Research and Clinical Trials | Dr. Kris Radcliff

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Research and Clinical Trials

Dr. Kris Radcliff is a fellowship-trained orthopaedic and neurological spine surgeon and Professor at Thomas Jefferson University. Alongside thousands of surgeries, he has spent his career studying which spine treatments work best and for whom. He has authored more than 180 peer-reviewed scientific papers, and much of that research focuses on the operations he performs every week, including artificial disc replacement and alternatives to fusion.

For patients, this matters because the recommendations you receive are based on evidence, including long-term results that Dr. Radcliff has helped measure himself.

Clinical trials and research roles

Investigator in the FDA clinical trial (IDE study) of the Simplify cervical artificial disc
Member of the Data Safety Monitoring Board for the TOPS facet replacement system
First author of long-term results from multicenter, randomized FDA trials of cervical and lumbar disc replacement
Invited course faculty for the Society for Minimally Invasive Spine Surgery (SMISS) in 2026
Course faculty for prodisc artificial disc replacement and TOPS facet replacement

Artificial disc replacement

Long-term evaluation of cervical disc arthroplasty with the Mobi-C disc: seven-year follow-up of a randomized, multicenter trial (International Journal of Spine Surgery, 2017)
Final long-term reporting from a randomized FDA trial of lumbar artificial discs: 7-year results (International Journal of Spine Surgery, 2021)
Five-year results of two-level cervical disc replacement compared with fusion (Journal of Neurosurgery: Spine, 2016)
Five-year reoperation rates of two-level lumbar disc replacement versus fusion (Clinical Spine Surgery, 2018)
Seven-year cost-effectiveness of prodisc-C total disc replacement (Journal of Neurosurgery: Spine, 2016)
Motion of cervical disc replacement leads to less adjacent-level degeneration: 7-year results (International Journal of Spine Surgery, 2022)
Adjacent segment disease after cervical disc replacement versus fusion: a meta-analysis (Spine, 2013)
Cervical total disc replacement: long-term outcomes (Neurosurgery Clinics of North America, 2021)

Spinal stenosis, spondylolisthesis and alternatives to fusion

Adjacent segment disease in the lumbar spine after different treatments (The Spine Journal, 2013)
Risk of reoperation after surgery for lumbar stenosis: an analysis of the SPORT trial (Spine, 2013)
The CARDS classification for degenerative spondylolisthesis (The Spine Journal, 2014)
National trends in fusion techniques for degenerative spondylolisthesis (Spine, 2014)

Sciatica and herniated discs

The impact of epidural steroid injections on outcomes for lumbar disc herniation: a SPORT trial analysis (Journal of Bone and Joint Surgery, 2012)
How the duration of symptoms affects treatment outcomes for lumbar disc herniation (Journal of Bone and Joint Surgery, 2011)
Which factors are associated with outcomes after discectomy? (Clinical Orthopaedics and Related Research, 2015)
Microdiscectomy insurance criteria are inconsistent and unnecessarily restrictive (International Journal of Spine Surgery, 2024)

Minimally invasive and robotic surgery

Clinical outcomes of robotic versus freehand screw placement in lumbar fusion (Global Spine Journal, 2021)
Lasers in spine surgery (Journal of the American Academy of Orthopaedic Surgeons, 2019)
Adjacent segment disease after minimally invasive versus open fusion (Orthopaedic Surgery, 2014)

Spinal cord and trauma care

AOSpine classification system for neck injuries (European Spine Journal, 2015)
Undiagnosed cervical myelopathy in patients with hip fracture (Journal of Orthopaedic Trauma, 2016)

See Dr. Radcliff’s full publication list on PubMed

See Dr. Radcliff

Call 609-800-3472, book online, or send your MRI for a review. Offices in Somers Point, Cherry Hill and Brick.

Disclosure: Dr. Radcliff has served as an investigator, course faculty member or safety board member for spine device companies, including those mentioned on this page.