- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03771833
M5 vs. M6 Comparison Study With a Sub Study Into the Dielectric Constant of Aspirated Cyst Fluid
Comparison of M5 and M6 Versions of the MARIA Imaging System on Patients Attending Symptomatic Breast Clinic in Cheltenham, United Kingdom (UK), Including a Sub-study to Research the Dielectric Constant of Aspirated Cyst Fluid
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Cheltenham, United Kingdom, GL53 7AS
- Thirlestaine Breast Centre, Gloucestershire Hospitals NHS Foundation Trust
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- attending a symptomatic breast care clinic at the study site
- have a palpable lump in the breast
- female sex
- 18 years or older
- able to provide informed consent
- not in any identified vulnerable group
Exclusion Criteria:
- unable to mount MARIA patient bed using provided 2-step
- unable to lie in the prone position for a period of up to 15 minutes
- patient who have undergone biopsy less than 5 days before the MARIA scan
- patient with implanted electronics
- patient with breast implants
- patients with nipple piercings (unless they are removed prior to the MARIA scan)
- breast size too small or too large to be suitable for both arrays
Further:
- participants with a large cyst or cysts that require draining at their clinical appointment will not be eligible for Arm 1, as the procedure to drain their cyst will change the appearance of the cyst from the imaging that they have done that day to the MARIA image obtained around 10 days later
- Arm 1 and 2 are mutually exclusive
Study Plan
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: NON_RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
OTHER: Main MARIA scan visit
For Arm 1, participants will be identified in clinic as having a suitable symptomatic breast and approached about the study.
They will have the study design explained to them and will be informed that they are under no obligation to participate.
Arm 1 participants will receive study information that they will be sent home with and informed that they will be approached via a telephone call in 2-3 days (or the closest working day to that date) to enquire if they would like to schedule an appointment for the study visit.
If so, this will be scheduled to occur around 7 days from the date of the phone call.
|
The MARIA breast imaging system comprises of a scanning unit, housed under a patient bed.
The scanning unit houses a hemispherical array, into which varying sizes of insert are fitted to ensure a close fit to the breast.
The patient lies prone on the bed with their breast pendulous through an aperture in the bed and the scanning unit is risen to meet the breast.
The fit is non-compressing and the scanner does not use ionising radiation.
|
OTHER: Same-day MARIA scan visit
For Arm 2, participants will be identified in clinic as having a suitable symptomatic breast and approached about the study. They will have the study design explained to them and will be informed that they are under no obligation to participate. Arm 2 participants will receive study information and as much time as possible to consider their involvement with the study (at least 1 hour). If the patient agrees to participate, they will be scheduled to have their MARIA scans at a time that suits their commitments that day. This arm also includes the 2b group, who can optionally consent to a dielectric constant reading of their routinely-aspirated cyst fluid before this is disposed of as per usual site process. |
The MARIA breast imaging system comprises of a scanning unit, housed under a patient bed.
The scanning unit houses a hemispherical array, into which varying sizes of insert are fitted to ensure a close fit to the breast.
The patient lies prone on the bed with their breast pendulous through an aperture in the bed and the scanning unit is risen to meet the breast.
The fit is non-compressing and the scanner does not use ionising radiation.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Establish the presence or absence of a difference in the MARIA(R) outputs obtained with M5 and M6 when the participants is not moved between scans and when they are moved between scans
Time Frame: Up to 12 weeks
|
This will be established from Arm 1 and Arm 2 by scanning the participant between both versions of the MARIA system.
As has been investigated in-house with healthy volunteers, the patient will take part in a series of scans that will involve them remaining stationary between scans, and moving between scans.
The differences between these images will be analysed, using the known palpable lesion in the breast as a landmark.
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Up to 12 weeks
|
Establish the presence or absence of a difference between MARIA(R) outputs on the same device when the participant is stationary between scans and when they are moved between scans
Time Frame: Up to 12 weeks
|
This will be established from Arm 1 and Arm 2 by scanning the participant on each separate version of the MARIA system.
As has been investigated in-house with healthy volunteers, the patient will take part in a series of scans that will involve them remaining stationary between scans, and moving between scans.
The differences between these images will be analysed, using the known palpable lesion in the breast as a landmark.
|
Up to 12 weeks
|
Measure the dielectric constant of aspirated cyst fluid and any variance between cyst type
Time Frame: Up to 12 weeks
|
This will be established from Arm 2b by recording the dielectric constant of the aspirated cyst fluid as soon as possible after aspiration using a dielectric probe.
No cysts will be aspirated exclusively for this procedure and fluid will be disposed of as per usual site practice once the recording has taken place.
Each cyst fluid sample will have its dielectric constant recorded three times and recorded in the provided software before disposal.
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Up to 12 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assess the diagnostic accuracy of both the M5 and M6 versions of the MARIA system in identifying lesions of the breast, including benign lesions such as cysts
Time Frame: Up to 12 weeks
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This will be established from Arm 1 and 2 by using a combination of reader results from clinician reads performed by the site team with all available clinical information and blind reads performed in house which will utilise no clinical information.
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Up to 12 weeks
|
Understand participant acceptability of the MARIA scan and obtain feedback on patient experience: questionnaire
Time Frame: Up to 12 weeks
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This will be established from Arm 1 and 2 by asking the participant to complete a questionnaire of their experience after their participation in either of the two main study arms.
The questionnaire comprises of 8 questions and a free-text box for any additional comments.
The first two questions ask a participant to pick one of 5 options, from very easy to very difficult or very comfortable to very uncomfortable.
The next even questions are Yes or No questions, with options for the participant to answer these as "Not sure" or "Not applicable" as appropriate.
The questionnaire then ends with a free-text box for feedback.
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Up to 12 weeks
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- PROT-P2-024
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
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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