Journal
PULMONARY PHARMACOLOGY & THERAPEUTICS
Volume 17, Issue 1, Pages 1-10Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pupt.2003.10.004
Keywords
cell adhesion; therapeutics; asthma
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Airway inflammation is a hallmark of respiratory diseases such as asthma and chronic obstructive pulmonary disease. Cell adhesion molecules play critical roles in the recruitment and migration of cells to sites of inflammation. Not surprisingly, these receptors have garnered the attention of the pharmaceutical industry as targets for the development of drugs to treat inflammatory and autoimmune diseases. Although several potential cell adhesion targets exist, development of compounds for pulmonary indications has centered around the selectins and the integrin VLA-4. In vitro and in vivo studies have implicated these receptors in the recruitment of inflammatory cells to the lung as well as to key cellular activation pathways. Several first generation compounds are currently in clinical development for asthma. Positive data from a phase H clinical trial using an inhaled formulation of a selectin antagonist has recently been reported. Initial results from clinical trials using first generation VLA-4 antagonists have been less promising but additional trials with more fully optimized compounds are underway. Results from these trials will provide insight into what the future holds for this exciting new class of drugs to treat pulmonary diseases. (C) 2004 Elsevier Ltd. All rights reserved.
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