DASCOR 3D Feasibility Study

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Study objectives for the DASCOR® 3D Feasibility Study

This study is designed to evaluate the safety and efficacy of the DASCOR® Disc Arthroplasty Device in subjects with degenerative disc disease (DDD) of the lumbar spine.

Design of the DASCOR® 3D Feasibility Study

A non-randomized, prospective, multicenter, evaluation of 20 subjects implanted at up to 10 investigational sites. All subjects chosen to participate in the study will receive the DASCOR device.

Description of the DASCOR® 3D Feasibility Study

The DASCOR® Disc Arthroplasty Device is an in-situ, curable polymer that is designed to replace the degenerated nucleus and to maintain or restore the normal disc function in subjects with DDD of the lumbar spine from L2 to the sacrum.

The DASCOR® is a disc nucleus replacement device

The DASCOR® Disc Arthroplasty System replaces an abnormal disc nucleus with an artificial device that conforms to the disc nucleus space and is designed to perform like a natural healthy nucleus. The DASCOR® Device is different from an entire artificial disc replacement, where the entire spinal disc – not just the nucleus (the inner portion of the disc) – is replaced. Unlike total disc replacement, the DASCOR® procedure is minimally invasive and preserves the anatomy of the spine.

The following images depict steps with the DASCOR® Disc Arthroplasty System:

The surgeon accesses the spine creating a small entry site into the outer portion of the disc. The abnormal nucleus is removed through the entry site and a specially designed balloon is inserted.

A balloon is placed in the disc space and the polymer is injected into the balloon.

The polymer and the balloon adhere together and the catheter is removed.

To view an animation of the DASCOR® procedure, please visit and click on the image of the spine in the center of the page.

Study sponsor
Disc Dynamics, Inc.

Study status

Recruiting patients

Who can participate in the DASCOR® 3D Feasibility Study?

Only a clinical investigator can determine if you are eligible to participate in this study. At a minimum, you must meet the following key criteria:

Low back pain defined as persistent back pain, with or without radicular (leg) pain
Diagnoses of degenerative disc disease at single level between L2-S1
Between 18-60 years of age
At least 6 months, of non-operative treatment prior to enrollment
Not pregnant or planning a pregnancy during the study
Has not had prior surgical spine treatment

Location of sites participating in the DASCOR® 3D Feasibility Study:

Durham, North Carolina
Phoenix, Arizona
Plano, Texas
Shreveport, Louisiana
St. Louis, Missouri

Spine Patients interested in participating in the DASCOR® 3D Feasibility study

If you are a spine patient who has been diagnosed with symptomatic degenerative disc disease at one lumbar spine level from L2 to the sacrum requiring treatment, you feel that you may meet the study criteria and you live within 50 miles of the cities listed above, . You will be contacted by phone and/or email regarding possible participation in this study within 48 hours. Thank you for your interest.

Caution -- Investigational Device, Limited by United States Law to Investigational Use.

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This is a listing of industry-sponsored clinical trials. These clinical trial listings are not peer-reviewed by Spine-health.