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Dumping Syndrome After Esophagectomy
Prospective Observational Study on the Utility of Continuous Glucose Monitoring for the Diagnosis of Dumping Syndrome After Esophagectomy
Background:
Dumping syndrome is a common complication for patients who have undergone surgery for esophageal cancer. It occurs when food moves too quickly from the stomach (or the reconstructed gastric tube) into the small intestine. This rapid movement causes various symptoms such as bloating, abdominal pain, dizziness, rapid heartbeat, and sweating. Sometimes, it leads to "late dumping," where blood sugar levels drop significantly, causing tremors, cold sweats, and fatigue. Currently, there is no standardized tool to easily diagnose this condition after esophagectomy.
Purpose of the Study:
The objective of this study is to evaluate the effectiveness of Continuous Glucose Monitoring (CGM) in diagnosing dumping syndrome. CGM is a small, wearable sensor that tracks glucose levels in real-time. The investigators aim to determine whether CGM can serve as a valuable tool for the early detection of dumping syndrome in patients who have undergone esophagectomy.
Studie Overzicht
Toestand
Studietype
Inschrijving (Geschat)
Contacten en locaties
Studiecontact
- Naam: Seongyong Park, Ph.D
- Telefoonnummer: +82-10-5388-5715
- E-mail: syparkcs@gmail.com
Studie Locaties
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Gangnam-gu Irwon-Ro 81
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Seoul, Gangnam-gu Irwon-Ro 81, Zuid -Korea, 06351
- Werving
- Samsung Medical Center
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
-1. aged 18 or older. 2. people who underwent esophagectomy and gastric tube reconstruction for esophageal cancer.
3. Sigstad score of 7 or higher.
Exclusion Criteria:
- 1. Diabetes with autonomic neuropathy. 2. Inability to complete the diagnostic procedure (e.g., cognitive decline). 3. Refusal to participate.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Diagnostic Agreement Between CGM and OGTT for Dumping Syndrome
Tijdsspanne: Up to 10 days after enrollment, during concurrent OGTT and CGM measurement
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The agreement between dumping syndrome diagnosed by the Oral Glucose Tolerance Test (OGTT) and that diagnosed by Continuous Glucose Monitoring (CGM) will be evaluated.
Using a predefined glucose cut-off value (e.g., $60\text{ mg/dL}$), the Cohen's Kappa coefficient and its 95% confidence interval will be calculated to assess the level of consistency.
A Kappa value of 0.6 or higher is expected to indicate substantial agreement.
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Up to 10 days after enrollment, during concurrent OGTT and CGM measurement
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Diagnostic Accuracy of CGM Using Specific Glucose Cut-off Values
Tijdsspanne: Up to 10 days after enrollment, during concurrent OGTT and CGM measurement
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To evaluate the diagnostic performance of CGM relative to the gold standard OGTT, measures of diagnostic accuracy-including sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV)-will be calculated.
Each metric will be reported with its corresponding 95% confidence interval.
The analysis will focus on assessing the clinical validity of the 60 mg/dL threshold (or other relevant cutoffs) for detecting dumping syndrome.
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Up to 10 days after enrollment, during concurrent OGTT and CGM measurement
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- SMC-2025-06-033
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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