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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04606030
Other study ID # 5R44CA203608
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 26, 2020
Est. completion date February 15, 2024

Study information

Verified date May 2023
Source Fibralign Corporation
Contact Scully Hsu
Phone 773-834-8038
Email shsu@bsd.uchicago.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To investigate whether the addition of Fibralign's BioBridge® Collagen Matrix (BioBridge) devices to the standard surgery for vascularized lymph node transfer will improve the outcome of surgical treatment in lymphedema of the upper arm.


Description:

The proposed study utilizes Fibralign's BioBridge® Collagen Matrix (BioBridge), a sterile implantable biocompatible and biodegradable surgical mesh ribbon comprised of highly purified porcine collagen. The Class II device was cleared by CDRH Division of Surgical Devices on 8 January 2016 under 510(k) K151083. The device will be used for soft tissue surgical support at the time of vascularized lymph node transplant surgery (VLNT); the device will be used, specifically, for surgical support of the lymphatic component of the soft tissue. Primary endpoint is the post surgical % change in excess limb volume, measured at 12 months following the surgical procedure. Secondary endpoints are change in quality of life scores measured by LLIS and change in lymphatic function as measured by indocyanine green (ICG) fluorescence imaging.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date February 15, 2024
Est. primary completion date December 30, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: The subject must be a breast cancer survivor, at least 3 years beyond completion of cancer therapy, free of clinical disease, and eligible for surgical intervention. Participants who are not able to safely undergo general anesthesia and/or perioperative care for VLNT are excluded. - Ages 18 to 75 years (inclusive) - Eastern Cooperative Oncology Group (ECOG) Performance Status 0 to 2 - Life expectancy > 2 years - Acquired (secondary) upper limb lymphedema secondary to breast cancer treatment - The participant must be eligible for surgical intervention - Swelling of 1 limb that is not completely reversed by elevation or compression - Stage I-II lymphedema at screening, based on the International Society of Lymphology (ISL) staging system - Participants must have no evidence of disease (NED), have completed breast cancer therapy 3 years prior to enrollment; use of endocrine therapy is allowed. - Completion of a full course of complete decongestive therapy (CDT), according to ISL guidelines at least 12 weeks prior to screening, including use of compression garments for at least 12 weeks without change in regimen - Willingness to comply with recommended regimen of self care, with consistent use of compression garments from screening through the entire study duration (through the safety follow up visit), excluding the first 3 weeks postoperatively where patients are required to not wear compression. Self bandaging, use of nighttime compression garments, and intermittent pneumatic compression devices are allowed, but the procedures and regimens are expected to remain consistent from screening though the entire study duration. - Consistent use of an appropriately sized compression garment for daytime use. - Limb volume (LV) in the affected limb and unaffected limb must be at least 10% of each other. - Evidence of abnormal bioimpedance ratio, if feasible, based upon unilateral disease: L Dex > 10 units. - Willingness and ability to comply with all study procedures, including measurement of skin biopsy, and preoperative and postoperative imaging studies. - Willingness and ability to understand, and to sign a written informed consent form document Exclusion Criteria: - Edema arising from increased capillary filtration will be excluded (venous incompetence). - Inability to safely undergo general anesthesia and/or perioperative care related to vascularized lymph node transfer - Concurrent participation in a clinical trial of any other investigational drug or therapy, regardless of indication, within 1 month before screening or 5 times the drug's half life, whichever is longer - Recent initiation (= 12 weeks) of CDPT for lymphedema - Other medical condition that could lead to acute limb edema, such as (but not limited to) acute venous thrombosis or heart failure - Other medical condition that could result in symptoms overlapping those of lymphedema in the affected limb (eg, pain, swelling, decreased range of motion) - History of clotting disorder (hypercoagulable state) - Chronic (persistent) infection in the affected limb - Infection of the lymphedema limb within 1 month prior to screening - Currently receiving chemotherapy or radiation therapy - Current evidence, or a history of malignancy within the past 3 years (except for non melanoma skin cancer or cervical cancer in situ treated with curative intent). If the participant has undergone cancer treatment, this must have been completed > 3 years prior to enrollment. - Significant or chronic renal insufficiency (defined as serum creatinine > 2.5 mg/dL or an estimated glomerular filtration rate [eGFR] < 30 mL/min at screening) or requires dialytic support - Hepatic dysfunction, defined as alanine transaminase (ALT) or aspartate transaminase (AST) levels > 3 × upper limit of the normal range (ULN) and/or bilirubin level > 2 × ULN at screening - Absolute neutrophil count < 1500 mm3 at screening - Hemoglobin concentration < 9 g/dL at screening - Body Mass Index (BMI) >35 - Known sensitivity to porcine products - Anaphylaxis to iodine - Pregnancy or nursing - Substance abuse (such as alcohol or drug abuse) within 6 months prior to screening - Any reason (in addition to those listed above) that, in the opinion of the investigator, precludes full participation in the study.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
BioBridge® Collagen Matrix
BioBridge Collagen Matrix (BioBridge) is a sterile implantable bio-compatible and biodegradable surgical mesh ribbon comprised of highly purified porcine collagen. The Class II device was cleared by CDRH Division of Surgical Devices on 8 January 2016 under 510(k) K151083. The device will be used for soft tissue surgical support at the time of vascularized lymph node transplant surgery (VLNT); the device will be used, specifically, for surgical support of the lymphatic component of the soft tissue.
Procedure:
Vascularized Lymph Node Transfer (VLNT)
Micro-surgical procedure for vascularized lymph node transfer (VLNT)

Locations

Country Name City State
United States The University of Chicago Biological Sciences Division/University of Chicago Medical Center Chicago Illinois
United States MD Anderson Houston Texas

Sponsors (2)

Lead Sponsor Collaborator
Fibralign Corporation University of Chicago

Country where clinical trial is conducted

United States, 

References & Publications (5)

Chang DW, Masia J, Garza R 3rd, Skoracki R, Neligan PC. Lymphedema: Surgical and Medical Therapy. Plast Reconstr Surg. 2016 Sep;138(3 Suppl):209S-218S. doi: 10.1097/PRS.0000000000002683. — View Citation

Garza RM, Ooi ASH, Falk J, Chang DW. The Relationship Between Clinical and Indocyanine Green Staging in Lymphedema. Lymphat Res Biol. 2019 Jun;17(3):329-333. doi: 10.1089/lrb.2018.0014. Epub 2018 Dec 18. — View Citation

Inchauste S, Zelones J, Rochlin D, Nguyen DH. Successful treatment of lymphedema in a vasculopath and neuropathic patient. J Surg Oncol. 2020 Jan;121(1):182-186. doi: 10.1002/jso.25590. Epub 2019 Jun 22. — View Citation

Rochlin DH, Inchauste S, Zelones J, Nguyen DH. The role of adjunct nanofibrillar collagen scaffold implantation in the surgical management of secondary lymphedema: Review of the literature and summary of initial pilot studies. J Surg Oncol. 2020 Jan;121(1):121-128. doi: 10.1002/jso.25576. Epub 2019 Jun 18. — View Citation

Silva AK, Chang DW. Vascularized lymph node transfer and lymphovenous bypass: Novel treatment strategies for symptomatic lymphedema. J Surg Oncol. 2016 Jun;113(8):932-9. doi: 10.1002/jso.24171. Epub 2016 Feb 5. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Excess limb volume change Change in % of (excess) limb volume in the intervention group relative to control group Baseline and 12 months after treatment
Secondary LLIS survey Lymphedema-specific instrument to measure impairments, activity limitations, and participation restrictions in those living with any extremity lymphedema Baseline and 12 months after treatment
Secondary L-Dex bioimpedance spectroscopy. Change in the Lymphedema Index (L-Dex) in the intervention group relative to control group. The L-Dex score has the requisite sensitivity and specificity to detect the differences in retained interstitial fluid that might discriminate the therapeutic responses of the treated patients. It has been established that the normal range of the L-Dex score is in the interval from -10 to +10 units; the higher score the more difference is in the retained interstitial fluid between the affected and unaffected limbs. Baseline and 12 months after treatment
Secondary Histology Change in cutaneous histological architecture. The impact of treatment on the cutaneous histopathology will be evaluated through the use of an empirically derived scoring system and will be performed by a dermatopathologist. Baseline and 12 months after treatment
Secondary ICG fluorescence imaging Change in lymphatic function assessed by ICG fluorescence imaging Baseline and 12 months after treatment
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