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'''Premia Spine TOPS System''' is an [[Food and Drug Administration|FDA]]-approved mechanical medical device that serves as an alternative to lumbar interbody fusion surgery after decompression. It is developed by '''Premia Spine.'''<ref>{{Cite web |title=Neurosurgical & Spine Institute |url=https://neurologicalinstitute.com/tops/index.html |access-date=2024-05-09 |website=neurologicalinstitute.com}}</ref>
'''Premia Spine TOPS System''' is an [[Food and Drug Administration|FDA]]-approved mechanical medical device that serves as an alternative to lumbar interbody fusion surgery after decompression. It is developed by '''Premia Spine.'''<ref>{{Cite web |title=Neurosurgical & Spine Institute |url=https://neurologicalinstitute.com/tops/index.html |access-date=2024-05-09 |website=neurologicalinstitute.com}}</ref>


As a modern alternative to spinal fusion in the [[lumbar]] region of the spine, it helps achieve normal movement for axial rotation, lateral bending, extension, and flexion.<ref name = "John_2023">{{Cite web | vauthors = John P |date=2023-10-11 |title=What If There's a Better Way? Exploring Premia Spine's TOPS System |url=https://media-talks.hashnode.dev/what-if-theres-a-better-way-exploring-premia-spines-tops-system |access-date=2024-05-09 |website=Media Talks |language=en}}</ref> The TOPS System is designed to implant diseased levels between L2-L3, L3-L4, and L4-L5.<ref>{{Cite web |title=What They Don't Tell You About Spinal Fusion by Martin Gray |url=https://www.apsense.com/article/what-they-dont-tell-you-about-spinal-fusion.html |access-date=2024-05-09 |website=www.apsense.com |language=en}}</ref> It offers new methods for the non-fusion treatment of degenerative spondylolisthesis and spinal stenosis.<ref>{{Cite web |last=vasundhara |date=2022-09-08 |title=Premia Spine reports positive data from TOPS System study |url=https://www.medicaldevice-network.com/news/premia-spine-tops-system-study/ |access-date=2024-05-09 |website=Medical Device Network |language=en-US}}</ref>
As a modern alternative to spinal fusion in the [[lumbar]] region of the spine, it helps achieve normal movement for [[Rotation around a fixed axis|axial rotation]], lateral bending, extension, and flexion.<ref name = "John_2023">{{Cite web | vauthors = John P |date=2023-10-11 |title=What If There's a Better Way? Exploring Premia Spine's TOPS System |url=https://media-talks.hashnode.dev/what-if-theres-a-better-way-exploring-premia-spines-tops-system |access-date=2024-05-09 |website=Media Talks |language=en}}</ref> The TOPS System is designed to implant diseased levels between L2-L3, L3-L4, and L4-L5.<ref>{{Cite web |title=What They Don't Tell You About Spinal Fusion by Martin Gray |url=https://www.apsense.com/article/what-they-dont-tell-you-about-spinal-fusion.html |access-date=2024-05-09 |website=www.apsense.com |language=en}}</ref> It offers new methods for the non-fusion treatment of degenerative spondylolisthesis and spinal stenosis.<ref>{{Cite web |last=vasundhara |date=2022-09-08 |title=Premia Spine reports positive data from TOPS System study |url=https://www.medicaldevice-network.com/news/premia-spine-tops-system-study/ |access-date=2024-05-09 |website=Medical Device Network |language=en-US}}</ref>


== Method ==
== Method ==

Revision as of 03:32, 10 May 2024

Premia Spine TOPS System is an FDA-approved mechanical medical device that serves as an alternative to lumbar interbody fusion surgery after decompression. It is developed by Premia Spine.[1]

As a modern alternative to spinal fusion in the lumbar region of the spine, it helps achieve normal movement for axial rotation, lateral bending, extension, and flexion.[2] The TOPS System is designed to implant diseased levels between L2-L3, L3-L4, and L4-L5.[3] It offers new methods for the non-fusion treatment of degenerative spondylolisthesis and spinal stenosis.[4]

Method

Premia Spine developed the TOPS System and initiated a pivotal US trial to compare it with the traditional transforaminal lumbar interbody fusion (TLIF) procedure. Results showed that the TOPS System offers significant clinical, health, and societal benefits over TLIF. Under the Investigational Device Exemption (IDE) study by the FDA, the system was available to a limited number of U.S. patients at select hospitals and institutions.[5]

In March 2021, the U.S. Food and Drug Administration (FDA) granted a “breakthrough device designation” (FDA’s initiative for medical devices that significantly improve treatment of severe or debilitating conditions) to the TOPS System.[6][7]

In 2023, the U.S. Food and Drug Administration approved the TOPS System as an implant designed to stabilize the lower spine and maintain the range of motion after surgery to relieve compressed nerves (lumbar decompression surgery).[8][9]

Surgical procedure

The TOPS System is a unitary implant composed of two titanium plates connected by an interlocking flexible articulating core. It has metal arms connecting horizontally to pedicles with four polyaxial screws. The device can be implanted after a standard decompression by removing the lamina and medial facets in a "posterior arthroplasty" procedure.[10][11][12] The TOPS System replaces the bony and soft tissue removed during spinal decompression surgery and implants them at the affected spine segment to aid the patient's flexibility.[9][13]

Uses

It treats patients diagnosed with common degenerative spinal diseases such as lumbar spinal stenosis, which occurs when the small joints between the vertebrae compress the spinal nerve roots in the lower back and Grade 1 spondylolisthesis occurs when one vertebra "slips" over the one below it. One of the differences between the TOPS System and traditional fusion surgery is that the TOPS device allows the patient physical stability and a greater range of movement in all directions.[14][15][2]

The TOPS System treats spinal stenosis, spondylolisthesis, and other facet joint conditions by stabilizing the lumbar spine and allowing controlled movement. Post-surgery, patients regain the ability to bend, flex, and walk, enjoying immediate and lasting pain relief.[16][9][neutrality is disputed]

Clinical trials

Introduced in 2005, the TOPS system was clinically proven to reduce pain and maintain spinal mobility.[17][18] Studies highlighted its ability to preserve spine biomechanics, measuring effects on disc strain and bulge. Pain and quality of life improvements were quantitatively assessed using the Visual Analog Scale (VAS), Oswestry Disability Index (ODI), and Short Form 36 (SF-36). X-rays, CT scans, and MRIs were used to monitor the implant for adverse events or changes.[2][19][10]

A 2012 study presented in Barcelona found that one in four elderly patients who had lumbar spinal fusion for lumbar spinal stenosis (LSS) or spondylolisthesis needed a second spinal surgery within two years. Additionally, nearly half of these patients were readmitted to the hospital due to complications. Comparatively, Premia Spine's follow-ups over five years in Belgium and Israel suggest that the TOPS System yields significantly better outcomes, with a preoperative complication rate under five percent.[20][21][22][23]

In March 2021, Premia Spine received FDA breakthrough device designation for its Tops facet arthroplasty system.[24]

In July 2021, Jared Ament presented the clinical and economic evidence supporting the TOPS facet arthroplasty system at the Spine Summit, San Diego, demonstrating its cost-effectiveness compared to TLIF for treating spondylolisthesis and spinal stenosis.[25][26][27]

In November 2021, its intermediate clinical study results, presented at the Society for Minimally Invasive Spine Surgery (SMISS) supported the use of the TOPS System for lumbar spinal stenosis and degenerative spondylolisthesis.[28][29]

In June 2022, a study published in the Journal of Health Economics and Outcomes Research demonstrated that the TOPS System offers significant health and societal benefits compared to TLIF in treating degenerative spondylolisthesis and stenosis.[5][30][31][32]

In September 2022, the journal Operative Neurosurgery published a single-center study evaluating its TOPS System for lumbar spinal stenosis and degenerative spondylolisthesis.[33] The paper "Mobility-Maintaining Arthroplasty of the Lumbar Spine with the Second-Generation TOPS System" by Werner Lack, Hans Paul Kutschera, and Josef Krugluge found that the TOPS facet replacement can relieve leg and back pain while maintaining nearly normal range-of-motion for four years without causing adjacent segment disease. The study also noted that the TOPS System uniquely helps patients maintain natural sagittal balance, offering new options for non-fusion treatment of degenerative spondylolisthesis and spinal stenosis.[34]

FDA Approval Study

Premia Spine received FDA approval to start an IDE trial of the TOPS System with 300 to 500 patients across up to 40 U.S. centers, randomizing participants into TOPS (67%) or fusion (33%) arms. The trial aims to compare the efficacy of TOPS versus TLIF in stabilizing one lumbar level (L2-L5) after decompression in patients with moderate lumbar spinal stenosis and Grade 1 spondylolisthesis, including conditions like thickened ligamentum flavum or scarred facet joints.[35][2]

In September 2022, Dr. Dom Coric and colleagues published a study in the Journal of Neurosurgery Spine, which demonstrated that the TOPS System, a motion-preserving treatment for lumbar stenosis with degenerative spondylolisthesis, outperformed TLIF in clinical success rates.[36][37]

In its approval report, the FDA noted that a clinical study involving 115 patients treated with the TOPS System showed a 76.7% success rate at the 24-month follow-up.[38]

References

  1. ^ "Neurosurgical & Spine Institute". neurologicalinstitute.com. Retrieved 2024-05-09.
  2. ^ a b c d John P (2023-10-11). "What If There's a Better Way? Exploring Premia Spine's TOPS System". Media Talks. Retrieved 2024-05-09.
  3. ^ "What They Don't Tell You About Spinal Fusion by Martin Gray". www.apsense.com. Retrieved 2024-05-09.
  4. ^ vasundhara (2022-09-08). "Premia Spine reports positive data from TOPS System study". Medical Device Network. Retrieved 2024-05-09.
  5. ^ a b Ament JD, Vokshoor A, Badr Y, Lanman T, Kim KD, Johnson JP (2022-03-25). "A Prospective Study of Lumbar Facet Arthroplasty in the Treatment of Degenerative Spondylolisthesis and Stenosis: Early Cost-effective Assessment from the Total Posterior Spine System (TOPS™) IDE Study". Journal of Health Economics and Outcomes Research. 9 (1): 82–89. doi:10.36469/001c.33035. PMC 9132256. PMID 35620455.
  6. ^ Kirsh D (2021-03-31). "Premia Spine wins FDA breakthrough designation for spinal arthroplasty system". MassDevice. Retrieved 2024-05-09.
  7. ^ "Premia Spine gets FDA breakthrough device status for TOPS spinalsystem". NS Medical Devices. 2021-04-01. Retrieved 2024-05-09.
  8. ^ Office of the Commissioner (16 June 2023). "FDA Roundup". FDA. Retrieved 2024-05-09.
  9. ^ a b c @martingray_json. "Advancements in the Treatment of Degenerative Spondylolisthesis". Minds. Retrieved 2024-05-09.
  10. ^ a b Fiani B, Noblett C, Chacon D, Siddiqi I, Pennington E, Kortz M (December 2020). "Total Posterior Spinal Arthroplasty Systems for Dynamic Stability". Cureus. 12 (12): e12361. doi:10.7759/cureus.12361. PMC 7839802. PMID 33520555.
  11. ^ "Top 5 Modern Medical Products Revolutionizing Healthcare". www.vevioz.com. Retrieved 2024-05-09.
  12. ^ "What They Don't Tell You About Spinal Fusion by Martin Gray". www.apsense.com. Retrieved 2024-05-09.
  13. ^ "Clinical Trials". Orthopedic Institute of Pennsylvania. Retrieved 2024-05-09.
  14. ^ Cappellino A (2020-02-13). "How Safe is the Total Posterior Spine (TOPS) System?". Expert Institute. Retrieved 2024-05-09.
  15. ^ Premia Spine (2022-09-26). A Clinical Study to Assess the Safety and Effectiveness of the Premia Spine TOPS™ System (Report). clinicaltrials.gov.
  16. ^ "TOPS System - Premia Spine | UK Supplier - Lindare Medical". Innovative Spinal Solutions - Lindare Medical. Retrieved 2024-05-09.
