The purpose of this study is to evaluate the efficacy of intravenously (administration of a fluid into the vein) administered golimumab 2 milligram per kilogram (mg/kg) in participants with active ankylosing spondylitis (chronic inflammatory disease of unknown etiology that involves the sacroiliac joints, and often the axial skeleton, entheses, and peripheral joints).
This is a Phase 3, multicenter (when more than one hospital or medical school team work on a medical research study), randomized (study drug assigned by chance), double-blind (neither the researchers nor the participants know what treatment the participant is receiving), placebo-controlled (an inactive substance; a pretend treatment \[with no drug in it\] that is compared in a clinical trial with a drug to test if the drug has a real effect) study of golimumab compared with placebo in participants with active ankylosing spondylitis. The study comprises of 4 phases: Screening phase (up to 6 weeks), Double-blind placebo-controlled phase (Week 0 to Week 16), Active treatment phase (Week 16 to Week 52), and Safety follow-up phase (8 weeks from last study drug administration). Total duration of the study will be 60 weeks per participant. Eligible Participants will be randomly assigned to either Treatment group 1: Placebo or Treatment group 2: Golimumab. Participants randomized to Placebo group, will receive intravenous infusions of placebo at Weeks 0, 4 and 12. At Week 16, all participants receiving placebo will begin receiving intravenous infusions of golimumab (2 mg/kg) at Weeks 16, 20 and thereafter every 8 weeks up to Week 52. Participants randomized to Golimumab group, will receive intravenous infusions of golimumab 2 mg/kg at Weeks 0, 4 and thereafter every 8 weeks up to Week 52. At Week 16, participants randomized to golimumab group will receive a placebo infusion to maintain the blind. The efficacy will be assessed primarily by measuring percentage of participants who achieve a 20 percent improvement from baseline in the assessment in ankylosing spondylitis (ASAS) at Week 16. Participant's safety will be monitored throughout the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
208
Percentage of Participants Who Achieved at Least 20 Percent Improvement From Baseline in the Assessment of SpondyloArthritis International Society (ASAS 20) at Week 16
ASAS 20 defined as 20 percent (%) improvement compared to baseline in the ASAS Working Group criteria: that is, greater than or equal to (\>=)20% improvement from baseline in at least 3 of the 4 domains: patient's global assessment of disease activity (0=very well,10 =very poor), total back pain (0=no pain,10=most severe pain), function (self-assessment using BASFI \[0=no functional impairment to 10= maximal impairment\]), inflammation (0=none,10=very severe) with an absolute improvement of at least 1 (0-10 centimeter (cm) visual analogue scale \[VAS\]), and an absence of deterioration (defined as \>=20% worsening and absolute worsening of at least 1 on a 0-10 cm scale) in the potential remaining domain.
Time frame: Week 16
Percentage of Participants Who Achieved at Least 40 Percent Improvement From Baseline in the Assessment of SpondyloArthritis International Society (ASAS 40) at Week 16
An ASAS 40 response is defined as \>=40% improvement from baseline in 3 of 4 domains: patient's global assessment of disease activity (0=very well, 10=very poor), total back pain (0=no pain, 10=most severe pain), function (self-assessment using BASFI (0=no functional impairment to 10=maximal impairment), inflammation (0=none, 10=very severe) with an absolute improvement of at least 2 (0-10 cm VAS), and no deterioration in the remaining domain.
Time frame: Week 16
Percentage of Participants Who Achieved at Least 50 Percent Improvement From Baseline in Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) at Week 16
The BASDAI is a self-assessment tool to determine disease activity using a VAS of 0-10 cm (0=none and 10=very severe) participant's answered 6 questions measuring fatigue, spinal pain, joint pain, enthesitis, and morning stiffness. The final BASDAI is calculated as a mean of individual questions with a final score range of 0 to 10 cm; 0=best and 10=worst.
Time frame: Week 16
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Change From Baseline in Bath Ankylosing Spondylitis Functional Index (BASFI) Score at Week 16
The BASFI is a participant's self-assessment of physical function represented as a mean of 10 questions, each question rated on VAS 0 to 10 cm (VAS 0 to 10 cm; 0=easy to 10=impossible), 8 of which relate to the participant's functional anatomy and 2 of which relate to a participant's ability to cope with everyday life.
Time frame: Baseline and Week 16
Change From Baseline in Short Form-36 Health Survey (SF-36) Physical Component Summary (PCS) Score at Week 16
The Medical Outcome Study health measure SF-36 questionnaire is a well-validated and widely used quality-of-life instrument. It is a self-administered survey that consists of 8 multi-item scales: The 4 subscales of the SF-36 comprises the PCS score (physical functioning, role-physical, bodily pain, and general health) and the 4 subscales of the SF-36 comprises the MCS score (vitality, social functioning, role-emotional, and mental health). PCS and MCS are scored from 0 to 100 with higher scores indicating better health (worst value is 0 and best value is 100), which are scored using a norm-based system where linear transformations are performed to transform scores to a mean of 50 and standard deviation of 10.
Time frame: Baseline and Week 16
Change From Baseline in Short Form-36 Health Survey (SF-36) Mental Component Summary (MCS) Score at Week 16
The Medical Outcome Study health measure SF-36 questionnaire is a well-validated and widely used quality-of-life instrument. It is a self-administered survey that consists of 8 multi-item scales: The 4 subscales of the SF-36 comprises the PCS score (physical functioning, role-physical, bodily pain, and general health) and the 4 subscales of the SF-36 comprises the MCS score(vitality, social functioning, role-emotional, and mental health). PCS and MCS are scored from 0 to 100 with higher scores indicating better health (worst value is 0 and best value is 100), which are scored using a norm-based system where linear transformations are performed to transform scores to a mean of 50 and standard deviation of 10.
Time frame: Baseline and Week 16
Percentage of Participants With Low Level of Disease Activity (ASAS Partial Remission) at Week 16
Low level of disease activity was measured by criteria for ASAS partial remission, defined as a value below 2 on a scale of 0 to 10 cm in each of the 4 ASAS domains: patient's global assessment of disease activity, total back pain, function (BASFI), inflammation.
Time frame: Week 16
Change From Baseline in Ankylosing Spondylitis Quality of Life (ASQoL) at Week 16
The ASQoL is a self-administered health-related quality of life (HRQOL) instrument. It consists of 18 items requesting a Yes or No response to questions related to the impact of the disease/condition (including pain) on sleep, mood, motivation, ability to cope, activities of daily living, independence, relationships, and social life. A score of 1 is given to a response of "yes" on each item and all item scores are summed to a total score with a range of 0 to 18. Higher scores indicate worse HRQOL.
Time frame: Baseline and Week 16
Change From Baseline in Bath Ankylosing Spondylitis Metrology Index (BASMI) at Week 16
BASMI is an objective measure of spinal mobility. The BASMI score is composed of 5 measures: tragus to wall distance, lumbar flexion, cervical rotation, lumbar side flexion, and intermalleolar distance. Each measure was scored 0-2 (0=normal mobility/mild disease involvement, 1=moderate disease involvement, 2=severe disease involvement) to give a final total BASMI score ranging from 0 to 10. The higher the BASMI score, the more severe was the participant's limitation of movement due to their AS.
Time frame: Baseline and Week 16