Head of Neurosurgery

 Languages : French & English

Experience & Education

  • Partnership CHRU Lille & Institut Calot since 2018

  • Professor of Neurosurgery since 2002

  • PhD Thesis, biotechnologies mention, University of Lille

  • Neurosurgery specialty, CHRU Lille, University of Lille

  • MD graduation from the University of Liege (Belgium)


  • Highly specialized in Spine Surgery, worldwide reputation

  • Use of O-Arm and minimally invasive techniques during surgery procedures

  • Endoscopic spine surgery

  • Complex spine surgery


1. A European panel study using the RAND/UCLA methodology

 Defining appropriate treatment choice in patients with persisting pain following initial spine surgery

2. Multicentric European prospective Study Etude

 A Prospective, 5-Year Global Study on MAST™ Minimally Invasive Fusion Procedures for the Treatment of the Degenerative Lumbar Spine (MASTERS-D2)

                     Identifier: NCT02617563

 The purpose of this study is to evaluate the effectiveness of MAST techniques for anterior/lateral and posterior approaches in patients with spondylolisthesis (≥ grade I). To assess how single or double level MAST(Minimal Access Spinal Technologies) fusion procedures PLIF (Posterior Lumbar Interbody Fusion), TLIF (Transforaminal Lumbar Interbody Fusion), DLIF (Direct Lateral Interbody Fusion), OLIF (Oblique Lumbar Interbody Fusion), ALIF (Anterior Lumbar Interbody Fusion), or MIDLF (Midline Lumbar Interbody Fusion) are used in surgical practice and to describe long-term safety and effectiveness in a broad patient population of patients with degenerative lumbar disc disease .

 3. Project of clinical research presented by the neusurgery clinic and submitted to the clinical research federation and about to be corrected.

 " Comparaison de l’arthrodèse circonférentielle trans-foraminale (TLIF) et de l’arthrodèse par voie antérolatérale (OLIF) associée à une ostéosynthèse percutanée pour le traitement des spondylolisthésis lombaires par lyses isthmiques symptomatiques".

4. Project of creation of an international observational and prospective register of lumbar arthroplasty. The study, registered under the reference (NCT01338493), ended in 2014 was the purpose of many publications and an article in the ESJ (European Spine Journal) and has been awarded at the Eurospine congress in 2016 as the best publication in the "clinical science" category.



Richard Assaker1, Karsten Ritter-Lang2, Dominique Vardon3, Stéphane Litrico4, Stéphane

Fuentes5, Michael Putzier6, Jörg Franke7, Peter Jarzem8, Pierre Guigui9, Gérard

Nakach10, Jean-Charles Le Huec11

5. Neurogenic Intermittent Claudication Evaluation Study (NICE) Identifier: NCT00905359


A Multicenter Prospective Randomized Controlled Clinical Trial to Evaluate the Effectiveness and Safety of the Aperius™ PercLID™ System Versus Standalone Decompressive Surgery in Degenerative Lumbar Spinal Stenosis With Neurogenic Intermittent Claudication

The objective of the NICE study is to provide clinical evidence proving that the Aperius™ PercLID™ System is safe and non-inferior to standalone decompressive surgery with regards to clinical outcomes in patients suffering from Degenerative Lumbar Spinal Stenosis with Neurogenic Intermittent Claudication, relieved by flexion.


  • Member of the French Society of Neurosurgery
  • Board member and member of the French speaking Society of Neurosurgery
  • Former President of the French speaking society of Spine Neurosurgery SFNCR
  • Former President of the French Society of Spine Surgery SFCR
  • Member of the French Society of Spine Surgery
  • Past chairperson of AO Spine France (Education and Research Fondation)
  • Member of the Spine Societies of Europe SSE
  • Member of the North American Spine Societies NASS
  • Member of the International Educational Committee of the NASS
  • Chairman of the international education residents program
  • Member of the study group of the UEMS (European Union Specialist physicians) (Creation of a learning curriculum of the spine pathologies treatment).
  • Former member of the Educational Committee of Eurospine (Spine societies of Europe)
  • Former board member of the EANS - Spine section
  • Board member of the GEMO (Study group on Bony Metastasis).
  • Member of the National Club of Hypophisis


Orthopedic Surgeon

Languages : French & English

Experience & Education

  • Surgeon at the Institut Calot since 2008
  • Surgeon in Dijon for 12 years
  • Surgical Intern & Chief resident in CHU Dijon
  • MD graduation from the University of Lille


  • Highly specialized in Hip & Knee replacement
  • Use of Mako Stryker for Knee replacements
  • Sports traumatology and surgery
  • Prosthesis complications
  • Joint infections


Member of the French Society of Arthroscopy (SFA)
Member of the French Society of Orthopedic and Traumatological Surgery (SOFCOT)


Orthopedic Surgeon

Languages : French, English & Arabic



  • Surgeon at the Institut Calot since 2014
  • Surgical Intern at the Institut Calot (2011-2014)
  • University Diploma of Arthroscopy in Versailles
  • University Diploma of Microsurgery
  • Orthopedic surgery residency in Beirut (Lebanon)
  • MD graduation from the Lebanese University of Beirut (Lebanon)


  • Highly specialized in Arthroscopy (shoulder, hip & knee)
  • Hip & Knee replacement
  • Use of Mako Stryker for knee replacement
  • Sports traumatology (ACL, meniscus)


  • Member of the the French Society of Arthroscopy (SFA)



Orthopedic Surgeon

Languages : French, English & Arabic


  • Orthopedic surgeon at Institut Calot since 2017
  • Diploma in sports traumatology from Paris VI University , Pierre et Marie Curie , France 2017
  • Diploma in flap surgery from Lille University , France 2017
  • Diploma in specialized medical formation in orthopedic surgery from Lille University , France 2017
  • Certificate of specialized medical formation in orthopedic surgery from Catholic University of Louvain UCL , Belgium 2017
  • Diploma in Orthopedic surgery , Lebanese University 2016
  • MD graduation from Lebanese University , Lebanon 2011

Continuing Education

  • Lab Course on shoulder instabilities ,Arthrolab Arthrex, France 2021
  • European Union EU Mako Masters, Robotic knee surgery  Stryker , France 2021
  • Advanced lab course on Foot and ankle minimally invasive surgery  GRECMIP , France 2020
  • Knee Mako robotic surgery, Stryker , Luxembourg 2020
  • Ankle Master class on ankle arthritis/ Prosthesis, Cad lab Academy, Germany 2019
  • Basic and advanced courses on Foot and ankle minimally invasive surgery  GRECMIP, Spain 2019
  • Arthrex foot and ankle workshop on ankle instabilities, Arthrolab, Munich 2019
  • Foot and ankle lab course on arthritis ,Stryker , France 2018
  • Hexapod external fixator course, France 2018


  • Knee (meniscal and ligamentous pathologies , arthritis / Robotic knee replacement)
  • Shoulder (rotator cuff tear, arthritis, instability/ Arthroscopy, Arthroplasty , stabilization surgeries )
  • Foot and Ankle (foot deformities, tendinitis , arthritis )
  • Sports Traumatology


  • Member of the Group of Research and Study of Minimally Invasive Surgery of the Foot (GRECMIP)
  • Member of the French Society of Orthpedic and Traumatology Surgery (SOFCOT)

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