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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04039893
Other study ID # 2018/8361/I
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 23, 2019
Est. completion date November 15, 2022

Study information

Verified date October 2021
Source Parc de Salut Mar
Contact Maria Vernet-Tomas, MD, PhD
Phone 34932483132
Email mvernet@psmar.cat
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The present trial will prospectively evaluate the accuracy of both a systematic predefined axillary ultrasound imaging together with tumor load quantification of suspicious and sentinel axillary lymph nodes to predict overall tumor load in the axilla.


Description:

Axillary node clearance (ANC) is a controversial intervention in the surgical treatment of breast cancer. Different studies have shown that in some patients with infiltrated axillary lymph nodes but low tumor burden, ANC can be safely omitted. However, indications for ANC persist in nowadays for patients with positive axillary lymph nodes and upfront surgery and patients with positive lymph nodes after neoadjuvant treatment. The present prospective study will evaluate the ability to establish an axillary tumor load with two steps. The first step will be a preoperative predefined systematic axillary ultrasound imaging workflow. The second step will be the tumor load evaluation of suspicious and sentinel axillary lymph nodes. We will also evaluate which patients have infiltrated nodes only beneath the second intercostobrachial nerve. The trial intends to identify patients for who a complete axillary node clearance could be spared.


Recruitment information / eligibility

Status Recruiting
Enrollment 160
Est. completion date November 15, 2022
Est. primary completion date March 15, 2022
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: - Node-positive breast cancer patients confirmed by biopsy or cytology - Positivity confirmed before the surgical treatment Exclusion Criteria: - Inability to confirm positive lymph nodes by biopsy or cytology - Inability to understand the protocol design - Poor understanding of the Spanish language

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Systematic axillary ultrasound imaging
Before surgery, all patients will be explored with a pre-defined systematic and reproducible axillary ultrasound imaging workflow intending to establish the number of neoplastic lymph nodes.
Sentinel node
Sentinel nodes will be identified with a radioisotope tracer and blue dye or fluorescein.
Procedure:
Excision of suspicious lymph nodes
Nodes suspected to be infiltrated both by physical exploration and/or ultrasound will be excised and evaluated separately.
Two steps axillary node clearance
Axillary node clearance will be performed in two steps comprising inferior and superior clearance. The second intercostobrachial nerve will be considered the limit defining the border between superior and inferior axilla.

Locations

Country Name City State
Spain Hospital del Mar Barcelona

Sponsors (2)

Lead Sponsor Collaborator
Parc de Salut Mar GEICAM

Country where clinical trial is conducted

Spain, 

References & Publications (2)

Nicolau P, Gamero R, Rodríguez-Arana A, Plancarte F, Alcántara R, Carreras R, Sabadell D, Vernet-Tomas M. Imaging and pathology features to predict axillary tumor load in breast cancer. J Obstet Gynaecol Res. 2018 Feb;44(2):331-336. doi: 10.1111/jog.13490. Epub 2017 Oct 13. — View Citation

Vernet-Tomás M, Baños N, Sabadell D, Corominas JM, Mestre-Fusco A, Suárez-Piñera M, Carreras R. p53 expression in breast cancer predicts tumors with low probability of non-sentinel nodes infiltration. J Obstet Gynaecol Res. 2015 Jul;41(7):1115-21. doi: 10.1111/jog.12670. Epub 2015 Feb 6. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Number of patients correctly identified as low axillary tumor load carriers by a pre-defined systematic axillary ultrasound imaging workflow The accuracy (in terms of sensibility, specificity, positive predictive value and negative predictive value) of the pre-defined systematic ultrasound imaging workflow for identifying patients wih low axillary tumor load will be reported. Low axillary tumor load is defined as two or less infiltrated axillary lymph nodes. 24 months
Primary Number of patients correctly identified as low axillary tumor load carriers by the information on tumor load of suspicious and sentinel axillary lymph nodes. The accuracy (in terms of sensibility, specificity, positive predictive value and negative predictive value) of different tumor load cut-off points of the suspicious and sentinel axillary lymph nodes for identifying patients with low axillary tumor load will be reported.Low axillary tumor load is defined as two or less infiltrated axillary lymph nodes. 24 months
Primary Number of patients correctly identified as low axillary tumor load carriers combining both the pre-defined axillary ultrasound imaging workflow with the information on tumor load of suspicious and sentinel axillary nodes The accuracy (in terms of sensibility, specificity, positive predictive value and negative predictive value) of both the pre-defined systematic axillary ultrasound imaging workflow combined with tumor load information of suspicious and sentinel axillary lymph nodes for identifying patients with low axillary tumor load will be reported.Low axillary tumor load is defined as two or less infiltrated axillary lymph nodes. 24 months
Secondary Number of infiltrated axillary lymph nodes detected by physical exploration The difference between the number of positive lymph nodes identified in the final pathology exam and the nodes described as suspicious in physical exploration will be recorded to establish if physical exploration correctly estimates, underestimates or overestimates axillary tumour load. 24 months
Secondary Number of infiltrated lymph nodes detected by computed tomography The difference between the number of positive lymph nodes identified in the final pathology exam and the nodes described as suspicious in computed tomography will be recorded to establish if physical exploration correctly estimates, underestimates or overestimates axillary tumour load. 24 months
Secondary Number of infiltrated lymph nodes detected by magnetic resonance The difference between the number of positive lymph nodes identified in the final pathology exam and the nodes described as suspicious in magnetic resonance will be recorded to establish if magnetic resonance correctly estimates, underestimates or overestimates axillary tumour load. 24 months
Secondary Number of patients with low axillary tumor load among menopause status categories The number of patients with low axillary tumor load in each menopause category will be reported. Patients will be categorized according to their menopausal status (pre-menopause and menopause). 24 months
Secondary Number of patients with low axillary tumor load among each breast cancer pathology subtype. The number of patients with low axillary tumor load in each breast cancer pathology subtype (non-specified invasive carcinoma, lobular carcinoma and other carcinomas) will be reported 24 months
Secondary Number of patients with low axillary tumor load among each breast cancer immunophenotype. The number of patients with low axillary tumor load in each breast cancer immunophenotypes (luminal , Her2 positive and triple negative carcinomas) will be reported 24 months
Secondary Number of patients with infiltrated nodes exclusively in the inferior axillary node clearance. The number of patients with infiltrated nodes exclusively in the inferior axillary node clearance wil be reported. This information shall be obtained from the final pathology report. 24 months
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