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This version published online on January 24, 2008
Endocrinology, doi:10.1210/en.2007-1353
A more recent version of this article appeared on May 1, 2008
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Submitted on October 2, 2007
Accepted on January 17, 2008

LGD5552, an Anti-inflammatory Glucocorticoid Receptor Ligand with Reduced Side Effects in vivo

Francisco J. López, Robert J. Ardecky, Bruce Bebo, Khalid Benbatoul, Louise De Grandpre, Sha Liu, Mark D. Leibowitz, Keith Marschke, Jon Rosen, Deepa Rungta, Humberto Viveros, Wan-Ching Yen, Lin Zhi, Andres Negro-Vilar, and Jeffrey N. Miner*

Discovery Research, Ligand Pharmaceuticals, San Diego, CA, United States

* To whom correspondence should be addressed. E-mail: jminer{at}ligand.com.

Treatment of inflammation is often accomplished through the use of glucocorticoids. However, their use is limited by side effects. We have examined the activity of a novel glucocorticoid receptor ligand that binds the receptor efficiently and strongly represses inflammatory gene expression. This compound has potent anti-inflammatory activity in vivo and represses the transcription of the inflammatory cytokine Monocyte Chemoattractant protein -1 (MCP-1) and induces the anti-inflammatory cytokine Interleukin 10 (IL-10). The compound demonstrates differential gene regulation compared to commonly prescribed glucocorticoids, effectively inducing some genes and repressing others in a manner different from the glucocorticoid prednisolone. The separation between the anti-inflammatory effects of LGD5552 and the side effects commonly associated with glucocorticoid treatment suggest that this molecule differs significantly from prednisolone and other steroids and may provide a safer therapeutic for inflammatory conditions now commonly treated with steroidal glucocorticoids.


Key words: Glucocorticoid Receptor • Ligand • Selective glucocorticoid receptor modulator • non-steroidal anti-inflammatory agent







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