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Ultra Low Frequency Spinal Cord Stimulation for Chronic Low Back Pain

RECRUITING

The Presidio Medical Ultra Low Frequency (ULF™) Spinal Cord Stimulation (SCS) System is intended to provide pain relief to participants who have been clinically diagnosed with chronic low back pain with or without leg pain.

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Study details:

This is a prospective, open-label, multi-center clinical trial in which participants with chronic low back pain (CLBP) with/without leg pain will be invited to enroll and undergo treatment with the ULF SCS system. The purpose of this study is to evaluate the safety and effectiveness of ULF SCS over a 1-year period.

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Eligibility criteria

Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.

Inclusion criteria

Diagnosed with chronic low back pain with/without leg pain (VAS ≥60mm for back pain for the past week), which has been refractory to conservative therapy for a minimum of 3 months.

Be on no or stable pain medications, as determined by the investigator, for at least 28 days prior to the screening visit.

Is currently considered medically stable as judged by investigator.

Able to operate the SCS device (e.g., using remote control) and charge the device appropriately.

Determined to be a good surgical candidate by the investigator.

Willing to sign the Human Research Ethics Committee (HREC) approved informed consent and deemed capable of complying with the requirements of the study protocol.

Willing to stay on stable medications until implantable pulse generator (IPG) activation (i.e., from IPG implant to IPG activation, except for usual postoperative medications required following IPG insertion).

Able to comply with study requirements and attend all scheduled visits.

Eighteen (18) years of age or older.

Literate, able to speak English and able to complete questionnaires independently.

Exclusion criteria

Diagnosis of active disruptive psychological or psychiatric disorder or other known condition significant enough to impact perception of pain, compliance, intervention and/or ability to evaluate treatment outcome as assessed by a clinical psychologist or psychiatrist in a psychological assessment performed at Baseline.

Chronic pain in any area other than back or legs, such that it precludes subject's ability to assess their pain for the primary indication of chronic low back pain as determined by Investigator.

Previous experience with implantable neuromodulation devices (e.g., spinal cord stimulation, peripheral nerve stimulation, dorsal root ganglion stimulation).

Opioid usage with average total daily morphine equivalent dose (MED) of >60 mg.

A known need for an MRI or surgery within a 2-week period of the screening visit through the end of the study.

Female candidates of childbearing potential that are pregnant (confirmed by positive urine/blood pregnancy test) or plan to get pregnant during the duration of the study.

Subject is participating in another interventional clinical trial.

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Eligibility

Age eligible for study : 18 and older

Healthy volunteers accepted : No

Gender eligible for study: All

Things to know

Study dates

Study start: 2023-05-09

Primary completion: 2024-09-01

Study completion finish: 2025-06-01

Study type

TREATMENT

Phase

Trial ID

NCT05837234

Intervention or treatment

DEVICE: ULF SCS

Conditions

• Chronic Pain
• Chronic Low-back Pain

Condition: Chronic Pain, Chronic Low-back Pain
DEVICE: ULF SCS
Newcastle, New South Wales, Australia and more
Sponsor: Presidio Medical, Inc

You may be eligible to participate in this trial based on your search. Check eligibility by answering some questions.

Are you running this trial? If you're a clinic or sponsor, you can claim this study. Claim or learn more.

Find a site

Closest Location:

Genesis Research Services Pty Ltd

Research sites nearby

Select from list below to view details:

Genesis Research Services Pty Ltd
Newcastle, New South Wales, Australia
CerCare Pty Ltd
Wayville, South Australia, Australia
Metro Pain Research Institute
Clayton, Victoria, Australia

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Participant Group/Arm	Intervention/Treatment
EXPERIMENTAL: ULF SCS Participants with chronic low back pain that is refractory to conservative care will undergo temporary trial stimulation with the ULF SCS system. Those receiving at least 50% pain relief of their chronic back pain will be eligible for a permanent device implant and followed for 12 months.	DEVICE: ULF SCS Ultra low frequency spinal cord stimulation

What is the study measuring?

Primary outcome

Primary Outcome Measure	Primary Outcome Description	Primary Outcome Time Frame
Back pain responder rate at 3 months as assessed using a visual analog scale (VAS)	A responder is defined as a participant that achieved at least 50% reduction in back pain at the follow-up compared to baseline. Responder rate is defined as the percentage of participants that were responders.	3 months

Secondary outcome

Secondary Outcome Measure	Secondary Outcome Description	Secondary Outcome Time Frame
Change in back pain VAS at 3 months	The mean percentage change in VAS back pain intensity from baseline.	3 months
Change in back pain VAS at 6 months	The mean percentage change in VAS back pain intensity from baseline.	6 months
Change in back pain VAS at 12 months	The mean percentage change in VAS back pain intensity from baseline.	12 months
Change in leg pain VAS at 3 months	The mean percentage change in VAS leg pain intensity from baseline. Calculated only for participants who scored at least 40 out of 100mm for leg pain at baseline.	3 months
Change in leg pain VAS at 6 months	The mean percentage change in VAS leg pain intensity from baseline. Calculated only for participants who scored at least 40 out of 100mm for leg pain at baseline.	6 months
Change in leg pain VAS at 12 months	The mean percentage change in VAS leg pain intensity from baseline. Calculated only for participants who scored at least 40 out of 100mm for leg pain at baseline.	12 months
Proportion of participants with a minimal clinically important difference (MCID) as measured by Oswestry Disability Index (ODI) at 3 months	The MCID is defined as at least a 10-point improvement on ODI.	3 months
Proportion of participants with a MCID as measured by ODI at 6 months	The MCID is defined as at least a 10-point improvement on ODI.	6 months
Proportion of participants with a MCID as measured by ODI at 12 months	The MCID is defined as at least a 10-point improvement on ODI.	12 months
Change in EuroQol-5 Dimension (EQ-5D) quality of life index at 3 months	The mean change in EQ-5D index from baseline.	3 months
Change in EQ-5D quality of life index at 6 months	The mean change in EQ-5D index from baseline.	6 months
Change in EQ-5D quality of life index at 12 months	The mean change in EQ-5D index from baseline.	12 months
Proportion of participants with remission of low back pain as assessed by VAS at 6 months	Remission is defined as VAS score of 30mm or less for 6 consecutive months.	6 months
Proportion of participants with remission of low back pain as assessed by VAS at 9 months	Remission is defined as VAS score of 30mm or less for 6 consecutive months.	9 months
Proportion of participants with remission of low back pain as assessed by VAS at 12 months	Remission is defined as VAS score of 30mm or less for 6 consecutive months.	12 months
Change in sleep quality as assessed by Medical Outcomes Study Sleep Scale (MOS-SS) at 3 months	The mean change in MOS-SS index from baseline.	3 months
Change in sleep quality as assessed by MOS-SS at 6 months	The mean change in MOS-SS index from baseline.	6 months
Change in sleep quality as assessed by MOS-SS at 12 months	The mean change in MOS-SS index from baseline.	12 months

Frequently Asked Questions

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References

Clinical Trials Gov: Ultra Low Frequency Spinal Cord Stimulation for Chronic Low Back Pain