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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05837234
Registration number
NCT05837234
Ethics application status
Date submitted
19/04/2023
Date registered
1/05/2023
Titles & IDs
Public title
Ultra Low Frequency Spinal Cord Stimulation for Chronic Low Back Pain
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Scientific title
A Prospective, Open-Label, Multi-Center Trial to Evaluate the Safety and Effectiveness of Ultra Low Frequency Spinal Cord Stimulation in Patients With Chronic Low Back Pain
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Secondary ID [1]
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PMH-003
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Chronic Pain
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Chronic Low-back Pain
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Condition category
Condition code
Musculoskeletal
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Other muscular and skeletal disorders
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Neurological
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Other neurological disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - ULF SCS
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.
Treatment: Devices: ULF SCS
Ultra low frequency spinal cord stimulation
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Back pain responder rate at 3 months as assessed using a visual analog scale (VAS)
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Assessment method [1]
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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.
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Timepoint [1]
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3 months
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Secondary outcome [1]
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Change in back pain VAS at 3 months
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Assessment method [1]
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The mean percentage change in VAS back pain intensity from baseline.
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Timepoint [1]
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3 months
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Secondary outcome [2]
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Change in back pain VAS at 6 months
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Assessment method [2]
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The mean percentage change in VAS back pain intensity from baseline.
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Timepoint [2]
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6 months
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Secondary outcome [3]
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Change in back pain VAS at 12 months
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Assessment method [3]
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The mean percentage change in VAS back pain intensity from baseline.
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Timepoint [3]
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12 months
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Secondary outcome [4]
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Change in leg pain VAS at 3 months
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Assessment method [4]
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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.
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Timepoint [4]
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3 months
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Secondary outcome [5]
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Change in leg pain VAS at 6 months
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Assessment method [5]
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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.
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Timepoint [5]
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6 months
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Secondary outcome [6]
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Change in leg pain VAS at 12 months
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Assessment method [6]
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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.
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Timepoint [6]
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12 months
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Secondary outcome [7]
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Proportion of participants with a minimal clinically important difference (MCID) as measured by Oswestry Disability Index (ODI) at 3 months
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Assessment method [7]
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The MCID is defined as at least a 10-point improvement on ODI.
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Timepoint [7]
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3 months
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Secondary outcome [8]
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Proportion of participants with a MCID as measured by ODI at 6 months
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Assessment method [8]
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The MCID is defined as at least a 10-point improvement on ODI.
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Timepoint [8]
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6 months
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Secondary outcome [9]
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Proportion of participants with a MCID as measured by ODI at 12 months
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Assessment method [9]
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The MCID is defined as at least a 10-point improvement on ODI.
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Timepoint [9]
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12 months
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Secondary outcome [10]
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Change in EuroQol-5 Dimension (EQ-5D) quality of life index at 3 months
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Assessment method [10]
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The mean change in EQ-5D index from baseline.
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Timepoint [10]
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3 months
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Secondary outcome [11]
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Change in EQ-5D quality of life index at 6 months
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Assessment method [11]
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The mean change in EQ-5D index from baseline.
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Timepoint [11]
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6 months
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Secondary outcome [12]
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Change in EQ-5D quality of life index at 12 months
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Assessment method [12]
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The mean change in EQ-5D index from baseline.
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Timepoint [12]
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12 months
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Secondary outcome [13]
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Proportion of participants with remission of low back pain as assessed by VAS at 6 months
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Assessment method [13]
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Remission is defined as VAS score of 30mm or less for 6 consecutive months.
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Timepoint [13]
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6 months
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Secondary outcome [14]
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Proportion of participants with remission of low back pain as assessed by VAS at 9 months
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Assessment method [14]
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Remission is defined as VAS score of 30mm or less for 6 consecutive months.
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Timepoint [14]
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9 months
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Secondary outcome [15]
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Proportion of participants with remission of low back pain as assessed by VAS at 12 months
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Assessment method [15]
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Remission is defined as VAS score of 30mm or less for 6 consecutive months.
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Timepoint [15]
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12 months
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Secondary outcome [16]
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Change in sleep quality as assessed by Medical Outcomes Study Sleep Scale (MOS-SS) at 3 months
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Assessment method [16]
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The mean change in MOS-SS index from baseline.
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Timepoint [16]
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3 months
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Secondary outcome [17]
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Change in sleep quality as assessed by MOS-SS at 6 months
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Assessment method [17]
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The mean change in MOS-SS index from baseline.
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Timepoint [17]
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6 months
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Secondary outcome [18]
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Change in sleep quality as assessed by MOS-SS at 12 months
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Assessment method [18]
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The mean change in MOS-SS index from baseline.
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Timepoint [18]
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12 months
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Eligibility
Key inclusion criteria
1. 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.
2. Be on no or stable pain medications, as determined by the investigator, for at least 28 days prior to the screening visit.
3. Is currently considered medically stable as judged by investigator.
4. Able to operate the SCS device (e.g., using remote control) and charge the device appropriately.
5. Determined to be a good surgical candidate by the investigator.
6. Willing to sign the Human Research Ethics Committee (HREC) approved informed consent and deemed capable of complying with the requirements of the study protocol.
7. 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).
8. Able to comply with study requirements and attend all scheduled visits.
9. Eighteen (18) years of age or older.
10. Literate, able to speak English and able to complete questionnaires independently.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. 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.
2. 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.
3. Previous experience with implantable neuromodulation devices (e.g., spinal cord stimulation, peripheral nerve stimulation, dorsal root ganglion stimulation).
4. Opioid usage with average total daily morphine equivalent dose (MED) of >60 mg.
5. A known need for an MRI or surgery within a 2-week period of the screening visit through the end of the study.
6. 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.
7. Subject is participating in another interventional clinical trial.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
9/05/2023
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/06/2025
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Actual
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Sample size
Target
55
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,SA,VIC
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Recruitment hospital [1]
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Genesis Research Services Pty Ltd - Newcastle
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Recruitment hospital [2]
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CerCare Pty Ltd - Wayville
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Recruitment hospital [3]
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Metro Pain Research Institute - Clayton
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Recruitment postcode(s) [1]
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- Newcastle
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Recruitment postcode(s) [2]
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- Wayville
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Recruitment postcode(s) [3]
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3168 - Clayton
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Presidio Medical, Inc
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
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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Trial website
https://clinicaltrials.gov/study/NCT05837234
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Willem Volschenk, MBCHB
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Address
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Genesis Research Services
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Valerie Cimmarusti
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Address
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Country
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Phone
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+1 (626) 353-8667
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05837234