UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000043232
Receipt number R000049336
Scientific Title Elucidation of the mechanism of changes in plasma thyroxine levels based on quantitative evaluation of OATP1B transport activity during pregnancy
Date of disclosure of the study information 2021/02/02
Last modified on 2021/02/02 19:29:02

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Basic information

Public title

Elucidation of the mechanism of changes in plasma thyroxine levels based on quantitative evaluation of OATP1B transport activity during pregnancy

Acronym

Changes in plasma thyroxine levels during pregnancy

Scientific Title

Elucidation of the mechanism of changes in plasma thyroxine levels based on quantitative evaluation of OATP1B transport activity during pregnancy

Scientific Title:Acronym

Changes in plasma thyroxine levels during pregnancy

Region

Japan


Condition

Condition

Pregnant women

Classification by specialty

Obstetrics and Gynecology

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The aim of this study is to explore mechanisms of changes in thyroxin levels during pregnancy.

Basic objectives2

PK,PD

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The plasma concentrations of OATP1B biomarkers during pregnancy

Key secondary outcomes



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

16 years-old <=

Age-upper limit


Not applicable

Gender

Female

Key inclusion criteria

1. Perinatal women
2. Patients from whom written informed consent was obtained

Key exclusion criteria

1.Patients assessed as inappropriate for the study enrollment by the attending physician

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Junichi
Middle name
Last name Kawakami

Organization

Hamamatsu University School of Medicine

Division name

Department of Hospital pharmacy

Zip code

431-3192

Address

1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka

TEL

053-435-2763

Email

pharmacyham-adm@umin.ac.jp


Public contact

Name of contact person

1st name Takafumi
Middle name
Last name Naito

Organization

Hamamatsu University School of Medicine

Division name

Department of Hospital pharmacy

Zip code

431-3192

Address

1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka

TEL

053-435-2763

Homepage URL


Email

naitou@hama-med.ac.jp


Sponsor or person

Institute

Department of Hospital Pharmacy, Hamamatsu University School of Medicine

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

Ethics Committee of Hamamatsu University School of Medicine

Address

Handayama, Hamamatsu 431-3192

Tel

053-435-2111

Email

rinri@hama-med.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

浜松医科大学医学部附属病院(静岡県)


Other administrative information

Date of disclosure of the study information

2021 Year 02 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


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

Enrolling by invitation

Date of protocol fixation

2019 Year 12 Month 09 Day

Date of IRB

2019 Year 12 Month 11 Day

Anticipated trial start date

2019 Year 12 Month 09 Day

Last follow-up date

2024 Year 11 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Study design: Observational study
Object recruitment: Perinatal women who visit our hospital from December 2019 to November 2024
Primary outcome:
1. Evaluation of activity of OATP1B transport based on validation of OATP1B biomarkers
2. Measurement of plasma thyroxine
Secondary outcome:
1. Pathology
2. Patient characteristics
3. Concomitant drug
4.Laboratory values, hormones related to pregnancy
5.Genetic variants of OATP1B
6.Micro RNA related to OATP1B activity
7.Metabolic enzymes related to activation of thyroid hormones
8.Vital sign
9. Adverse effects


Management information

Registered date

2021 Year 02 Month 02 Day

Last modified on

2021 Year 02 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000049336


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name