🏛️ Verified NIH Record • Updated 2026-07-28
Timing Intervention of Morning Versus Evening Exercise (NCT05153252)
Does When You Exercise Matter? A Randomized Trial Comparing the Effect of Morning Versus Evening Aerobic Exercise on Weight Loss and Compensatory Behaviors
🔵 Active, Not Recruiting Observational / Diagnostic 🧠 Behavioral & Psychological Program Sponsor: University of Colorado, Denver
🩺 Plain-English Summary (8th-Grade Level)
The investigators are doing this study to learn more about how exercising at different times of the day (morning versus evening) affects body weight, sleep, eating patterns, and other factors.
Who can join: Review the eligibility criteria below.
Location: University of Colorado Anschutz Medical Campus — Aurora, Colorado
Age range: 18 Years to 55 Years
🧪 Interventions in This Study
- Morning Exercise (BEHAVIORAL)
- Evening Exercise (BEHAVIORAL)
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- University of Colorado Anschutz Medical Campus — Aurora, Colorado
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.