Semaglutide, the active ingredient in Ozempic and Wegovy, may help treat and even reverse MASH liver disease, according to a global Phase 3 trial led by Virginia Commonwealth University.
An international study reveals
that the drug can reverse liver damage in patients.
An international
study led by researchers from Virginia Commonwealth University (VCU) and King’s
College London suggests that semaglutide, the active substance found in
medications like Ozempic and Wegovy, can halt and potentially reverse a common
liver disease affecting millions globally.
The research team was co-led by Arun Sanyal, M.D.,
director of VCU’s Stravitz-Sanyal Institute for Liver Disease and Metabolic
Health, and Philip Newsome, Ph.D., from King’s College London. Their work
examines the potential of semaglutide as a treatment for metabolic
dysfunction-associated steatohepatitis (MASH). Results from their Phase 3
clinical trial were recently published in the New England Journal of Medicine.
“The results from this landmark study across 37
countries provide strong evidence that semaglutide can help patients with MASH
by not only improving liver health, but also addressing the underlying
metabolic issues that contribute to the disease,” said Sanyal, who is the lead
author on the new paper and is also a professor of medicine at the VCU School
of Medicine.
An estimated 15 million Americans have the liver
disease MASH, which occurs when fat builds up in the liver, leading to
inflammation and scarring. Currently, there is only one
FDA-approved treatment available, increasing the urgency for
effective therapeutic options.
“If approved, this could offer an additional
therapeutic option for patients with MASH and fibrosis,” Sanyal added. “This is
crucial, given the strong link between MASH and cardiovascular, metabolic, and
renal conditions, where semaglutide has already shown established health
benefits.”
Understanding
the ESSENCE Trial
MASH is closely linked to metabolic risk factors like
obesity, type 2 diabetes, and high blood pressure. Over time, MASH can lead to
liver fibrosis, cirrhosis, and even liver failure that requires a liver
transplant, making it a major public health concern.
Of the 800 participants in the “Effect of Semaglutide in Subjects with Non-cirrhotic Non-alcoholic Steatohepatitis” (ESSENCE) trial, 534 were assigned to take semaglutide and 266 were in a placebo group:
About 63% semaglutide users experienced a reduction in liver inflammation without worsening scarring, compared to only 34% of the placebo group.
Almost 37% of those on semaglutide showed less liver scarring, compared to nearly 23% in the placebo group.
About a third of semaglutide users achieved both inflammation reduction and scarring improvement, more than double compared to those taking the placebo.
The drug also helped participants with weight loss, improved liver markers, and boosted overall heart health – with no major differences in serious side effects compared to those not taking it.
Aiming to
Reverse Liver Damage
The ultimate goal for researchers in the ESSENCE trial
is to find the right balance of semaglutide to resolve the damage caused by the
fat buildup in the liver (steatohepatitis) while at the same time improve the
scarring (fibrosis). Both are crucial for improving liver health in patients
with MASH.
Semaglutide is a GLP-1 receptor agonist medication.
Wegovy and Ozempic are brand names for semaglutide and are approved to promote
weight loss, improve blood sugar control, and enhance metabolic health. Sanyal
and other researchers are studying several GLP-1 receptor agonists and related
drugs as potential treatments that might help halt, improve, or even reverse
the damage caused by MASH.
“The ESSENCE data may represent key findings for
patients in the treatment of MASH, which is estimated to affect about one in 20
adults in the U.S.,” Sanyal said. “By treating both liver disease and its
metabolic causes, semaglutide offers a promising new approach for millions of
patients.”
Looking Ahead:
Long-Term Study and Regulatory Approval
The clinical
trial involved participants with moderate to advanced liver scarring who were treated
for 72 weeks with either 2.4 milligrams weekly injections of semaglutide or a
placebo. Most participants tolerated semaglutide well. Nearly 90% of
participants remained on the medication after 72 weeks. The most common side
effects were mild digestive issues, such as nausea.
In the second part of this clinical trial, researchers
led by Sanyal will follow nearly 1,200 participants from 37 countries for up to
five years to gather data on semaglutide’s impact on long-term liver
complications.
Semaglutide, manufactured by Novo Nordisk, belongs to
a class of drugs called GLP-1 receptor agonists. Ozempic and Wegovy are brand
names for semaglutide and are approved by the U.S. Food and Drug Administration
for different conditions.
Semaglutide is not approved to treat MASH in the U.S. Pharmaceutical maker Novo Nordisk has said it plans to seek regulatory approval for its use in treating liver disease sometime this year.
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