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A Phase II, Multicenter, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of RO7790121 in Patients with Moderate to Severe Rheumatoid Arthritis who have an Inadequate Response or Intolerance to TNF and/or JAK Inhibitors

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-521034-28-00
Acronym
WA45846
Enrollment
63
Registered
2025-11-23
Start date
2025-12-05
Completion date
Unknown
Last updated
2026-01-26

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

Conditions

Moderate to Severe Rheumatoid Arthritis (RA)

Brief summary

Change from baseline in DAS28-CRP at Week 14

Detailed description

ACR20 response rate at Week 14, ACR50 response rate at Week 14, ACR70 response rate at Week 14, Change from baseline in DAS28-ESR at Week 14, Change from baseline in SDAI score at Week 14, Change from baseline in CDAI score at Week 14, Change from baseline in SF-36 score at Week 14, Incidence and severity of the following: - Adverse events - Serious adverse events - Adverse events leading to study treatment discontinuation - Adverse events of special interest - Change from baseline in selected vital signs - Change from baseline in selected clinical laboratory test results, Serum concentration of RO7790121 at specified timepoints

Interventions

Sponsors

F. Hoffmann-La Roche AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Change from baseline in DAS28-CRP at Week 14

Secondary

MeasureTime frame
ACR20 response rate at Week 14, ACR50 response rate at Week 14, ACR70 response rate at Week 14, Change from baseline in DAS28-ESR at Week 14, Change from baseline in SDAI score at Week 14, Change from baseline in CDAI score at Week 14, Change from baseline in SF-36 score at Week 14, Incidence and severity of the following: - Adverse events - Serious adverse events - Adverse events leading to study treatment discontinuation - Adverse events of special interest - Change from baseline in selected vital signs - Change from baseline in selected clinical laboratory test results, Serum concentration of RO7790121 at specified timepoints

Countries

Belgium, Denmark, France, Germany, Italy, Poland, Spain

Outcome results

None listed

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