Effects of cKit Inhibition by Imatinib in Patients With Severe Refractory Asthma (KIA)

Summary

The purpose of this study is to see whether a new investigational drug (Imatinib) may help improve asthma in people whose symptoms are not well controlled with high dose inhaled corticosteroid treatment.

Timeline

Start

2010-11

Primary completion

2015-08

Completion

2016-08

Publications

• Background Al-Muhsen SZ, Shablovsky G, Olivenstein R, Mazer B, Hamid Q. The expression of stem cell factor and c-kit receptor in human asthmatic airways. Clin Exp Allergy. 2004 Jun;34(6):911-6. doi: 10.1111/j.1365-2222.2004.01975.x.
• Background Bischoff SC, Dahinden CA. c-kit ligand: a unique potentiator of mediator release by human lung mast cells. J Exp Med. 1992 Jan 1;175(1):237-44. doi: 10.1084/jem.175.1.237.
• Background Brightling CE, Bradding P, Symon FA, Holgate ST, Wardlaw AJ, Pavord ID. Mast-cell infiltration of airway smooth muscle in asthma. N Engl J Med. 2002 May 30;346(22):1699-705. doi: 10.1056/NEJMoa012705.
• Background Campbell E, Hogaboam C, Lincoln P, Lukacs NW. Stem cell factor-induced airway hyperreactivity in allergic and normal mice. Am J Pathol. 1999 Apr;154(4):1259-65. doi: 10.1016/S0002-9440(10)65377-1.
• Background Carroll NG, Mutavdzic S, James AL. Increased mast cells and neutrophils in submucosal mucous glands and mucus plugging in patients with asthma. Thorax. 2002 Aug;57(8):677-82. doi: 10.1136/thorax.57.8.677.
• Background Flood-Page P, Swenson C, Faiferman I, Matthews J, Williams M, Brannick L, Robinson D, Wenzel S, Busse W, Hansel TT, Barnes NC; International Mepolizumab Study Group. A study to evaluate safety and efficacy of mepolizumab in patients with moderate persistent asthma. Am J Respir Crit Care Med. 2007 Dec 1;176(11):1062-71. doi: 10.1164/rccm.200701-085OC. Epub 2007 Sep 13.
• Background Proceedings of the ATS workshop on refractory asthma: current understanding, recommendations, and unanswered questions. American Thoracic Society. Am J Respir Crit Care Med. 2000 Dec;162(6):2341-51. doi: 10.1164/ajrccm.162.6.ats9-00. No abstract available.
• Background Lukacs NW, Kunkel SL, Strieter RM, Evanoff HL, Kunkel RG, Key ML, Taub DD. The role of stem cell factor (c-kit ligand) and inflammatory cytokines in pulmonary mast cell activation. Blood. 1996 Mar 15;87(6):2262-8.
• Background Nair P, Pizzichini MM, Kjarsgaard M, Inman MD, Efthimiadis A, Pizzichini E, Hargreave FE, O'Byrne PM. Mepolizumab for prednisone-dependent asthma with sputum eosinophilia. N Engl J Med. 2009 Mar 5;360(10):985-93. doi: 10.1056/NEJMoa0805435.
• Background Reber L, Da Silva CA, Frossard N. Stem cell factor and its receptor c-Kit as targets for inflammatory diseases. Eur J Pharmacol. 2006 Mar 8;533(1-3):327-40. doi: 10.1016/j.ejphar.2005.12.067. Epub 2006 Feb 17.
• Background Yuan Q, Austen KF, Friend DS, Heidtman M, Boyce JA. Human peripheral blood eosinophils express a functional c-kit receptor for stem cell factor that stimulates very late antigen 4 (VLA-4)-mediated cell adhesion to fibronectin and vascular cell adhesion molecule 1 (VCAM-1). J Exp Med. 1997 Jul 21;186(2):313-23. doi: 10.1084/jem.186.2.313.
• Cahill KN, Katz HR, Cui J, Lai J, Kazani S, Crosby-Thompson A, Garofalo D, Castro M, Jarjour N, DiMango E, Erzurum S, Trevor JL, Shenoy K, Chinchilli VM, Wechsler ME, Laidlaw TM, Boyce JA, Israel E. KIT Inhibition by Imatinib in Patients with Severe Refractory Asthma. N Engl J Med. 2017 May 18;376(20):1911-1920. doi: 10.1056/NEJMoa1613125.

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