Not medical advice. This website is not medical advice, a diagnosis, a match to a trial, or a recommendation to join a study. Listings are plain-English rewrites of public ClinicalTrials.gov records. Whether a site is still enrolling, and whether you qualify, can only be confirmed by the study team and your clinician. Source registry: ClinicalTrials.gov. Editorial rules: methodology.
RecruitingPhase 2interventionalRules rewrite

Phase 2: testing ALN-HSD for Metabolic Dysfunction-Associated SteatoHepatitis (MASH)

This study is researching an investigational drug, ALN-HSD called "study drug". This study is focused on participants who are known to have Metabolic dysfunction-Associated SteatoHepatitis (MASH).

Official registry: https://clinicaltrials.gov/study/NCT05519475 · Regeneron Pharmaceuticals · enrollment listed as 120

What this phase means

Phase 2: researchers already know a roughly safe dose (from phase 1). This stage asks whether the treatment actually helps the condition, and watches side effects more closely.

Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

What the registry says happens

If you join, the listed intervention(s) are ALN-HSD, or Placebo. The registry lists allocation as randomized. This study is researching an investigational drug, ALN-HSD called "study drug".

They plan to enroll about 120 people at 71 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.

Official title (unrewritten)

A Randomized, Double-Blind, Placebo-Controlled, Phase 2 Study of siRNA Gene Silencing for the Treatment of Metabolic Dysfunction-Associated Steatohepatitis (MASH) in Participants With Genetic Risk Factors

Interventions: ALN-HSD, Placebo

Primary outcome (registry wording): Change in quantitative liver Fibrosis (qFibrosis)

Who it is for (from inclusion criteria)

  • Ages 18 Years to 75 Years
  • Adult male or female ≥18 years (or country's legal age of adulthood)
  • A diagnosis of MASH with Fibrosis (F) stage 2 or 3, according to the NASH-CRN
  • NAS score ≥3, as defined in the protocol
  • Meets genotype criteria for study enrollment, as defined in the protocol
  • Has a protocol defined FibroScan®-AST (FAST) score at screening or within approximately 12 weeks of screening

Public study contact (from the registry)

Clinical Trials Administrator

844-734-6643

clinicaltrials@regeneron.com

Published on ClinicalTrials.gov. Contact them as a possible participant. They decide eligibility.

Sites listed on ClinicalTrials.gov

71 listed

+ 10 sites outside the US on the same record

FAQ about this NCT record

Is NCT05519475 still recruiting?

The sponsor posted status “Recruiting” on ClinicalTrials.gov at last ingest. Sites can pause independently. Confirm with the official record and the listed contact.

What phase is NCT05519475?

Phase 2. Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

Can PlainTrials tell me if I qualify for NCT05519475?

No. The inclusion and exclusion lists on this page are readable extracts of the public eligibility block. Only the study team can screen you.

How to read a ClinicalTrials.gov record · Questions to ask the coordinator · Glossary