UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000051136
Receipt number R000058304
Scientific Title Association of cigarette smoking habits and total serum bilirubin on inflammation
Date of disclosure of the study information 2023/06/01
Last modified on 2024/01/22 12:17:11

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Basic information

Public title

Habitual cigarette smoking may be associated with a lower total serum bilirubin level leading to higher inflammation: A cross-sectional study

Acronym

Association of cigarette smoking habits and total serum bilirubin on inflammation

Scientific Title

Association of cigarette smoking habits and total serum bilirubin on inflammation

Scientific Title:Acronym

Association of cigarette smoking habits and total serum bilirubin on inflammation

Region

Japan


Condition

Condition

Participants receiving annual health check

Classification by specialty

Medicine in general Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study aims to examine total serum bilirubin (TSB) levels in smokers and the association between TSB and inflammatory markers using a cross-sectional study approach in health screening participants with no history of atherosclerotic cardiovascular disease (ASCVD).

Basic objectives2

Others

Basic objectives -Others

The secondary purpose is to investigate the relationship between unhealthy lifestyle habits related to cigarette smoking habits and TSB.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The primary endpoint is the relationship between cigarette smoking habits and TSB.

Key secondary outcomes

The secondary endpoint is the relationship between unhealthy lifestyle habits related to cigarette smoking habits and TSB.


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

This cross-sectional study focused on the primary prevention of ASCVD, examining the relationship between fish consumption, lifestyle, TSB, and inflammation. Among 11,678 Japanese individuals over 20 years who underwent annual health checkups between April 2019 and March 2020 at the Health Planning Center of Nihon University Hospital.

Key exclusion criteria

unwillingness to provide informed consent for participation, positive history of ASCVD, C-reactive protein (CRP)levels more than 2.0 mg/dL, the presence of hepatitis B virus surface antigen, hepatitis C antibodies, hepatic cirrhosis, hepatocellular carcinoma, and metastatic liver cancer or no measurement of leukocyte and leucocyte subclass count, CRP levels, and TSB levels. We also excluded participants with TSB levels of more than 2.0 mg/dL to exclude constitutional jaundice as much as possible.

Target sample size

10000


Research contact person

Name of lead principal investigator

1st name Shigemasa
Middle name
Last name Tani

Organization

Nihon University Hospital

Division name

Health Planning Center

Zip code

101-8309

Address

1-6 Kandasurugadai, chiyodaku, Tokyo, Japan

TEL

0332931711

Email

tani.shigemasa@nihon-u.ac.jp


Public contact

Name of contact person

1st name Shigemasa
Middle name
Last name Tani

Organization

Nihon University Hospital

Division name

Health Planning Center

Zip code

101-8309

Address

Kandasurugadai 1-6, Chiyodaku

TEL

0332931711

Homepage URL


Email

tani.shigemasa@nihon-u.ac.jp


Sponsor or person

Institute

Nihon University Hospital

Institute

Department

Personal name

Shigemasa Tani


Funding Source

Organization

Nihon University Hospital

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

Nihon University Hospital IRB

Address

1-6 Kandasurugadai, chiyodaku

Tel

0332931711

Email

tani.shigemasa@nihon-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

2023 Year 06 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

Completed

Date of protocol fixation

2022 Year 04 Month 01 Day

Date of IRB

2023 Year 06 Month 08 Day

Anticipated trial start date

2023 Year 06 Month 01 Day

Last follow-up date

2024 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This cross-sectional study focused on the primary prevention of ASCVD, examining the relationship between fish consumption, lifestyle, TSB, and inflammation. Among 11,678 Japanese individuals over 18 years who underwent annual health checkups between April 2019 and March 2020 at the Health Planning Center of Nihon University Hospital,


Management information

Registered date

2023 Year 05 Month 23 Day

Last modified on

2024 Year 01 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000058304


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name