MedPath

A Study to Evaluate the Efficacy and Safety of Obinutuzumab in Patients with Systemic Lupus Erythematosus (ALLEGORY)

Phase 3
Active, not recruiting
Conditions
Systemic Lupus Erythematosus (SLE)
Registration Number
2023-504774-38-00
Lead Sponsor
F. Hoffmann-La Roche AG
Brief Summary

To evaluate the efficacy of obinutuzumab compared with placebo based on proportion of participants who achieve systemic lupus erythematosus responder index (SRI) (4)

Detailed Description

Not available

Recruitment & Eligibility

Status
Ongoing, recruitment ended
Sex
Not specified
Target Recruitment
68
Inclusion Criteria

Diagnosis of SLE according to the 2019 European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) Classification Criteria ≥12 weeks prior to screening

Anti-nuclear antibody (ANA) ≥1:80, or anti-dsDNA and/or anti-Sm antibodies above the upper limit of normal (ULN), as determined by the central laboratory at screening

Low C3 or low C4 or low CH50 complement as determined by the central laboratory at screening Low C3 is required in the presence of known genetic deficiency of C4

High disease activity at screening, based on; British Isles Lupus Assessment Group (BILAG-2004) (Category A disease in ≥1 organ system and/or Category B disease in ≥2 organ systems), Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) (score ≥8) and Physician’s Global Assessment (PGA) (score ≥1.0 on a 0 to 3 visual analogue scale [VAS])

High disease activity on Day 1, based on; SLEDAI-2K (score ≥8) and PGA (score ≥1.0 on a 0 to 3 VAS)

Current receipt of ≥1 of the following classes of standard therapies for the treatment of SLE at stable doses: oral corticosteroid (OCS), antimalarials, conventional immunosuppressants

Exclusion Criteria

Pregnancy or breastfeeding

Presence of significant lupus-associated renal disease and/or renal impairment

Receipt of an excluded therapy, including any anti-CD20, anti-CD19 therapy less than 9 months prior to screening or during screening; or cyclophosphamide, tacrolimus, ciclosporin, or voclosporin during the 2 months prior to screening or during screening

Significant or uncontrolled medical disease which, in the investigator’s opinion, would preclude patient participation

Known active infection of any kind or recent major episode of infection

Intolerance or contraindication to study therapies

Study & Design

Study Type
Not specified
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
1. Proportion of participants who achieve Systemic Lupus Erythematosus Responder Index (SRI)(4) at Week 52

1. Proportion of participants who achieve Systemic Lupus Erythematosus Responder Index (SRI)(4) at Week 52

Secondary Outcome Measures
NameTimeMethod
1. Proportion of participants who achieve SRI(6) at Week 52

1. Proportion of participants who achieve SRI(6) at Week 52

2. Proportion of participants entering the study on prednisone ≥ 10 mg/day (or equivalent) who achieve Sustained Corticosteroid Control from Week 40 through Week 52

2. Proportion of participants entering the study on prednisone ≥ 10 mg/day (or equivalent) who achieve Sustained Corticosteroid Control from Week 40 through Week 52

3. Time to first BILAG flare over 52 weeks

3. Time to first BILAG flare over 52 weeks

4. Proportion of participants who achieve Sustained SRI(4) response from Week 40 through Week 52

4. Proportion of participants who achieve Sustained SRI(4) response from Week 40 through Week 52

5. Proportion of participants who achieve British Isles Lupus Assessment Group-based Composite Lupus Assessment (BICLA) at Week 52

5. Proportion of participants who achieve British Isles Lupus Assessment Group-based Composite Lupus Assessment (BICLA) at Week 52

6. Proportion of participants who achieve SRI(4) at Week 24

6. Proportion of participants who achieve SRI(4) at Week 24

7. Proportion of participants who achieve clinical SRI(4) at Week 52

7. Proportion of participants who achieve clinical SRI(4) at Week 52

8. Proportion of participants who achieve SRI(4) at Week 52 on low-dose corticosteroids

8. Proportion of participants who achieve SRI(4) at Week 52 on low-dose corticosteroids

9. Proportion of participants who achieve Lupus Low Disease Activity State (LLDAS) at Week 52

9. Proportion of participants who achieve Lupus Low Disease Activity State (LLDAS) at Week 52

10. Proportion of participants who achieve Definition of Remission in SLE (DORIS) at Week 52

10. Proportion of participants who achieve Definition of Remission in SLE (DORIS) at Week 52

11. Change in Functional Assessment of Chronic Illness Therapy−Fatigue (FACIT-F) scale from baseline to Week 24 and from baseline to Week 52

