For years, Canadians living with a serious liver condition known as MASH have been waiting for a breakthrough. Around ~25 per cent of Canadians suffer from liver disease, with an estimated 5.2 per cent of those progressing to a more serious form called MASH.
Up to now, there were no approved medications to treat MASH directly. Patients were often told to focus on diet and exercise while doctors simply monitored their condition, a period of “watchful waiting” that left many feeling anxious and invisible.
That changed on December 10, 2025.
In a historic milestone for Canadian healthcare, Health Canada officially approved the first-ever medication specifically for the treatment of MASH. The drug, Wegovy (semaglutide), has been authorized for adults with moderate to advanced liver scarring.
What is MASH?
MASH (Metabolic dysfunction-Associated Steatohepatitis) is a serious liver disease where excess fat in the liver causes inflammation and cell damage. You may have previously heard this called NASH; the name was recently updated to better reflect that it is a metabolic health issue.
It is a progressive form of liver disease linked to metabolic issues like obesity, type 2 diabetes, and high cholesterol. MASH is particularly dangerous because it is often “silent,” showing no symptoms until it reaches advanced stages. If left untreated, the resulting scarring, which is known as fibrosis, can lead to severe complications like cirrhosis, liver failure, or liver cancer.
A New Tool for Doctors and Patients
Wegovy is a once-weekly injection that belongs to a class of drugs called GLP-1 receptor agonists. In clinical trials, it demonstrated the ability to improve liver health and slow down the progression of scarring.
Health Canada granted the approval under a Notice of Compliance with Conditions (NOC/c). This special pathway is reserved for serious diseases with a high “unmet medical need,” allowing patients access to the medicine while long-term studies continue to confirm its benefits.
Why This Matters
For the millions of Canadians living with MASH, this news is about more than just a new prescription—it is about recognition.
For a long time, patients felt blamed or left behind because there were no pharmaceutical options. This approval validates that MASH is a serious medical condition that requires real therapeutic options, not just lifestyle advice. It reinforces a critical truth: MASH is a metabolic disease, not just a liver condition.
What Happens Next and Cost
As of December 2025, Canadian patients finally have a tangible treatment to discuss with their healthcare teams. This marks the beginning of a new era in liver care focused on:
- Earlier identification: Catching liver damage before it becomes irreversible.
- Risk stratification: Determining which patients need urgent intervention.
- Expanded options: Giving clinicians the tools they need to support their patients effectively.
- Wegovy is generally not covered by provincial public drug plans for weight management alone; provincial drug plans may evolve to cover it for treatment of MASH. Wegovy costs ~$400 per month. Coverage varies significantly by province and at this time requires specific medical criteria, and special authorization. Speak with your healthcare provider and private insurance company to get a comprehensive overview based on your case.
Health Insider FAQ
The approval is specifically for adults with non-cirrhotic MASH who have moderate to advanced liver scarring (stages F2 to F3 fibrosis). It is not currently approved for those whose liver disease has progressed to cirrhosis (stage F4).
Wegovy is a once-weekly injection under the skin. Patients typically start with a low dose (0.25 mg) and gradually increase it over several months to reach the recommended maintenance dose of 2.4 mg.
The most common side effects are digestive, including nausea, diarrhea, vomiting, and constipation. These are usually most noticeable when first starting the medication or when the dose is increased.
No. Wegovy is authorized to be used alongside a reduced-calorie diet and increased physical activity. It can support healing, but lifestyle changes remain a core part of liver care.
The current monthly cost of Wegovy is $400CDN and is not generally covered by provincial medicare for weight loss or MASH. Stay tuned to The Health Insider for updates on coverage of this important drug.
Because MASH is often “silent,” doctors may use specialized blood tests, a FibroScan (a type of ultrasound), or a liver biopsy to determine the stage of liver health.
At The Health Insider we hope the conversation around liver health in Canada has officially changed. For the first time, there is a path forward that offers more than just “watchful waiting.” It offers hope. Subscribe today to stay on top of advances in treatment for liver disease.
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