Combination Therapy of Seladelpar and Liraglutide Attenuates Obesity… · 2019-06-24 ·...
Transcript of Combination Therapy of Seladelpar and Liraglutide Attenuates Obesity… · 2019-06-24 ·...
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Combination Therapy of Seladelpar and Liraglutide Attenuates Obesity, Hepatic Steatosis and Fibrosis in a Diet-induced and Biopsy-confirmed Mouse Model of NASH
NASH-TAG ConferencePark City, UtahJanuary 4, 2019
Yun-Jung Choi, Jiangao Song, Jeff D. Johnson, Charles McWherter
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1.8 Å RMSD X-ray Crystal StructureSeladelpar - PPARδ Ligand Binding Domain
SeladelparUniquely able to harness PPARδ mechanisms
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Oral, once-daily PPARδ agonist Potent - EC50 = 2 nM Selective 630-Fold Selective Over PPARα Inactive Against PPARγClinical experience with exposures over a yearClinical activity in PBC at 5 and 10 mg
Currently Enrolling ENHANCE (Global Phase 3) Study in PBC
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Seladelpar for NASHPotential role for PPARδ agonism in the treatment of NASH
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Liraglutide for NASHPotential role for GLP-1 analog in the treatment of NASH
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Amylin Diet 40% Fat: 20% Fructose: 2% Cholesterol
Diet-Induced Biopsy-Confirmed NASH in Obese MiceStudy Design
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† n = 11 to 12/group
Week -43 Week -3 Week -1 Day 1 Week 12Steatosis (H&E) ≥ 2Fibrosis (PSR) ≥ 1
Liver HistologyInduce NASH Liver Biopsy Randomization & Biochemistry
Treatment Groups, male C57BL/6J mice†
1. NASH Vehicle2. Liraglutide - 0.2 mg/kg, SC, BID3. Seladelpar - 10 mg/kg, PO, QD4. Liraglutide + Seladelpar – same as mono
See Tøbøl et al., World Journal of Gastroenterology (2018) 24: 179-194 for a description of the model
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Seladelpar and Liraglutide Reduce Body Weight
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Seladelpar and Liraglutide Decrease Plasma Triglycerides and Cholesterol
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Seladelpar and Liraglutide Decrease ALT and AST
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Seladelpar and Liraglutide Improve Liver Histology
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NASH Vehicle Liraglutide
Seladelpar Liraglutide + Seladelpar
H & E Stain
Treatment results in significant areas of improved architecture
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Seladelpar and Liraglutide Improve NAFLD Activity ScoreMagnitude of effect: Ballooning ~ Steatosis > Inflammation
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Seladelpar and Liraglutide Reduce Hepatic Steatosis
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Seladelpar and Liraglutide Reduce Hepatic Triglycerides and Cholesterol
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Seladelpar Reduces Liver HydroxyprolineLiraglutide has minimal effect
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Seladelpar and Liraglutide Reduced Fibrosis-Associated Staining
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Seladelpar and Liraglutide Decreased Fibrosis Marker Transcripts Using RNAseq Analysis
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Seladelpar and Liraglutide Decreased Liver Inflammation Transcripts Using RNAseq Analysis
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Seladelpar Increases Fatty Acid Oxidation TranscriptsRNAseq analysis
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Summary of Seladelpar and Liraglutide ComboAttenuated obesity, hepatic steatosis and fibrosis
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Seladelpar Reduced weight, improved lipids, inflammatory markers, liver fat, NASH pathology and fibrosis
Liraglutide Similar pharmacology except without the effects on fatty acid oxidation and fibrosis
Seladelpar + Liraglutide Enhanced benefits: Body weight, plasma TG, ALT/AST, NAS, liver fat/TGs Seladelpar effects retained on fatty acid oxidation, inflammation, and fibrosis with co-treatment
Conclusion Seladelpar offers broad pharmacology which is enhanced with a long-acting GLP-1 analog Metabolic, inflammation and fibrosis benefits of combination support their clinical evaluation
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Disclosures and Acknowledgements
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The authors are compensated employees of CymaBay Therapeutics, Inc.
We gratefully acknowledge our CymaBay colleagues for critical discussions.
We gratefully acknowledge the contribution of the Gubra Study Team in Hørsholm, Denmark. They conducted the in-life study and assessments presented here as part of a larger blinded study.