UMIN-ICDS Clinical Trial
| Unique ID issued by UMIN | UMIN000060245 |
|---|---|
| Receipt number | R000068908 |
| Scientific Title | Effects of the Interval between Task Acquisition and Sleep Onset on Motor Learning Retention |
| Date of disclosure of the study information | 2026/01/02 |
| Last modified on | 2026/01/02 21:03:46 |
* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments
Basic information
Public title
Effects of the interval between task acquisition and sleep onset and bedtime on motor skill retention
Acronym
Effects of the interval between task acquisition and sleep onset and bedtime on motor skill retention
Scientific Title
Effects of the Interval between Task Acquisition and Sleep Onset on Motor Learning Retention
Scientific Title:Acronym
Effects of the Interval between Task Acquisition and Sleep Onset on Motor Learning Retention
Region
| Japan |
Condition
Condition
Healthy adults
Classification by specialty
| Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To examine, in healthy adults under ecologically valid sleep conditions, whether the interval between skill learning and sleep onset (6 h vs 8 h) and bedtime (22:00 vs 00:00) influence motor skill retention on the next day and one week later.
Basic objectives2
Others
Basic objectives -Others
motor skill retention
Trial characteristics_1
Exploratory
Trial characteristics_2
Pragmatic
Developmental phase
Not applicable
Assessment
Primary outcomes
Motor skill retention rate on day 2: retention rate (%) calculated from day-2 performance (RMSE) relative to the day-1 post-test
Key secondary outcomes
1) Motor skill retention rate on day 7
2) Actigraphy-derived sleep parameters over 2 weeks (bedtime, wake-up time, TRT, TST, REM, non-REM, WASO, sleep efficiency)
3) Subjective sleep measures (PSQI-J, JESS)
Base
Study type
Interventional
Study design
Basic design
Parallel
Randomization
Randomized
Randomization unit
Individual
Blinding
Single blind -investigator(s) and assessor(s) are blinded
Control
Dose comparison
Stratification
NO
Dynamic allocation
YES
Institution consideration
Blocking
NO
Concealment
Numbered container method
Intervention
No. of arms
3
Purpose of intervention
Educational,Counseling,Training
Type of intervention
| Behavior,custom |
Interventions/Control_1
G1: 6h learning to sleep interval. Sleep 22:00 to 05:00 (7h).
Day 1: pinch force tracking task, 15 blocks (pre 1 + training 13 + post 1).
Days 2 and 7: retention test, 1 block each. Sleep monitored by actigraphy for 2 weeks.
Interventions/Control_2
G2: 8h learning to sleep interval. Sleep 00:00 to 07:00 (7h). Other procedures same as G1.
Interventions/Control_3
G3 (control): 6h learning to sleep interval (same as G1) but sleep 00:00 to 07:00 (same as G2) to control for sleep onset time. Other procedures same as G1.
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 18 | years-old | <= |
Age-upper limit
| 30 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
- Healthy adults aged 18 to 30 years
- No history of musculoskeletal disease and no upper limb injury within the past year
- No current or previous history of central nervous system disease, sleep disorder, or psychiatric disorder (screened by interview/questionnaires)
- Able to provide written informed consent and comply with the study procedures including sleep schedule control
Key exclusion criteria
- Not meeting the inclusion criteria
- Deemed inappropriate by the investigator (e.g., unable to wear the actigraphy device or adhere to the assigned sleep schedule)
(Discontinuation: discovery of relevant history, deviation from assigned sleep schedule confirmed by actigraphy, health problems, or withdrawal of consent)
Target sample size
60
Research contact person
Name of lead principal investigator
| 1st name | Tomofumi |
| Middle name | |
| Last name | Yamaguchi |
Organization
Juntendo University
Division name
Department of Physical Therapy
Zip code
113-8421
Address
3-2-12 Hongo, Bunkyo-ku, Tokyo
TEL
03-3812-1780
t.yamaguchi.ja@juntendo.ac.jp
Public contact
Name of contact person
| 1st name | Kotaro |
| Middle name | |
| Last name | Kawashima |
Organization
Juntendo University
Division name
Department of Physical Therapy
Zip code
113-0033
Address
3-2-12 Hongo, Bunkyo-ku, Tokyo
TEL
03-3812-1780
Homepage URL
fhs8323008@juntendo.ac.jp
Sponsor or person
Institute
Juntendo University
Institute
Department
Personal name
Funding Source
Organization
Juntendo University
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Japan
Other related organizations
Co-sponsor
ACCELStars Co., Ltd. (in-kind support: actigraphy device provided free of charge)
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Research Ethics Committee, Faculty of Health Sciences, Juntendo University
Address
Ochanomizu Center Building, 3-2-12 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
Tel
03-3812-1780
fhs8323008@juntendo.ac.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Juntendo University
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 01 | Month | 02 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
39
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Completed
Date of protocol fixation
| 2023 | Year | 07 | Month | 18 | Day |
Date of IRB
| 2023 | Year | 07 | Month | 18 | Day |
Anticipated trial start date
| 2023 | Year | 07 | Month | 18 | Day |
Last follow-up date
| 2025 | Year | 03 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Management information
Registered date
| 2026 | Year | 01 | Month | 02 | Day |
Last modified on
| 2026 | Year | 01 | Month | 02 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068908
