Spots Global Cancer Trial Database for Study of the Impact of the Femoral Implant "Y-strut" on Lytic Bone Metastases of the Femoral Neck (WAZA-ARY)

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Trial Identification

Brief Title: Study of the Impact of the Femoral Implant "Y-strut" on Lytic Bone Metastases of the Femoral Neck (WAZA-ARY)

Official Title: Prospective Multi-center Study of Impact of Femoral "Y-strut" Implant on Pain and Quality of Life in Patients With Lytic Bone Metastases of the Femoral Neck

Study ID: NCT03887494

Conditions

Neoplasms, Bone Tissue

Pain, Intractable

Hip Fractures

Interventions

Implantation

Study Description

Brief Summary: Bone metastases appear in many cancers. They are associated with severe pain that is refractory to standard treatment. Improving the quality of life and better pain relief is therefore an essential goal of the treatment of metastatic disease. The most common site of long bone metastases is the superior femoral epiphysis. The usual management of patients with bone metastases in the superior femoral epiphysis is based on gamma implant osteosynthesis when there is a known risk of fracture (Mirels score\> 8). Nonetheless this surgery is only accessible to a few patients because of the associated morbidities. Percutaneous cementoplasty has been developed to treat patients who are not eligible for conventional surgery. It consists in a filling of the bone cavity created by metastasis using an acrylic resin. However, these approaches do not completely prevent the risk of upper femoral epiphyseal fracture due to the low mechanical resistance of the resin to shear movements. The Y-STRUT® implantable medical device was developed to overcome this risk of superior femoral epiphyseal fracture by the biomechanical strengthening of the proximal femur in addition to cementoplasty. It has been successfully tested in more than 70 patients with cancer but access to reimbursement and the APHP market have been postponed due to lack of sufficient clinical evidence. The investigators propose this prospective phase 2a study in order to provide evidence of the performance of the Y-STRUT® implant.

Detailed Description: The design consists in a multicenter national open simple arm trial. All eligible patients with a lytic bone metastases of the superior femoral epiphysis will be included. The main objective of this study is to describe the impact of the Y-STRUT® implant on the quality of life of patients with lytic bone metastases of the femoral neck by comparing quality of life scores before and one month after the intervention of implantation of the implant.