STING MARK Universal Fiducial Marker System
StingMark
An Ex-Vivo Human Model Study for Proof of Concept, Usability, Reproducibility, Radio-Opacity and Marker Retention
1 other identifier
interventional
100
1 country
1
Brief Summary
Currently available fiducial marker and fiducial insertion strategies are rudimentary, imprecise, not compatible with multiple insertion catheters/needles and are overall unreliable. STING-MARK device is the first universal, fully detachable and non-premounted radiopaque fiducial device system. Allowing biopsy prior to insertion, STING-MARK is easily and reliably delivered through-the-needle to the tumor, in order to accurately pinpoint its location for image-guided therapies. This study aims at establishing proof of concept for STING-MARK, by demonstrating its usability, reproducibility, radio-opacity and retention in a variety of clinically-relevant ex vivo organ samples.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable cancer
Started Feb 2022
Longer than P75 for not_applicable cancer
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 28, 2022
CompletedStudy Start
First participant enrolled
February 28, 2022
CompletedFirst Posted
Study publicly available on registry
July 19, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 1, 2027
April 13, 2026
March 1, 2026
4.7 years
February 28, 2022
April 10, 2026
Conditions
Outcome Measures
Primary Outcomes (3)
Gain experience with deployability of the device in multiple organs, through different needles and different routes of insertion (trans-cutaneous, endoscopic).
1\) The deployability of the device will be measured with a deployability performance score (3=best over all metrics, 9=worst over all metrics) and compared with that of competing devices (Ultra EchoTip, Lumicoil) tested in parallel by the same user(s). No health outcomes are used in this score. Metrics used to establish this score are : operational efficiency ratio (the number of occurences of proper travel/anchoring/detaching over the total number of trials), time of operation and number of steps (from the first handling of the device to its detachment or lack thereof). Tests will be conducted on different organ locations (lung, oseophagus) with different routes of insertion (trans-cutaneous, endoscopic) using different models of 22Ga biopsy needles.
Through study completion, an average of 1 year
Verify stability of the device once inserted.
2\) The stability of the device after insertion will be measured with a stability performance score (3=best over all metrics, 9=worst over all metrics) and compared with that of competing devices (Ultra EchoTip, Lumicoil) tested in parallel by the same user(s). No health outcomes are used in this score. Metrics used to establish this score are mean three-dimensional fiducial displacement and maximal unidirectional displacement (along with its axis). These metrics are calculated by constructing a displacement vector map based on X-ray images of marker position relative to each other and to key neighbouring biological structures (tumor, bones, organs, other markers) taken each day over a period of 3 days.
Through study completion, an average of 1 year
verify radio-opacity of the device following insertion.
3\) The radio-opacity of the device after insertion will be measured with a stability performance score (4=best over all metrics, 12=worst over all metrics) and compared with that of competing devices (Ultra EchoTip, Lumicoil) tested in parallel by the same user(s). No health outcomes are used in this score. Metrics used to establish this score are : visual identification by surgeons and radiologists (based on their expertise by a simple yes/no criterion), automated radiotherapy machine software detection (based on the built-in detection criterion), mean pixel intensity and signal-to-noise ratio (from computer-based image analysis). These metrics are measured on MRI/X-ray/CT-scan images taken right after insertion and 1 day after insertion.
Through study completion, an average of 1 year
Secondary Outcomes (1)
User feedback regarding usability of the device
Through study completion, an average of 1 year
Study Arms (1)
StingMark Fiducial Marker
EXPERIMENTALDevice insertion will occur with the designated needles and through the appropriate organ-specific route and imaging guidance. Multiple STING-MARK fiducials will be inserted. Plain film x-rays in 3 planes of the organs with the marker inserted will be taken and recorded.
Interventions
Device insertion will occur with the designated needles and through the appropriate organ-specific route and imaging guidance. Multiple STING-MARK fiducials will be inserted. Plain film x-rays in 3 planes of the organs with the marker inserted will be taken and recorded.
Eligibility Criteria
You may qualify if:
- Patients undergoing surgical resection of solid organs
- Recipients of solid organ transplantation
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
CHUM
Montreal, Quebec, H2X 0A9, Canada
MeSH Terms
Conditions
Study Officials
- PRINCIPAL INVESTIGATOR
Moishe Liberman, MD
CHUM
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- DEVICE FEASIBILITY
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 28, 2022
First Posted
July 19, 2022
Study Start
February 28, 2022
Primary Completion (Estimated)
November 1, 2026
Study Completion (Estimated)
November 1, 2027
Last Updated
April 13, 2026
Record last verified: 2026-03