- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04931745
Virtual Reality for Port-a-Cath Access
Virtual Reality for Procedural Distress in Children Undergoing Port-a-Cath Access: A Randomized Controlled Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Pain management in pediatric oncology patients is a core component of the care provided. Procedures and treatment administration are the greatest sources of pain for these children, often greater than the pain from the disease itself. Poor initial management for procedures can lead to anxiety and fear, along with a heightened pain response for future procedures. Sensitization, which is an increased reaction to pain, may not only occur at a physiological level, but can also psychologically affect these children, resulting in the development of a fear-avoidance response. This can impede the conduct of diagnostic testing and delivery of therapy. It can also result in an overall fear and avoidance of healthcare settings.
Port-a-caths are a medical device that is implanted below the skin, which acts as a type of venous access. They are used in pediatric oncology patients for various reasons including administration of chemotherapeutics, blood products and supportive care medication, venous sampling and diagnostic testing. At our centre, 90% of patients have a port, while the 10% remaining either have a Hickman catheter or PICC line. Acute lymphoblastic leukemia (ALL), has a treatment duration of two and half years which is facilitated by the insertion of a port-a-cath. To access a port, the area is cleaned in a sterile fashion and a needle is inserted through the skin, into the port. Ports must be flushed with heparin for line maintenance every 4-6 weeks. Currently, topical analgesics such as EMLA (lidocaine/prilocaine), and distraction methods such as interactive toys and watching videos, and anticipatory guidance are employed to help decrease the amount of pain and anxiety children encounter while their port is accessed5,6. Although topical analgesia and child life interventions may decrease the amount of procedural pain and distress, they do not fully eliminate it. Virtual Reality (VR) has been commercially available for almost 25 years, but the initially high cost prohibited widespread clinical adoption. It is being explored as a potential form of analgesia, and has been found to be effective at decreasing pain in numerous settings including in pediatric burn patients undergoing dressing changes, outpatient venipuncture, and port-cath access. The mechanism by which VR works to reduce pain is still unclear, but it has been suggested that it is through distraction. Studies using functional MRI have also shown that VR reduces pain-associated brain activity. For some children, the use of topical agents prolongs the period of distress in anticipation of port access, something, which the use of VR may diminish/eliminate.
Given that VR technology is still quite new, there have been limited studies in the use of VR in port-a-cath access. Sample sizes of previous studies investigating the use of VR in port-a-cath access have been small, ranging between 20 to 59 patients. Additional limitations include the use of non-objective, self-report and proxy measures of distress, use of a non-active comparator (no intervention), and the lack of young children (< 7 years). However, port-a-cath access is common in young children and is often more distressing. Further, for some children the use of topical agents for access creates/prolongs period of distress to do anticipation of port-a-cath access. Behavioral measures of distress are more accurate than self-report and proxy measures. Standards of care to reduce procedural distress usually involves some type of distraction too. To optimize the external generalizability of our findings, the investigators have designed a trial to overcome these limitations, including a larger sample size, an objective measure of behavioral distress, inclusion of younger children, and an active comparator.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Kamary Coriolano, PhD
- Phone Number: 5196856174
- Email: kamary.coriolanodasilva@lhsc.on.ca
Study Locations
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Ontario
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London, Ontario, Canada, N6A5W3
- Recruiting
- London Health Sciences Centre
-
Contact:
- Naveen Poonai, MD
- Phone Number: 52011 6858500
- Email: naveen.poonai@lhsc.on.ca
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Children age 5 to 17 years of age who are undergoing port-a-cath access
- Pre-intervention Children's Fear Scale score of at least 1 with respect to the impending port-a-cath access
Exclusion Criteria:
- Subjective report of motion sickness within past 12 months (excluding anticipatory nausea a child may experience en route to their medical appointment)
- Subjective history of claustrophobia Requires timely antimicrobial therapy
- Visual, auditory, or cognitive impairment or language barrier precluding comprehension of study-related tasks or safe interaction with VR
- Medical record documentation of current MRSA infection
- Subjective history of concurrent respiratory infection (defined as cough, sore throat, fever, coryza, or sneezing within the past 24 hours) or gastrointestinal infection (defined as any vomiting or diarrhea within past 24 hours)
- Previous enrollment in study
- Seizure disorder
- History of vertigo or neurological disorder that creates moderate to severe dizziness.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Virtual Reality
The Oculus 2 headset will be used during port access.
The device features a stereoscopic display mounted on a lightweight wireless head mounted display weighing 503 g with built-in 3D audio and an adjustable head strap and adjustable lens distance.
The software used will be the Might Pebbles VR Game developed by ManageXR.
It is a child-friendly VR game that does not require the use of hand controllers.
It also provides an option to increase the cognitive load, making it appropriate for children of all ages.
The experimental group will be given up to 10 minutes to familiarize themselves with the device, assisted by the research assistant and will begin using it 5-10 minutes prior to port access.
