Tissue Stresses of Cancer (Force Horizon 2020)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE1/PHASE2

Total Enrollment

200 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-11-30

Study Completion Date

2019-12-31

Brief Summary

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This project is investigating a novel MRI method called Magnetic Resonance Force (MRF). MRF has been developed to accurately estimate tumour stiffness in the breast by measuring the interstitial fluid pressure (IFP).

50 healthy volunteers will be recruited to extend the hardware and establish MRF imaging acquisition protocols for pre and post-menopausal women. Once completed, we will test this new imaging technique with the acquired imaging protocols on 100 patients undergoing surgery as first line of their treatment for their breast cancer to establish a potential biomarker signature predictive of lymph node involvement and metastatic potential. Simultaneously, 50 patients undergoing chemotherapy as first line of their treatment for their breast cancers will be recruited to develop a biomarker signature that could predict response or resistance to neoadjuvant chemotherapy as determined by conventional imaging and histopathology.

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Detailed Description

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Magnetic Resonance Force (MRF) is based on Magnetic Resonance Elastography which uses mechanical waves to quantitatively assess the viscoelastic properties of tumours and the shift in interstitial fluid pressure (or stiffness) of tissues.

It generates 3D images of applied deformation via low frequency acoustic waves within the tissue and provides a snapshot of the apparent stiffening of the tumour border zone. Growth induced stretch of the tumour not only increases stiffness but also alters the apparent change in stiffness due to additional loading. Magnetic Resonance Force (MRF) provides measures of MRE and macro-deformation at multiple load states therefore enabling estimation of tissue properties as well as the stress load relation. Since the stress load relation is related to tumour swelling and modifications, it can be directly linked to the tumour pre-strain and provides an indicator of the underlying interstitial tumour pressure. Using biomechanical models it is possible to directly translate the stress load relation into an estimate of IFP. The same approach also allows quantifying the active pull by cell traction forces (CTFs) coming from the tumour and exerted onto its surroundings. While that force is directed inwards, the force generated by the elevated interstitial fluid pressure (IFP) is directed outwards allowing separation of both effects from each other. These forces represent one of the biomarkers which we will quantify within the this project using MRF.

Conditions

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Breast Cancer Female

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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MRF +/-contrast enhanced MRI

MRF with or without contrast enhanced MRI

Group Type OTHER

MRF scan

Intervention Type OTHER

MRF with or without dynamic contrast-enhanced MRI scans.

Interventions

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MRF scan

MRF with or without dynamic contrast-enhanced MRI scans.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy female pre- and post-menopausal volunteers ≥ 40 years of age
* Pre-menopausal patients between the age of 40-55 years of age will have two scans:

1. Between day 7- 15 of their menstrual cycle and
2. Between day 21-28 of their menstrual cycle
* Postmenopausal patients of 55 years and above will have one scan only.
* No prior history of breast cancer
* Written informed consent to participate in this study

* Females ≥ 18 years of age with a diagnosis of invasive breast cancer with tumour size of at least 5mm as determined by USS
* Scheduled to undergo breast conserving surgery or mastectomy +/- sentinel lymph node biopsy or axillary lymph node dissection
* Written informed consent to participate in this study.

* Females ≥ 18 years of age with a diagnosis of invasive breast cancer
* Scheduled to undergo neoadjuvant systemic chemotherapy
* Written informed consent to participate in this study.

Exclusion Criteria

Contraindications for MRI such as:

* cardiac pacemaker
* metallic implants
* major claustrophobia
* pregnancy or breastfeeding
* Inability to provide written informed consent

* Contraindications for MRI such as:
* cardiac pacemaker
* metallic implants
* major claustrophobia
* prior breast cancer treatment
* pregnancy or breastfeeding
* known allergy against the contrast agent (gadolinium chelate) and renal failure
* Inability to provide written informed consent

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes