IWQOL-Lite-CT
The Phase 3 trials that won approval, and the outcome studies that came afterward on cardiovascular, kidney and sleep-apnea endpoints.
What is IWQOL-Lite-CT?
Impact of Weight on Quality of Life, Lite Clinical Trials version: a 20-item patient-reported questionnaire validated for obesity drug trials, scored 0–100 with physical-function and psychosocial subdomains reported separately.
Around 14.6 points is the meaningful-improvement threshold. STEP-1 and SURMOUNT-1 both posted large gains, which FDA used in weighing quality-of-life claims for Wegovy and Zepbound labeling.
STEP-1 quality-of-life endpoint →
GLP Watchdog writes these definitions from FDA labels and peer-reviewed PubMed literature.
Where IWQOL-Lite-CT comes up on this site
Drug pages
Connected terms
Other terms under Major trials
Where the evidence lives
- STEP-1 quality-of-life endpoint
- The full GLP-1 glossary (149 terms, 8 categories)
- Research articles — written from primary sources
- Tools and calculators
- Compare GLP-1 telehealth providers