The role of nutrition timing system in the interactive effects of interval training and amino acids supplementation on metabolic fitness, cerebral hemodynamics, and cognitive functions (Part 1)

The role of nutrition timing system in the interactive effects of interval training and amino acids supplementation on metabolic fitness, cerebral hemodynamics, and cognitive functions (Part 1) - Impacts of varied interval exercise models on cerebral hemodynamic, metabolic, and cognitive profiles

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034156

Enrollment

Registered

2018-09-15

Start date

2018-07-12

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The healthy adults who routinely take exercise.

Interventions

Sedentary resting control (participant sitting for resting during entire experiment period) Interval exercise model #1: complete 5 cycles of interval exercise (each cycle consists of 4 min at 90% indi

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Subjects who are judged as healthy by self-reported health questionnaire. 2. Subjects who routinely take exercise. 3. Subjects who have no clinical skeletomuscular problems within 12-weeks prior to the study. 4. Subjects who agree to participate in this study with a written informed consent after receiving sufficient explanation relating to this study.

Exclusion criteria

Exclusion criteria: 1. Subjects with respiratory, gastrointestinal, hepatic/gallbladder/pancreatic, cardiovascular and/or mental disease, or who have history of those diseases. 2. Subjects who can't take exercise tolerance by bicycle ergometer. 3. Subjects who have a serious injury or surgical history within 12 weeks prior to this study. 4. Subjects who regularly take drugs, foods for specified health uses, foods with function claims and/or supplements, etc. which would affect this study. 5. Subjects who have cognitive disorder or who have possibility of the disorder. 6. Subjects who are judged as unsuitable for this study by the principal investigator or subinvestigators.

Design outcomes

Primary

Measure	Time frame
Cerebral blood flow/hemodynamic profiles, cognitive task performance,glycemic metabolites analysis, cognitive/exercise related biochemical examination of blood.	—

Secondary

Measure	Time frame
1. Fatigue related scales (VAS, modified Borg scale) 2. Heart rate response 3. Energy expenditure during exercise 4. Cognitive and exercise related biochemical examinations of blood	—

Countries

Asia(except Japan)

Contacts

Public ContactYi-Hung Liao

National Taipei University of Nursing and Health Sciences Department of Exercise and Health Science

yihungliao.henry@gmail.com+886228227101

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026