11. Change in Functional Assessment of Chronic Illness Therapy−Fatigue (FACIT-F) scale from baseline to Week 24 and from baseline to Week 52

12. Change in 36-Item Short Form Survey, Version 2 (SF-36 v2) Bodily Pain domain scale from baseline to Week 24 and from baseline to Week 52

12. Change in 36-Item Short Form Survey, Version 2 (SF-36 v2) Bodily Pain domain scale from baseline to Week 24 and from baseline to Week 52

13. Change in SF-36 v2 Physical Component Summary scale from baseline to Week 24 and from baseline to Week 52

13. Change in SF-36 v2 Physical Component Summary scale from baseline to Week 24 and from baseline to Week 52

14. Change in active joint count (swollen plus tender) from baseline to Week 24 and from baseline to Week 52

14. Change in active joint count (swollen plus tender) from baseline to Week 24 and from baseline to Week 52

15. Proportion of participants who achieve a ≥50% reduction in active joint counts (swollen plus tender) at each study visit

15. Proportion of participants who achieve a ≥50% reduction in active joint counts (swollen plus tender) at each study visit

16. Proportion of participants who achieve a ≥50% reduction in Cutaneous Lupus Erythematosus Disease Area and Severity (CLASI) Total Activity Score at each study visit, among Participants with CLASI Total Activity Score ≥10 at Baseline

16. Proportion of participants who achieve a ≥50% reduction in Cutaneous Lupus Erythematosus Disease Area and Severity (CLASI) Total Activity Score at each study visit, among Participants with CLASI Total Activity Score ≥10 at Baseline

17. Proportion of participants who achieve sustained corticosteroid control from Week 40 through Week 52

17. Proportion of participants who achieve sustained corticosteroid control from Week 40 through Week 52

18. Cumulative corticosteroid use (in equivalent milligrams of prednisone) through Week 52

18. Cumulative corticosteroid use (in equivalent milligrams of prednisone) through Week 52

19. Incidence and severity of adverse events

19. Incidence and severity of adverse events

20. Characterization of adverse events of special interest

20. Characterization of adverse events of special interest

21. Change from baseline in targeted vital signs

21. Change from baseline in targeted vital signs

22. Change from baseline in targeted clinical laboratory test results

22. Change from baseline in targeted clinical laboratory test results

23. Serum concentrations of obinutuzumab at specified timepoints

23. Serum concentrations of obinutuzumab at specified timepoints

24. Prevalence of ADAs at baseline and incidence of ADAs during the study

24. Prevalence of ADAs at baseline and incidence of ADAs during the study

Trial Locations

Locations (23)

Revmatologicky Ustav

🇨🇿

Prague 2, Czechia

Centre Hospitalier Regional Et Universitaire De Brest

🇫🇷

Brest, France

Assistance Publique Hopitaux De Paris

🇫🇷

Paris Cedex 13, France

Centre Hospitalier Universitaire De Nice

🇫🇷

Nice, France

Hospital Universitari Vall D Hebron

🇪🇸

Barcelona, Spain

Complexo Hospitalario Universitario De Vigo

🇪🇸

Vigo, Spain

Complexo Hospitalario Universitario De Santiago

🇪🇸

Santiago De Compostela, Spain

Hospital General Universitario Gregorio Maranon

🇪🇸

Madrid, Spain

Hospital Universitario Basurto

🇪🇸

Bilbao, Spain

Hospital Clinic De Barcelona

🇪🇸

Barcelona, Spain

Scroll for more (13 remaining)
Revmatologicky Ustav
🇨🇿Prague 2, Czechia
Sarka Forejtova
Site contact
+420234075102
forejtova@revma.cz

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.