2006;24:929-936.
3Â Weber D, Rankin K, Gavino M, et al. Thalidomide alone or with dexamethasone for previously untreated multiple myeloma. Journal of Clinical Oncology. 2003;21:16-19.
4Â Rajkumar SV, Blood E, Vesole D, et al. Phase III clinical trial of thalidomide plus dexamethasone compared with dexamethasone alone in newly diagnosed multiple myeloma: a clinical trial coordinated by the Eastern Cooperative Oncology Group. Journal of Clinical Oncology. 2006;24(3):431-6.
5Â Dimopoulos M, Spencer A, Attal M, et al.: Lenalidomide plus dexamethasone for relapsed or refractory multiple myeloma. N Engl J Med 357 (21): 2123-32, 2007.
6Â Weber DM, Chen C, Niesvizky R, et al.: Lenalidomide plus dexamethasone for relapsed multiple myeloma in North America. N Engl J Med 357 (21): 2133-42.
7Â Millennium Pharmaceuticals. FDA approves VelcadeÂ® (bortezomib) for injection for patients with previously untreated multiple myeloma. Available at: http://investor.millennium.com/phoenix.zhtml?c=80159&p=irol-newsmediaArt.... Accessed June 2008.
8Â Sonneveld P, Schmidt-Wolf IG, van der Holt B, et al.: Bortezomib induction and maintenance treatment in patients with newly diagnosed multiple myeloma: results of the randomized phase III HOVON-65/ GMMG-HD4 trial. J Clin Oncol 30 (24): 2946-55, 2012
9Â Gregory WM, Richards MA, Malpas JS, Combination chemotherapy vs. melphalan and prednisolone in the treatment of multiple myeloma: An overview of published trials. Journal of Clinical Oncology. 1992;10:334-342.
10Â Gregory WM, Richards MA, Mlpas JS. Combination chemotherapy vs. melphalan and prednisolone in the treatment of multiple myeloma: An overview of published trials. Journal of Clinical Oncology. 1992;10:334-342.
11 Palumbo A, Bertola A, Musto P et al. Oral Melphalan, Prednisone, and Thalidomide for Newly Diagnosed Patients with Myeloma. Cancer. 2005;104:1428-33.
12Â Palumbo A, Bringhen S, Caravita T, et al. Oral melphalan and prednisone chemotherapy plus thalidomide compared with melphalan and prednisone alone in elderly patients with multiple myeloma: randomized controlled trial. The Lancet. 2006;367:825-831.
13Â Mateos MV, Oriol A, MartĂnez-LĂłpez J, et al.: Bortezomib, melphalan, and prednisone versus bortezomib, thalidomide, and prednisone as induction therapy followed by maintenance treatment with bortezomib and thalidomide versus bortezomib and prednisone in elderly patients with untreated multiple myeloma: a randomised trial. Lancet Oncol 11 (10): 934-41, 2010
14Â Mateos MV, Oriol A, MartĂnez-LĂłpez J, et al.: Maintenance therapy with bortezomib plus thalidomide or bortezomib plus prednisone in elderly multiple myeloma patients included in the GEM2005MAS65 trial. Blood 120 (13): 2581-8, 2012
15Â Attal M, Lauwers-Cances V, Marit G, et al.: Lenalidomide maintenance after stem-cell transplantation for multiple myeloma. N Engl J Med 366 (19): 1782-91, 2012.
16Â Palumbo A, Hajek R, Delforge M, et al.: Continuous lenalidomide treatment for newly diagnosed multiple myeloma. N Engl J Med 366 (19): 1759-69, 2012. Results of a Multicenter Sequential Randomized Trial. Blood. 1998;92:3131-3136.
17 Cavo M, Palumbo A, Zweegman S, et al. Upfront autologous stem cell transplantation (ASCT) versus novel agent-based therapy for multiple myeloma (MM): A randomized phase 3 study of the European Myeloma Network (EMN02/HO95 MM trial). Abstract #8000. Presented at the 2016 American Society of Clinical Oncology Annual Meeting, Chicago, IL, June 3, 2016.
