Safety and how the drug behaves in adults with moderate to severe liver impairment
Official title: A Phase 1, Open-Label Study to Assess the Safety and Pharmacokinetics of INCB123667 When Administered Orally to Adult Participants With Moderate or Severe Hepatic Impairment
Run by Incyte Corporation · NCT07559474 · Data updated 2026-11-12
This study tests the safety and how INCB123667 moves through the body when taken by adults with moderate to severe liver impairment.
Quick facts
| Phase | Phase 1 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 80 Years |
| Sex | All |
| Enrollment | 16 (estimated) |
| Sponsor | Incyte Corporation Industry-sponsored |
| Locations | 4 sites (Chandler, Arizona and 3 other locations) |
| Status | Recruiting |
| Started | May 27, 2026 |
| Main results expected | April 13, 2027 |
| Study ends | April 13, 2027 |
| Registry record updated | June 16, 2026 |
| Trial ID | NCT07559474 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18–80 with moderate or severe hepatic impairment (CP score) and no conflicting medical conditions that would affect safety or pharmacokinetic assessments.
✕Probably not a fit
People without hepatic impairment or those with conditions that disqualify participation may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a Phase 1 interventional study evaluating oral INCB123667 in adults with hepatic impairment. The main focus is to characterize safety and pharmacokinetics, including how the drug is absorbed, distributed, metabolized, and excreted in this population. Eligible participants are 18 to 80 years old with documented moderate or severe hepatic impairment and a BMI between 18.0 and 43.0 kg/m2. The study is conducted at several U.S. sites under Incyte Corporation in collaboration with local liver health centers.
Why it matters
Potential benefit: If successful, participants could contribute to understanding appropriate dosing and safety for people with liver impairment.
How similar studies have gone: Previous phase 1 studies of similar compounds provide benchmarks for safety and PK in hepatic impairment, supporting the rationale for this study.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Ability to comprehend and willingness to sign a written ICF for the study. * Aged 18 to 80 years, inclusive, at the time of signing the ICF. * Moderate or severe hepatic impairment based on CP score. * Medical findings consistent with the degree of hepatic dysfunction, determined by medical history, physical examination, vital sign measurements, 12-lead ECGs, and clinical laboratory determinations at screening or check-in (as applicable). Participants with abnormal findings considered not clinically significant by the medical monitor or investigator are eligible. * Body mass index of 18.0 to 43.0 kg/m2 (inclusive). * Willingness to avoid pregnancy or fathering children. Exclusion Criteria: * Participants who have a current, functioning organ transplant or are on the national transplant list and expected to receive a transplant within 3 months. * Tobacco or nicotine-containing product use of \> 10 cigarettes per day within 1 month before screening. * Participants who had a change in disease status within 30 days before screening, as documented by the participant's medical history, that is deemed clinically significant by the investigator. * Participants who have a history of paracentesis within 2 months prior to check-in. * Participants who required new medication or an increase in dose for hepatic encephalopathy within 3 months prior to check-in. * Participants who have a history of unstable diabetes mellitus (as evidenced by hemoglobin A1c ≥ 10.0%). Medications for treatment of diabetes mellitus must be reviewed and approved by the investigator and medical monitor. Participants who have a portal systemic shunt. Up to 3 participants with transjugular intrahepatic portosystemic shunt may be included. * Participants who had esophageal banding within 3 months prior to check-in or required any other treatment for gastrointestinal bleeding within 6 months prior to check-in. Other protocol-defined Inclusion/Exclusion Criteria may apply.
Where it's running
-
Arizona Clinical Trials - the Institute For Liver Health
Chandler, Arizona, United States Recruiting -
Orlando Clinical Research Center
Orlando, Florida, United States Recruiting -
Texas Liver Institute - American Research Corporation
San Antonio, Texas, United States Recruiting -
Pinnacle Clinical Research
San Antonio, Texas, United States Recruiting
Study contacts
- Study coordinator: Incyte Corporation Call Center (US)
- Email: medinfo@incyte.com
- Phone: 1.855.463.3463
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.