Could a common cholesterol drug help fight a rare liver disease?
NCT ID NCT04133792
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This Phase 3 trial tests whether taking 40 mg of simvastatin daily for 5 years can improve outcomes for people with primary sclerosing cholangitis (PSC), a rare liver disease. About 560 patients will receive either simvastatin or a placebo. Researchers will track survival, need for liver transplant, bleeding, and cancer rates.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- simvastatin
- What this could lead to
- If it works, this could provide a simple, low-cost way to slow liver disease progression and reduce the need for transplants in PSC patients.
- What could go wrong
- This is a large Phase 3 trial, but simvastatin is already widely used for cholesterol—its benefit for PSC is unproven. The study may show no significant improvement in survival or complications.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
-
571 people
The number who actually took part.
- Started
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Oct 2020
- Expected to finish
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Mar 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * PSC verified by cholangiography or liver biopsy, with or without irritable bowel disease (IBD). * Men and women between ≥18 years and ≤75 years. * Written informed consent. * A magnetic resonance imaging (MRI) or Magnetic resonance cholangiopancreatography (MRCP) performed within 4 months prior to randomization. * Colonoscopy performed within 24 months prior to randomization, if known IBD. * For women of childbearing potential efficient contraceptive. Exclusion Criteria: * Subjects on waiting list for transplantation * Transplanted subjects * Previous variceal bleeding * Previous hepatobiliary malignancy * Subjects with secondary sclerosing cholangitis * Intake of any type of statins within 3 months prior to randmization * Known intolerance to simvastatin. * Pregnancy or breastfeeding.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Akademiska sjukhuset
Uppsala, 751 85, Sweden
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Danderyds sjukhus
Stockholm, 182 57, Sweden
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Karlstads centralsjukhus
Karlstad, 652 30, Sweden
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Karolinska University Hospital
Stockholm, 141 57, Sweden
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Karolinska University Hospital Solna
Stockholm, 171 64, Sweden
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Norrlands Universitetssjukhus
Umeå, Västerbotten County, 907 37, Sweden
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Sahlgrenska Universitetssjukhuset
Gothenburg, Västra Götaland County, 413 45, Sweden
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Sahlgrenska Universitetssjukhuset Östra
Gothenburg, 41685, Sweden
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Skaraborgs sjukhus
Lidköping, Sweden
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Skåne Universitetssjukhus
Malmö, Skåne County, 222 42, Sweden
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Universitetssjukhuset i Linköping
Linköping, Östergötland County, 581 85, Sweden
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Örebro Universitetssjukhus
Örebro, 701 85, Sweden
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