Safety and Effectiveness of BENLYSTA (Belimumab) in Systemic Lupus Erythematosus (SLE) Registry

Study at a glance

From the registry record, last updated by the sponsor on 20 Mar 2026. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title

A 5-Year Prospective Observational Registry to Assess Adverse Events of Interest and Effectiveness in Adults With Active, Autoantibody-Positive Systemic Lupus Erythematosus Treated With or Without BENLYSTA™ (Belimumab)

ClinicalTrials.gov ID

NCT01729455

Acronym / sponsor ID

SABLE / 116543

Conditions

Systemic Lupus Erythematosus

Keywords

Belimumab, BENLYSTA, Systemic Lupus Erythematosus, Autoimmune Disease, Autoantibodies

Study type

Observational

Recruitment status

Completed

Enrolment

3,138 participants (actual)

Lead sponsor

GlaxoSmithKlineIndustry (pharma, biotech, devices)

Study start

21 Feb 2013 (actual)

Primary completion

28 Feb 2025 (actual)

Study completion

28 Feb 2025 (actual)

First posted

20 Nov 2012 (estimated)

Results

Posted 20 Mar 2026

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

Study design

Observational model

Cohort

Time perspective

Prospective

Target follow-up

12 Years

Number of arms

2

Who may qualify

Ages

18 years and older

Sex

All

Healthy volunteers

Not accepted

Age groups

Adult, Older adult

Study population

Participants with active autoantibody-positive SLE.

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Interventions

Primary outcome

1. Number of Participants With Adverse Events of Special Interest (AESI) Using Initial Exposure Intent-to-Treat (ITT) Strategy

   Time frame: Up to 63 Months

   An adverse event (AE) is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs included mortality, malignancies (excluding non-melanoma skin cancers [NMSC]), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events. Initial exposure ITT strategy assigned exposure status of participants based on SLE medication (Benlysta or Non-Benlysta) at enrollment (Day 0). This exposure strategy analyzed all accrued AESI data during the whole follow-up period irrespective of treatment switching from Benlysta to Non-Benlysta or vice-versa.

2. Incidence Rate of AESI Up to 12 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 12 Months

   An AE is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs including mortality, malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. Hence, a participant's exposure group could change over time depending on the SLE medication in use at specific time during study follow-up. For Benlysta, a 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Incidence rate is calculated as: Number of first events divided by (/) Total participant-years at risk of event expressed per 100 participant-years.

3. Incidence Rate of AESI Up to 24 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 24 Months

   An AE is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs including mortality, malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. Hence, a participant's exposure group could change over time depending on the SLE medication in use at specific time during study follow-up. For Benlysta, a 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Incidence rate is calculated as: Number of first events / Total participant-years at risk of event expressed per 100 participant-years.

4. Incidence Rate of AESI Up to 36 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 36 Months

   An AE is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs including mortality, malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. Hence, a participant's exposure group could change over time depending on the SLE medication in use at specific time during study follow-up. For Benlysta, a 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Incidence rate is calculated as: Number of first events / Total participant-years at risk of event expressed per 100 participant-years.

5. Incidence Rate of AESI Up to 48 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 48 Months

   An AE is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs including mortality, malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. Hence, a participant's exposure group could change over time depending on the SLE medication in use at specific time during study follow-up. For Benlysta, a 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Incidence rate is calculated as: Number of first events / Total participant-years at risk of event expressed per 100 participant-years.

6. Incidence Rate of AESI Up to 63 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 63 Months

   An AE is defined as any unfavorable or unintended sign, symptom, or disease that is temporally associated with the use of a study agent but is not necessarily caused by the study agent. AESIs including mortality, malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. Hence, a participant's exposure group could change over time depending on the SLE medication in use at specific time during study follow-up. For Benlysta, a 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Incidence rate is calculated as: Number of first events / Total participant-years at risk of event expressed per 100 participant-years.

7. Event Rate of AESI Up to 12 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 12 Months

   An AE is any unfavorable or unintended sign, symptom, or disease that is temporally associated with use of study agent but is not necessarily caused by study agent. AESIs including malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As event rate was computed for potentially recurrent events, no event rate was computed for mortality. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. So, a participant's exposure group could change over time depending on SLE medication in use at specific time during study follow-up. For Benlysta, 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Event rate is calculated as: Number of all events / Total participant-years at risk of event expressed per 100 participant-years.

8. Event Rate of AESI Up to 24 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 24 Months

   An AE is any unfavorable or unintended sign, symptom, or disease that is temporally associated with use of study agent but is not necessarily caused by study agent. AESIs including malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As event rate was computed for potentially recurrent events, no event rate was computed for mortality. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. So, a participant's exposure group could change over time depending on SLE medication in use at specific time during study follow-up. For Benlysta, 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Event rate is calculated as: Number of all events / Total participant-years at risk of event expressed per 100 participant-years.

9. Event Rate of AESI Up to 36 Months Using As-Exposed - Time Varying Strategy

   Time frame: Up to 36 Months

   An AE is any unfavorable or unintended sign, symptom, or disease that is temporally associated with use of study agent but is not necessarily caused by study agent. AESIs including malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As event rate was computed for potentially recurrent events, no event rate was computed for mortality. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. So, a participant's exposure group could change over time depending on SLE medication in use at specific time during study follow-up. For Benlysta, 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Event rate is calculated as: Number of all events / Total participant-years at risk of event expressed per 100 participant-years.

10. Event Rate of AESI Up to 48 Months Using As-Exposed - Time Varying Strategy

    Time frame: Up to 48 Months

    An AE is any unfavorable or unintended sign, symptom, or disease that is temporally associated with use of study agent but is not necessarily caused by study agent. AESIs including malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As event rate was computed for potentially recurrent events, no event rate was computed for mortality. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. So, a participant's exposure group could change over time depending on SLE medication in use at specific time during study follow-up. For Benlysta, 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Event rate is calculated as: Number of all events / Total participant-years at risk of event expressed per 100 participant-years.

11. Event Rate of AESI Up to 63 Months Using As-Exposed - Time Varying Strategy

    Time frame: Up to 63 Months

    An AE is any unfavorable or unintended sign, symptom, or disease that is temporally associated with use of study agent but is not necessarily caused by study agent. AESIs including malignancies (excluding NMSC), serious infections, opportunistic infections and other infections of interest, NMSC, and selected serious psychiatric events were summarized. As event rate was computed for potentially recurrent events, no event rate was computed for mortality. As-exposed (time varying) exposure strategy dynamically assigned participants' exposure group based on Benlysta/Non-Benlysta use at time of event, during study follow-up. So, a participant's exposure group could change over time depending on SLE medication in use at specific time during study follow-up. For Benlysta, 14-week risk window was applied wherein exposure ended 14 weeks after Benlysta stopped. Event rate is calculated as: Number of all events / Total participant-years at risk of event expressed per 100 participant-years.

Results and safety

Loading the posted results from ClinicalTrials.gov…

Research links

• Official record on ClinicalTrials.govLast updated by the sponsor 20 Mar 2026.
• Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
• Individual participant dataSharing planned: No

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Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.

179 sites in 13 countries: see every site and its status.