First-in-human, Study of MATTISSE® Tissue Engineering Chamber in Adult Female Patients Undergoing Breast Reconstruction After Mastectomy for Cancer

NCT ID: NCT05460780

Last Updated: 2025-03-20

Basic Information

• Recruitment Status: RECRUITING
• Clinical Phase: NA
• Total Enrollment: 50 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-07-01
• Study Completion Date: 2028-12-31

Brief Summary

This study is a first in human, two-stage single arm non-comparative study of safety and performance.

The aim of the study is to asses the safety and the clinical performance of a new device : the MATTISSE tissu engineering chamber.

Conditions

Breast Cancer Female; Breast Cancer Prevent; Breast Reconstruction

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: OTHER
• Blinding Strategy: NONE

Study Groups

MATTISSE TEC

Patient included receive MATTISSE TEC

Group Type: EXPERIMENTAL

MATTISSE TEC

Intervention Type: DEVICE

Tissue engineering chamber MATTISSE

Interventions

MATTISSE TEC

Tissue engineering chamber MATTISSE

Intervention Type: DEVICE

Eligibility Criteria

Inclusion Criteria

Criteria related to pathology:

• Female patient over 18 Years old
• Patient who required autologous breast reconstruction:

• Immediate unilateral reconstruction after total mastectomy for early-stage breast cancer
• Breast reconstruction after unilateral preventive total mastectomy
• or delayed unilateral reconstruction after total mastectomy for early-stage breast cancer with a tissue expander implantation
• or conversion from implant-based to autologous reconstruction: Patient who had a breast implant during a previous reconstruction after total mastectomy for cancer, and who needs to change it.
• For patient with active cancer: Patient with early-stage cancer (stage 0, I or II, with tumor size < 50mm, without lymph-node involvement) needing oncological management that does not required radiotherapy after surgery on the breast area or on the flap donor site
• Patient who required Nipple sparing (NSM) or Skin sparing mastectomy (SSM) with a unique surgical approach (same for mastectomy and implant) insertion; or implant removal for patient undergoing autologous conversion, or expender removal for patient undergoing differed reconstruction.
• Autologous reconstruction using Lateral Intercostal Perforator (LICAP) flap or an intercostal thoracic artery perforation flap (LTAP) if oncological conditions do not allow for LICAP harvesting.
• Patient medically fit for surgery without significant comorbidities
• Breast cup-size less than D
• Body mass index >20 kg/m2 or patient for whom sufficient flap volume is expected according to surgeon's assessment
• Adequate hematopoietic functions

Criteria related to population:

• Subjects who have given free, informed and written consent to participate in the study;
• Patient able to answer questionnaires, able to communicate in the language of the study country;
• Subjects affiliated to a social security schema or entitled to a social security scheme.

Pathology related criteria:

• Patient undergoing bilateral reconstruction
• Patient undergoing bilateral preventive mastectomy
• Patient undergoing simultaneous contralateral breast reduction, mastopexy, and augmentation
• Previous history of radiotherapy on the breast area or on the flap donor site
• Previous history of breast or axillary surgery that does not allow fat flap dissection
• Presence of pacemaker or metallic prosthesis making patient unsuitable for MRI
• Body mass index >30 kg/m2
• Taking medication for weight loss at the time of inclusion visit
• Presence of major medical conditions that may compromise patient's health and healing
• Diabetes and a history of gestational diabetes
• Active smoking
• Microangiopathy, Vascular history and all systemic disease (systemic Raynaud's disease)
• Patient with intertrigo or infection or alteration of the surgical site confirmed pre-operatively by clinical examination
• Allergy to anesthetics or contrast media
• Immunocompromised patient (HIV) or patient used immunosuppressants

Population related criteria

• Pregnant patient
• or breastfeeding patient or woman who has nursed a child three months within inclusion
• Participation in a clinical trial in the 3 months prior to the initial visit
• Predicted unavailability during study.
• Patient deprived of liberty or under guardianship.
• Patient unable to give consent

Medical device related criteria

• Allergy to any of the components of the medical device.

Exclusion Criteria

• Positive or suspicious extemporaneous sentinel node biopsy
• Non integrity of LICAP and LTAP vessels, showed by the pre-operative doppler
• Patient not yet implanted with MATTISSE®, whose cancer stage will finally require radiotherapy treatment

• Minimum Eligible Age: 18 Years
• Eligible Sex: FEMALE
• Accepts Healthy Volunteers: No

Sponsors

Lattice Medical

UNKNOWN

Sponsor Role: collaborator

Quanta Medical

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

CHU de Strasbourg

Strasbourg, France, France

Site Status: RECRUITING

Hospital of Lille

Lille, Nord, France

Site Status: RECRUITING

Institute of Clinical Oncology

Tbilisi, , Georgia

Site Status: RECRUITING

Countries

France; Georgia

Central Contacts

Pierre GUERRESCHI, Pr

Role: CONTACT

clinic@lattice-medical.com

03.20.44.56.59

Facility Contacts

Frédéric BODIN, Pr

Role: primary

Pierre Guerreschi, Prof.

Role: primary

Gia NEMSADZE, Pr

Role: primary

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Related Links

http://www.who.int/fr/news-room/fact-sheets/detail/breast-cancer

Related Info

Other Identifiers

3121_MATFIH22

Identifier Type: -

Identifier Source: org_study_id