Contribution of Residual Tumour DNA Testing on the Surgical Bed
MARGINS
MARGINS
Sponsor study identifier
Secondary identifiers
OTHER · ANSM
interventional
31
1 country
2
Study Start
January 8, 2024
Actual (reported)Primary Completion
December 22, 2025
Actual (reported)Study Completion
December 29, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
The aim of this study is to evaluate the interest of residual tumour DNA research in the operating bed after squamous cell carcinoma excision.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 29, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
June 29, 2023
Actual (reported)July 7, 2023
Actual (reported)January 8, 2024
Actual (reported)December 22, 2025
Actual (reported)December 29, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Residual tumro DNA on operating bed
Proportion of patients with residual tumour DNA on the operating bed according to the presence or absence of adverse histological factors
during the surgery
Survival without locoregional recurrence rate
24 months
biological assessment on operating bed to detect residual circulating tumor DNA
biological assessment on operating bed to detect residual circulating tumor DNA
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
CHU Rouen
Rouen, 76000, France
Centre Henri Becquerel
Rouen, 76038, France
Lise-Marie Roussel, MD
Centre Henri Becquerel
31 participants (actual enrollment reported by the registry).
First Submitted
June 29, 2023
First Posted
July 7, 2023
Study Start
January 8, 2024
Actual (reported)Primary Completion
Contact the study team to confirm eligibility.
December 22, 2025
Actual (reported)Study Completion
December 29, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
January 2, 2026
Record last verified: 2025-12
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Source: ClinicalTrials.gov.
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