NCT06906601|RecruitingDMC
Preoperative Magnetic Tracking in Breast Surgery in France: French Medical-economic Study.
MAGNETO
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MAGNETO
Sponsor study identifier
observational
772
1 country
7
Study Start
April 15, 2025
Actual (reported)Primary Completion
October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
MAGNETO is a French medico-economic study on preoperative localization in breast cancer surgery. The main objective is to conduct a cost-consequence analysis comparing magnetic clip localization with the use of metallic wires for the preoperative identification of non-palpable breast lesions. The choice of localization method is left to the physician's and center's discretion. The study is non-interventional (with only questionnaires and data collection), prospective, and multicenter, with patient follow-up lasting up to six months after breast surgery.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
October 15, 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.
March 18, 2025
Actual (reported)April 2, 2025
Actual (reported)April 15, 2025
Actual (reported)October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Comparison of the average total cost of patient care with magnetic clip localization versus the use of a hookwire, up to 6 months post-surgery
Effectiveness of localization in terms of lesion identification (did the localization, based on the pathological report, allow the lesion to be located in the breast?) * Rate of clear margins (for isolated in situ lesions: margin ≥ 2 mm, and for invasive cancers: non-zero margin) * Percentage of patients requiring re-intervention due to an unclear margin * Measured distance between the marker and the target lesion during the procedure * Ratio between the weight of the resected specimen and the lesion size in g/mm² * Patient satisfaction with their care, assessed using a 5-point Likert scale during the postoperative consultation (between day 15 and day 30 after resection) * Radiologist satisfaction with the marker placement, assessed using a 5-point Likert scale immediately after placement * Surgeon satisfaction with lesion localization, assessed using a 5-point Likert scale at the end of the surgery.
6 months post surgery
Quality of life of patientes
The preoperative localization can be performed using several techniques, magnetic clip localization will be use in this cohort
The preoperative localization can be performed using several techniques, wire localization will be use in this cohort
magnetic clip localization for preoperative localization for breast cancer surgery
metallic wire localization for preoperative localization for breast cancer surgery
Patients recruited in 7 centers spread across France
Hospices Civils de Lyon Hopital de la Croix rousse
Lyon, 69004, France
Centre Léon Bérard
Lyon, 69008, France
First Submitted
March 18, 2025
First Posted
April 2, 2025
Study Start
April 15, 2025
Actual (reported)Primary Completion
October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Persistent Organic Pollutants and Breast Cancers (POPCASE)
At inclusion, 15 to 30 days after surgery and 6 months after surgery
Satisfaction of radiologist and surgeon
Within 24 hours after the maker placement and within 24 hours after the surgery
Patient satisfaction and experience.
15 to 30 days after surgery
Budget impact analysis of pre operative magnetic clip localization versus the use of a hookwire.
At 1, 2 and 3 years
The organisationnal impact of magnetic clip versus metallic wires.
At 6 months
Patient with invasive or in situ breast carcinoma, presenting with a unifocal and unilateral lesion, requiring a first-line breast-conserving treatment with preoperative localization, regardless of the associated lymph node procedure
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Institut de Cancérologie de Lorraine (ICL)
Nancy, 54519, France
Hôpital Nord -Ouest Val d'Oise (NOVO)
Pontoise, 95300, France
Institut GODINOT
Reims, 51726, France
Centre Eugène Marquis
Rennes, 35042, France
Institut Gustave Roussy
Villejuif, 94805, France
Study Completion
October 15, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
October 20, 2026
Record last verified: 2026-10
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