Safety and Efficacy Study of LymphoStat-B (Belimumab) in Subjects With Systemic Lupus Erythematosus (SLE)
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ClinicalTrials.gov Identifier: NCT00071487 |
Recruitment Status :
Completed
First Posted : October 28, 2003
Results First Posted : August 28, 2012
Last Update Posted : August 7, 2013
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Condition or disease | Intervention/treatment | Phase |
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Lupus Erythematosus, Systemic | Drug: Placebo Drug: Belimumab 1 mg/kg Drug: Belimumab 4 mg/kg Drug: Belimumab 10 mg/kg | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 449 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2, Multi-Center, Double-Blind, Placebo-Controlled, Dose-Ranging Study to Evaluate the Safety, Tolerability, and Efficacy of LymphoStat-B™ Antibody (Monoclonal Anti-BLyS Antibody) in Subjects With Systemic Lupus Erythematosus (SLE) |
Study Start Date : | October 2003 |
Actual Primary Completion Date : | August 2005 |
Actual Study Completion Date : | June 2006 |

Arm | Intervention/treatment |
---|---|
Placebo Comparator: Placebo plus SOC |
Drug: Placebo
Placebo IV plus standard therapy (SOC) for SLE; placebo administered on Days 0, 14, 28, and every 28 days thereafter through 52 weeks in the double-blind period. In the open-label extension period, placebo patients who opted to participate received belimumab 10 mg/kg IV plus SOC every 28 days for an additional 24 weeks. |
Experimental: Belimumab 1 mg/kg plus SOC |
Drug: Belimumab 1 mg/kg
Belimumab 1 mg/kg IV plus standard therapy (SOC) for SLE; belimumab 1 mg/kg administered on Days 0, 14, 28, and every 28 days thereafter through 52 weeks in the double-blind period. In the open-label extension period, patients who opted to participate either continued on the same dose of belimumab or may have been switched to belimumab 10 mg/kg at the investigator's discretion for an additional 24 weeks.
Other Names:
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Experimental: Belimumab 4 mg/kg plus SOC |
Drug: Belimumab 4 mg/kg
Belimumab 4 mg/kg IV plus standard therapy (SOC) for SLE; belimumab 4 mg/kg administered on Days 0, 14, 28, and every 28 days thereafter through 52 weeks in the double-blind period. In the open-label extension period, patients who opted to participate either continued on the same dose of belimumab or may have been switched to belimumab 10 mg/kg at the investigator's discretion for an additional 24 weeks.
Other Names:
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Experimental: Belimumab 10 mg/kg plus SOC |
Drug: Belimumab 10 mg/kg
Belimumab 10 mg/kg IV plus standard therapy (SOC) for SLE; belimumab 10 mg/kg administered on Days 0, 14, 28, and every 28 days thereafter through 52 weeks in the double-blind period. In the open-label extension period, patients who opted to participate continued on belimumab 10 mg/kg for an additional 24 weeks.
Other Names:
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- Percentage Change From Baseline in Safety of Estrogens in Lupus Erythematosus National Assessment SLE Disease Activity Index (SELENA SLEDAI) Score at Week 24. [ Time Frame: Baseline, 24 weeks ]SELENA SLEDAI is calculated from 24 individual descriptors; 0 indicates inactive disease and the maximum theoretical score is 105; scores > 20 are rare.
- Time to First Mild/Moderate or Severe SLE Flare (SLE Flare Index) [ Time Frame: 0 to 52 weeks ]The SLE Flare Index categorized SLE flare as "mild or moderate" or "severe" based on 5 variables: 1) change in SELENA SLEDAI score from the most recent assessment to current, 2) change in signs or symptoms of disease activity, 3) change in prednisone dosage, 4) use of new medications for disease activity or hospitalization, and 5) change in Physician's Global Assessment score, a visual analog scale scored from 0 to 3 (1=mild, 2=moderate, 3=severe).
- Percentage Change From Baseline in SELENA SLEDAI Score at Week 52 [ Time Frame: Baseline, 52 weeks ]SELENA SLEDAI is calculated from 24 individual descriptors; 0 indicates inactive disease and the maximum theoretical score is 105; scores > 20 are rare
- Area Under the Curve (AUC) of SELENA SLEDAI Score at Week 52 [ Time Frame: Baseline and every 4 to 8 weeks through Week 52 ]SELENA SLEDAI is calculated from 24 individual descriptors; 0 indicates inactive disease and the maximum theoretical score is 105; scores > 20 are rare. The normalized AUC was created as the ratio of the area under the SELENA SLEDAI score curve divided by baseline score.
- Percentage Change From Baseline in British Isles Lupus Activity Group (BILAG) Score at Week 52 [ Time Frame: Baseline, 52 weeks ]The BILAG index is a clinical measure of lupus disease activity. BILAG uses a single score for each of the 8 organ domains; range is from severe to no disease (A to E). The global BILAG score is the sum of the numerical scores in the 8 domains assigning A=9, B=3, C=1, D=0, E=0.
- Area Under the Curve (AUC) of BILAG Score at Week 52 [ Time Frame: Baseline and every 4 to 8 weeks through Week 52 ]The BILAG index is a clinical measure of lupus disease activity. BILAG uses a single score for each of the 8 organ domains; range is from severe to no disease (A to E). The global BILAG score is the sum of the numerical scores in the 8 domains assigning A=9, B=3, C=1, D=0, E=0.The normalized AUC was created as the ratio of the area under the global BILAG score curve divided by baseline score.
- Time to First Type A/B SLE Flare (as Defined Using BILAG) Over 52 Weeks [ Time Frame: 0 to 52 weeks ]SLE flare indicates an increase in SLE disease activity. An SLE flare was a type A or B SLE flare (as defined using BILAG) compared with the previous visit.
- Percentage of Patients With a Reduction in Prednisone Dose [ Time Frame: Baseline, weeks 40 to 52 ]Percentage of patients whose average prednisone dose has been reduced by ≥ 50% and/or has been reduced to ≤ 7.5 mg/day during Weeks 40 through 52 in patients receiving greater than 7.5 mg/day at baseline.
- Adverse Events (AE) Overview [ Time Frame: Up to 84 weeks ]Includes AEs reported in patients from the first dose of study agent throughout the study up to the Week 76/exit visit or 8 weeks following the last dose of study agent for patients who withdrew from this study or decided not to participate in the optional continuation protocol (LBSL99/NCT00583362).

