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A randomised, double-blind, multicentre study comparing the efficacy, safety and immunogenicity of proposed Abatacept biosimilar (DRL_AB) with Orencia® administered by the intravenous route as an add-on to methotrexate in the treatment of patients with moderate to severe rheumatoid arthritis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-506664-14-00
Acronym
AB-01-004
Enrollment
415
Registered
2024-04-24
Start date
2024-10-24
Completion date
2025-12-02
Last updated
2025-11-11

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

Conditions

Rheumatoid Arthritis

Brief summary

Primary endpoint for EMA • Change in DAS28-CRP from Baseline to Week 13 [Time Frame: Baseline; Week 13].

Detailed description

1. Change from baseline in DAS28-ESR 2. Change from baseline in DAS28-CRP 3. Proportion of patients with ACR20/50/70 response, 4. Time to EULAR moderate or good response 5. Proportion of patients reaching moderate or good EULAR response based on DAS28-CRP, 6. Incidence of AEs and SAEs 7. Incidences of anaphylactic reactions, hypersensitivity reactions, infections (requiring intravenous antibiotic therapy), infusion related reactions and new malignancies, 8. Incidence of ADAs including NAb and ADA Titres 9. Incidence of ADAs including NAb and ADA Titres during transition phase, 10. Change in PD endpoints (ESR and CRP) from baseline to selected time points till Week 25

Interventions

Sponsors

Dr Reddy's Laboratories Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Primary endpoint for EMA • Change in DAS28-CRP from Baseline to Week 13 [Time Frame: Baseline; Week 13].

Secondary

MeasureTime frame
1. Change from baseline in DAS28-ESR 2. Change from baseline in DAS28-CRP 3. Proportion of patients with ACR20/50/70 response, 4. Time to EULAR moderate or good response 5. Proportion of patients reaching moderate or good EULAR response based on DAS28-CRP, 6. Incidence of AEs and SAEs 7. Incidences of anaphylactic reactions, hypersensitivity reactions, infections (requiring intravenous antibiotic therapy), infusion related reactions and new malignancies, 8. Incidence of ADAs including NAb and ADA Titres 9. Incidence of ADAs including NAb and ADA Titres during transition phase, 10. Change in PD endpoints (ESR and CRP) from baseline to selected time points till Week 25

Countries

Bulgaria, Czechia, Estonia, Hungary, Latvia, Lithuania, Poland, Romania

Outcome results

None listed

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