UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000043793
Receipt number R000049404
Scientific Title Randomized controlled trial for postoperative motor and cognitive improvement by maintaining mild hypercapnia during general anesthesia
Date of disclosure of the study information 2021/04/01
Last modified on 2023/01/30 13:01:09

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Basic information

Public title

Prospective study for postoperative motor and cognitive improvement by maintaining mild hypercapnia during general anesthesia

Acronym

Effects of mild hypercapnia on postoperative motor and cognitive function

Scientific Title

Randomized controlled trial for postoperative motor and cognitive improvement by maintaining mild hypercapnia during general anesthesia

Scientific Title:Acronym

Effects of mild hypercapnia on postoperative motor and cognitive function

Region

Japan


Condition

Condition

Patients undergoing open abdominal surgery under general anesthesia

Classification by specialty

Anesthesiology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

We investigate that intraoperative mild hypercapnia improves postoperative cognitive and motor function

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Grip strength fluctuation rate on the 7th day after surgery (grip strength on the 7th day after surgery / preoperative grip strength)

Key secondary outcomes

Grip strength the day after surgery, incidence of delirium, MMSE score 7 days after surgery


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

No treatment

Stratification

YES

Dynamic allocation

YES

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

mild hypercapnia

Interventions/Control_2

normocapnia

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

60 years-old <=

Age-upper limit

100 years-old >=

Gender

Male and Female

Key inclusion criteria

open abdominal surgery patient

Key exclusion criteria

1. Laparoscopic surgery patients
2. Patients with pulmonary hypertension
3. Obstructive lung disease
4. Patients with congenital heart disease
5. Patients with high intracranial pressure
6.Patients with other pathological conditions exacerbated by hypercapnia
7.Patients who used benzodiazepines the day before or during surgery
8.Patients diagnosed with cognitive dysfunction before surgery
9.Patients with difficult epidural insertion
10.Patients whose grip strength measurement is difficult due to physical reasons
11.Emergency surgery
12.State with data loss
13.Patients judged by the principal investigator to be inappropriate as subjects

Target sample size

120


Research contact person

Name of lead principal investigator

1st name Kyongsuk
Middle name
Last name Son

Organization

Chiba university hospital

Division name

Department of anesthesiology

Zip code

2608677

Address

1-8-1inohana, chuuou-ku, chiba-shi

TEL

0432227171

Email

kyong0203suk@yahoo.co.jp


Public contact

Name of contact person

1st name Kyongsuk
Middle name
Last name Son

Organization

Chiba university hospital

Division name

Department of anesthesiology

Zip code

2608677

Address

1-8-1inohana, chuuou-ku, choba-shi

TEL

0432227171

Homepage URL


Email

adya5599@chiba-u.jp


Sponsor or person

Institute

Chiba university

Institute

Department

Personal name



Funding Source

Organization

Japan Society for the Promotion of Science

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor

MinebeaMitsumi Inc.

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Graduate School of Medicine, Chiba University

Address

1-8-1inohana, chuuou-ku, chiba-shi

Tel

0432227171

Email

igaku-rinri@office.chiba-u.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

2021 Year 04 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

2021 Year 02 Month 02 Day

Date of IRB

2021 Year 02 Month 02 Day

Anticipated trial start date

2021 Year 04 Month 10 Day

Last follow-up date

2023 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete

2023 Year 01 Month 24 Day

Date analysis concluded



Other

Other related information



Management information

Registered date

2021 Year 03 Month 31 Day

Last modified on

2023 Year 01 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000049404


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name