A Study of Zasocitinib in Adults With Psoriatic Arthritis Who Have or Have Not Been Treated With Biologic Medicines
25 March 2026
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🅇 This trial is currently recruiting participants in the UK
Speak to your GP or specialist first. They can help you understand if you might be eligible and what taking part would involve.
🅇 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
PHASE3
Participants
ALL
Age Range
18 Years+
About This Trial
Psoriatic arthritis (PsA) is a chronic inflammatory disease that affects the joints and skin in people who have psoriasis (PsO).
The main aim of the study is to know how well zasocitinib (TAK-279) works in participants with active PsA based on their previous experience with specific treatments.
The participants will be treated with either zasocitinib, or placebo. Participants will be in the study for up to 60 weeks.
Who Can Join?
Inclusion Criteria: Age: 1. The participant is aged 18 years or older at the time of signing the informed consent form (ICF). Disease Characteristics: 2. The participant has a diagnosis of PsA. 3. The participant must have signs and symptoms of PsA for at least 3 months prior to screening. 4. The participant meets the Classification Criteria for Psoriatic Arthritis (CASPAR criteria). 5. The participant has active arthritis as shown by a minimum of >=3 tender joints in TJC68 and >=3 swollen joints in SJC66 at the screening and baseline (Day 1) visits. 6. The participant has at least 1 active lesion of plaque PsO >=2 cm in diameter, or any nail or nail bed changes characteristic of PsO. Medications for PsA: 7. The participant has had at least one of the following: 1. Inadequate response to a nonsteroidal anti-inflammatory drug (NSAID) (not applicable in the European Union [EU]/ European…
⚠ Always speak to your doctor before applying to any clinical trial.