Skip to main content
Top
Published in: European Spine Journal 3/2017

01-03-2017 | Review Article

Radiological and clinical outcomes of novel Ti/PEEK combined spinal fusion cages: a systematic review and preclinical evaluation

Authors: Yusuf Assem, Ralph J. Mobbs, Matthew H. Pelletier, Kevin Phan, William R. Walsh

Published in: European Spine Journal | Issue 3/2017

Login to get access

Abstract

Purpose

The primary objective of this paper was to provide a systematic review of the available clinical studies of Ti/PEEK combined cages in spinal interbody fusion surgeries, focusing on their radiological and clinical outcomes. A secondary aim was to provide a review and evaluation of the in vitro and preclinical studies reported on Ti/PEEK-coated implants.

Methods

A systematic search of the literature was performed in March 2015 via three databases: Medline, Embase and Cochrane library. The following key search terms were combined with synonyms to identify relevant articles: “spinal fusion,” “PEEK,” “titanium” and “cage.”

Results

The novelty of this intervention translates into a paucity of clinical trials, albeit the results of the seven clinical studies that met the criteria for inclusion are promising. All studies reported rate of fusion as a primary outcome. Two studies reported slightly improved fusion in the experimental Ti/PEEK combination cohort, one study identical fusion (91.7 %) and three studies excellent fusion (96, 100 and 94 %) in the Ti/PEEK cohort, although no differences reached statistical significance.

Conclusions

Clinical studies at this early stage demonstrate that Ti/PEEK implants are safe and efficacious, exhibiting similar fusion rates and clinical outcomes compared to the current standard PEEK. There is clinical evidence substantiating the improved radiographic fusion of Ti/PEEK, albeit the differences were not significant. This field is promising, gaining substantial popularity, and further clinical trials are needed in the future to establish Ti/PEEK cages as a mainstay of clinical practice.
Appendix
Available only for authorised users
Literature
1.
go back to reference Tsantrizos A, Andreou A, Aebi M, Steffen T (2000) Biomechanical stability of five stand-alone anterior lumbar interbody fusion constructs. Eur Spine J 9(1):14–22CrossRefPubMedPubMedCentral Tsantrizos A, Andreou A, Aebi M, Steffen T (2000) Biomechanical stability of five stand-alone anterior lumbar interbody fusion constructs. Eur Spine J 9(1):14–22CrossRefPubMedPubMedCentral
3.
go back to reference Mobbs RJ, Loganathan A, Yeung V, Rao PJ (2013) Indications for anterior lumbar interbody fusion. Orthop Surg 5(3):153–163CrossRefPubMed Mobbs RJ, Loganathan A, Yeung V, Rao PJ (2013) Indications for anterior lumbar interbody fusion. Orthop Surg 5(3):153–163CrossRefPubMed
4.
go back to reference Mobbs RJ, Chung M, Rao PJ (2013) Bone graft substitutes for anterior lumbar interbody fusion. Orthop Surg 5(2):77–85CrossRefPubMed Mobbs RJ, Chung M, Rao PJ (2013) Bone graft substitutes for anterior lumbar interbody fusion. Orthop Surg 5(2):77–85CrossRefPubMed
5.
go back to reference Park Y, Ha JW, Lee YT, Sung NY (2011) The effect of a radiographic solid fusion on clinical outcomes after minimally invasive transforaminal lumbar interbody fusion. Spine J 11(3):205–212CrossRefPubMed Park Y, Ha JW, Lee YT, Sung NY (2011) The effect of a radiographic solid fusion on clinical outcomes after minimally invasive transforaminal lumbar interbody fusion. Spine J 11(3):205–212CrossRefPubMed
6.
go back to reference Martin CR, Gruszczynski AT, Braunsfurth HA, Fallatah SM, O’Neil J, Wai EK (2007) The surgical management of degenerative lumbar spondylolisthesis: a systematic review. Spine 32(16):1791–1798CrossRefPubMed Martin CR, Gruszczynski AT, Braunsfurth HA, Fallatah SM, O’Neil J, Wai EK (2007) The surgical management of degenerative lumbar spondylolisthesis: a systematic review. Spine 32(16):1791–1798CrossRefPubMed
7.
go back to reference Rao PJ, Pelletier MH, Walsh WR, Mobbs RJ (2014) Spine interbody implants: material selection and modification, functionalization and bioactivation of surfaces to improve osseointegration. Orthop Surg 6(2):81–89CrossRefPubMed Rao PJ, Pelletier MH, Walsh WR, Mobbs RJ (2014) Spine interbody implants: material selection and modification, functionalization and bioactivation of surfaces to improve osseointegration. Orthop Surg 6(2):81–89CrossRefPubMed
8.
go back to reference Lam FC, Alkalay R, Groff MW (2012) The effects of design and positioning of carbon fiber lumbar interbody cages and their subsidence in vertebral bodies. J Spinal Disord Tech 25(2):116–122CrossRefPubMed Lam FC, Alkalay R, Groff MW (2012) The effects of design and positioning of carbon fiber lumbar interbody cages and their subsidence in vertebral bodies. J Spinal Disord Tech 25(2):116–122CrossRefPubMed
9.
go back to reference Choi JY, Sung KH (2006) Subsidence after anterior lumbar interbody fusion using paired stand-alone rectangular cages. Eur Spine J 15(1):16–22CrossRefPubMed Choi JY, Sung KH (2006) Subsidence after anterior lumbar interbody fusion using paired stand-alone rectangular cages. Eur Spine J 15(1):16–22CrossRefPubMed
10.
go back to reference Mobbs RJ, Chong E, and Rao P (2014) Bioactive Ti/PEEK interbody cage for ACDF: early results. In: Neurosurgical Society of Australasia Annual Scientific Meeting 2014, Perth, Australia Mobbs RJ, Chong E, and Rao P (2014) Bioactive Ti/PEEK interbody cage for ACDF: early results. In: Neurosurgical Society of Australasia Annual Scientific Meeting 2014, Perth, Australia
11.
go back to reference Sagomonyants KB, Jarman-Smith ML, Devine JN, Aronow MS, Gronowicz GA (2008) The in vitro response of human osteoblasts to polyetheretherketone (PEEK) substrates compared to commercially pure titanium. Biomaterials 29(11):1563–1572CrossRefPubMed Sagomonyants KB, Jarman-Smith ML, Devine JN, Aronow MS, Gronowicz GA (2008) The in vitro response of human osteoblasts to polyetheretherketone (PEEK) substrates compared to commercially pure titanium. Biomaterials 29(11):1563–1572CrossRefPubMed
13.
go back to reference Walsh WR, Bertollo N, Christou C, Schaffner D, Mobbs RJ (2015) Plasma-sprayed titanium coating to polyetheretherketone improves the bone-implant interface. Spine J 15(5):1041–1049CrossRefPubMed Walsh WR, Bertollo N, Christou C, Schaffner D, Mobbs RJ (2015) Plasma-sprayed titanium coating to polyetheretherketone improves the bone-implant interface. Spine J 15(5):1041–1049CrossRefPubMed
14.
