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Study to Evaluate the Efficacy and Safety of K-877-ER and CSG452 in Participants With NASH With Liver Fibrosis

Study to Evaluate the Efficacy and Safety of Combination Therapy of K-877-ER and CSG452 in Participants With Noncirrhotic Nonalcoholic Steatohepatitis (NASH) With Liver Fibrosis

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05327127
Enrollment
228
Registered
2022-04-14
Start date
2022-11-14
Completion date
2026-06-03
Last updated
2026-06-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

NASH

Brief summary

A study to investigate the use of combination therapy with two investigational products for the treatment of adult patients with Nonalcoholic steatohepatitis (NASH).

Interventions

K-877-ER tablet

DRUGCSG452

CSG452 tablet

DRUGPlacebo

Placebo tablet

Sponsors

Kowa Research Institute, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Able to understand and comply with study procedures and give written informed consent * Age ≥18 years * NAS ≥4 with a score of at least 1 in each component of the NAS (steatosis, lobular inflammation, and ballooning) at Visit 2 liver biopsy, or a historical liver biopsy performed within 24 weeks of randomization * Fibrosis stage of 1 or greater and below 4 on NASH CRN (Clinical Research Network) fibrosis staging system at Visit 2 liver biopsy, or a historical liver biopsy performed within 24 weeks of randomization * Meet all inclusion criteria outlined in clinical study protocol

Exclusion criteria

* Participation in another clinical trial involving an investigational agent within 30 days prior to signing the Informed Consent Form (ICF) for this study * Ongoing or recent consumption of Greater than moderate amounts of alcohol as defined in clinical study protocol * Evidence of other forms of chronic liver disease as defined in clinical study protocol * Does not meet any other

Design outcomes

Primary

MeasureTime frameDescription
Improvement in disease activity and no worsening of liver fibrosis (Yes/No)Baseline to Week 48The improvement in disease activity is defined as decrease in NAFLD Activity Score (NAS) ≥2 points. The worsening of fibrosis is defined as any numerical increase in the stage.

Secondary

MeasureTime frameDescription
Number of Participants With Treatment-Related Adverse Events (AE)52 WeeksTime frame is 52 weeks unless an unresolved AE is still being followed

Countries

Argentina, Brazil, Canada, Japan, Spain, United States

Contacts

STUDY_CHAIRShona Pendse, MD, MMSc

Kowa Research Institute, Inc.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 27, 2026