Spinery Basivertebral Nerve Ablation for Vertebrogenic Chronic Low Back Pain

Sponsor
Axon srl
Study ID
NCT07696507
Status
Not Yet Recruiting

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Conditions

  • Chronic Low Back Pain (CLBP)
  • Low Back Pain

Eligibility Criteria

Sex
ALL
Age
25 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Single Bipolar Ablation — DEVICE
    Single bipolar ablation is performed using the Spinery® RF Generator and its dedicated sterile single-use accessories, including the Spinery® Kit and the Spinery® Cooling Connection. In this modality, one cooled bipolar radiofrequency probe is introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT. Controlled bipolar radiofrequency energy is delivered to the intended basivertebral nerve target region according to the protocol-defined parameters.
  • Double Parallel Bipolar Ablation — DEVICE
    Double parallel bipolar ablation is performed using the Spinery® RF Generator and its dedicated sterile single-use accessories, including the Spinery® Kit and the Spinery® Cooling Connection. In this modality, two cooled bipolar radiofrequency probes are introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT, and positioned according to the protocol-defined parallel configuration. Controlled bipolar radiofrequency energy is delivered to the intended basivertebral nerve target region.
  • Double Cross Bipolar Ablation — DEVICE
    Double cross bipolar ablation is performed using the Spinery® RF Generator and its dedicated sterile single-use accessories, including the Spinery® Kit and the Spinery® Cooling Connection. In this modality, two cooled bipolar radiofrequency probes are introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT, and positioned according to the protocol-defined cross configuration. Controlled bipolar radiofrequency energy is delivered to the intended basivertebral nerve target region.

Study Details

The goal of this clinical trial is to learn whether the Spinery® RF Generator and its sterile single-use accessories can safely lower disability and pain in adults with long-term low back pain that is thought to come from changes inside the vertebral bones of the lower spine. This type of pain is called vertebrogenic chronic low back pain. The study will include adults whose low back pain has lasted for at least 6 months and has not improved enough with non-surgical care. Participants must also have specific changes on spine magnetic resonance imaging (MRI), called Modic type 1 changes or selected Modic type 2 changes, at one or more levels between L3 and S1. The main questions this study aims to answer are: * Does the treatment improve daily function 3 months after the procedure? * Does the treatment lower low back pain? * Does the treatment improve quality of life? * What medical problems happen during or after the procedure? * Does the 6-week MRI show that the treatment reached the intended area inside the vertebra? All participants will receive treatment with the Spinery® RF Generator and accessories. There is no untreated comparison group. Participants will be assigned by chance to one of three ways of performing the radiofrequency ablation procedure. Radiofrequency ablation uses controlled heat to treat a small target area. In this study, the target is the basivertebral nerve, a nerve inside the vertebral body that may contribute to low back pain in some people. Participants will: * have screening tests, including spine MRI; * complete questionnaires about pain, daily function, and quality of life; * undergo the radiofrequency ablation procedure with the Spinery® RF Generator and accessories; * have an MRI about 6 weeks after treatment; * attend follow-up visits at 3 months and 6 months; * report any medical problems or changes in pain treatment during the study.

Key Dates

First listed
Jul 10, 2026
Start date
Sep 30, 2026
Status verified
Jul 2026
Primary completion
Jan 31, 2028
Completion
Mar 31, 2028

Study Design

Enrollment
69 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: Single Bipolar Ablation
    Participants assigned to this arm will receive active treatment using the Spinery® RF Generator and its sterile single-use accessories with the single bipolar ablation modality. In this approach, one cooled bipolar radiofrequency probe is introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT, according to the protocol-defined procedure. Radiofrequency energy is delivered by the Spinery® RF Generator through the dedicated sterile single-use accessories to treat the intended basivertebral nerve target region. The number of treated vertebral bodies is determined according to the protocol-defined affected level(s), from L3 to S1. Participants will undergo the same post-treatment assessments as the other study arms, including MRI at approximately 6 weeks and clinical follow-up at 3 and 6 months.
  • Experimental: Double Parallel Bipolar Ablation
    Participants assigned to this arm will receive active treatment with the Spinery® RF Generator and its sterile single-use accessorie using the double parallel bipolar ablation modality. In this approach, two cooled bipolar radiofrequency probes are introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT, and positioned according to the protocol-defined parallel configuration. Radiofrequency energy is delivered by the Spinery® RF Generator through the dedicated sterile single-use accessories to treat the intended basivertebral nerve target region. The number of treated vertebral bodies is determined according to the protocol-defined affected level(s), from L3 to S1. Participants will undergo the same post-treatment assessments as the other study arms, including MRI at approximately 6 weeks and clinical follow-up at 3 and 6 months.
  • Experimental: Double Cross Bipolar Ablation
    Participants assigned to this arm will receive active treatment with the Spinery® RF Generator and its sterile single-use accessorie using the double cross bipolar ablation modality. In this approach, two cooled bipolar radiofrequency probes are introduced percutaneously into the target vertebral body under imaging guidance, such as fluoroscopy and/or CT, and positioned according to the protocol-defined cross configuration. Radiofrequency energy is delivered by the Spinery® RF Generator through the dedicated sterile single-use accessories to treat the intended basivertebral nerve target region. The number of treated vertebral bodies is determined according to the protocol-defined affected level(s), from L3 to S1. Participants will undergo the same post-treatment assessments as the other study arms, including MRI at approximately 6 weeks and clinical follow-up at 3 and 6 months.

Primary Outcome Measure

Mean Change in Oswestry Disability Index Score From Baseline to 3 Months [ Time Frame: Baseline and 3 months after treatment ]

Central Contacts

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