go back to reference Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gotzsche PC, Ioannidis JP et al (2009) The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Med 6(7):e1000100CrossRefPubMedPubMedCentral Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gotzsche PC, Ioannidis JP et al (2009) The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Med 6(7):e1000100CrossRefPubMedPubMedCentral
15.
go back to reference Harris JD, Quatman CE, Manring MM, Siston RA, Flanigan DC (2014) How to write a systematic review. Am J Sports Med 42(11):2761–2768CrossRefPubMed Harris JD, Quatman CE, Manring MM, Siston RA, Flanigan DC (2014) How to write a systematic review. Am J Sports Med 42(11):2761–2768CrossRefPubMed
16.
go back to reference Kotsias A, Mularski S, Cabraja M, Kombos T, Süss O (2013) Fusion characteristics in ACDF with partially titanium coated PEEK cages. Eur Spine J 22(11):2582–2669CrossRef Kotsias A, Mularski S, Cabraja M, Kombos T, Süss O (2013) Fusion characteristics in ACDF with partially titanium coated PEEK cages. Eur Spine J 22(11):2582–2669CrossRef
17.
go back to reference Schmitz A, Hoffmeister R, Reimann K, Ertel W (2011) First results of a cervical titanium-coated polyetheretherketone (PEEK)—disc prosthesis. Eur Spine J 20(11):1979–2066CrossRef Schmitz A, Hoffmeister R, Reimann K, Ertel W (2011) First results of a cervical titanium-coated polyetheretherketone (PEEK)—disc prosthesis. Eur Spine J 20(11):1979–2066CrossRef
18.
go back to reference Rickert M, Schreiner S, Rauschmann M (2014) Randomized evaluation of bone ingrowth after intervertebral body fusion with a PEEK and a Titanium coated PEEK TLIF oblique cage. Radiological outcome after 12 months. Eur Spine J 23(11):2473–2569CrossRef Rickert M, Schreiner S, Rauschmann M (2014) Randomized evaluation of bone ingrowth after intervertebral body fusion with a PEEK and a Titanium coated PEEK TLIF oblique cage. Radiological outcome after 12 months. Eur Spine J 23(11):2473–2569CrossRef
19.
go back to reference Süss O, Kühn B, Mularski S (2014) Fusion characteristics in ACDF with titanium-coated carbon fiber enhanced polyetheretherketone cages (tcCF/PEEK). Eur Spine J 23(11):2473–2569CrossRef Süss O, Kühn B, Mularski S (2014) Fusion characteristics in ACDF with titanium-coated carbon fiber enhanced polyetheretherketone cages (tcCF/PEEK). Eur Spine J 23(11):2473–2569CrossRef
20.
go back to reference Külling F, Krebs J, Aebli N, Forster T (2013) Radiologic and clinical outcome of TLIF using CF/PEEK cages coated with titanium. Neuroradiology 55:779–800CrossRef Külling F, Krebs J, Aebli N, Forster T (2013) Radiologic and clinical outcome of TLIF using CF/PEEK cages coated with titanium. Neuroradiology 55:779–800CrossRef
21.
go back to reference Schnake K, Weil S, Langheinrich A, Hoffmann CH, Pingel A, Scholz M et al (2013) Randomised clinical and radiological trial comparing PEEK with titanium-coated PEEK-cages for PLIF surgery. Eur Spine J 22(11):2582–2669CrossRef Schnake K, Weil S, Langheinrich A, Hoffmann CH, Pingel A, Scholz M et al (2013) Randomised clinical and radiological trial comparing PEEK with titanium-coated PEEK-cages for PLIF surgery. Eur Spine J 22(11):2582–2669CrossRef
22.
go back to reference Benneker LM, Aksekili M, Seidel U, Haefeli P, Keel M (2014) 2 years experiences with a new Titanium coated radiolucent TLIF cage. Eur Spine J 23(11):2473–2569CrossRef Benneker LM, Aksekili M, Seidel U, Haefeli P, Keel M (2014) 2 years experiences with a new Titanium coated radiolucent TLIF cage. Eur Spine J 23(11):2473–2569CrossRef
23.
go back to reference Fujibayashi S, Takemoto M, Neo M, Matsushita T, Kokubo T, Doi K et al (2011) A novel synthetic material for spinal fusion: a prospective clinical trial of porous bioactive titanium metal for lumbar interbody fusion. Eur Spine J 20(9):1486–1495CrossRefPubMedPubMedCentral Fujibayashi S, Takemoto M, Neo M, Matsushita T, Kokubo T, Doi K et al (2011) A novel synthetic material for spinal fusion: a prospective clinical trial of porous bioactive titanium metal for lumbar interbody fusion. Eur Spine J 20(9):1486–1495CrossRefPubMedPubMedCentral
25.
go back to reference Diedrich O, Perlick L, Schmitt O, Kraft CN (2001) Radiographic characteristics on conventional radiographs after posterior lumbar interbody fusion: comparative study between radiotranslucent and radiopaque cages. J Spinal Disord 14(6):522–532CrossRefPubMed Diedrich O, Perlick L, Schmitt O, Kraft CN (2001) Radiographic characteristics on conventional radiographs after posterior lumbar interbody fusion: comparative study between radiotranslucent and radiopaque cages. J Spinal Disord 14(6):522–532CrossRefPubMed
26.
go back to reference Han CM, Lee EJ, Kim HE, Koh YH, Kim KN, Ha Y et al (2010) The electron beam deposition of titanium on polyetheretherketone (PEEK) and the resulting enhanced biological properties. Biomaterials 31(13):3465–3470CrossRefPubMed Han CM, Lee EJ, Kim HE, Koh YH, Kim KN, Ha Y et al (2010) The electron beam deposition of titanium on polyetheretherketone (PEEK) and the resulting enhanced biological properties. Biomaterials 31(13):3465–3470CrossRefPubMed
