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CompletedNCT05400486Updated May 2, 2025

Comparison of the Additional Effects of Using TENS and Interferential Currents for the Treatment of Individuals With Chronic Nonspecific Neck Pain.

An interventional study of Therapeutic exercise and Therapeutic exercise group + high frequency TENS in Neck Pain and Chronic Pain, sponsored by University of Nove de Julho. Completed at 1 site in Brazil. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2025-05-02.

Sponsored by University of Nove de Julho · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
75
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
All
01

Study summary

In the current clinical and scientific reality, conservative treatment is the most coherent clinical management with a view to the proper rehabilitation of patients with chronic neck pain, with a trend towards the use of therapeutic exercise. However, some uncertainty about the effectiveness of therapeutic exercises still remains, requiring further studies with high methodological rigor, especially with regard to multimodal treatment, such as the combination of therapeutic exercises with photobiomodulation. Thus, the objective of this project is to evaluate the effects of adding photobiomodulation to a program of specific therapeutic exercises for the treatment of individuals with chronic non-specific neck pain. To this end, 60 participants will be randomized into three groups: therapeutic exercise group + photobiomodulation (n = 20), and therapeutic exercise group. There will be 8 treatment sessions and participants will be evaluated before, after the 8 sessions, and 4 weeks after the end of treatment using the Numerical Pain Scale, Neck Disability Index, Catastrophic Thoughts about Pain Scale, and Tampa Kinesiophobia Scale. In the statistical analysis, a linear mixed model will be applied, considering the interaction between the time and group factors. Finally, the addition of photobiomodulation to a therapeutic exercise program is expected to generate clinical improvements for patients with chronic neck pain.

02

Conditions studied

  • Neck Pain
  • Chronic Pain
03

In context

Chronic Pain

2,930 studies on the registry are indexed under Chronic Pain; 699 are open to participants now.

This study's enrollment of 75 is above the median of 60 across 2,160 interventional studies indexed under Chronic Pain.

Browse Chronic Pain studies →

Lead sponsor

University of Nove de Julho is the lead sponsor of 239 studies on the registry; 51 are open to participants now.

Of its 8 completed or terminated interventional studies of FDA-regulated products, 1 (13%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • With chronic neck pain (for more than 90 days)
  • Identified according to the following criteria: NDI score ≥ 5
  • Numerical Pain Scale (END) score ≥ 3 at rest or during active neck movement

Exclusion criteria

Exclusion Criteria:

  • Individuals who had a history of cervical trauma; head, face, or cervical surgery
  • Degenerative diseases of the spine
  • Pain radiating to the upper limbs
  • Having been submitted to physiotherapeutic treatment for the cervical region in the last three months
  • Use of analgesics, anti-inflammatory drugs, or muscle relaxants in the last week; the presence of systemic diseases
  • medical diagnosis of fibromyalgia.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Investigator, Outcomes assessor)
Enrollment
75 participants (actual)

Study arms

  • Active comparator
    Therapeutic exercise group

    1.Movements of flexion, extension, inclinations, and rotations of the cervical region at maximum amplitude and without load. 2.Neural mobilization of the cervical nerve roots. 3.Contraction of the deep muscles of the flexors, extensors, and rotators of the cervical region without performing spinal movements, using the movement of the eyes to aid in the accomplishment of these exercises. 4.Isometric contraction of the flexor muscles, inclinators, and rotators against manual resistance of the physiotherapist. 5.Isometric contraction of the cervical extensors of the cervical region against gravity. 6.Contraction of the flexor muscles, extensors, and incliners of the cervical region against the resistance of elastic bands.

    Other: Therapeutic exercise

  • Experimental
    Therapeutic exercise group + high frequency TENS

    This group will consist of 25 participants. Initially, TENS (Endophasys® - NMS-0501, KLD Biosistemas® Equipamentos Eletrônicos Ltda) will be applied to the cervical region through 4 silicon-carbon electrodes measuring 4 x 4 cm, with a water-based gel to reduce impedance at the skin-electrode interface. Thus, TENS will be applied with a rectangular, biphasic, and symmetrical pulse, with a pulse width of 100 µm, a frequency of 100 Hz, at the maximum tolerated sensitive threshold, for 30 minutes (VANCE et al., 2012). After the application of TENS, the same program of therapeutic exercises applied in the first group will be applied, in the same sequence, evolution, times, and repetitions.

    Other: Therapeutic exercise · Other: Therapeutic exercise group + high frequency TENS

  • Experimental
    Therapeutic exercise group + Interferential

    This group will consist of 25 participants. Initially, the protocol of exercises performed in the therapeutic exercise group will be applied. In sequence, the interferential current will be applied. Through the Endophasys® device - NMS-0501, KLD Biosistemas® Equipamentos Eletrônicos Ltda). Four electrodes (8x5 cm), two upper and two lower (forming a square) will be positioned around the center of the neck. The electrodes will be positioned crosswise, following the parameters: 4KHz (carrier frequency), 1/1 second (Sweep Mode), 60 Hz Amplitude of frequency modulation (AMF), 30 Hz (Delta AMF), automatic vector mode, with intensity at the motor threshold of sensation, lasting 30 minutes (Albornoz-Cabello et al., 2019).

