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ForumsMASH / Liver DiseaseGLP-1 hepatoprotection — need advice

GLP-1 hepatoprotection — need advice

GraceAZ_72 Fri, Apr 24, 2026 at 2:33 AM 9 replies 558 viewsPage 1 of 2
GraceAZ_72
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Apr 24, 2026 at 2:33 AM#1

Collecting this in one place because it comes up every few weeks and the answer is always assembled from scratch. It is about liver and MASH, and it is deliberately narrow — everything I am not confident about is marked as such.

What is actually established

The liver data is among the strongest non-weight findings in the class. The semaglutide MASH programme reported a large advantage over placebo on MASH resolution, with a substantial minority also achieving fibrosis improvement — and fibrosis is the endpoint that predicts outcomes. Mechanistically it is reduced hepatic lipogenesis, increased fatty-acid oxidation, less hepatic inflammation, and possibly a direct effect on stellate-cell activation.

The condition it depends on

ALT falling is not the same as fibrosis improving. Enzymes are a crude proxy; FIB-4 or elastography is what tells you about the thing that matters.

The practical version

With resmetirom now available for MASH, combination approaches are being explored, so the standard of care in this area is moving faster than most threads assume.

What I am not sure about

What I am trying to establish is whether normalised enzymes tell you anything about fibrosis, and what the right follow-up measurement is. Tell me what I have not thought of.

— GraceAZ_72 · corrections welcome and will be edited into this post with credit
49 19MariaRD, AussieAnna, BethLabQueen and 46 others
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julia.endo
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Apr 24, 2026 at 2:39 AM#2
GraceAZ_72 said:
The liver data is among the strongest non-weight findings in the class.

ATTAIN trial (survodutide) context for liver and MASH: survodutide, a GLP-1/glucagon dual agonist, showed -18.7% body weight at 46 weeks in the Phase 3 ATTAIN trial. NASH resolution was achieved in ~60% of patients[1].

This is relevant to liver and MASH because survodutide's glucagon agonism specifically targets hepatic lipid metabolism — making it potentially the best-in-class agent for NASH/MAFLD comorbid with obesity.

References:
[1] Sanyal AJ, et al. N Engl J Med. 2024.
Last edited: Apr 24, 2026 at 8:39 AM
48 18mark_tokyo, hans_munich, jason_sac26 and 45 others
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KevinCompounds
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Apr 24, 2026 at 2:45 AM#3
GraceAZ_72 said:
The liver data is among the strongest non-weight findings in the class.

NASH/MAFLD therapeutic landscape and liver and MASH: GLP-1 agonists are emerging as potential first-line NASH therapy. The Phase 2b data for semaglutide showed 59% NASH resolution (vs 17% placebo) with 43% achieving fibrosis improvement[1].

Mechanism: GLP-1R activation reduces hepatic lipogenesis, increases fatty acid oxidation, reduces hepatic inflammation, and may directly reduce hepatic stellate cell activation (fibrosis pathway).

With resmetirom (thyroid hormone receptor agonist) recently approved for NASH, the field is evolving rapidly. Combination approaches (GLP-1 + resmetirom) are being explored.

References:
[1] Newsome PN, et al. N Engl J Med. 2021;384(12):1113-1124.
Last edited: Apr 24, 2026 at 4:45 AM
47 17MikeKY_noInsulin, Dr.RaviCardio, jennifer_SEA and 44 others
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Dr.NateNeph
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Apr 24, 2026 at 2:51 AM#4
KevinCompounds said:
NASH/MAFLD therapeutic landscape and liver and MASH: GLP-1 agonists are emerging as potential first-line NASH therapy.

Liver enzyme update related to liver and MASH: I had mildly elevated ALT/AST at baseline (likely NAFLD). After 6 months on GLP-1 therapy:

MarkerBaselineCurrentNormal Range
ALT59267-56 U/L
AST522010-40 U/L
GGT89289-48 U/L
ALP998144-147 U/L

FibroScan also improved — liver stiffness from 8.5 kPa to 5.2 kPa. The evidence for GLP-1 agonists in NAFLD/NASH is very promising.

46 16B12Beth, RickReta_CO, PharmHunterJen and 43 others
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A1cHero_PHX
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Apr 24, 2026 at 3:23 AM#5
julia.endo said:
ATTAIN trial (survodutide) context for liver and MASH: survodutide, a GLP-1/glucagon dual agonist, showed -18.7% body weight at 46 weeks in the Phase…

Adding a me-too, because a thread of one person's experience is not much use.

Last edited: Apr 24, 2026 at 8:23 AM
45 15jason_sac26, chris_chi24, tampaLisa73 and 42 others
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