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Trial · NCT02552212

Registered outcomes31

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPercentage of Subjects With Ankylosing Spondylitis Disease Activity Score Major Improvement (ASDAS-MI) Response Criteria Response at Week 52Week 52
This variable was considered as primary in all countries except for Canada (and any other country where applicable or where requested by Regulatory Authorities) where it was considered as secondary variable. ASDAS-MI was achieved when there was a reduction (improvement) \>= 2.0 in the ASDAS relative to Baseline, or when the lowest possible ASDAS score (0.6) was reached. The ASDAS was calculated as the sum of the following components: 0.121 × Back pain (BASDAI Q2 result) 0.058 × Duration of morning stiffness (BASDAI Q6 result) 0.110 × Patient's Global Assessment of Disease Activity (PGADA) 0.073 × Peripheral pain/swelling (BASDAI Q3 result) 0.579 × (natural logarithm \[ln\] of the (CRP \[mg/L\] + 1)) Back pain, PGADA, duration of morning stiffness, peripheral pain/swelling and fatigue were all assessed on a numerical scale (0 to 10 units, where 0 is "not active" and 10 is "very active").
PrimaryPercentage of Subjects With Axial SpondyloArthritis International Society 40% Response Criteria (ASAS40) Response at Week 12Week 12
This variable was considered as primary for Canada (and any other country where applicable or where requested by Regulatory Authorities) and as secondary variable in all other countries. The ASAS40 response was defined as relative improvements of at least 40 % and absolute improvement of at least 2 units on a 0 to 10 Numeric Rating Scale (NRS), where 0 is "not active" and 10 is "very active" in at least 3 of the 4 domains: Patient's Global Assessment of Disease Activity (PGADA), Pain assessment (total spinal pain NRS scores), Function (Bath Ankylosing Spondylitis Functional Index (BASFI), Inflammation (mean of Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)) questions 5 and 6 concerning morning stiffness intensity and duration) and no worsening at all in the remaining domain.
PrimaryCertolizumab Pegol Plasma Concentration at BaselineBaseline (Week 0)Certolizumab pegol plasma concentration was measured at Baseline in micrograms per millilitre (µg/mL).
PrimaryCertolizumab Pegol Plasma Concentration at Week 1Week 1Certolizumab pegol plasma concentration was measured at Week 1, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 2Week 2Certolizumab pegol plasma concentration was measured at Week 2, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 4Week 4Certolizumab pegol plasma concentration was measured at Week 4, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 12Week 12Certolizumab pegol plasma concentration was measured at Week 12, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 24Week 24Certolizumab pegol plasma concentration was measured at Week 24, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 36Week 36Certolizumab pegol plasma concentration was measured at Week 36, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Week 52Week 52Certolizumab pegol plasma concentration was measured at Week 52, in µg/mL.
PrimaryCertolizumab Pegol Plasma Concentration at Follow-Up (FU) VisitFollow-up Visit (up to Week 60)
Certolizumab pegol plasma concentration was measured at the Follow-Up Visit, in µg/mL. Follow-Up Visit was defined as 8 weeks after Week 52 or Withdrawal (WD) visit for subjects not participating in the Safety Follow-Up Extension (SFE) Period.
SecondaryPercentage of Subjects With Axial SpondyloArthritis International Society 40% Response Criteria (ASAS40) Response at Week 52Week 52
The ASAS40 response was defined as relative improvements of at least 40% and absolute improvement of at least 2 units on a 0 to 10 Numeric Rating Scale (NRS), where 0 is "not active" and 10 is "very active" in at least 3 of the 4 domains: Patient's Global Assessment of Disease Activity (PGADA), Pain assessment (total spinal pain NRS scores), Function (Bath Ankylosing Spondylitis Functional Index (BASFI)), Inflammation (mean of Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)) questions 5 and 6 concerning morning stiffness intensity and duration) and no worsening at all in the remaining domain.
SecondaryChange From Baseline to Week 12 in the Bath Ankylosing Spondylitis Functional Index (BASFI)From Baseline to Week 12
The BASFI is a validated disease-specific instrument for assessing physical function. The BASFI comprises 10 items relating to the past week. The BASFI is the mean of the 10 scores such that the total score ranges from 0 (Easy) to 10 (Impossible), with lower scores indicating better physical function. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryChange From Baseline to Week 52 in the Bath Ankylosing Spondylitis Functional Index (BASFI)From Baseline to Week 52
The BASFI is a validated disease-specific instrument for assessing physical function. The BASFI comprises 10 items relating to the past week. The BASFI is the mean of the 10 scores such that the total score ranges from 0 (Easy) to 10 (Impossible), with lower scores indicating better physical function. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryChange From Baseline to Week 12 in the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)From Baseline to Week 12
The BASDAI is a validated self-reported instrument, which consists of six 10 unit horizontal Numeric Rating Scales to measure the disease activity of ankylosing spondylitis (AS) from the subject's perspective. It measures the severity of fatigue, spinal and peripheral joint pain and swelling, enthesitis, and morning stiffness (both severity and duration) over the last week. The final BASDAI scores ranges from 0 (not active) to 10 (very active), with lower scores indicating lower disease activity. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryChange From Baseline to Week 52 in the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)From Baseline to Week 52
The BASDAI is a validated self-reported instrument, which consists of six 10 unit horizontal Numeric Rating Scales to measure the disease activity of ankylosing spondylitis (AS) from the subject's perspective. It measures the severity of fatigue, spinal and peripheral joint pain and swelling, enthesitis, and morning stiffness (both severity and duration) over the last week. The final BASDAI scores ranges from 0 (not active) to 10 (very active), with lower scores indicating lower disease activity. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryChange From Baseline to Week 12 in Sacroiliac Spondyloarthritis Research Consortium of Canada (SI-SPARCC) ScoreFrom Baseline to Week 12
The Spondyloarthritis Research Consortium of Canada (SPARCC) scoring method for lesions found on the Magnetic Resonance Imaging (MRI) is based on an abnormal increased signal on the Short-Tau-Inversion Recovery (STIR) sequence, representing bone marrow edema. Total Sacroiliac (SI) joint SPARCC score can range from 0 to 72 with higher scores indicating higher joint inflammation. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryNumber of Subjects Without Relevant Changes to Background Medication From Baseline to Week 52From Baseline to Week 52
The number of subjects who did not have relevant changes to background medications during the study treatment period. A subject is without relevant changes to background medication if they do not have: the addition of a new disease-modifying antirheumatic drug (DMARD) or the change from one DMAR to another; the addition of an nonsteroidal anti-inflammatory drug (NSAID) or the change from one NSAID to another; an increased dose of chronic corticosteroids; the addition of a new chronic analgesic medication or increased dose in chronic analgesic medication; and they complete double-blind study treatment to Week 52.
SecondaryChange From Baseline in Ankylosing Spondylitis Quality of Life (ASQoL) at Week 52From Baseline to Week 52
The ASQoL score ranged from 0 to 18 with higher score indicating worse Health-Related Quality of Life (HRQoL) and 0 indicating good HRQoL. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.
SecondaryChange From Baseline in ASQoL at Week 1From Baseline to Week 1
The ASQoL score ranged from 0 to 18 with higher score indicating worse Health-Related Quality of Life (HRQoL) and 0 indicating good HRQoL. The change from Baseline is calculated, a negative value indicating improvement and a positive value worsening.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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