UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000046703
Receipt number R000053277
Scientific Title Study on insufficient weight loss after sleeve gastrectomy: A multicentre retrospective study
Date of disclosure of the study information 2022/01/23
Last modified on 2022/01/23 19:30:53

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Basic information

Public title

Study on insufficient weight loss after sleeve gastrectomy: A multicentre retrospective study

Acronym

Study on insufficient weight loss after sleeve gastrectomy

Scientific Title

Study on insufficient weight loss after sleeve gastrectomy: A multicentre retrospective study

Scientific Title:Acronym

Study on insufficient weight loss after sleeve gastrectomy

Region

Japan


Condition

Condition

obesity

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To clarify the factors that cause insufficient weight loss after sleeve gastrectomy.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Weight metrics at 1, 2, 3, 4, and 5 years after sleeve gastrectomy
Exercise and snack habits, nutrition, frequency of patient educations (preoperative, 1/3/6 months, and 1 year after surgery)

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

18 years-old <=

Age-upper limit

65 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients with obesity who underwent sleeve gastrectomy (LSG) at five institutions: Yotsuya Medical Cube, Tohoku University Hospital, Toho University Sakura Medical Center, Kansai Medical University Hospital, and Shiga University of Medical Science Hospital from January 1, 2011 to December 31, 2015, those who have passed 1 year after surgery

Key exclusion criteria

A person who has been offered to cancel the use of information in this research by the person or his / her substitute.

Not the first surgery for obesity

Those who are judged by the doctor in charge to be unsuitable for the examination

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Tsuyoshi
Middle name
Last name Yamaguchi

Organization

Shiga University of Medical Science

Division name

Department of Surgery

Zip code

520-2192

Address

Otsu-city, Seta, Tsukinowa-cho

TEL

+81775482238

Email

tsuyo@belle.shiga-med.ac.jp


Public contact

Name of contact person

1st name Tsuyoshi
Middle name
Last name Yamaguchi

Organization

Shiga University of Medical Science

Division name

Department of Surgery

Zip code

520-2192

Address

Otsu-city, Seta, Tsukinowa-cho

TEL

+81775482238

Homepage URL


Email

tsuyo@belle.shiga-med.ac.jp


Sponsor or person

Institute

Department of Surgery, Shiga University of Medical Science

Institute

Department

Personal name



Funding Source

Organization

JSPS KAKENHI Grant-in-Aid for Scientific Research

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Shiga University of Medical Science Research Ethics Committee

Address

Otsu-city, Seta, Tsukinowa-cho

Tel

0775483576

Email

hqrec@belle.shiga-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



Other administrative information

Date of disclosure of the study information

2022 Year 01 Month 23 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

2021 Year 09 Month 21 Day

Date of IRB

2021 Year 09 Month 27 Day

Anticipated trial start date

2021 Year 09 Month 28 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

Age, gender, height, weight (at first visit and before surgery), duration of obesity, comorbidity (presence / absence, duration)
Information on postoperative outcome, lifestyle, and patient education:
a. Weight metrics at 1/3/6 months and 1/2/3/4/5 years after surgery, follow-up rate at each time
b. Presence / absence and frequency of snacks and exercise before and 1/3/6 months and 1 year after surgery
c. Nutritional evaluation of dietary content before and 1/3/6 months, and 1 year after surgery (total calorie intake per day, protein intake, frequency of drinking, etc.)
d. Types and frequency of patient education before, 1/3/6 months, and 1 year after surgery
e. Shape of residual stomach within 3 days after surgery (4 classifications by oral contrast examination)
f. GERD evaluation (Los Angeles: LA classification), presence or absence of vomiting and other symptoms before and 1 year after surgery
g. Information on complications of obesity-related comobidities before and 1/2/3/4/5 years after surgery: hypertension (presence / absence and medication status), type 2 diabetes (presence / absence and medication status), dyslipidemia (presence / absence and medication status) presence / absence), sleep apnea syndrome (presence / absence), orthopedic disease (presence / absence), mental illness (presence / absence)
h. Additional information on preoperative and postoperative 1/2/3/4/5 years of type 2 diabetes: HbA1c (NGSP), insulin, C-peptide levels
i. Presence or absence of perioperative complications (Clavien-Dindo classification Grade III or higher)
j. Whether or not revision surgery was performed or considered, and timing and type of revision performed
k. Minimum postoperative body weight and the time after surgery


Management information

Registered date

2022 Year 01 Month 23 Day

Last modified on

2022 Year 01 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000053277


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name