  17. ^ "Top 5 Modern Medical Products Revolutionizing Healthcare". Retrieved 2024-05-09.
  18. ^ "Unleashing Pain Relief: Discover the TOPS System's Lumbar Solution". Retrieved 2024-05-09.
  19. ^ "ClinicalTrials.gov". 26 September 2022. Retrieved 2024-05-09.
  20. ^ "Perioperative outcomes, complications, and costs associated with lumbar spinal fusion in older patients with spinal stenosis and spondylolisthesis". Retrieved 2024-05-09.
  21. ^ "Reuters". Reuters. Retrieved 2024-05-09.
  22. ^ "Seven-year follow-up on TOPS" (PDF). European Spine Journal. Retrieved 2024-05-09.
  23. ^ "Approved IDE Studies". CMS. Retrieved 2024-05-09.
  24. ^ "Premia Spine Wins FDA Breakthrough Designation for Spinal Arthroplasty System". Mass Device. 31 March 2021. Retrieved 2024-05-09.
  25. ^ Ament JD, Vokshoor A, Badr Y, Lanman T, Kim KD, Johnson JP (25 March 2022). "A Prospective Study of Lumbar Facet Arthroplasty in the Treatment of Degenerative Spondylolisthesis and Stenosis: Early Cost-Effective Assessment from". Journal of Health Economics and Outcomes Research. 9 (1): 82–89. doi:10.36469/001c.33035. PMID 35620455. Retrieved 2024-05-09.
  26. ^ "Premia Spine Announces Growing Body of Clinical and Economic Data Supporting its TOPS Spinal Arthroplasty System". BioSpace. Retrieved 2024-05-09.
  27. ^ Haleem S, Ahmed A, Ganesan S, McGillion SF, Fowler JL (2021). "Mean 5-Year Follow-Up Results of a Facet Replacement Device in the Treatment of Lumbar Spinal Stenosis and Degenerative Spondylolisthesis". World Neurosurgery. 152: e645–e651. doi:10.1016/j.wneu.2021.06.045. PMID 34144166. Retrieved 2024-05-09.
  28. ^ "Premia Spine's TOPS Spinal Arthroplasty System Yields Positive Patient Outcomes at 6 Weeks through 12 Months". OrthoSpineNews. 4 November 2021. Retrieved 2024-05-09.
  29. ^ "Premia Spine's TOPS Spinal Arthroplasty System Yields Positive Patient Outcomes". Spinal News International. 8 November 2021. Retrieved 2024-05-09.
  30. ^ "Study Data Show Premia Spine's TOPS Spinal Arthroplasty System is Cost-Effective Compared with TLIF, Becomes Dominant Strategy Over Time". Spine Market Group. 2 June 2022. Retrieved 2024-05-09.
  31. ^ "Study Shows Premia Spine's TOPS System is Cost-Effective vs TLIF". Bone Zone Publications. 3 June 2022. Retrieved 2024-05-09.
  32. ^ Ament JD, Vokshoor A, Badr Y, Lanman T, Kim KD, Johnson JP (25 March 2022). "Journal of Health Economics and Outcomes Research". pp. 82–89. doi:10.36469/001c.33035. PMC 9132256. PMID 35620455. Retrieved 2024-05-09.
  33. ^ "Study Shows Premia Spine's TOPS System Is Cost-effective vs. TLIF". BONEZONE. 2022-06-03. Retrieved 2024-05-09.
  34. ^ vasundhara (2022-09-08). "Premia Spine reports positive data from TOPS System study". Medical Device Network. Retrieved 2024-05-09.
  35. ^ Premia Spine (2022-09-26). A Clinical Study to Assess the Safety and Effectiveness of the Premia Spine TOPS™ System (Report). clinicaltrials.gov.
  36. ^ "SpineFirst Leader Promotes Patient Advocacy and State-of-the-Art Technologies at 2022 Spine Summit". Atrium Health. Retrieved 2024-05-09.
  37. ^ "Nucleus replacement devices may yield excellent long-term results in select patients". www.healio.com. Retrieved 2024-05-09.
  38. ^ Center for Devices and Radiological Health (9 August 2023). "TOPS System – P220002". FDA.
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