UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056208
Receipt number R000064121
Scientific Title Changes in smoking behavior of pregnant women and their husbands using urinary cotinine measurements.
Date of disclosure of the study information 2025/01/01
Last modified on 2025/06/05 10:07:35

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Basic information

Public title

Changes in smoking behavior of pregnant women and their husbands using urinary cotinine measurements.

Acronym

Changes in smoking behavior using urinary cotinine measurements.

Scientific Title

Changes in smoking behavior of pregnant women and their husbands using urinary cotinine measurements.

Scientific Title:Acronym

Changes in smoking behavior using urinary cotinine measurements.

Region

Japan


Condition

Condition

environmental tobacco exposure

Classification by specialty

Obstetrics and Gynecology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate changes in smoking behavior, passive smoking status, and perceptions and thoughts about smoking tobacco products, including heated tobacco products, using feedback of urinary cotinine levels.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Husband (partner) smoking status and passive smoking status of pregnant women.

Key secondary outcomes

Knowledge, perceptions, and attitude toward smoking among pregnat women
Knowledge, perceptions, and attitude toward smoking among husband


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

No treatment

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

Notification of urinary cotinine levels to pregnant women and their husbands (partners) in the intervention group.

Interventions/Control_2

Provide documentation on the effects of passive smoking of tobacco products, including heated tobacco, to both intervention and control groups

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


Not applicable

Gender

Male and Female

Key inclusion criteria

Non smoking pregnant women with normal pregnancies who have undergone antenatal checkups and their husbands who are current smokers

Key exclusion criteria

Participants who have difficulty communication in Japanese
Participants who cannot obtain consent from pregnant women or their husbands
Participants who cannot complete three rounds of questionnaires and urinalysis

Target sample size

428


Research contact person

Name of lead principal investigator

1st name Hiromitsu
Middle name
Last name Shinozaki

Organization

Gunma University Graduate School of Health Sciences

Division name

Department of Nursing

Zip code

3710034

Address

3-39-22 Showa-machi, Maebashi-city

TEL

027-220-8970

Email

h_shinozaki@gunma-u.ac.jp


Public contact

Name of contact person

1st name Hiromitsu
Middle name
Last name Shinozaki

Organization

Gunma University Graduate School of Health Sciences

Division name

Department of Nursing

Zip code

3710034

Address

3-39-22 Showa-machi, Maebashi-city

TEL

027-220-8970

Homepage URL


Email

h_shinozaki@gunma-u.ac.jp


Sponsor or person

Institute

Gunma University Graduate School of Health Sciences

Institute

Department

Personal name



Funding Source

Organization

Gunma University Graduate School of Health Sciences

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Gunma University Graduate School of Health Sciences

Address

3-39-22 Showa-machi, Maebashi-city

Tel

027-220-8970

Email

h_shinozaki@gunma-u.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



Other administrative information

Date of disclosure of the study information

2025 Year 01 Month 01 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


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

Preinitiation

Date of protocol fixation

2024 Year 11 Month 20 Day

Date of IRB


Anticipated trial start date

2025 Year 01 Month 01 Day

Last follow-up date

2026 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

IRB application currently pending


Management information

Registered date

2024 Year 11 Month 20 Day

Last modified on

2025 Year 06 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064121