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Effects of Interrupting Prolonged Sitting With Different Standing Intervals on Vascular Health in Women

StatusCompleted
PhaseNot applicable
Started
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Record History

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  1. Trial completed Show 4 more changesShow less
    • Final enrollment: 21 participants (planned 24)
    • Primary completion date changed from estimate of Sep 20, 2026 to May 20, 2026
    • Eligibility criteria expanded, about 8 words
    • Site details revised
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this clinical trial is to examine the effects of interrupting prolonged sitting with different standing intervals on vascular health in healthy women aged 18-45 years. The main questions it aims to answer are: Does interrupting prolonged sitting with short standing intervals (10 minutes every hour) improve blood pressure and pulse wave velocity more than prolonged continuous standing intervals (30 minutes every hour)? Does interrupting prolonged sitting with prolonged intermittent standing intervals (30 minutes every hour divided into three 10-minute standing bouts) improve blood pressure and pulse wave velocity more than prolonged continuous standing intervals (30 minutes every hour)? The researcher will compare three different sitting interruption conditions to evaluate their effects on vascular health outcomes: Standing for 10 minutes every hour. Continuous standing for 30 minutes every hour. Intermittent standing for 30 minutes every hour divided into three 10-minute standing bouts. Participants will: Attend three experimental sessions in random order separated by at least 7 days. Complete 3 hours of sitting with different standing interruption protocols. Undergo measurements of blood pressure, pulse wave velocity, and heart rate before sitting and after each hour of the experiment. Undergo height, weight, and body mass index measurements.
Trial Details
NCT Number NCT07802574
Lead Sponsor King Saud University
Conditions
(from sponsor)		 Prolonged Sitting, Vascular Health, Sedentary Behavior
Related terms Sedentary Behavior
Enrollment 21 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov