UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056842
Receipt number R000064464
Scientific Title Comparison of the Greenhouse Effects of Gases Used in Operating Rooms: Anesthetic Desflurane vs. Surgical Insufflation Carbon Dioxide
Date of disclosure of the study information 2025/02/01
Last modified on 2025/07/29 16:33:46

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Basic information

Public title

Comparison of the Greenhouse Effects of Gases Used in Operating Rooms: Anesthetic Desflurane vs. Surgical Insufflation Carbon Dioxide

Acronym

Comparison of the Greenhouse Effects of Gases Used in Operating Rooms: Anesthetic Desflurane vs. Surgical Insufflation Carbon Dioxide

Scientific Title

Comparison of the Greenhouse Effects of Gases Used in Operating Rooms: Anesthetic Desflurane vs. Surgical Insufflation Carbon Dioxide

Scientific Title:Acronym

Comparison of the Greenhouse Effects of Gases Used in Operating Rooms: Anesthetic Desflurane vs. Surgical Insufflation Carbon Dioxide

Region

Japan


Condition

Condition

Cholecystitis

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to measure the amount of desflurane and insufflation carbon dioxide used in the operating room and to examine their impact as greenhouse gases. By doing so, we aim to evaluate which gases should be reduced to prevent global warming in the operating room setting. The target disease for this study is cholecystitis requiring laparoscopic cholecystectomy.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The amount of desflurane used and the amount of carbon dioxide used for insufflation during laparoscopic cholecystectomy for cholecystitis

Key secondary outcomes

Surgical time
Anesthesia time
Insufflation time
Blood loss
Fluid balance (Input and Output)
Ventilation settings
Fresh gas flow rate


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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients aged 20 years or older at the time of informed consent, with an ASA class 1 or 2 status.
Patients scheduled for laparoscopic cholecystectomy.
Patients who have provided written informed consent from themselves or their legal representative.
Patients scheduled to receive general anesthesia alone or general anesthesia combined with epidural anesthesia.

Key exclusion criteria

Patients deemed unsuitable for anesthesia management with inhalational anesthetics.
Other patients whom the attending physician deems inappropriate for participation in this study.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Hiroshi
Middle name
Last name Kondo

Organization

National Hospital Organization Higashihiroshima Medical Center

Division name

Anesthesiology

Zip code

7390041

Address

513, Jike, Saijo-cho, Higashihiroshima-shi, Hiroshima, Japan

TEL

082-423-2176

Email

h.kondo1986@gmail.com


Public contact

Name of contact person

1st name Hiroshi
Middle name
Last name Kondo

Organization

National Hospital Organization Higashihiroshima Medical Center

Division name

Anesthesiology

Zip code

7390041

Address

513, Jike, Saijo-cho, Higashihiroshima-shi, Hiroshima, Japan

TEL

082-423-2176

Homepage URL


Email

h.kondo1986@gmail.com


Sponsor or person

Institute

National Hospital Organization Higashihiroshima Medical Center

Institute

Department

Personal name



Funding Source

Organization

No funding organization

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

National Hospital Organization Higashihiroshima Medical Center

Address

513, Jike, Saijo-cho, Higashihiroshima-shi, Hiroshima, Japan

Tel

082-423-2176

Email

h.kondo1986@gmail.com


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

2025 Year 02 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

No longer recruiting

Date of protocol fixation

2025 Year 01 Month 01 Day

Date of IRB

2025 Year 01 Month 10 Day

Anticipated trial start date

2025 Year 02 Month 01 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Ethical Review Information
Approval Status: Approved
Approval Number: 2074-73
Approval Date: January 10, 2025
Approving Institution: Higashihiroshima Medical Center
Conflict of Interest (COI) Information
Conflict of Interest: None
Comments: There are no conflicts of interest among the investigators or related parties.


Management information

Registered date

2025 Year 01 Month 28 Day

Last modified on

2025 Year 07 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064464