Mistletoe is a semiparasitic plant that grows on several types of common trees such as apple, oak, pine, and elm. Mistletoe extract has been used since ancient times to treat many ailments (see Question 1).
Mistletoe is one of the most widely studied complementary and alternative medicine therapies in people with cancer. In certain European countries, preparations made from European mistletoe are among the most prescribed drugs for patients with cancer (see Question 1).
A randomized, prospective study of 100 patients with immunoglobulin light-chain amyloidosis compared melphalan plus high-dose dexamethasone with high-dose melphalan plus autologous stem cell rescue. After a median follow-up of 3 years, median OS favored the nontransplant arm (56.9 months vs. 22.2 months; P = .04).[Level of evidence: 1iiA] The 24% transplant-related mortality in this series and others reflects the difficulties involved with high-dose chemotherapy in older patients with organ dysfunction.[12,13,14,15,16,17] A randomized trial confirming the benefit of autologous transplantation is not anticipated.
An anecdotal series describes full-intensity and reduced-intensity allogeneic stem cell transplantation.
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with primary systemic amyloidosis. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.
General information about clinical trials is also available from the NCI Web site.
Wechalekar AD, Goodman HJ, Lachmann HJ, et al.: Safety and efficacy of risk-adapted cyclophosphamide, thalidomide, and dexamethasone in systemic AL amyloidosis. Blood 109 (2): 457-64, 2007.
Dispenzieri A, Lacy MQ, Zeldenrust SR, et al.: The activity of lenalidomide with or without dexamethasone in patients with primary systemic amyloidosis. Blood 109 (2): 465-70, 2007.
Sanchorawala V, Wright DG, Rosenzweig M, et al.: Lenalidomide and dexamethasone in the treatment of AL amyloidosis: results of a phase 2 trial. Blood 109 (2): 492-6, 2007.
Kastritis E, Wechalekar AD, Dimopoulos MA, et al.: Bortezomib with or without dexamethasone in primary systemic (light chain) amyloidosis. J Clin Oncol 28 (6): 1031-7, 2010.
Moreau P, Jaccard A, Benboubker L, et al.: Lenalidomide in combination with melphalan and dexamethasone in patients with newly diagnosed AL amyloidosis: a multicenter phase 1/2 dose-escalation study. Blood 116 (23): 4777-82, 2010.
Reece DE, Hegenbart U, Sanchorawala V, et al.: Efficacy and safety of once-weekly and twice-weekly bortezomib in patients with relapsed systemic AL amyloidosis: results of a phase 1/2 study. Blood 118 (4): 865-73, 2011.
Kumar SK, Hayman SR, Buadi FK, et al.: Lenalidomide, cyclophosphamide, and dexamethasone (CRd) for light-chain amyloidosis: long-term results from a phase 2 trial. Blood 119 (21): 4860-7, 2012.
Venner CP, Lane T, Foard D, et al.: Cyclophosphamide, bortezomib, and dexamethasone therapy in AL amyloidosis is associated with high clonal response rates and prolonged progression-free survival. Blood 119 (19): 4387-90, 2012.
Wechalekar AD, Schonland SO, Kastritis E, et al.: A European collaborative study of treatment outcomes in 346 patients with cardiac stage III AL amyloidosis. Blood 121 (17): 3420-7, 2013.
Kyle RA, Gertz MA, Greipp PR, et al.: A trial of three regimens for primary amyloidosis: colchicine alone, melphalan and prednisone, and melphalan, prednisone, and colchicine. N Engl J Med 336 (17): 1202-7, 1997.
Skinner M, Anderson J, Simms R, et al.: Treatment of 100 patients with primary amyloidosis: a randomized trial of melphalan, prednisone, and colchicine versus colchicine only. Am J Med 100 (3): 290-8, 1996.
Jaccard A, Moreau P, Leblond V, et al.: High-dose melphalan versus melphalan plus dexamethasone for AL amyloidosis. N Engl J Med 357 (11): 1083-93, 2007.
Dispenzieri A, Kyle RA, Lacy MQ, et al.: Superior survival in primary systemic amyloidosis patients undergoing peripheral blood stem cell transplantation: a case-control study. Blood 103 (10): 3960-3, 2004.
Skinner M, Sanchorawala V, Seldin DC, et al.: High-dose melphalan and autologous stem-cell transplantation in patients with AL amyloidosis: an 8-year study. Ann Intern Med 140 (2): 85-93, 2004.
Leung N, Leung TR, Cha SS, et al.: Excessive fluid accumulation during stem cell mobilization: a novel prognostic factor of first-year survival after stem cell transplantation in AL amyloidosis patients. Blood 106 (10): 3353-7, 2005.
Madan S, Kumar SK, Dispenzieri A, et al.: High-dose melphalan and peripheral blood stem cell transplantation for light-chain amyloidosis with cardiac involvement. Blood 119 (5): 1117-22, 2012.
Cibeira MT, Sanchorawala V, Seldin DC, et al.: Outcome of AL amyloidosis after high-dose melphalan and autologous stem cell transplantation: long-term results in a series of 421 patients. Blood 118 (16): 4346-52, 2011.
Mehta J, Gerta MA, Dispenzieri A: High-dose therapy for amyloidosis: the end of the beginning? Blood 103 (10): 3612-3, 2004.
Schönland SO, Lokhorst H, Buzyn A, et al.: Allogeneic and syngeneic hematopoietic cell transplantation in patients with amyloid light-chain amyloidosis: a report from the European Group for Blood and Marrow Transplantation. Blood 107 (6): 2578-84, 2006.
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WebMD Public Information from the National Cancer Institute
May 28, 2015
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