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Feasibility Study to Evaluate Safety of ENvizion Medical™ ENVUE™ System

A Feasibility Study to Evaluate the Clinical Safety of ENvizion Medical™ Enteral Feeding Tube Placement Using the ENvizion Medical™ ENVUE™ System in Patients

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03505593
Enrollment
48
Registered
2018-04-23
Start date
2018-04-28
Completion date
2018-08-09
Last updated
2020-09-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Enteral Nutrition

Brief summary

This is a single center, non-randomized feasibility clinical evaluation that is designed to affirm the safety of the ENVUE™ System guidance during the placement of the ENvizion Medical™ enteral feeding tubes.

Detailed description

Enteral nutrition is the preferred route for the provision of nutritional support in most critical ill patients with functional gastrointestinal tract. Achieving early enteral nutrition (EN) in critically ill patients is associated with fewer major complications, reduced mortality and length of hospital stay, and significant cost savings. It is estimated that approximately 1.2 million feeding tubes are placed blindly each year in the United States alone. Despite the obvious advantages of the enteral tube feeding, inadvertent placement of Enteral Feeding Tube (EFT) into the airway is relatively common and can result in significant pulmonary injury including pneumothorax and pneumonia. Airway misplacement occurs in 1.2- 4 % of blind EFT insertions, with 0.2 to 1.2% of all the feeding tube placements cause pulmonary complications to patients. The gold standard for detecting inadvertent placement of a feeding tube in the lungs is radiography. However, because of its cost, possible delay of feedings while waiting for radiography, and risk for radiation exposure, clinicians continue to seek for alternative methods to confirm correct placement. All the above mentioned, emphasizes the fact that safe and effective delivery of nasoenteral tube feedings requires assurance that the feeding tube tip is in a proper position. The ENVUE™ System is an electromagnetic tracking system which tracks the path of the feeding tube during placement. The benefit of the system when EFT is misdirected into the pulmonary system is a real-time visual tracing, which may prompt users to withdraw the tube and reinsert it.

Interventions

DEVICEENVUE System

The ENvizion Medical™ ENVUE™ System is designed to aid qualified operators in the placement of the ENvizion Medical™ Enteral Feeding Tube™ into the stomach or small intestine.

Sponsors

Envizion Medical Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SUPPORTIVE_CARE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
21 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients must be \>21 years of age * Patients must require placement of an enteral feeding tube * Patients have an endotracheal tube, OR Do not have an endotracheal tube but are sedated (RASS score of -2 or less) and/or obtunded (Glasgow Coma scale of 9-12) * Patients or legal authorized representative must be able to understand and adhere to all protocol procedures and be willing and able to provide written informed consent

Exclusion criteria

* Patients must not have a history of: * Esophageal varices or ulcers * Upper airway obstruction * Upper GI stenosis or obstruction * Trauma involving sinuses, nares face or neck that would prevent nasogastric (NG) or oral tube insertion * Deformities of the sinus cavities and/or skull base * Esophageal cancer or neoplasm * Patients must not have a significant concomitant illness that would adversely affect their participation in the study * Female patients who are pregnant or lactating

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Successfully Placed Enteral Feeding TubeDuring procedure visitEnteral tube (EFT) can be placed in the correct anatomical position without occurrence of guidance-related adverse events. Procedure success was evaluated by comparing tube tip location according to the ENVUE System and abdominal and/or thoracic X-Ray. Guidance-related AEs were evaluated through the documentation of any guidance-related serious adverse events (SAE) or adverse events (AE) occurring during a subject's participation in the study.

Secondary

MeasureTime frameDescription
Total Number of Placement AttemptsDuring procedure visitNumber of placement attempts was evaluated by number of replacement and repositioning events, as defined below: * Replacement: Complete removal of the tube from the patient or retraction above the level of the pharynx followed by reinsertion * Repositioning: Changing position of tube without complete removal of the tube
Number of Retrograde Tube Migration EventsDuring follow-up visit (20-48 hours post tube placement)Tube Migration was defined as: Retrograde migration from desired placement position.

Countries

United States

Participant flow

Pre-assignment details

Of 48 enrolled participants, 46 met inclusion/ exclusion criteria and underwent a tube placement attempt. From these 46 participants, 43 completed a successful tube placement.

Participants by arm

ArmCount
EFT Placement Using ENVUE System
Placement of the ENvizion Medical™ Enteral Feeding Tube (EFT) in the stomach or small intestine of adult patients who require feedings via the oro/ nasoenteric route, using the ENVUE™ System. ENVUE System: The ENvizion Medical™ ENVUE™ System is designed to aid qualified operators in the placement of the ENvizion Medical™ Enteral Feeding Tube™ into the stomach or small intestine.
43
Total43

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAnatomical abnormality1
Overall StudyDied before procedure1
Overall StudyObstruction by Endotracheal tube1
Overall StudyUnable to pass through esophagus1
Overall StudyWithdrawal by Subject1

Baseline characteristics

CharacteristicEFT Placement Using ENVUE System
Age, Continuous67 years
Endotracheal Tube38 Participants
Obtunded5 Participants
Race/Ethnicity, Customized
Black or African American
3 Participants
Race/Ethnicity, Customized
White
40 Participants
Region of Enrollment
United States
43 participants
Sedated0 Participants
Sex: Female, Male
Female
16 Participants
Sex: Female, Male
Male
27 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 48
other
Total, other adverse events
1 / 48
serious
Total, serious adverse events
0 / 48

Outcome results

Primary

Number of Participants With Successfully Placed Enteral Feeding Tube

Enteral tube (EFT) can be placed in the correct anatomical position without occurrence of guidance-related adverse events. Procedure success was evaluated by comparing tube tip location according to the ENVUE System and abdominal and/or thoracic X-Ray. Guidance-related AEs were evaluated through the documentation of any guidance-related serious adverse events (SAE) or adverse events (AE) occurring during a subject's participation in the study.

Time frame: During procedure visit

Population: Subjects who underwent a successful feeding tube placement using the ENvue system

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
EFT Placement Using ENVUE SystemNumber of Participants With Successfully Placed Enteral Feeding Tube43 Participants
Secondary

Number of Retrograde Tube Migration Events

Tube Migration was defined as: Retrograde migration from desired placement position.

Time frame: During follow-up visit (20-48 hours post tube placement)

Population: 43 subjects underwent a successful feeding tube placement using the ENvue system.~Of the Forty- three (43) subjects that completed a successful placement procedure, thirty-six (36) subjects underwent a successful tube tip position check at follow-up visit.

ArmMeasureValue (NUMBER)
EFT Placement Using ENVUE SystemNumber of Retrograde Tube Migration Events3 Number of tube retrograde migration
Secondary

Total Number of Placement Attempts

Number of placement attempts was evaluated by number of replacement and repositioning events, as defined below: * Replacement: Complete removal of the tube from the patient or retraction above the level of the pharynx followed by reinsertion * Repositioning: Changing position of tube without complete removal of the tube

Time frame: During procedure visit

Population: 43 subjects underwent a successful feeding tube placement using the ENvue system. In total, 44 tubes were successfully placed- 1 subject pulled the tube out and a new tube was placed instead

ArmMeasureValue (NUMBER)
EFT Placement Using ENVUE SystemTotal Number of Placement Attempts49 Number of placement attempts

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026