    Other: Therapeutic exercise · Other: Therapeutic exercise group + Interferential

Interventions

  • OtherTherapeutic exercise

    1.Movements of flexion, extension, inclinations, and rotations of the cervical region at maximum amplitude and without load. 2.Neural mobilization of the cervical nerve roots. 3.Contraction of the deep muscles of the flexors, extensors, and rotators of the cervical region without performing spinal movements, using the movement of the eyes to aid in the accomplishment of these exercises. 4.Isometric contraction of the flexor muscles, inclinators, and rotators against manual resistance of the physiotherapist. 5.Isometric contraction of the cervical extensors of the cervical region against gravity. 6.Contraction of the flexor muscles, extensors, and incliners of the cervical region against the resistance of elastic bands.

  • OtherTherapeutic exercise group + high frequency TENS

    TENS (Endophasys® - NMS-0501, KLD Biosistemas® Equipamentos Eletrônicos Ltda) will be applied to the cervical region through 4 silicon-carbon electrodes measuring 4 x 4 cm, with a water-based gel to reduce the impedance at the interface electrode skin. Thus, TENS will be applied with a rectangular, biphasic, and symmetrical pulse, with a pulse width of 100 µm, and a frequency of 100 Hz, at the maximum tolerated sensitive threshold, for 30 minutes (VANCE et al., 2012).

  • OtherTherapeutic exercise group + Interferential

    In sequence, the interferential current will be applied. Through the Endophasys® device - NMS-0501, KLD Biosistemas® Equipamentos Eletrônicos Ltda). Four electrodes (8x5 cm), two upper and two lower (forming a square) will be positioned around the center of the neck. The electrodes will be positioned crosswise, following the parameters: 4KHz (carrier frequency), 1/1 second (Sweep Mode), 60 Hz Amplitude of frequency modulation (AMF), 30 Hz (Delta AMF), automatic vector mode, with intensity at the motor threshold of sensation, lasting 30 minutes (Albornoz-Cabello et al., 2019).

06

What researchers measure

Primary outcomes

  1. Functional disability

    The NDI will be used to verify the degree of disability due to neck pain.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

  2. Numerical Pain Scale

    The Numerical rating pain scale, a simple, easily administered scale evaluates the perceived intensity of pain, using an 11-point scale from 0, representing 'no pain', to 10, which is the 'worst possible pain'.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

Secondary outcomes

  1. Catastrophic Thoughts about Pain Scale

    The Catastrophic Thoughts About Pain Scale will be used to assess pain-related catastrophizing.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

  2. Kinesiophobia Tampa Scale

    Tampa Kinesiophobia Scale will be used to assess fear of movement and injury recurrence.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

  3. The Copenhagen Neck Functional Disability Scale (CNFDS)

    The CNFDS is a one-dimensional self-report scale consisting of 15 items that assess the degree of disability in activities of daily living in patients diagnosed with neck pain. When calculating the CNFDS score, the following procedures should be considered: For items 1 to 5, the answer "yes" = 0, "sometimes" = 1 and "no" = 2; For items 6 to 15, the answer "yes" = 2, "sometimes" = 1 and "no" = 0. Thus, the total score ranges from 0 to 30, the higher the score, the greater the disability.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

  4. Global Perception of Change Scale

    The perception of the global effect of the treatment by the research participant will be evaluated by the Global Perception of Change Scale. The Global Perception of Change Scale is a direct scale on the patient's self-perception when the intervention is performed. This scale is composed of 11 points, ranging from -5 (worse compared to the start of treatment), 0 (neutral) and +5 (improvement compared to the start of treatment), using the Portuguese version.

    Time frame: Change from Baseline after 8 weeks of intervention and 4 weeks after the end of the intervention.]

07

Study locations

1 site
  • University of Nove de Julho
    São Paulo, 01504-001, Brazil
08

References and documents

Individual participant data

Plan to share: Undecided — Make data available remotely in digital cloud storage.

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 2, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05400486
Lead sponsor
University of Nove de Julho
Responsible party
Cid André Fidelis de Paula Gomes (Phd, professor, University of Nove de Julho) — Principal investigator
First posted
Jun 1, 2022
Start date
Jul 30, 2022
Primary completion
Apr 20, 2025
Completion
Apr 20, 2025
Last update
May 2, 2025

Study contacts

Cid Gomes, Phd
principal investigator · University of Nove de Julho

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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