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A Phase 3 Randomized, Double-Blinded, Placebo-Controlled Multicenter Trial with Open-Label Extension to Evaluate the Efficacy, Safety, and Tolerability of Efgartigimod PH20 Subcutaneous Administered by Prefilled Syringe in Adult Patients with Primary Sjögren’s Disease

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-516609-22-00
Acronym
ARGX-113-2306
Enrollment
248
Registered
2025-03-25
Start date
2025-04-15
Completion date
Unknown
Last updated
2025-12-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Sjögren’s Disease

Brief summary

Change from baseline in clinESSDAI score at week 48

Detailed description

Change from baseline in ESSDAI score at week 48, Proportion of participants with low disease activity (clinESSDAI < 5) at week 48, Proportion of responders on STAR (defined as ≥ 5 points) at week 48, Change from baseline in DiSSA joint pain item at week 48, Change from baseline in DiSSA total score at week 48, Change from baseline in DiSSA sicca domain at week 48, Proportion of participants with MCII (minimal clinically important improvement) in ESSDAI (defined as improvement of ≥ 3 points) at week 48, Change from baseline in clinESSDAI score at week 24

Interventions

Sponsors

Argenx
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Change from baseline in clinESSDAI score at week 48

Secondary

MeasureTime frame
Change from baseline in ESSDAI score at week 48, Proportion of participants with low disease activity (clinESSDAI < 5) at week 48, Proportion of responders on STAR (defined as ≥ 5 points) at week 48, Change from baseline in DiSSA joint pain item at week 48, Change from baseline in DiSSA total score at week 48, Change from baseline in DiSSA sicca domain at week 48, Proportion of participants with MCII (minimal clinically important improvement) in ESSDAI (defined as improvement of ≥ 3 points) at week 48, Change from baseline in clinESSDAI score at week 24

Countries

Austria, Belgium, Bulgaria, Estonia, France, Germany, Greece, Hungary, Ireland, Italy, Lithuania, Netherlands, Poland, Portugal, Romania, Slovakia, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026