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Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial.

Publication ,  Journal Article
Hirschfield, GM; Chazouillères, O; Drenth, JP; Thorburn, D; Harrison, SA; Landis, CS; Mayo, MJ; Muir, AJ; Trotter, JF; Leeming, DJ; Karsdal, MA ...
Published in: J Hepatol
March 2019

BACKGROUND & AIMS: Primary sclerosing cholangitis (PSC) is an inflammatory, cholestatic and progressively fibrotic liver disease devoid of effective medical intervention. NGM282, an engineered, non-tumorigenic FGF19 analogue, potently regulates CYP7A1-mediated bile acid homeostasis. We assessed the activity and safety of NGM282 in patients with PSC. METHODS: In this double-blind, placebo-controlled phase II trial, 62 patients who had PSC confirmed by cholangiography or biopsy and an elevated alkaline phosphatase (ALP) >1.5 × the upper limit of normal were randomly assigned 1:1:1 to receive NGM282 1 mg, 3 mg or placebo once daily for 12 weeks. The primary outcome was the change in ALP from baseline to week 12. Secondary and exploratory outcomes included changes in serum biomarkers of bile acid metabolism and fibrosis. Efficacy analysis was by intention-to-treat. RESULTS: At 12 weeks, there were no significant differences in the mean change from baseline in ALP between the NGM282 and placebo groups, and therefore, the primary endpoint was not met. However, NGM282 significantly reduced levels of 7alpha-hydroxy-4-cholesten-3-one (a marker of hepatic CYP7A1 activity, LS mean differences -6.2 ng/ml (95% CI -10.7 to -1.7; p = 0.008) and -9.4 ng/ml (-14.0 to -4.9; p <0.001) in the NGM282 1 mg and 3 mg groups, respectively, compared with placebo) and bile acids. Importantly, fibrosis biomarkers that predict transplant-free survival, including Enhanced Liver Fibrosis score and Pro-C3, were significantly improved following NGM282 treatment. Most adverse events were mild to moderate in severity, with gastrointestinal symptoms more frequent in the NGM282 treatment groups. CONCLUSIONS: In patients with PSC, NGM282 potently inhibited bile acid synthesis and decreased fibrosis markers, without significantly affecting ALP levels. LAY SUMMARY: We present for the first time, the clinical and laboratory effects of a first-in-class, engineered analogue of the endocrine hormone FGF19 in patients with primary sclerosing cholangitis (PSC). By incorporating non-invasive markers of fibrosis, beyond standard liver injury markers, we show that NGM282 impacted on fibrosis turnover and hepatic inflammation without changing alkaline phosphatase. Our findings demonstrate the complexities of using highly potent rational agents in PSC, and furthermore challenge the dogma about what the appropriate endpoints should be for trials in PSC.

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Published In

J Hepatol

DOI

EISSN

1600-0641

Publication Date

March 2019

Volume

70

Issue

3

Start / End Page

483 / 493

Location

Netherlands

Related Subject Headings

  • Treatment Outcome
  • Middle Aged
  • Male
  • Liver Function Tests
  • Liver Cirrhosis
  • Humans
  • Gastroenterology & Hepatology
  • Fibroblast Growth Factors
  • Drug Monitoring
  • Double-Blind Method
 

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Hirschfield, G. M., Chazouillères, O., Drenth, J. P., Thorburn, D., Harrison, S. A., Landis, C. S., … Beuers, U. (2019). Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial. J Hepatol, 70(3), 483–493. https://doi.org/10.1016/j.jhep.2018.10.035
Hirschfield, Gideon M., Olivier Chazouillères, Joost P. Drenth, Douglas Thorburn, Stephen A. Harrison, Charles S. Landis, Marlyn J. Mayo, et al. “Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial.J Hepatol 70, no. 3 (March 2019): 483–93. https://doi.org/10.1016/j.jhep.2018.10.035.
Hirschfield GM, Chazouillères O, Drenth JP, Thorburn D, Harrison SA, Landis CS, et al. Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial. J Hepatol. 2019 Mar;70(3):483–93.
Hirschfield, Gideon M., et al. “Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial.J Hepatol, vol. 70, no. 3, Mar. 2019, pp. 483–93. Pubmed, doi:10.1016/j.jhep.2018.10.035.
Hirschfield GM, Chazouillères O, Drenth JP, Thorburn D, Harrison SA, Landis CS, Mayo MJ, Muir AJ, Trotter JF, Leeming DJ, Karsdal MA, Jaros MJ, Ling L, Kim KH, Rossi SJ, Somaratne RM, DePaoli AM, Beuers U. Effect of NGM282, an FGF19 analogue, in primary sclerosing cholangitis: A multicenter, randomized, double-blind, placebo-controlled phase II trial. J Hepatol. 2019 Mar;70(3):483–493.
Journal cover image

Published In

J Hepatol

DOI

EISSN

1600-0641

Publication Date

March 2019

Volume

70

Issue

3

Start / End Page

483 / 493

Location

Netherlands

Related Subject Headings

  • Treatment Outcome
  • Middle Aged
  • Male
  • Liver Function Tests
  • Liver Cirrhosis
  • Humans
  • Gastroenterology & Hepatology
  • Fibroblast Growth Factors
  • Drug Monitoring
  • Double-Blind Method