UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000054654 |
|---|---|
| Receipt number | R000062453 |
| Scientific Title | The effect of volatile anesthesia on cesarean section bleeding under general anesthesia: a single-center retrospective observational study |
| Date of disclosure of the study information | 2024/06/14 |
| Last modified on | 2025/12/16 15:40:20 |
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Basic information
Public title
The effect of volatile anesthesia on cesarean section bleeding under general anesthesia: a single-center retrospective observational study
Acronym
The effect of volatile anesthesia on cesarean section bleeding under general anesthesia
Scientific Title
The effect of volatile anesthesia on cesarean section bleeding under general anesthesia: a single-center retrospective observational study
Scientific Title:Acronym
The effect of volatile anesthesia on cesarean section bleeding under general anesthesia
Region
| Japan |
Condition
Condition
Cesarean section under general anesthesia
Classification by specialty
| Obstetrics and Gynecology | Anesthesiology | Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To investigate whether the use of volatile anesthetics increases blood loss during cesarean section under general anesthesia using the University of Tsukuba perioperative data set, which includes information on the severity of placenta previa and laboratory results
Basic objectives2
Safety
Basic objectives -Others
Trial characteristics_1
Exploratory
Trial characteristics_2
Others
Developmental phase
Not applicable
Assessment
Primary outcomes
Cesarean section bleeding
Key secondary outcomes
Blood transfusion
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
| Not applicable |
Age-upper limit
| Not applicable |
Gender
Female
Key inclusion criteria
Patients who underwent cesarean section under general anesthesia at the University of Tsukuba Hospital between April 1, 2012 and March 31, 2023.
Key exclusion criteria
Patients who underwent hysterectomy for perforated placenta.
Patients with missing or erroneous data (supplemented by medical record data as much as possible).
Target sample size
300
Research contact person
Name of lead principal investigator
| 1st name | Nanako |
| Middle name | |
| Last name | Tamiya |
Organization
University of Tsukuba
Division name
Department of Health Services Research, Faculty of Medicine
Zip code
305-8575
Address
1-1-1 Tenno-dai, Tsukuba, Ibaraki, Japan
TEL
+81-(0)29-853-8849
hsr@md.tsukuba.ac.jp
Public contact
Name of contact person
| 1st name | Kensuke |
| Middle name | |
| Last name | Shimada |
Organization
University of Tsukuba
Division name
Tsukuba Clinical Research & Development Organization
Zip code
2-1-1
Address
2-1-1 Amakubo, Tsukuba, Ibaraki, Japan
TEL
+81-29-853-3914
Homepage URL
kensukeshimada.s@gmail.com
Sponsor or person
Institute
University of Tsukuba
Institute
Department
Personal name
Funding Source
Organization
None
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
University of Tsukuba Hospital
Address
2-1-1 Amakubo, Tsukuba, Ibaraki 305-8576, Japan
Tel
029-853-3914/+81-29-853-3914
kensukeshimada.s@gmail.com
Secondary IDs
Secondary IDs
YES
Study ID_1
R05-254
Org. issuing International ID_1
University of Tsukuba Hospital
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2024 | Year | 06 | Month | 14 | Day |
Related information
URL releasing protocol
Publication of results
Published
Result
URL related to results and publications
Number of participants that the trial has enrolled
276
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
| 2024 | Year | 04 | Month | 05 | Day |
Date of IRB
| 2024 | Year | 05 | Month | 02 | Day |
Anticipated trial start date
| 2024 | Year | 06 | Month | 14 | Day |
Last follow-up date
| 2027 | Year | 03 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
This study uses the dataset created by the "Large-scale observational study on the quality of perioperative care using perioperative dataset from the University of Tsukuba Hospital (R03-068)".
Management information
Registered date
| 2024 | Year | 06 | Month | 13 | Day |
Last modified on
| 2025 | Year | 12 | Month | 16 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000062453
