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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05442918
Registration number
NCT05442918
Ethics application status
Date submitted
26/06/2022
Date registered
5/07/2022
Titles & IDs
Public title
Expected Normal Ketone Values After Very Low and Bariatric Surgery
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Scientific title
Expected Normal Ketone Values After Very Low and Bariatric Surgery
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Secondary ID [1]
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StVincentsMelbourne
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Diabetes Mellitus
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Ketoacidosis
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Condition category
Condition code
Diet and Nutrition
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0
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Other diet and nutrition disorders
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Metabolic and Endocrine
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0
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Other metabolic disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
General Surgery - All patients undergoing either elective laparoscopic/open cholecystectomy, laparoscopic/open hiatus hernia repair, laparoscopic/open inguinal hernia repair, laparoscopic/open umbilical hernia repair or laparoscopic ventral wall hernia repair.
Bariatric Surgery - Participants undergoing elective bariatric surgery (laparoscopic sleeve gastrectomy or roux-en-y gastric bypass). Those in the bariatric arm must have been on a VLCD pre operatively
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Blood ketone
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Assessment method [1]
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blood ketone levels
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Timepoint [1]
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Immediately prior to surgery, immediately post-surgery, daily until discharge until up to 1 week
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Primary outcome [2]
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Venous blood gas levels
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Assessment method [2]
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Primary outcome measures are blood ketone, and venous blood gas levels.
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Timepoint [2]
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Immediately prior to surgery, immediately post-surgery, daily until discharge until up to 1 week
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Eligibility
Key inclusion criteria
General surgery group, undergoing the following elective surgeries:
* laparoscopic/open cholecystectomy
* laparoscopic/open hiatus hernia repair
* laparoscopic/open inguinal hernia repair
* laparoscopic/open umbilical hernia repair
* laparoscopic ventral wall hernia repair
Bariatric surgery group, undergoing the following elective surgeries and a very low calorie diet before surgery:
* laparoscopic sleeve gastrectomy
* laparoscopic roux-en-y gastric bypass
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Minimum age
18
Years
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Maximum age
90
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* currently on SLGT2 inhibitor
* non English speaking
* procedure abandoned
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
15/01/2020
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
12/12/2020
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Sample size
Target
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Accrual to date
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Final
55
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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St Vincent's Hospital Melbourne - Fitzroy
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Recruitment postcode(s) [1]
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3065 - Fitzroy
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Funding & Sponsors
Primary sponsor type
Other
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Name
St Vincent's Hospital Melbourne
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The investigators propose a multicenter prospective study in patients undergoing either an elective bariatric procedure or an elective benign procedure, including laparoscopic/open cholecystectomy, laparoscopic/open hiatus hernia repair, laparoscopic/open inguinal hernia repair, laparoscopic/open umbilical hernia repair or laparoscopic ventral wall hernia repair. Perioperative blood ketone and venous blood gas levels will be measured pre-surgery, post-surgery and on post-operative days until discharge. Our primary research objective is to clarify the expected perioperative ketone and blood gas levels in elective bariatric patients who have been on a VLCD and fasting for surgery, compared to elective surgical patients who have only been fasting prior to surgery.
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Trial website
https://clinicaltrials.gov/study/NCT05442918
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Michael Hii, FRACS
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Address
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St Vincent's Hospital Melbourne
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Undecided
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05442918