What this phase means
This study does not use the classic phase 1–4 drug ladder. It may be a device, a behavior program, a surgery timing study, or an early feasibility test.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Exercise training, or Control. The registry lists allocation as randomized. The prevalence of Vitamin D deficiency is significantly higher in adults with overweight/obesity compared to those with normal body mass index (body-mass index (BMI)).
They plan to enroll about 30 people at Trikala. Taking part typically means study visits and measurements plus check-ins.
Official title (unrewritten)
The Impact of Hybrid-type High-intensity Interval Training on Vitamin D Metabolism in Adults With Overweight/Obesity
Interventions: Exercise training, Control
Primary outcome (registry wording): Change in 25-hydroxyvitamin D concentration