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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06401746
Registration number
NCT06401746
Ethics application status
Date submitted
28/04/2024
Date registered
7/05/2024
Titles & IDs
Public title
Body Surface Gastric Mapping in Patients on Semaglutide
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Scientific title
Assessment of Gastric Function Using Body Surface Gastric Mapping in Patients on Semaglutide (Ozempic)
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Secondary ID [1]
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WS-GLP-001
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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:
Semaglutide-Induced Gastric Motility
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Gastroparesis
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Condition category
Condition code
Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Neurological
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Other neurological 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
Treatment: Devices - Gastric Alimetry
Semaglutide - Patients undergoing Body Surface Gastric Mapping before and after administration of Semaglutide.
Treatment: Devices: Gastric Alimetry
The Gastric Alimetryâ„¢ System is intended to record, store, view and process gastric myoelectrical activity as an aid in the diagnosis of various gastric disorders.
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Intervention code [1]
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Treatment: Devices
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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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Change in overall postprandial BSGM Gastric Alimetry Rhythm Index (minimum: 0; maximum: 1) on treatment compared to baseline (with a lower score meaning worse outcome).
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Assessment method [1]
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Timepoint [1]
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3 months
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Secondary outcome [1]
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Change in Gastroparesis Cardinal Symptom Index (minimum: 0; maximum: 5) scores on treatment compared to baseline (with a higher score meaning worse outcome).
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Assessment method [1]
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Timepoint [1]
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3 months
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Secondary outcome [2]
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Change in Patient Assessment of Upper Gastrointestinal Symptom Severity Index (minimum: 0; maximum: 5) scores on treatment compared to baseline (with a higher score meaning worse outcome).
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Assessment method [2]
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Timepoint [2]
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3 months
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Secondary outcome [3]
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Change in Patient Assessment of Upper GastroIntestinal Disorders-Quality of Life (minimum: 0; maximum: 5) scores on treatment compared to baseline (with a lower score meaning worse outcome).
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Assessment method [3]
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Timepoint [3]
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3 months.
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Secondary outcome [4]
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Change in 5-level EQ-5D (minimum: 0; maximum: 1) scores on treatment compared to baseline (with a lower score meaning worse outcome).
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Assessment method [4]
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Timepoint [4]
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3 months.
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Secondary outcome [5]
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Change in Patient Health Questionnaire -8 (minimum: 0; maximum: 24) scores on treatment compared to baseline (with a higher score meaning worse outcome).
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Assessment method [5]
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Timepoint [5]
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3 months.
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Secondary outcome [6]
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Change in General Anxiety Disorder-7 (minimum: 0; maximum: 21) scores on treatment compared to baseline (with a higher score meaning worse outcome).
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Assessment method [6]
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Timepoint [6]
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3 months.
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Secondary outcome [7]
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Change in Perceived Stress Scale-4 (minimum: 0; maximum: 4) scores on treatment compared to baseline (with a higher score meaning worse outcome).
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Assessment method [7]
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Timepoint [7]
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3 months.
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Secondary outcome [8]
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Correlation of postprandial BSGM Gastric Alimetry Rhythm Index (minimum: 0; maximum: 1) with symptom score (with a higher correlation meaning worse outcome).
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Assessment method [8]
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Symptoms scales are Gastroparesis Cardinal Symptom Index (minimum: 0; maximum: 5) and Patient Assessment of Upper Gastrointestinal Symptom Severity Index (minimum: 0; maximum: 5).
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Timepoint [8]
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3 months.
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Eligibility
Key inclusion criteria
* >18 years old
* No gastrointestinal symptoms based on Rome IV criteria
* For diabetics: Diagnosed T2DM (defined as HbA1c levels > 7%)
* For diabetics: Fasting blood glucose level < 15 mmol/L
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Current use of Ozempic, similar GLP-1 RAs or regular insulin in the last 3 months
* Confirmed gastroparesis on gastric emptying scintigraphy
* Pregnant or breast-feeding
* Inability to perform a BSGM test according to Indications for Use: history of severe skin allergies or sensitivity to cosmetics or lotions; chronically damaged or vulnerable epigastric skin (fragile skin, wounds, inflammation); unable to remain in a relaxed reclined position for the test duration.
