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ARGX-113-2211: Open-Label Extension Study to Evaluate the Safety of Efgartigimod in Adult Patients with primary Sjögren’s Syndrome (pSS) who complete qualifying efgartigimod pSS studies

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-503915-14-00
Acronym
ARGX-113-2211
Enrollment
27
Registered
2023-09-25
Start date
2023-11-15
Completion date
2025-02-03
Last updated
2025-01-13

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

Conditions

Primary Sjögren's Syndrome

Brief summary

Incidence and severity of AEs and AESIs, incidence SAEs, changes in laboratory test results, vital signs, and ECG results

Detailed description

Proportion of CRESS responders on ≥ 3 of 5 items at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in ESSDAI: improvement of ≥ 3 points in ESSDAI score at weeks 24 and 48, Proportion of participants with low disease activity: ESSDAI score of < 5 at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in clinESSDAI: improvement of ≥ 3 points in clinESSDAI score at weeks 24 and 48, Proportion of participants with low disease activity: clinESSDAI score of < 5 at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in ESSPRI: decrease of ≥ 1 point or ≥ 15% at weeks 24 and 48, Change from baseline in ESSDAI score at weeks 24 and 48, Change from baseline in clinESSDAI score at weeks 24 and 48, Change from baseline in ESSPRI score at weeks 24 and 48, Proportion of STAR responders (score of ≥ 5) at weeks 24 and 48 when compared to baseline, Values, changes from baseline, and percent reduction from baseline in total IgG levels in serum over the 48 week treatment period, Values, changes from baseline, and percent reduction from baseline in autoantibodies in serum over the 48-week treatment period: Anti-Ro/SS A; Anti-La/SS B, Efgartigimod serum concentrations over the 48-week treatment period, Incidence and prevalence of ADA against efgartigimod over the 48-week treatment period

Interventions

Sponsors

Argenx
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
Incidence and severity of AEs and AESIs, incidence SAEs, changes in laboratory test results, vital signs, and ECG results

Secondary

MeasureTime frame
Proportion of CRESS responders on ≥ 3 of 5 items at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in ESSDAI: improvement of ≥ 3 points in ESSDAI score at weeks 24 and 48, Proportion of participants with low disease activity: ESSDAI score of < 5 at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in clinESSDAI: improvement of ≥ 3 points in clinESSDAI score at weeks 24 and 48, Proportion of participants with low disease activity: clinESSDAI score of < 5 at weeks 24 and 48, Proportion of participants with minimal clinically important improvement from baseline in ESSPRI: decrease of ≥ 1 point or ≥ 15% at weeks 24 and 48, Change from baseline in ESSDAI score at weeks 24 and 48, Change from baseline in clinESSDAI score at weeks 24 and 48, Change from baseline in ESSPRI score at weeks 24 and 48, Proportion of STAR responders (score of ≥ 5) at weeks 24 and 48 when compared to baseli

Countries

Belgium, Hungary, Poland

Outcome results

None listed

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