18 Fermand J-P, Ravaud P, Chevret S, et al. High-Dose Therapy and Autologous Peripheral Blood Stem Cell Transplantation: UP-Front or Rescue Treatments?
19Â Ross JR, Saunders Y, Edmonds PM, et al. Systematic Review of Role of Bisphosphonates on Skeletal Morbidity in Metastatic Cancer. British Medical Journal 2003; 327:469-471.
20 Usmani S, Weiss B, Plesner T, et al. Clinical efficacy of daratumumab monotherapy in patients with heavily pretreated relapsed or refractory multiple myeloma. Blood. 2016; doi:10.1182/blood-2016-03-705210. Available at: http://www.bloodjournal.org/content/early/2016/05/23/blood-2016-03-70521.... Accessed June 29, 2016.
21 Lokhohrst H, Plesner T, Laubach J, et al. Targeting CD38 with daratumumab monotherapy in multiple myeloma. New England Journal of Medicine. 2015; August 26, 2015DOI: 10.1056/NEJMoa1506348.
22Â San-Migule J, Hungira V, Yoon S-S, et al. Panobinostat plus bortezomib and dexamethasone versus placebo plus bortezomib and dexamethasone in patients with relapsed or relapsed and refractory multiple myeloma: a multicentre, randomised, double-blind phase 3 trial. The Lancet Oncology, Volume 15, Issue 11, Pages 1195 â€“ 1206, October 2014.
23 Wang M, Martin T, Bensinger W, et al. Phase 2 dose-expansion study (PX-171-006) of carfilzomib, lenalidomide, and low-dose dexamethasone in relapsed or progressive multiple myeloma. Blood. 2013; 122(18):3122-3128.
24 Richardson PGG, Moreau P, Jakubowiak AJ et al. Elotuzumab with lenalidomide and low-dose dexamethasone in patients with relapsed multiple myeloma: a randomized phase II study. Paper presented at: 2011 Annual Meeting of the American Society of Clinical Oncology; June 3-7, 2011; Chicago, IL. Abstract 8014. Meeting of the American Society of Clinical Oncology; June 3-7, 2011; Chicago, IL. Abstract 8014.
25 San Miguel J, Weisel K, Moreau P, et al. Pomalidomide plus low-dose dexamethasone versus high-dose dexamethasone alone for patients with relapsed and refractory multiple myeloma (MM-003): a randomised, open-label, phase 3 trial. Lancet Oncology. Published early online September 3, 2013. doi:10.1016/S1470-2045(13)70380-2
26 Kumar S, Berdeja J, Niewsvizky R, et al. Safety and tolerability of ixazomib, an oral proteasome inhibitor, in combination with lenalidomide and dexamethasone in patients with previously untreated multiple myeloma: an open-label phase 1/2 study. The Lancet Oncology, Volume 15, Issue 13, Pages 1503 â€“ 1512. December 2014.
27 Attal M, Lauwers-Cances V, Marit G et al. Lenalidomide Maintenance After Stem-Cell Transplantation For Multiple Myeloma: Follow-Up Analysis Of The IFM 2005-02 Trial. Presented at the 55th ASH Annual Meeting and Exposition. New Orleans, LA. December 7-10, 2013. Abstract 406.
28 Kyle RA, Rajkumar SV. Multiple Myeloma. Blood. 2008;111:2962-2972.
29 Harousseau J-L. Role of stem cell transplantation. Hematology/Oncology Clinics of North America. 2007;21:1157-1174.
30 Bruno B, Rotta M, Patriarca F et al. A comparison of allografting with autografting for newly diagnosed myeloma. New England Journal of Medicine. 2007;356:1110-1120.
31 Georges GE, Maris MB, Maloney GD et al. Nonmyeloablative unrelated donor hematopoietic cell transplantation for the treatment of patients with poor-risk, relapsed, or refractory multiple myeloma. Biol Blood Marrow Transplant. 2007;13:423-432.
32 Lokhorst HM, Schattenberg A, Cornelissen JJ et al. Donor lymphocyte infusions for relapsed multiple myeloma after allogeneic stem-cell transplantation: predictive factors for response and long-term outcome. Journal of Clinical Oncology. 2000;18:3031-3037.
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