UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000049052
Receipt number R000055884
Scientific Title Exploratory study of a new phenotyping method for the evaluation of CYP1A2 activity
Date of disclosure of the study information 2022/10/01
Last modified on 2023/03/30 09:21:02

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Basic information

Public title

Development of a method to evaluate the function of metabolizing enzyme CYP1A2

Acronym

Development of evaluation method for metabolizing enzyme CYP1A2

Scientific Title

Exploratory study of a new phenotyping method for the evaluation of CYP1A2 activity

Scientific Title:Acronym

Exploratory study to evaluate CYP1A2 activity

Region

Japan


Condition

Condition

healthy subject

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

In this study, we validate a new phenotyping method using the metabolism of melatonin to 6-hydroxymelatonin by CYP1A2.

Basic objectives2

PK,PD

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Melatonin pharmacokinetic parameters (melatonin 6-hydroxy metabolic clearance, plasma 6-hydroxy melatonin/melatonin ratio)

Key secondary outcomes

Caffeine pharmacokinetic parameters (caffeine clearance, plasma caffeine/paraxanthine ratio)


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Diagnosis

Type of intervention

Food

Interventions/Control_1

Caffeine intake from food

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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Persons who have given consent for this study

Key exclusion criteria

1) Persons who do not consume caffeine-containing products (coffee, tea, soft drinks) on a daily basis (2 to 3 times a week).
2) Persons who have experienced adverse reactions (palpitations, nausea, etc.) to caffeine-containing products (coffee, tea, soft drinks). Persons who are allergic to caffeine
3) Persons who have ever felt sick from blood sampling.
4) Persons who are under medical treatment, pregnant women or those who are thought to be pregnant or nursing
5) Persons who have subjective symptoms of hyperacidity on interview, persons who have been diagnosed with heart disease or gastric ulcer

Target sample size

18


Research contact person

Name of lead principal investigator

1st name Akitomo
Middle name
Last name Yokokawa

Organization

School of Pharmacy, Tokyo University of Pharmacy and Life Sciences

Division name

Laboratory of Clinical Chemistry and Experimental Therapeutics

Zip code

192-0392

Address

1432-1 Horinouchi, Hachioji, Tokyo

TEL

042-676-5803

Email

yokokawa@toyaku.ac.jp


Public contact

Name of contact person

1st name Akitomo
Middle name
Last name Yokokawa

Organization

School of Pharmacy, Tokyo University of Pharmacy and Life Sciences

Division name

Laboratory of Clinical Chemistry and Experimental Therapeutics

Zip code

192-0392

Address

1432-1 Horinouchi, Hachioji, Tokyo

TEL

042-676-5803

Homepage URL


Email

yokokawa@toyaku.ac.jp


Sponsor or person

Institute

Tokyo University of Pharmacy and Life Sciences

Institute

Department

Personal name



Funding Source

Organization

None

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

Human Subjects Review Board of the Tokyo University of Pharmacy and Life Sciences

Address

1432-1 Horinouchi, Hachioji, Tokyo

Tel

042-676-5111

Email

rinri-office-ml@toyaku.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

2022 Year 10 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

Open public recruiting

Date of protocol fixation

2022 Year 05 Month 27 Day

Date of IRB

2022 Year 06 Month 27 Day

Anticipated trial start date

2022 Year 10 Month 01 Day

Last follow-up date

2025 Year 08 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

2022 Year 09 Month 28 Day

Last modified on

2023 Year 03 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000055884


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name