UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062909
Receipt number R000072027
Scientific Title Effect of Repeated Subcutaneous NAD+ Injection on Sleep Quality Stratified by Baseline Sleep Status: A Single-Center Prospective Observational Study
Date of disclosure of the study information 2026/09/15
Last modified on 2026/09/14 10:21:20

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Basic information

Public title

Effect of Repeated Subcutaneous NAD+ Injection on Sleep Quality

Acronym

NAD+ Sleep Study

Scientific Title

Effect of Repeated Subcutaneous NAD+ Injection on Sleep Quality Stratified by Baseline Sleep Status: A Single-Center Prospective Observational Study

Scientific Title:Acronym

NAD+ Sleep Quality Observational Study

Region

Japan


Condition

Condition

Sleep disturbance

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate whether repeated subcutaneous NAD+ injection differentially affects sleep quality according to baseline sleep status.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

Change in PSQI (Pittsburgh Sleep Quality Index, modified version) Global Score from pre-dose to post-dose (Day1, Day3, Day7) of each course

Key secondary outcomes

Change in PSQI Question 6 (subjective sleep quality) score over time; Adverse events graded according to CTCAE v5.0


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Subcutaneous injection of 200 mg NAD+ dissolved in normal saline with lidocaine, administered to the abdomen or buttock, once every 2 weeks for three courses (6 weeks of total dosing).

Interventions/Control_2


Interventions/Control_3


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

20 years-old <=

Age-upper limit

80 years-old >

Gender

Male and Female

Key inclusion criteria

Adults aged 20 to 79 years with a self-reported sleep complaint (a non-symptomatic comparison subgroup was also enrolled following an ethics-committee-approved protocol amendment)

Key exclusion criteria

Severe hepatic impairment; pregnancy or breastfeeding; history of serious psychiatric illness; use of NMN or NAD+ within 1 month prior to enrollment.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Ryoki
Middle name
Last name Ohinata

Organization

Ohinata Clinic

Division name

Department of Internal Medicine

Zip code

0200114

Address

2-9-9 Takamatsu, Morioka-shi, Iwate, Japan

TEL

0196625530

Email

oohinataiin@gmail.com


Public contact

Name of contact person

1st name Ryoki
Middle name
Last name Ohinata

Organization

Ohinata Clinic

Division name

Department of Internal Medicine

Zip code

0200114

Address

2-9-9 Takamatsu, Morioka-shi, Iwate, Japan

TEL

08033159967

Homepage URL


Email

oohinataiin@gmail.com


Sponsor or person

Institute

Ohinata Clinic

Institute

Department

Personal name

Ohinata Clinic


Funding Source

Organization

Ohinata Clinic

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ohinata Clinic

Address

2-9-9 Takamatsu, Morioka-shi, Iwate, Japan

Tel

08033159967

Email

oohinataiin@gmail.com


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



Other administrative information

Date of disclosure of the study information

2026 Year 09 Month 15 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

20

Results

The symptomatic group (baseline PSQI Global Score >5, n=10) showed significantly greater improvement in sleep quality after NAD+ administration compared with the non-symptomatic group (n=10) (change from baseline to Day1 of Course 1: -3.8 vs -1.2 points, t-test p=0.0018). No serious adverse events occurred.

Results date posted

2026 Year 09 Month 14 Day

Results Delayed

Delay expected

Results Delay Reason

The manuscript is currently under preparation for submission to a peer-reviewed journal.

Date of the first journal publication of results


Baseline Characteristics

Twenty adults (14 women, 6 men), mean age 52.3 years (SD 10.9), mean BMI 22.2 (SD 3.4).

Participant flow

All 20 enrolled participants completed all three courses of dosing and observation; there were no dropouts.

Adverse events

Seventeen adverse events were reported via free text (Grade 1: 11 events; Grade 2: 6 events); no serious adverse events occurred.

Outcome measures

Primary outcome: PSQI Global Score. Secondary outcome: PSQI Question 6 score alone.

Plan to share IPD

Data are available from the corresponding author upon reasonable request.

IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2025 Year 06 Month 03 Day

Date of IRB

2025 Year 06 Month 25 Day

Anticipated trial start date

2025 Year 06 Month 03 Day

Last follow-up date

2026 Year 01 Month 16 Day

Date of closure to data entry

2026 Year 01 Month 16 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 09 Month 14 Day

Last modified on

2026 Year 09 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072027