NCT06361498 · University of North Carolina, Chapel Hill
Ultrasound for Evaluation of Percutaneous G-tube Position
What this study is about
The goal of this clinical trial is to compare using ultrasound imaging to look at the position of the gastrostomy tube (GT) against fluoroscopic imaging in pediatric patients who had a recent GT tube replacement. The main questions it aims to answer are: * If ultrasound is just as accurate as fluoroscopy to assess the GT position.
View original scientific description
The goal of this clinical trial is to compare using ultrasound imaging to look at the position of the gastrostomy tube (GT) against fluoroscopic imaging in pediatric patients who had a recent GT tube replacement. The main questions it aims to answer are: * If ultrasound is just as accurate as fluoroscopy to assess the GT position. * If ultrasound takes less time than fluoroscopy to assessing the GT position. Participants will be imaging using ultrasound to assess GT positioning before their standard of care fluoroscopic imaging.
Interventions
DEVICE
Ultrasound Imaging
Participant will receive ultrasound imaging to evaluate the replaced G-tube placement.
Primary outcome measures
Proportion of Ultrasound that Agree with Fluoroscopy with Respect to Identifying the GT Location
Time frame: Upon completion of all study image data collection for all participants [approximately 1 year]
Proportional accuracy of ultrasound in identifying the gastrostomy tube (GT) balloon location based on the readers' (radiologists) ability to use the ultrasound to locate the GT balloon in comparison with the gold standard (fluoroscopic tube injection).
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- An individual who presents with a dislodged GT and meets one of the following minor criteria:
- Surgical GT placement less than 90 days from presentation
- Traumatic GT dislodgement/removal
- Recent stoma dilation
- Clinician uncertainty about position of GT placement
Exclusion criteria
- An individual \>18 years of age
- Acutely ill patients defined as hemodynamically unstable defined as any child who has abnormal vital signs or disruption of vital functions (i.e. airway, breathing, circulation, mental function). Vital signs are based on patient age. Initial assessment of clinical patient stability will be provided by the ordering/referring provider.
Where
- Chapel Hill, North Carolina
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Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Jun 26, 2026 · Source of record for eligibility and locations