Cerapedics receives FDA approval to initiate IDE study of P-15L bone graft for TLIF surgery

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Cerapedics receives FDA approval for an IDE clinical trial evaluating the efficacy of P-15L peptide enhanced bone graft compared to autograft in TLIF surgery for degenerative disc disease

Cerapedics, a privately-held orthobiologics company, has announced the company received approval from the US Food and Drug Administration (FDA) to initiate an investigational device exemption (IDE) clinical trial evaluating the safety and efficacy of P-15L peptide enhanced bone graft compared to autograft in transforaminal lumbar interbody fusion (TLIF) surgery for degenerative disc disease.

Spinal fusion procedures such as TLIF involve joining and stabilising one or more vertebrae to reduce pain and nerve irritation. A bone graft, which has historically been obtained from the patient’s pelvis, is placed in the interbody space to promote fusion. P-15L Bone Graft is based on proprietary synthetic small peptide (P-15) technology developed by Cerapedics to support bone growth through cell attraction, attachment and activation, and is designed to be used as a substitute for autologous bone.

The prospective, single-blinded, multi-centre, randomised, non-inferiority pivotal IDE study will evaluate the safety and efficacy of P-15L Bone Graft compared to use of an autologous bone graft when applied in TLIF surgery. The study will include 364 patients with degenerative disc disease at up to 30 clinical trial sites across the USA. Patients will be assessed prior to surgery and six weeks, three months, 12 months, and 24 months post-surgery. The primary endpoint for the study is composite clinical success at 24 months based on several factors including the achievement of radiographic fusion (assessed by CT), at least a 15-point improvement in the Oswestry Disability Index (ODI), no new or worsening persistent neurological deficit, and no subsequent surgical intervention at the index level. Clinical investigators are permitted to use any FDA cleared static PEEK interbody device and any FDA cleared pedicle fixation system delivered through either an open or minimally invasive TLIF technique.

Paul M Arnold (Department of Neurosurgery, University of Kansas Medical Center, Kansas, USA), principal investigator of the IDE study, comments, “Prior research of this proprietary P-15 technology has demonstrated potential benefits in fusion rates, neurological outcomes and safety in cervical and lumbar fusions. We are pleased to participate in a new study evaluating whether similar results can be achieved in a wider range of patients with degenerative disc disease utilising the next generation P-15L product.”

Glen Kashuba, chief executive officer of Cerapedics, says, “With regulatory approval to begin a new IDE study of P-15L Bone Graft in TLIF procedures, we are now in position to collect additional Level 1 human clinical data on our next-generation advanced drug-device combination bone graft. Several hundred thousand people in the U.S. need surgery for degenerative disc disease every year, and it is our goal to offer surgeons a safe and effective alternative to a patient’s own bone as well as address the evidence gap around commercial bone grafts often used in these procedures.”

In November 2015, Cerapedics received Premarket Approval (PMA) from the FDA for the use of i-FACTOR Bone Graft in anterior cervical discectomy and fusion (ACDF) procedures. The company is initiating enrollment in the newly approved TLIF IDE study with the expectation that the results from the study will support a PMA application.

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