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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
Recruiting
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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
1/05/2024
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Actual
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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
1/03/2025
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Actual
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Sample size
Target
15
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Western Sydney University - Campbelltown
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Recruitment postcode(s) [1]
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2560 - Campbelltown
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Western Sydney
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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University of Auckland, New Zealand
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
Glucagon-like receptor-1 agonists (GLP-1 RAs), such as Semaglutide (Ozempic), are a class of drugs used for glycemic control in diabetes, and for weight loss and management in obesity. It has been shown to delay gastric emptying and lead to gastrointestinal symptoms. However, the exact mechanisms are unknown. Alterations in gastric function, including myoelectrical activity, may be a likely mechanism of gastrointestinal side effects. Body Surface Gastric Mapping (BSGM) using the FDA-approved medical device Gastric Alimetry is a novel non-invasive diagnostic tool to assess gastric myoelectrical activity and patient-reported symptoms to achieve accurate non-invasive biomarkers of gastric dysfunction. A proof-of-principle case study of Ozempic using Gastric Alimetry showed abnormal gastric myoelectrical activity along with the development of severe bloating following the meal after 5 weeks of Ozempic use. This study will extend on this initial finding by conducting an exploratory pilot study to investigate the effects on gastric motility in patients with and without diabetes before and after Ozempic. It is hypothesized that Gastric Alimetry will show changes in gastric myoelectrical activity and symptoms in patients after being on the weekly injectable Ozempic compared to baseline.
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Trial website
https://clinicaltrials.gov/study/NCT06401746
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Trial related presentations / publications
Gharibans AA, Calder S, Varghese C, Waite S, Schamberg G, Daker C, Du P, Alighaleh S, Carson D, Woodhead J, Farrugia G, Windsor JA, Andrews CN, O'Grady G. Gastric dysfunction in patients with chronic nausea and vomiting syndromes defined by a noninvasive gastric mapping device. Sci Transl Med. 2022 Sep 21;14(663):eabq3544. doi: 10.1126/scitranslmed.abq3544. Epub 2022 Sep 21. Wang WJ, Foong D, Calder S, Schamberg G, Varghese C, Tack J, Xu W, Daker C, Carson D, Waite S, Hayes T, Du P, Abell TL, Parkman HP, Huang IH, Fernandes V, Andrews CN, Gharibans AA, Ho V, O'Grady G. Gastric Alimetry Expands Patient Phenotyping in Gastroduodenal Disorders Compared with Gastric Emptying Scintigraphy. Am J Gastroenterol. 2024 Feb 1;119(2):331-341. doi: 10.14309/ajg.0000000000002528. Epub 2023 Oct 30. Varghese C, Schamberg G, Calder S, Waite S, Carson D, Foong D, Wang WJ, Ho V, Woodhead J, Daker C, Xu W, Du P, Abell TL, Parkman HP, Tack J, Andrews CN, O'Grady G, Gharibans AA. Normative Values for Body Surface Gastric Mapping Evaluations of Gastric Motility Using Gastric Alimetry: Spectral Analysis. Am J Gastroenterol. 2023 Jun 1;118(6):1047-1057. doi: 10.14309/ajg.0000000000002077. Epub 2022 Dec 20.
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Public notes
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Contacts
Principal investigator
Name
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Vincent Ho, MBBS, FRACP, FACP, PhD
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Address
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Western Sydney University
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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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Daphne Foong, PhD
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Address
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Country
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Phone
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+61 2 4634 4579
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Fax
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Email
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[email protected]
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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)?
No
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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/NCT06401746