Status:
COMPLETED
Optimal Frequency of High-Intensity Interval Training for Centrally Obese Adults
Lead Sponsor:
The University of Hong Kong
Conditions:
Obesity
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
The aim of this study is to examine the therapeutic effectiveness of two different exercise frequencies of high-intensity interval training (HIIT; once versus thrice weekly, with matched weekly exerci...
Detailed Description
HIIT is an emerging, popular, promising, cost-effective, and time-efficient exercise modality for managing obesity. Although lower-frequency HIIT is favorable for intervention adherence, the optimal e...
Eligibility Criteria
Inclusion
- Aged above 18 years
- Ethnic Chinese
- Overweight (BMI ≥23 for Asian)
- Centrally obese according to IDF and NCEP with Asian-specific cut-off (waist circumference ≥90 cm for males; ≥80 cm for females)
- Males and females
Exclusion
- Medical and somatic conditions that prevent brisk walking
- Chronic diseases affecting mobility and motor function (e.g., neurological disease, musculoskeletal disorder, spinal cord injury, autoimmune, arthritis, Parkinson's Disease)
- Chronic diseases affecting cardiorespiratory and metabolic health (e.g., cancers, cardio-/cerebrovascular diseases, heart disease, diabetes mellitus, pneumonia, chronic pulmonary diseases, nephritis, nephrosis)
- Signs of cardiac arrhythmia indicated by aberrant electrocardiography during incremental VO2max test
- Regular moderate-to-vigorous intensity exercise (≥150 min weekly) in the past 3 months, as screened by a specially designed questionnaire
- Daily smoking habit
- Excess alcohol consumption (daily ≥30g for men, ≥20g for women) in the past six months
- Claustrophobia
- Surgery, therapy or medication for obesity or weight loss in the past six months (e.g., gastric bypass, gastric band, sleeve gastrectomy, gastric reduction duodenal switch, and dietitian-prescribed dietary program)
Key Trial Info
Start Date :
September 1 2021
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
September 7 2024
Estimated Enrollment :
315 Patients enrolled
Trial Details
Trial ID
NCT04887454
Start Date
September 1 2021
End Date
September 7 2024
Last Update
March 30 2025
Active Locations (1)
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1
LKS Faculty of Medicine
Hong Kong, Hong Kong