Most participants will receive topical anesthestic in the form of 4% amethocaine (Ametop), eutectic mixture of lidocaine and amethocaine (EMLA), or 4% lidocaine (Maxilene) as per standard practice at our institution.
However, some participants may refuse this co-intervention.
|
VR headset will be used 5-10 minutes prior to and during port access
Other Names:
|
Active Comparator: Tablet
The child will watch a video on a tablet or iPad that is appropriate for their age during port access.
They will begin using it 5-10 minutes prior to port access.
The content of the video will be at the discretion of the child life specialist, nurse, or caregiver.
Most participants will receive topical anesthestic in the form of 4% amethocaine (Ametop), eutectic mixture of lidocaine and amethocaine (EMLA), or 4% lidocaine (Maxilene) as per standard practice at our institution.
However, some participants may refuse this co-intervention.
|
Tablet distraction will be used 5-10 minutes prior to and during port access
Other Names:
|
Active Comparator: No or non-technologic distraction
This is no distraction or non-technologic distraction measures such as bubbles, etc., facilitated by the child life specialist, nurse, or caregiver during port access.
The measure will be documented for the purposes of analysis.
They will begin using it 5-10 minutes prior to port access.
Most participants will receive topical anesthestic in the form of 4% amethocaine (Ametop), eutectic mixture of lidocaine and amethocaine (EMLA), or 4% lidocaine (Maxilene) as per standard practice at our institution.
However, some participants may refuse this co-intervention.
|
This approach will be used 5-10 minutes prior to and during port access
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Behavioral distress
Time Frame: During intervention
|
The Observational Scale of Behavioral Distress - Revised (OSBD-R) will be used.
The OSBD-R is an 8-factor, weighted observational scale with total scores ranging between 0 to 23.5 (0 = no distress, 23.5 = maximal distress) , validated in children 1 to 20 years of age for measuring distress associated with medical procedures.
This will be measured at the first attempt at port access.
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During intervention
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain Intensity
Time Frame: During intervention
|
Pain intensity will be measured using the Faces Pain Scale - Revised (FPS-R) immediately following port-a-cath access and reflective of the pain experienced during port access.
The Faces Pain Scale is a self-reported measure that uses 6 faces to assess the intensity of children's pain26.
It has been validated in children as young as 4 years of age and has a strong positive correlation with the visual analogue scale (r = 0.93 in children 5-12 years of age; r = 0.92 in children 4-12 years of age) and the colour analogue scale (r = 0.84 in children 4-12 years old).
It conforms closely to a linear rating scale.
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During intervention
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Fear
Time Frame: During intervention
|
Measured using the Children Fear Scale (CFS) immediately following port-a-cath access and reflective of fear felt during port access.
The Children's Fear Scale is a visual scale validated to measure fear in children as young as 5 years old undergoing a painful medical procedure.
It was originally validated in children undergoing venipuncture and showed interrater reliability of 0.51, test-retest reliability of 0.76, convergent validity with another self-report measure of fear of 0.73, and moderate discriminant validity of 0.30 with child coping behaviour and 0.41 with child distress behaviour.
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During intervention
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Immersiveness
Time Frame: During intervention
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Measured using the Child Presence Measure (CPM) immediately after port access and reflective of their experience with the VR intervention.
This outcome will only be obtained from the participants in the VR group.
It has been shown that immersive virtual environments decreases the subjective experience of pain.
The Child Presence Measure is a 12-question survey that measures immersiveness of the VR experience.
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During intervention
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Frequency of adverse events
Time Frame: During intervention
|
These will include but are not limited to:
|
During intervention
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Parental distress
Time Frame: During intervention
|
Measured using the Parental Distress Questionnaire (PDQ) immediately following port access and reflective of distress felt related to port-a-cath access.
The Parental Distress Questionnaire is a self-reported survey where parents are given 4 emotional adjectives reflecting emotional distress, which are rated on an 11-point numeric scale ranging from 0 = "not at all" to 11 = "extremely" to assess the parent's current distress.
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During intervention
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Need for physical restraint during port access
Time Frame: During intervention
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Yes or no
|
During intervention
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Number of port-a-cath access attempts
Time Frame: During intervention
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During intervention
|
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Length of stay
Time Frame: During intervention
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Measured from initial nursing assessment to discharge
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During intervention
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Duration of port-a-cath access procedure
Time Frame: During intervention
|
Measured from removal of topical anesthetic (if any) to attempted flush of port.
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During intervention
|
Procedure nurse satisfaction with intervention
Time Frame: During intervention
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Measured from the procedure nurse using the VR Distraction Satisfaction Questionnaire. This Questionnaire was developed by Stinson et al. to measure ease of needle insertion, acceptability of VR intervention use, helpfulness of VR intervention, and impact of VR intervention on clinical work flow (nurses' report). It uses a 5-point Likert scale from "unacceptable" to "very acceptable" for nurses. |
During intervention
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 119117
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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