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CompletedNCT05680233Updated Jun 25, 2025

Safety Study of OA-235i in Subjects With Nonalcoholic Steatohepatitis

A Phase 1 interventional study of OA-235i (4 mg) and OA-235i (8 mg) in Nonalcoholic Steatohepatitis and Nonalcoholic Fatty Liver, sponsored by Oasis Pharmaceuticals, LLC. Completed at 1 site in United States. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2025-06-25.

Sponsored by Oasis Pharmaceuticals, LLC · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Jul 2024, 2 years 3 months ago, and no results have been posted to the registry.
Phase
Phase 1
Study type
Interventional
Enrollment
24
Allocation
Not applicable
Ages
18 Years to 70 Years
Sex
All
01

Study summary

This study is a Phase 1, first-in-human single-dose escalation and multiple dose study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of OA-235i in subjects with nonalcoholic steatohepatitis.

Read the detailed description

The purpose of this study is to assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of a single ascending dose (SAD) in participants with suspected or confirmed diagnosis of noncirrhotic nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH) without advanced hepatic fibrosis. This dose-escalating strategy will test the safety of OA-235i when given as a single subcutaneous dosage using up to five successive cohorts. Each cohort will have three non-randomized participants receiving the active medication. One (1) planned multiple dose (MD) randomized, placebo-controlled expansion cohort with 9 NAFLD/NASH subjects will be enrolled for a 7-day dosing regimen at a dose level to be determined from the SAD portion of the study.

02

Conditions studied

  • Nonalcoholic Steatohepatitis
  • Nonalcoholic Fatty Liver
03

In context

Non-alcoholic Fatty Liver Disease

1,474 studies on the registry are indexed under Non-alcoholic Fatty Liver Disease; 303 are open to participants now.

This study's enrollment of 24 is below the median of 60 across 1,072 interventional studies indexed under Non-alcoholic Fatty Liver Disease.

Browse Non-alcoholic Fatty Liver Disease studies →

Lead sponsor

This is the only study on the registry with Oasis Pharmaceuticals, LLC as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Main Inclusion Criteria:

  1. Male and female subjects between the ages of 18 and 70 years, inclusive, at Screening.
  2. Suspected or confirmed diagnosis of noncirrhotic NAFLD/NASH without advanced hepatic fibrosis by one of the following:

    1. Histologically with liver biopsy within 2 years prior to Screening (documentation with pathology report); or
    2. Radiologically with ≥5% steatosis measured by magnetic resonance imaging-derived proton density fat fraction (MRI-PDFF), or controlled attenuation parameter (CAP) >238 dB/m via FibroScan assessment, or presence of hepatic steatosis on abdominal ultrasound ; or
    3. Clinically with a diagnosis of Metabolic Syndrome (MetS) reflecting the presence of at least 3 of 5 factors/criteria (ie, abdominal obesity, elevated triglycerides, reduced HDL-C, elevated blood pressure, and/or elevated fasting glucose [IFG or type 2 diabetes mellitus]) as defined by the National Cholesterol Education Program's Adult Treatment Panel III (NCEP ATP III) [Grundy 2005]; and fatty liver on imaging within 1 year prior to Screening.

Key Exclusion Criteria:

  1. History or presence of cirrhosis as assessed by Investigator following review of diagnostic measures (clinical, imaging, histopathology, or laboratory).
  2. Clinical evidence of hepatic decompensation (laboratory or clinical abnormalities- ascites, variceal bleeding, etc.).
  3. History or presence of other concomitant liver disease (eg, hepatitis B \& C, alcoholic liver disease, autoimmune liver disease, primary biliary cirrhosis, primary sclerosing cholangitis, hemochromatosis, Wilson's disease, alpha-1 antitrypsin (A1AT) deficiency, bile duct obstruction, liver primary or metastatic cancer, drug-induced liver disease.
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Sequential assignment
Masking
None (open label)
Enrollment
24 participants (actual)

Study arms

  • Experimental
    OA-235i (4-40 mg)

    Single ascending dose (SAD): OA-235i (4-40 mg) administered subcutaneously (SC) once to adult subjects with suspected or confirmed diagnosis of noncirrhotic nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH) without advanced hepatic fibrosis. Multiple dose (MD): OA-235i (dose level to be determined from SAD) or placebo administered subcutaneously (SC) once daily for 7 days to adult subjects with suspected or confirmed diagnosis of noncirrhotic nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH) without advanced hepatic fibrosis.

    Drug: OA-235i (4 mg) · Drug: OA-235i (8 mg) · Drug: OA-235i (16 mg) · Drug: OA-235i (30 mg) · Drug: OA-235i (40 mg) · Drug: OA-235i or placebo

Interventions

  • DrugOA-235i (4 mg)

    3 participants will receive 4 mg as a single subcutaneous dose

    Also known as: PAR2 inhibitor

  • DrugOA-235i (8 mg)

    3 participants will receive 8 mg as a single subcutaneous dose

    Also known as: PAR2 inhibitor

  • DrugOA-235i (16 mg)

    3 participants will receive 16 mg as a single subcutaneous dose

    Also known as: PAR2 inhibitor

  • DrugOA-235i (30 mg)

    3 participants will receive 30 mg as a single subcutaneous dose

    Also known as: PAR2 inhibitor

  • DrugOA-235i (40 mg)

    3 participants will receive 40 mg as a single subcutaneous dose

    Also known as: PAR2 inhibitor

  • DrugOA-235i or placebo

    9 participants will receive a daily subcutaneous dose of OA-235i or placebo for 7 consecutive days

    Also known as: PAR2 inhibitor, placebo

06

What researchers measure

Primary outcomes

  1. Frequency and severity of Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Number of participants with treatment-emergent with adverse events (incidence and severity)

    Time frame: 30 Days

Secondary outcomes

  1. To characterize the OA-235i Pharmacokinetics (PK) by Cmax

    OA-235i PK by peak plasma concentration (Cmax)

    Time frame: 8 Days

  2. To characterize the OA-235i Pharmacokinetics (PK) by t1/2

    OA-235i PK by the terminal elimination half-life (t1/2)

    Time frame: 8 Days

  3. To characterize the OA-235i Pharmacokinetics (PK) by Tmax

    OA-235i PK by time to peak plasma concentration (Tmax)

    Time frame: 8 Days

  4. To characterize the OA-235i Pharmacokinetics (PK) by AUC

    OA-235i PK by area under the plasma concentration versus time curve (AUC)

    Time frame: 8 Days

07

Study locations

1 site
  • Mayo Clinic
    Rochester, Minnesota 55905, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 25, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05680233
Lead sponsor
Oasis Pharmaceuticals, LLC
Collaborators
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Mayo Clinic
Responsible party
Sponsor
First posted
Jan 11, 2023
Start date
Mar 6, 2023
Primary completion
Jul 2, 2024
Completion
Jul 2, 2024
Last update
Jun 25, 2025

Study contacts

Athan Kuliopulos, MD, PhD
study director · Oasis Pharmaceuticals, LLC

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jun 2025. You cannot join it, but the record below documents what was studied.

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