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Primary Inclusion Criteria
- Clinical diagnosis of SLE
- "Active" SLE disease
- On a stable SLE treatment regimen
- History of measurable autoantibodies
Primary Exclusion Criteria
- Received a non-FDA approved investigational agent within last 28 days
- Cyclosporin, intravenous immunoglobulin (IVIG) or plasmapheresis within last 90 days
- Active lupus nephritis requiring hemodialysis, cyclophosphamide (Cytoxan™), or high-dose prednisone (> 100 mg/day) within last 90 days
- Active central nervous system (CNS) lupus requiring therapeutic intervention within last 60 days
- History of renal transplant
- History of chronic infection that has been active within last 6 months, herpes zoster within last 90 days or any infection requiring hospitalization or intravenous medication within last 60 days
- History of hypogammaglobulinemia or immunoglobulin A (IgA) deficiency
- Human immunodeficiency virus (HIV), Hepatitis B, Hepatitis C

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00071487

Study Director: | GSK Clinical Trials | GlaxoSmithKline |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Human Genome Sciences Inc. |
ClinicalTrials.gov Identifier: | NCT00071487 |
Other Study ID Numbers: |
LBSL02 |
First Posted: | October 28, 2003 Key Record Dates |
Results First Posted: | August 28, 2012 |
Last Update Posted: | August 7, 2013 |
Last Verified: | August 2013 |
SLE |
Lupus Erythematosus, Systemic Connective Tissue Diseases Autoimmune Diseases Immune System Diseases |
Belimumab Immunosuppressive Agents Immunologic Factors Physiological Effects of Drugs |