Concurrent Exercise Training

The goal of this clinical trial is to investigate the influence of morning versus evening concurrent training consisting of high-intensity interval training and resistance training on glycemic control in men with type 2 diabetes mellitus. The main questions it aims to answer are:

• Which time is best for concurrent exercise training in diabetic patients, morning or evening? Researchers will compare morning versus evening concurrent training consisting of HIIT and RT on glycemic control in men with type 2 diabetes mellitus.

Participants will:

* Perform concurrent training consisting of high-intensity interval training and resistance training for 12 weeks * Visit the clinic before and after the 12-week experimental period for checkups and tests

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Key information

Conditions

Typ 2 Diabetes Diabetes Mellitus Endocrine System Diseases Glucose Metabolism Disorders Metabolic Diseases Nutritional and Metabolic Diseases

Age range

40 year–60 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

men aged 40-60 years with a diagnosis of T2D
HbA1c levels between 7.0% and 9.0%
treatment with oral hypoglycemic agents for at least 6 months
a BMI <30 kg/m²
a physically inactive

Exclusion criteria

current insulin therapy
a cardiovascular event within the previous 6 months
cardiovascular, respiratory or musculoskeletal conditions that could limit participation in exercise training
body weight instability

Treatment and study plan

Exercise

Behavioral

Morning concurrent high-intensity interval training and resistance training

Primary outcomes

glycemic control

Time frame: baseline and at 12 weeks.

HbA1c

Secondary outcomes

lipid profile

Time frame: baseline and at 12 weeks

total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, and triglycerides
cardiorespiratory fitness

Time frame: at baseline and at 12 weeks

VO2peak

Sponsors and collaborators

Lead sponsor

Prince Sattam Bin Abdulaziz University

Other

Registry information

Official study title

The Impact of Morning Versus Evening Concurrent High-Intensity Interval Training and Resistance Training on Glycemic Control in in Men With Type 2 Diabetes Mellitus: A Randomized Controlled Trial

Acronym: T2D

Important dates

Study start: 2026
Primary completion: 2026
Study completion: 2026
First posted: Jun 5, 2026
Registry last updated: Jun 5, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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