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Clinical Trial ยท PHASE1 ยท Recruiting

A 3-part Study of SYX-5219 in Healthy Volunteers and Participants With Atopic Dermatitis

16 October 2026 NCT07558668 ClinicalTrials.gov โ†—
✅ This trial is currently recruiting volunteers
If you think you might be eligible, speak to your GP or specialist about this trial before applying.
Status
Recruiting
Phase
PHASE1
Participants
ALL
Age Range
18 Years โ€“ 65 Years

About This Trial

The purpose of this study is to evaluate the study drug, SYX-5219, in a multi-part First-in-Human (FiH) study to be conducted in healthy volunteers and participants with Atopic Dermatitis (AD). The objectives of this study are to determine the safety, tolerability and levels of SYX-5219 in the blood and urine when SYX-5219 is given in each part of the study (SAD, MAD, Food Effect and Participants with AD).

The study will be split into up to 3 parts as follows:

* Part 1 – Single Ascending Dose (SAD) and Food Effect in healthy volunteers
* Part 2 – Multiple Ascending Dose (MAD) in healthy volunteers
* Part 3 – Multiple Dose in Participants with AD – enrolling up to 45 males and females with a confirmed diagnosis of AD of at least 6 months, evaluating multiple dose administrations of SYX-5219 or placebo daily over a period of 42 days.

Who Can Join?

Inclusion Criteria: Parts 1 & 2 * Healthy male and female participant, between โ‰ฅ 18 to โ‰ค 65 years of age, inclusive, with a BMI of body mass index (BMI) of 18-32 kg/m2. * Female participant of non-childbearing potential or female of childbearing potential that is sexually abstinent. * No clinically significant abnormalities in laboratory, vital signs or ECG measurements. Part 3 * Male and female participants with clinically confirmed diagnosis of active AD, between โ‰ฅ 18 to โ‰ค 65 years of age, inclusive, with a BMI of body mass index (BMI) of โ‰ค40 kg/m2. * Meet minimum AD entry criteria; * AD covering โ‰ฅ10% of the body surface area (BSA) at screening and baseline. * Eczema Area and Severity Index (EASI) score โ‰ฅ16 at screening and baseline. * Validated Investigator's Global Assessment (vIGA) score of โ‰ฅ 3 (moderate) at screening and baseline. * Peak Pruritus NRS score of โ‰ฅ…

⚠ Always speak to your doctor before applying to any clinical trial.

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