Phase 3 Psoriatic Arthritis Trial, Recruiting NCT04804553 Sponsor: Amgen Condition: Psoriatic Arthritis
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Phase 3 Psoriatic Arthritis Trial, Recruiting

NCT04804553
Recruiting Phase 3

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • Children and teenagers aged 5 to under 18 years old at the time of joining the trial.
  • People who have been diagnosed with juvenile psoriatic arthritis (a type of childhood arthritis linked to the skin condition psoriasis) for at least 6 months, confirmed using specific international classification guidelines.
  • The diagnosis must fit one of these patterns: joint inflammation plus psoriasis, OR joint inflammation plus at least 2 of the following — swollen fingers or toes (dactylitis), pitting or separation of the nails, or a parent or sibling with psoriasis.
  • People with at least 3 actively inflamed joints at the time of joining.
  • People who have not responded well enough to, or could not tolerate, at least one arthritis medication (such as methotrexate or a biologic drug) taken for at least 2 months.

Who may not be able to join:

  • Males who carry a specific genetic marker (HLA-B27 positive) and whose joint inflammation began after age 6.
  • People who have, or whose parent or sibling has, certain related conditions such as ankylosing spondylitis, inflammatory bowel disease with joint involvement, Reiter's syndrome, or recurring eye inflammation (acute anterior uveitis).
  • People who have tested positive for a specific antibody called IgM rheumatoid factor on at least two separate occasions, at least 3 months apart.
  • People who have a form of childhood arthritis that affects the whole body (systemic juvenile idiopathic arthritis).
  • People with other autoimmune or inflammatory conditions affecting the joints or connective tissue, such as lupus, scleroderma, polymyositis, mixed connective tissue disease, or fibromyalgia.
  • People who have had, or currently have, other types of inflammatory joint disease unrelated to psoriatic arthritis, such as gout, rheumatoid arthritis, reactive arthritis, ankylosing spondylitis, or Lyme disease.

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 28 July 2026
Phase 3: approximately ~65% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: MD, Amgen

Phone: 866-572-6436

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 3
Sponsor
Registry
ClinicalTrials.gov
Start date
17 March 2022
Est. completion
21 March 2028

Where this trial is recruiting

🇦🇹 Austria 🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇬🇷 Greece 🇮🇹 Italy 🇱🇹 Lithuania 🇳🇱 Netherlands 🇵🇱 Poland 🇵🇹 Portugal 🇷🇴 Romania 🇿🇦 South Africa 🇪🇸 Spain Turkey (Türkiye) 🇬🇧 United Kingdom

Primary endpoints

Number of Participants who Achieve American College of Rheumatology Pediatric (ACR) Pedi 30 Response at Week 16

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov