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New drug aims to melt liver fat in NASH patients

NCT ID NCT05842512

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests a drug called ADI-PEG 20 against a placebo in 60 adults with nonalcoholic steatohepatitis (NASH), a type of fatty liver disease. Participants receive injections over 24 weeks, and doctors measure changes in liver fat using MRI. The goal is to see if the drug can safely reduce liver fat and improve the condition.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ADI-PEG 20 (pegargiminase)
What this could lead to
If it works, this could point toward a new treatment for nonalcoholic steatohepatitis (NASH), a serious fatty liver disease.
What could go wrong
This is an early phase 2 trial with only 60 people, so results may not be conclusive. The drug may not reduce liver fat better than placebo, and side effects are possible.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2023

Expected to finish

Jan 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Males and non-lactating, pregnancy test negative females between 18 - 80 years of age with biopsy proven F1 - F4 (compensated cirrhosis, Child-Pugh A, score ≤6) NASH. Limit F1 fibrosis to ≤ 20% of total subject population. 2. Willingness to use appropriate contraceptive measures throughout study treatment and for 90 days thereafter (see Appendix A). 3. Body mass index (BMI) \> 23 kg/m2 4. Must have confirmation of ≥ 5 % liver fat content on MRI-PDFF at screening. 5. Biopsy-proven NASH confirmed by a central pathologist. Must have had a liver biopsy either during the screening period or a historical biopsy conducted within the last 6 months prior to pre-screening with fibrosis stage 1 to 4 (F score, F1-F4) and a non-alcoholic fatty liver disease (NAFLD) activity score (NAS) of ≥ 4 with at least a score of 1 in each of the following NAS components: 1. Steatosis (scored 0 to 3), 2. Ballooning degeneration (scored 0 to 2), and 3. Lobular inflammation (scored 0 to 3). 6. Must have no evidence of worsening of ALT and AST (within 50%) measurements within 2 months prior to screening (-8 weeks) visits. 7. Screening laboratory parameters, as determined by the central laboratory: 1. Estimated glomerular filtration rate (eGFR) ≥ 60 mL/min, as calculated by the Cockcroft- Gault equation; 2. HbA1c ≤ 9.5% (or serum fructosamine ≤ 381 μmol if HbA1c is unable to be resulted); 3. Hemoglobin ≥ 11 g/dL; 4. INR ≤ 1.3, unless due to therapeutic anticoagulation; 5. Direct bilirubin ≤ 0.5 mg/dL; 6. Total bilirubin ≤ 1.3 x upper limit of normal (ULN), unless due to an alternate etiology such as Gilbert's syndrome or hemolytic anemia; 7. Creatinine kinase \< 3 x ULN; 8. Platelet count ≥ 150,000/μL; 9. Serum triglyceride level ≤ 500 mg/dL; 10. ALT \< 6 x ULN; 11. AST \< 6 x ULN; 12. ALP \< 2 x ULN. 8. FibroScan® measurement \> 7.0 kPa and \< 20.0 kPa. 9. Subjects on non-insulin dependent diabetic, weight loss, or lipid-modifying medication(s) must be on stable dose(s) for at least 3 months prior to the diagnostic liver biopsy through randomization. 10. Subjects on vitamin E and pioglitazone must maintain a stable dosage before the diagnostic liver biopsy and during the study period. Exclusion Criteria: 1. Weight gain or loss \> 5% in the 3 months prior to randomization or \> 10% in the 6 months prior to screening. 2. Type 1 and insulin-dependent Type 2 diabetes. 3. Poorly controlled hypertension (blood pressure \[BP\] \> 160/100 mmHg). 4. Prior history of decompensated liver disease including ascites, hepatic encephalopathy (HE), or variceal bleeding. 5. Chronic hepatitis B virus (HBV) infection (hepatitis B surface antigen \[HBsAg\] positive. 6. Chronic hepatitis C virus (HCV) infection (HCV antibody \[Ab\] and HCV ribonucleic acid \[RNA\] positive). Subjects cured of HCV infection less than 1 year prior (based on date of RNA polymerase chain reaction \[PCR\] negative confirmation following conclusion of treatment) to the screening visit are not eligible. 7. Prior or planned (during the study period) bariatric surgery (e.g., gastroplasty, roux-en-Y gastric bypass), surgery reversal or removal of intragastric balloon \> 2 years prior to enrollment would be eligible. 8. Other causes of liver disease based on medical history and/or centralized review of liver histology, including but not limited to alcoholic liver disease, autoimmune disorders (e.g., primary biliary cholangitis \[PBC\], primary sclerosing cholangitis \[PSC\], autoimmune hepatitis), drug-induced hepatotoxicity, Wilson disease, clinically significant iron overload, or alpha-1-antitrypsin deficiency requiring treatment. 9. History of liver transplantation. 10. Subjects with primary cancer, including co-existent second malignancy, with the exception of primary solid tumor with no known active disease present in the opinion of the Investigator which will not affect subject outcome in the setting of current diagnosis. 11. Alcohol intake above an average limit of 2 drinks per day for women and 3 drinks per day for men. An alcoholic drink is defined as 12 ounces of regular beer, which is usually about 5% alcohol, 5 ounces of wine, which is typically about 12% alcohol, and 1.5 ounces of distilled spirits, which is about 40% alcohol. 12. Human immunodeficiency virus (HIV) infection. 13. Unstable cardiovascular disease in the 6 months prior to screening. 14. Life expectancy less than 2 years. 15. Use of any investigational medication within 30 days or within 5 half-lives of the investigational medication, whichever is longer, prior to screening and throughout the study is prohibited. 16. Subjects with a history of (12 months prior to baseline) or current use of prescription drugs associated with liver steatosis (e.g., methotrexate, amiodarone, high-dose estrogen, tamoxifen, systemic steroids, anabolic steroids, valproic acid) should be excluded. However, subjects currently using silymarin should maintain their current dosage throughout the trial period. 17. Contraindication of magnetic resonance imaging. These include but are not limited to devices or metal foreign bodies, such as Pacemaker, defibrillator or wires other than sternal wires, metallic foreign body in the eye, "triggerfish" contact lens, gastric reflux device, and insulin pumps. 18. MELD score \>12 19. Subjects with esophageal or gastric varices with recent bleeding episodes (within 1 year).

