Study of Chimeric Fibril-Reactive Monoclonal Antibody 11-1F4 in Patients With AL Amyloidosis

Summary

The purpose of this study is to examine the tolerance, safety, pharmacokinetics, and possible clinical benefit of the good manufacturing practice (GMP)-grade amyloid fibril-reactive chimeric (Ch) IgG1 mAb 11-1F4 in patients with amyloid light-chain (AL) amyloidosis. The phase 1a part will involve at least 3 patients and a maximum of 18 patients. The first patient will receive the starting dose of the antibody and, if tolerated, the following patients will each receive (if tolerated) progressively higher doses of the antibody. Patients in part 1a of the trial will receive only one infusion of the drug. Patients treated in the phase 1a part receive lower dosage which might not be effective. Once the maximal tolerated dosage is established during the phase 1a part, the investigators will accrue patients to the phase 1b part of the trial. Patients will receive 4 infusions, once each week for 4 weeks. Patients who were treated in the part 1a of the trial and showed no toxicity can be also treated in the part 1b of the trial. The first patient will receive the starting dose of the antibody and, if tolerated, the following patients will each receive (if tolerated) progressively higher doses of the antibody. When the investigators reach the maximum tolerated dose without toxicity, the investigators will enroll another 4 patients to receive the same dose. If there are no toxicities, another 4 patients will be treated at the next dose level, and so forth. Patients treated in Phase 1b may receive lower dosages which might not be effective. The goal of Phase 1b is to establish the tolerance and possible beneficial effects of 11-1F4. If successful, treatment with this antibody would represent a novel approach in the care of individuals with AL amyloidosis.

Timeline

Start

2014-10-30

Primary completion

2017-07-13

Completion

2017-07-13

Publications

• Background Solomon, A. and Weiss, D.T. Protein and host factors implicated in the pathogenesis of light chain amyloidosis (AL amyloidosis). Amyloid: Inter. J. Exper. Clin. Invest. 2: 269-279, 1995.
• Background Kyle RA, Gertz MA. Primary systemic amyloidosis: clinical and laboratory features in 474 cases. Semin Hematol. 1995 Jan;32(1):45-59. No abstract available.
• Background Merlini G, Bellotti V. Molecular mechanisms of amyloidosis. N Engl J Med. 2003 Aug 7;349(6):583-96. doi: 10.1056/NEJMra023144. No abstract available.
• Background Kyle RA, Gertz MA, Greipp PR, Witzig TE, Lust JA, Lacy MQ, Therneau TM. A trial of three regimens for primary amyloidosis: colchicine alone, melphalan and prednisone, and melphalan, prednisone, and colchicine. N Engl J Med. 1997 Apr 24;336(17):1202-7. doi: 10.1056/NEJM199704243361702.
• Background Palladini G, Anesi E, Perfetti V, Obici L, Invernizzi R, Balduini C, Ascari E, Merlini G. A modified high-dose dexamethasone regimen for primary systemic (AL) amyloidosis. Br J Haematol. 2001 Jun;113(4):1044-6. doi: 10.1046/j.1365-2141.2001.02859.x.
• Background Comenzo RL, Gertz MA. Autologous stem cell transplantation for primary systemic amyloidosis. Blood. 2002 Jun 15;99(12):4276-82. doi: 10.1182/blood.v99.12.4276.
• Background Skinner M, Sanchorawala V, Seldin DC, Dember LM, Falk RH, Berk JL, Anderson JJ, O'Hara C, Finn KT, Libbey CA, Wiesman J, Quillen K, Swan N, Wright DG. High-dose melphalan and autologous stem-cell transplantation in patients with AL amyloidosis: an 8-year study. Ann Intern Med. 2004 Jan 20;140(2):85-93. doi: 10.7326/0003-4819-140-2-200401200-00008.
• Background Landau H, Hassoun H, Rosenzweig MA, Maurer M, Liu J, Flombaum C, Bello C, Hoover E, Riedel E, Giralt S, Comenzo RL. Bortezomib and dexamethasone consolidation following risk-adapted melphalan and stem cell transplantation for patients with newly diagnosed light-chain amyloidosis. Leukemia. 2013 Apr;27(4):823-8. doi: 10.1038/leu.2012.274. Epub 2012 Sep 27.
• Background O'Nuallain B, Allen A, Kennel SJ, Weiss DT, Solomon A, Wall JS. Localization of a conformational epitope common to non-native and fibrillar immunoglobulin light chains. Biochemistry. 2007 Feb 6;46(5):1240-7. doi: 10.1021/bi0616605.
• Background O'Nuallain B, Allen A, Ataman D, Weiss DT, Solomon A, Wall JS. Phage display and peptide mapping of an immunoglobulin light chain fibril-related conformational epitope. Biochemistry. 2007 Nov 13;46(45):13049-58. doi: 10.1021/bi701255m. Epub 2007 Oct 18.
• Background Hrncic R, Wall J, Wolfenbarger DA, Murphy CL, Schell M, Weiss DT, Solomon A. Antibody-mediated resolution of light chain-associated amyloid deposits. Am J Pathol. 2000 Oct;157(4):1239-46. doi: 10.1016/S0002-9440(10)64639-1.
• Background Solomon A, Weiss DT, Wall JS. Immunotherapy in systemic primary (AL) amyloidosis using amyloid-reactive monoclonal antibodies. Cancer Biother Radiopharm. 2003 Dec;18(6):853-60. doi: 10.1089/108497803322702824.
• Background Azeredo da Silveira S, Kikuchi S, Fossati-Jimack L, Moll T, Saito T, Verbeek JS, Botto M, Walport MJ, Carroll M, Izui S. Complement activation selectively potentiates the pathogenicity of the IgG2b and IgG3 isotypes of a high affinity anti-erythrocyte autoantibody. J Exp Med. 2002 Mar 18;195(6):665-72. doi: 10.1084/jem.20012024.
• Background Wall J, Murphy CL, Solomon A. In vitro immunoglobulin light chain fibrillogenesis. Methods Enzymol. 1999;309:204-17. doi: 10.1016/s0076-6879(99)09016-3.
• Background Solomon A, Weiss DT, Wall JS. Therapeutic potential of chimeric amyloid-reactive monoclonal antibody 11-1F4. Clin Cancer Res. 2003 Sep 1;9(10 Pt 2):3831S-8S.
• Background Gertz MA, Comenzo R, Falk RH, Fermand JP, Hazenberg BP, Hawkins PN, Merlini G, Moreau P, Ronco P, Sanchorawala V, Sezer O, Solomon A, Grateau G. Definition of organ involvement and treatment response in immunoglobulin light chain amyloidosis (AL): a consensus opinion from the 10th International Symposium on Amyloid and Amyloidosis, Tours, France, 18-22 April 2004. Am J Hematol. 2005 Aug;79(4):319-28. doi: 10.1002/ajh.20381.
• Background Davern S, Tang LX, Williams TK, Macy SD, Wall JS, Weiss DT, Solomon A. Immunodiagnostic capabilities of anti-free immunoglobulin light chain monoclonal antibodies. Am J Clin Pathol. 2008 Nov;130(5):702-11. doi: 10.1309/AJCPNS6K1CYJPDBA.
• Edwards CV, Rao N, Bhutani D, Mapara M, Radhakrishnan J, Shames S, Maurer MS, Leng S, Solomon A, Lentzsch S, Eisenberger A. Phase 1a/b study of monoclonal antibody CAEL-101 (11-1F4) in patients with AL amyloidosis. Blood. 2021 Dec 23;138(25):2632-2641. doi: 10.1182/blood.2020009039.

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