Tokyo, Oct. 19 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000063291) titled 'A study on the effects of bright light on biological clock and cognitive
function' on Oct. 19.
Study Type:
Interventional
Study Design:
Basic Design - Cross-over
Randomization - Randomized
Blinding - Open -no one is blinded
Control - No treatment
Primary Sponsor:
Institute - Waseda University
Condition:
Condition - N/A
Classification by malignancy - Others
Genomic information - NO
Objective:
Narrative objectives1 - The aim of the present study is to investigate the effects of bright light on circadian rhythm and executive function in undergraduate and graduate students using core body temperature and cognitive tasks.
Basic objectives2 - Efficacy
Intervention:
Interventions/Control_1 - Light irradiation using a bright light irradiation device(30min)
Interventions/Control_2 - Core body temperature measurement (during sleep, approximately 7 hours)
Eligibility:
Age-lower limit - 18
years-old
=
Gender - Male and Female
Key inclusion criteria - 1. Healthy men and women aged 18 to 25 years at the time of obtaining consent
2. Those who have received sufficient explanation about participation in the study, fully understand it, and have provided written consent of their own free will
Key exclusion criteria - 1) Individuals currently undergoing regular medical visits or taking medication for conditions such as mental disorders or sleep disorders
2) Individuals currently receiving treatment for physical illnesses or injuries
3) Individuals with a history of eye disease
4) Individuals with a history of gastrointestinal disease or abdominal surgery
5) Individuals with swallowing disorders
6) Individuals scheduled to undergo procedures involving electromagnetic waves (such as MRI) on the day of the experiment or the following day
7) Individuals who have previously experienced problems when taking capsules
Target Size - 20
Recruitment Status:
Recruitment status - Preinitiation
Date of protocol fixation - 2026 Year 07 Month 01 Day
Date of IRB - 2026 Year 10 Month 09 Day
Anticipated trial start date - 2026 Year 10 Month 25 Day
Last follow-up date - 2028 Year 03 Month 31 Day
To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072446
Disclaimer: Curated by HT Syndication.