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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.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    10 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Chang Gung Medical Foundation-Kaohsiung (CGMF-KS)

    RECRUITING

    Kaohsiung, Taiwan, 833, Taiwan

  • Chang Gung Medical Foundation-Keelung (CGMF-KL)

    RECRUITING

    Keelung, Taiwan, 204, Taiwan

  • Chang Gung Medical Foundation-Linkou (CGMF-LK)

    RECRUITING

    Taoyuan, Taiwan, 333, Taiwan

  • Ditmanson Medical Foundation Chiayi Christian Hospital;Chiayi Christian Hospital (CYCH)

    RECRUITING

    Chiayi City, Taiwan, 600566, Taiwan

  • E-Da Hospital (EDH)

    RECRUITING

    Kaohsiung, Taiwan, 824, Taiwan

  • Fu Jen Catholic University Hospital (FJCUH)

    RECRUITING

    Taipei, Taiwan, 243, Taiwan

  • Kaohsiung Medical University Chung-Ho Memorial Hospital(KMUH)

    RECRUITING

    Kaohsiung, Taiwan, 807, Taiwan

  • National Cheng Kung University Hospital (NCKUH)

    RECRUITING

    Tainan, Taiwan, 704, Taiwan

  • National Taiwan University Hospital (NTUH)

    RECRUITING

    Taipei, Taiwan, 100229, Taiwan

  • Taipei Veterans General Hospital (TPVGH)

    RECRUITING

    Taipei, Taiwan, 112201, Taiwan

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