Low Back PainParameters NMPNCT05106920
Frequency Parameter Used to Apply Ultrasound-guided Neuromodulation Percutaneous
A study testing NMP in people with Low Back Pain, run by University of Seville at 1 site in Spain.
Trial summary
In the daily clinical practice, one of the most frequent reasons for consultation physiotherapists is low back pain (LBP). Regardless of the origin of the problem, the approach from physiotherapy contemplates the reduction of pain through different procedures, including neuromodulation. Read more about this study
- Who is it for?
- Ages 18 to 65 yearsHealthy volunteers can take part
- Conditions the study is for
- Low Back Pain
- What is being tested?
- NMP
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteSpain
- Study dates
- 3 Nov 2021to 1 Nov 2023
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Diagnosis of Lower Back Pain
- Having no other therapy
Who cannot join
- Other pathology (discal hernia, injured limbs, neurological pathology)
- Belenophobia
Trial locations and contacts
1 site in 1 country.
About this study
Official title: How we Apply Ultrasound-guided Neuromodulation in Lower Back Pain Sufferers
In the daily clinical practice, one of the most frequent reasons for consultation physiotherapists is low back pain (LBP). Regardless of the origin of the problem, the approach from physiotherapy contemplates the reduction of pain through different procedures, including neuromodulation.
In the field of Physiotherapy, ultrasound-guided Percutaneous Neuromodulation (PNM) is defined as the application through a needle with ultrasound guidance of an electrical current at low or medium frequency, seeking a sensitive and / or motor response of a peripheral nerve in some point of its trajectory, or of a muscle in a motor point, with a therapeutic objective. The objective of the study is to analyze that the effect of PNM on the sciatic nerve produces statistically significant changes in pain, joint range and functionality in patients with chronic LBP. Forty subjects will be recruited, which will be divided into 2 groups: group 1 to which PNM will be applied to the sciatic nerve at 250 microseconds, 3 Hz) during 90 seconds; group 2 to which PNM will be applied to the sciatic nerve in at 250 microseconds, 10 Hz during 90 second. The PNM intervention with NMP will consist in the single application of an asymmetric rectangular biphasic current.
- Conditions
- Low Back Pain
- Being tested
- NMP
- Medical subject headings
- Low Back Pain
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
NMPOther
Participants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, to cause a tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention.
| Study group | Role | What they receive |
|---|---|---|
| NMP 3 Hz | Experimental | Participants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, with 3 Hz frequency and a 250µs pulse width, at the maximal tolerable intensity, to cause an tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention. Receives: Other: NMP |
| NMP 10 Hz | Experimental | Participants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, with 10 Hz frequency and a 250µs pulse width, at the maximal tolerable intensity, to cause an tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention. Receives: Other: NMP |
What is being measured
The primary outcome is the main question the study is designed to answer.
Level of pain
Measured by Visual Analogue Scale (0, no pain; 100, max pain)
Measured: From baseline measurement up to 1 week
Owestry questionnaire
Lower back pain questionnaire. The final result is classified as minimal disability (0-20), moderate disability (21-40), severe disability (41-60), crippled (61-80) and bed-bound or exaggerating their symptoms (81-100).
Measured: From baseline measurement up to 1 week
Range of motion
Measured by goniometer. Hip flexion, external and internal rotation range of motion
Measured: From baseline measurement up to 1 week
Y Balance Test
Stability body
Measured: From baseline measurement up to 1 week
Strength
Measured by dynamometer. Hip flexion, abduction, external and internal rotation muscle strength
Measured: From baseline measurement up to 1 week
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Nov 2021
- Study start3 Nov 2021
- Primary completion3 Nov 2021
- Study completion1 Nov 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Low Back PainStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Outcomes assessor
- Enrolment
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Seville
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Blanca de la Cruz Torres, University of Seville
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05106920
- Sponsor's protocol ID
- NMP-Frequency
- Acronym
- Parameters NMP
- Status last verified
- Dec 2023
- First submitted
- 23 Oct 2021
- Last updated
- 26 Dec 2023
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 26 Dec 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- How we Apply Ultrasound-guided Neuromodulation in Lower Back Pain Sufferers
- ClinicalTrials.gov ID
- NCT05106920
- Acronym / sponsor ID
- Parameters NMP / NMP-Frequency
- Conditions
- Low Back Pain
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- University of SevilleUniversity, hospital or other
- Study start
- 3 Nov 2021 (actual)
- Primary completion
- 3 Nov 2021 (actual)
- Study completion
- 1 Nov 2023 (actual)
- First posted
- 4 Nov 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
In the daily clinical practice, one of the most frequent reasons for consultation physiotherapists is low back pain (LBP). Regardless of the origin of the problem, the approach from physiotherapy contemplates the reduction of pain through different procedures, including neuromodulation.
In the field of Physiotherapy, ultrasound-guided Percutaneous Neuromodulation (PNM) is defined as the application through a needle with ultrasound guidance of an electrical current at low or medium frequency, seeking a sensitive and / or motor response of a peripheral nerve in some point of its trajectory, or of a muscle in a motor point, with a therapeutic objective. The objective of the study is to analyze that the effect of PNM on the sciatic nerve produces statistically significant changes in pain, joint range and functionality in patients with chronic LBP. Forty subjects will be recruited, which will be divided into 2 groups: group 1 to which PNM will be applied to the sciatic nerve at 250 microseconds, 3 Hz) during 90 seconds; group 2 to which PNM will be applied to the sciatic nerve in at 250 microseconds, 10 Hz during 90 second. The PNM intervention with NMP will consist in the single application of an asymmetric rectangular biphasic current.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| NMP 3 Hz | Experimental | Other: NMPParticipants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, with 3 Hz frequency and a 250µs pulse width, at the maximal tolerable intensity, to cause an tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention. |
| NMP 10 Hz | Experimental | Other: NMPParticipants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, with 10 Hz frequency and a 250µs pulse width, at the maximal tolerable intensity, to cause an tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention. |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Diagnosis of Lower Back Pain
- Having no other therapy
Key exclusion criteria (2 listed)
- Other pathology (discal hernia, injured limbs, neurological pathology)
- Belenophobia
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| NMPParticipants received the percutaneous electrical stimulation intervention. Specifically, this consisted of the application of a square wave biphasic electrical current, to cause a tolerable muscle contraction. The application was 10 stimulations of 10 seconds, with 10 seconds at rest between stimulations. A trained physiotherapist performed the PNM intervention. | Other | NMP 10 Hz, NMP 3 Hz |
Primary outcome
Level of pain
Time frame: From baseline measurement up to 1 week
Measured by Visual Analogue Scale (0, no pain; 100, max pain)
Owestry questionnaire
Time frame: From baseline measurement up to 1 week
Lower back pain questionnaire. The final result is classified as minimal disability (0-20), moderate disability (21-40), severe disability (41-60), crippled (61-80) and bed-bound or exaggerating their symptoms (81-100).
Range of motion
Time frame: From baseline measurement up to 1 week
Measured by goniometer. Hip flexion, external and internal rotation range of motion
Y Balance Test
Time frame: From baseline measurement up to 1 week
Stability body
Strength
Time frame: From baseline measurement up to 1 week
Measured by dynamometer. Hip flexion, abduction, external and internal rotation muscle strength
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Dec 2023.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing NMP in people with Low Back Pain, run by University of Seville at 1 site in Spain.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Level of pain (time frame: From baseline measurement up to 1 week). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Dec 2023.