Olitigaltin

**Semantic type:** Pharmacologic Substance

**Definition:** An inhaled, small molecule inhibitor of galectin-3 (Gal-3), with potential anti-fibrotic activity. Upon administration, olitigaltin inhibits the activity of Gal-3. This may prevent the activation of alveolar macrophages and fibroblasts, and the resulting fibrosis in the lungs. Gal-3, a beta-galactoside-binding lectin, is expressed in multiple cell types including macrophages, fibroblasts, activated T-lymphocytes and epithelial cells. It is upregulated in fibrotic lung diseases including idiopathic pulmonary fibrosis (IPF) and interstitial pneumonia associated with collagen vascular disease (CVD-IP), and plays an important role in fibrosis in multiple organs. It is also often dysregulated in cancers, and may play a role in angiogenesis, cell proliferation and cell survival.

**Synonyms:** - GB 0139 - GB-0139 - GB0139 - Gal-3 Inhibitor GB0139 - Galectin-3 Inhibitor GB-0139 - OLITIGALTIN - TD 139 - TD-139 - TD139