GSK1550188 A 52 Week Study of Belimumab Versus Placebo in the Treatment of Subjects With Systemic Lupus Erythematosus (SLE) Located in Northeast Asia
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ClinicalTrials.gov Identifier: NCT01345253 |
Recruitment Status :
Completed
First Posted : May 2, 2011
Results First Posted : December 2, 2016
Last Update Posted : October 4, 2019
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Sponsor:
GlaxoSmithKline
Collaborator:
Human Genome Sciences Inc.
Information provided by (Responsible Party):
GlaxoSmithKline
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Study Type | Interventional |
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Study Design | Allocation: Randomized; Intervention Model: Parallel Assignment; Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor); Primary Purpose: Treatment |
Condition |
Systemic Lupus Erythematosus |
Interventions |
Drug: Belimumab Drug: Placebo |
Enrollment | 709 |
Participant Flow
Recruitment Details | This study consisted of a 52 week blinded treatment period in Northeast Asia (China, Japan, Korea) which was followed by an optional open-label (OL) extension period in China for evaluation of belimumab in participants (par.) with active systemic lupus erythematosus (SLE). |
Pre-assignment Details | A total of 707 par. were randomized, 705 received at least 1 dose of investigational product (Safety Population), 677 par. were included in the primary efficacy population (MITT Population) of which 663 were evaluable for the primary endpoint. The participant flow and baseline characteristics are presented for MITT Population (Pop). |
Arm/Group Title | Placebo | Belimumab 10 mg/kg |
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Participants received placebo intravenously (IV) on Day 0, Day 14, Day 28 and then every 28 days until Week 48 of the double-blind period. All China participants who completed double-blind period and eligible to enter open-label phase received belimumab 10 milligrams (mg)/kilogram (kg) up to Year 5 Week 28. | Participants received belimumab 10 mg/kg IV on Day 0, Day 14, Day 28 and then every 28 days until Week 48 of the double-blind period. All China participants who completed double-blind period and eligible to enter open-label phase received belimumab 10 mg/kg up to Year 5 Week 28. |
Period Title: Double-blind (DB) Phase (52 Weeks) | ||
Started | 226 | 451 |
Completed | 170 | 372 |
Not Completed | 56 | 79 |
Reason Not Completed | ||
Adverse Event | 22 | 27 |
Lack of Efficacy | 11 | 7 |
Protocol Violation | 1 | 5 |
Met Protocol Defined Stopping Criteria | 6 | 1 |
Lost to Follow-up | 3 | 8 |
Physician Decision | 4 | 12 |
Withdrawal by Subject | 9 | 19 |
Period Title: Open-label Phase (Up to Year 5 Week 44) | ||
Started | 134 [1] | 290 [2] |
Completed | 69 | 146 |
Not Completed | 65 | 144 |
Reason Not Completed | ||
Adverse Event | 7 | 18 |
Death | 0 | 1 |
Lack of Efficacy | 3 | 7 |
Protocol Violation | 2 | 5 |
Lost to Follow-up | 4 | 6 |
Physician Decision | 11 | 24 |
Withdrawal by Subject | 37 | 82 |
Not Recorded | 1 | 1 |
[1]
Only eligible China par. enrolled in OL phase from MITT + additional 9 China par. from Safety Pop
[2]
Only eligible China par. enrolled in OL phase from MITT + additional 16 China par. from Safety Pop
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Baseline Characteristics
Arm/Group Title | Placebo | Belimumab 10 mg/kg | Total | |
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Participants received placebo intravenously (IV) on Day 0, Day 14, Day 28 and then every 28 days until Week 48 of the double-blind period. All China participants who completed double-blind period and eligible to enter open-label phase received belimumab 10 milligrams (mg)/kilogram (kg) up to Year 5 Week 28. | Participants received belimumab 10 mg/kg IV on Day 0, Day 14, Day 28 and then every 28 days until Week 48 of the double-blind period. All China participants who completed double-blind period and eligible to enter open-label phase received belimumab 10 mg/kg up to Year 5 Week 28. | Total of all reporting groups | |
Overall Number of Baseline Participants | 226 | 451 | 677 | |
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[Not Specified]
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Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
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Number Analyzed | 226 participants | 451 participants | 677 participants | |
31.7 (9.18) | 32.3 (9.65) | 32.1 (9.50) | ||
Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 226 participants | 451 participants | 677 participants | |
Female |
210 92.9%
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419 92.9%
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629 92.9%
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Male |
16 7.1%
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32 7.1%
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48 7.1%
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Race/Ethnicity, Customized
Measure Type: Count of Participants Unit of measure: Participants |
Number Analyzed | 226 participants | 451 participants | 677 participants |
Asian - Central/South Asian Heritage |
2 0.9%
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4 0.9%
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6 0.9%
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Asian - East Asian Heritage |
195 86.3%
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403 89.4%
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598 88.3%
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Asian - Japanese Heritage |
24 10.6%
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40 8.9%
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64 9.5%
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Asian - South East Asian Heritage |
4 1.8%
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3 0.7%
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7 1.0%
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Asian - Mixed Race |
1 0.4%
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1 0.2%
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2 0.3%
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Outcome Measures
Adverse Events
Limitations and Caveats
The primary objective for DB was efficacy and the participant flow is aligned with the MITT population. The primary objective for OL is safety and includes only China par. from DB + additional 25 China par. from the Safety Pop who were not in MITT.
More Information
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts
the PI's rights to discuss or publish trial results after the trial is completed.
GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.
Results Point of Contact
Name/Title: | GSK Response Center |
Organization: | GlaxoSmithKline |
Phone: | 866-435-7343 |
EMail: | GSKClinicalSupportHD@gsk.com |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | GlaxoSmithKline |
ClinicalTrials.gov Identifier: | NCT01345253 |
Other Study ID Numbers: |
113750 |
First Submitted: | April 28, 2011 |
First Posted: | May 2, 2011 |
Results First Submitted: | June 9, 2016 |
Results First Posted: | December 2, 2016 |
Last Update Posted: | October 4, 2019 |