Actively Recruiting

Phase 1
Age: 18Years - 65Years
All Genders
Healthy Volunteers
NCT07558668

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

Led by Sitryx Therapeutics Ltd · Updated on 2026-04-30

149

Participants Needed

14

Research Sites

83 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

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.

CONDITIONS

Official Title

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

Who Can Participate

Age: 18Years - 65Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Healthy males and females aged 18 to 65 years with a BMI of 18-32 kg/m2 for Parts 1 and 2
  • Females must be of non-childbearing potential or sexually abstinent if of childbearing potential
  • No clinically significant abnormalities in lab tests, vital signs, or ECG for Parts 1 and 2
  • Males and females aged 18 to 65 years with confirmed active atopic dermatitis for Part 3
  • Body mass index (BMI) of 40 kg/m2 or less for Part 3
  • Atopic dermatitis covering at least 10% of body surface area at screening and baseline
  • Eczema Area and Severity Index (EASI) score of 16 or higher at screening and baseline
  • Validated Investigator's Global Assessment score of 3 (moderate) or higher at screening and baseline
  • Peak Pruritus Numeric Rating Scale score of 4 or higher at screening and baseline
Not Eligible

You will not qualify if you...

  • Use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements within 35 days or 5 half-lives prior to first dose for Parts 1 and 2
  • Any clinically significant medical condition or abnormal lab, ECG, or vital signs that pose undue risk for Part 3
  • Medical history or prior treatments as stated in the main study exclusion criteria for Part 3

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 14 locations

1

Sitryx Clinical Site

Arkansas City, Arkansas, United States, 72117

Actively Recruiting

2

Sitryx Clinical Site

Fremont, California, United States, 94538

Actively Recruiting

3

Sitryx Clinical Site

Plainfield, Indiana, United States, 46168

Actively Recruiting

4

Sitryx Clinical Site

Boardman, Ohio, United States, 44512

Actively Recruiting

5

Sitryx Clinical Site

Philadelphia, Pennsylvania, United States, 19103

Actively Recruiting

6

Sitryx Clinical Site

Bountiful, Utah, United States, 84010

Actively Recruiting

7

Sitryx Clinical Site

Sofia, Bulgaria, 1404

Actively Recruiting

8

Sitryx Clinical Site

Herlev, Herlev, Denmark, 2730

Not Yet Recruiting

9

Sitryx Clinical Site

Berlin, Germany, 10117

Actively Recruiting

10

Sitryx Clinical Site

Frankfurt, Germany, 60596

Actively Recruiting

11

Sitryx Clinical Site

Freiburg im Breisgau, Germany, 79106

Active, Not Recruiting

12

Sitryx Clinical Site

Dublin, Ireland, D08 NHY1

Actively Recruiting

13

Sitryx Clinical Site

Manchester, United Kingdom, M23 9QZ

Actively Recruiting

14

Sitryx Clinical Site

Merthyr Tydfil, United Kingdom, CF48 4DR

Actively Recruiting

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Research Team

S

Sitryx Therapeutics

CONTACT

S

Sitryx Therapeutics

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

3

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