UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000041014
Receipt number R000046836
Scientific Title Study of the therapeutic effects of bariatric surgery for severe obesity
Date of disclosure of the study information 2020/08/01
Last modified on 2020/07/06 15:03:17

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Basic information

Public title

Study of the therapeutic effects of bariatric surgery for severe obesity

Acronym

Study of the therapeutic effects of bariatric surgery for severe obesity

Scientific Title

Study of the therapeutic effects of bariatric surgery for severe obesity

Scientific Title:Acronym

Study of the therapeutic effects of bariatric surgery for severe obesity

Region

Japan


Condition

Condition

severe obesity

Classification by specialty

Endocrinology and Metabolism

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The purpose of this study is to elucidate the pathology of obesity by evaluating the body composition, insulin resistance, and humoral factors before and after bariatric surgery in patients undergoing briatric surgery for severe obesity.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

To examine changes in insulin resistance index by glucose clamp test before and after bariatric surgery.

Key secondary outcomes



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

Prevention

Type of intervention

Other

Interventions/Control_1

Glucose clamp tests are performed before bariatric surgery and 6 months after surgery.

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

65 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients undergoing obesity reduction surgery who obtained consent to participate in the study.

Key exclusion criteria

Patients who violate any of the following are excluded from this study.
1) Diabetes patients with etiology other than type 2 diabetes
2) Patients with a history of severe ketosis, diabetic coma or precoma within the past 6 months.
3) Patients with severe infections and serious trauma
4) Pregnant women or women who may be pregnant and breast-feeding patients
5) Patients with severe liver dysfunction
6) Patients with moderate or higher renal dysfunction or end-stage renal failure on dialysis
7) Patients with heart failure (NYHA classification II-IV)
8) Patients with serious mental illness
9) Patients with a history of hypersensitivity to insulin
10) Obese patients due to abnormal endocrine hormones
11) Patients treated with steroid hormones
12) Patients who are not suitable for study participation because of medical reasons

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Yohei
Middle name
Last name Fujioka

Organization

Tottori University Faculty of Medicine

Division name

Division of Cardiovascular Medicine and Endocrinology and Metabolism

Zip code

6838504

Address

36-1, NIshi-cho, Yonago, Tottori

TEL

0859386517

Email

yohei_0201@tottori-u.ac.jp


Public contact

Name of contact person

1st name Yohei
Middle name
Last name Fujioka

Organization

Tottori University Faculty of Medicine

Division name

Division of Cardiovascular Medicine and Endocrinology and Metabolism

Zip code

6838504

Address

36-1, NIshi-cho, Yonago, Tottori

TEL

0859386517

Homepage URL


Email

yohei_0201@tottori-u.ac.jp


Sponsor or person

Institute

Tottori University Faculty of Medicine, Division of Cardiovascular Medicine and Endocrinology and Me

Institute

Department

Personal name



Funding Source

Organization

Tottori University Faculty of Medicine, Division of Cardiovascular Medicine and Endocrinology and Me

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

Certified Review Board, Tottori University Hospital

Address

36-1, NIshi-cho, Yonago, Tottori

Tel

0859387021

Email

cert.office@ml.med.tottori-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

2020 Year 08 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

2020 Year 05 Month 01 Day

Date of IRB


Anticipated trial start date

2020 Year 08 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



Management information

Registered date

2020 Year 07 Month 06 Day

Last modified on

2020 Year 07 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046836


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name