27.
go back to reference Wu X, Liu X, Wei J, Ma J, Deng F, Wei S (2012) Nano-TiO2/PEEK bioactive composite as a bone substitute material: in vitro and in vivo studies. Int J Nanomed 7:1215–1225 Wu X, Liu X, Wei J, Ma J, Deng F, Wei S (2012) Nano-TiO2/PEEK bioactive composite as a bone substitute material: in vitro and in vivo studies. Int J Nanomed 7:1215–1225
28.
go back to reference Schaffarczyk D, Lauweryns P, Willems K (2014) Functionalized PEEK surface for biomimetic spine-fusion-implants: comparison of BIC and BV/TV values of titanium coated and un-coated PEEK implants in an animal model. Eur Spine J 23(11):2473–2569CrossRef Schaffarczyk D, Lauweryns P, Willems K (2014) Functionalized PEEK surface for biomimetic spine-fusion-implants: comparison of BIC and BV/TV values of titanium coated and un-coated PEEK implants in an animal model. Eur Spine J 23(11):2473–2569CrossRef
29.
go back to reference Portalupi S, von Elm E, Schmucker C, Lang B, Motschall E, Schwarzer G et al (2013) Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics. Syst Rev 2(2):2CrossRefPubMedPubMedCentral Portalupi S, von Elm E, Schmucker C, Lang B, Motschall E, Schwarzer G et al (2013) Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics. Syst Rev 2(2):2CrossRefPubMedPubMedCentral
30.
go back to reference Sox H, McNeil B, Eden J, Wheatley B (2008) Knowing What works in health care: a roadmap for the nation. National Academies Press, Washington, DC Sox H, McNeil B, Eden J, Wheatley B (2008) Knowing What works in health care: a roadmap for the nation. National Academies Press, Washington, DC
31.
go back to reference Scherer RW, Huynh L, Ervin AM, Taylor J, Dickersin K (2013) ClinicalTrials.gov registration can supplement information in abstracts for systematic reviews: a comparison study. BMC Med Res Methodol 13:79CrossRefPubMedPubMedCentral Scherer RW, Huynh L, Ervin AM, Taylor J, Dickersin K (2013) ClinicalTrials.gov registration can supplement information in abstracts for systematic reviews: a comparison study. BMC Med Res Methodol 13:79CrossRefPubMedPubMedCentral
32.
go back to reference Tumialán LM, Pan J, Rodts GE Jr, Mummaneni PV (2008) The safety and efficacy of anterior cervical discectomy and fusion with polyetheretherketone spacer and recombinant human bone morphogenetic protein–2: a review of 200 patients. J Neurosurg 8(6):529–535 Tumialán LM, Pan J, Rodts GE Jr, Mummaneni PV (2008) The safety and efficacy of anterior cervical discectomy and fusion with polyetheretherketone spacer and recombinant human bone morphogenetic protein–2: a review of 200 patients. J Neurosurg 8(6):529–535
33.
go back to reference Ni J, Zheng Y, Liu N, Wang X, Fang X, Phukan R et al (2015) Radiological evaluation of anterior lumbar fusion using PEEK cages with adjacent vertebral autograft in spinal deformity long fusion surgeries. Eur Spine J 24(4):791–799PubMed Ni J, Zheng Y, Liu N, Wang X, Fang X, Phukan R et al (2015) Radiological evaluation of anterior lumbar fusion using PEEK cages with adjacent vertebral autograft in spinal deformity long fusion surgeries. Eur Spine J 24(4):791–799PubMed
34.
go back to reference Young JM, Solomon MJ (2009) How to critically appraise an article. Nat Clin Pract Gastroenterol Hepatol 6(2):82–91CrossRefPubMed Young JM, Solomon MJ (2009) How to critically appraise an article. Nat Clin Pract Gastroenterol Hepatol 6(2):82–91CrossRefPubMed
35.
go back to reference Geneletti S, Richardson S, Best N (2009) Adjusting for selection bias in retrospective, case–control studies. Biostatistics 10(1):17–31CrossRefPubMed Geneletti S, Richardson S, Best N (2009) Adjusting for selection bias in retrospective, case–control studies. Biostatistics 10(1):17–31CrossRefPubMed
36.
go back to reference Kersten RFMR, van Gaalen SM, de Gast A, Öner FC (2013) Polyetheretherketone (PEEK) cages in cervical applications: a systematic review. Spine J 15(6):1446–1460CrossRefPubMed Kersten RFMR, van Gaalen SM, de Gast A, Öner FC (2013) Polyetheretherketone (PEEK) cages in cervical applications: a systematic review. Spine J 15(6):1446–1460CrossRefPubMed
37.
go back to reference Goldstein C, Petis S, Kowalczuk M, Drew B, Petrisor B, Bhandari M (2010) Radiologic assessment of lumbar spine fusion: is it confused? Spine J 10(9):S71CrossRef Goldstein C, Petis S, Kowalczuk M, Drew B, Petrisor B, Bhandari M (2010) Radiologic assessment of lumbar spine fusion: is it confused? Spine J 10(9):S71CrossRef
Metadata
Title
Radiological and clinical outcomes of novel Ti/PEEK combined spinal fusion cages: a systematic review and preclinical evaluation
Authors
Yusuf Assem
Ralph J. Mobbs
Matthew H. Pelletier
Kevin Phan
William R. Walsh
Publication date
01-03-2017
Publisher
Springer Berlin Heidelberg
Published in
European Spine Journal / Issue 3/2017
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI
https://doi.org/10.1007/s00586-015-4353-8

Other articles of this Issue 3/2017

European Spine Journal 3/2017 Go to the issue