Table 3

Outcomes defined and prespecified in the BLISS 52 and BLISS 76 trials and their accompanying designated status

OutcomeMeasureOutcome specification
SLE Responder Index (SRI*)Percentage responders at week 52Primary outcome
Reduction in SLEDAI score by ≥4 pointsPercentage responders at week 52Major secondary outcome
Change in PGA score from baselineMean change at week 24Major secondary outcome
Steroid reduction weeks 40–52Percentage respondersMajor secondary outcome
SF-36 physical component summary scoreMean change at week 24Major secondary outcome
SLE Responder IndexPercentage responders at week 76Major secondary outcome
SLICC/ACR damage indexMean change at week 52Secondary outcome
FACIT-fatigue scale mean change from baselineMean change at clinic visitsSecondary outcome
EQ-5D scoreMean change at clinic visitsSecondary outcome
Change in PGA score from baselineMean change at week 52Secondary outcome
SF-36 physical component summary scoreMean change at week 52Secondary outcome
SLEDAI SLE flare index over 52 weeksTime to first flareSecondary outcome
SLE Responder Index (SRI)Percentage responders at timed clinic visitsOther outcome reported
Modified SLE responder indexPercentage responders at week 52Other outcome reported
No worsening in PGA score by ≥0.3Percentage responders at week 52Other outcome reported
No new BILAG 1A/2B domain scoresPercentage responders at week 52Other outcome reported
Change in SLEDAI score from baselineMean change at week 52Other outcome reported
DeathNumber during exposureSafety outcome
Treatment emergent adverse eventsNumber during exposureSafety outcome
Serious infectionsNumber during exposureSafety outcome
  • *Composite outcome measure consisting of ≥4 points improvement in SLEDAI score, no worsening in PGA by ≥0.3 points and no new BILAG 1A or 2B domain scores. Continuous outcomes are in italics.

  • ACR, American College of Rheumatology; BILAG, British Isles Lupus Assessment Group; EQ-5D, EuroQoL 5 dimensions; FACIT, Functional Assessment of Chronic Illness Therapy;  SF-36, Short Form 36-Item Health Survey; SLEDAI, Systemic Lupus Erythematosus Disease Activity Index; SLICC, Systemic Lupus International Collaborating Clinics.