ArticleRespiratory research2025
The LPAR1 antagonist, PIPE-791 produces antifibrotic effects in models of lung fibrosis.
Article in Respiratory research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Discovery ofJournal of medicinal chemistry · 2026Article
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Authors and funding
14 authors.
Funding
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Abstract
backgroundIdiopathic pulmonary fibrosis (IPF) is a chronic progressive form of interstitial lung disease (ILD) characterized by significant extracellular matrix deposition, alveolar damage, and tissue remodeling. Antagonists against the G-protein coupled receptor, lysophosphatidic acid receptor 1 (LPAR1) have shown efficacy in lung fibrosis preclinically and clinically. Here, we profile PIPE-791, a small molecule, orally bioavailable LPAR1 receptor antagonist, and show its effectiveness in several lung fibrosis-related contexts.
methodsIn vitro, we used human lung fibroblasts and precision cut lung slices (PCLS) derived from donors with pulmonary fibrosis to test PIPE-791 efficacy in reducing markers of fibrosis. In vivo, we used bleomycin-induced lung fibrosis models to demonstrate PIPE-791 efficacy.
resultsIn vitro PIPE-791 reduced LPA-induced collagen expression (IC
conclusionsWe show that PIPE-791 effectively reduces fibrosis and fibrotic markers in vitro and in vivo and that it has slow association and dissociation kinetics. Taken together, our data support clinical testing of PIPE-791 in the context of fibrotic conditions such as IPF.
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