NCT03222154

Brief Summary

The study consisted of 60 women who had pain-point pains in the upper fibers of the trapezius muscle. They had a medical age of 22.8 years, with a body mass index of 22.8 kg / cm2.They underwent an initial assessment, with a visual analogue pain scale, followed by an assessment of pain threshold, and manual muscle strength.Then, they were allocated into three groups: control group with 20 volunteers without intervention, placebo group with 20 volunteers with shock wave simulation and an intervention group with 20 volunteers with shock wave therapy. All volunteers were evaluated immediately after the protocol (post evaluation) and 48 hours after the intervention protocol (48 hour evaluation). A mixed ANOVA of repeated measurements was used for intra and intergroup comparisons, followed by tukey post hoc. Significance was set at 5% (p \<0.05).

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable pain

Timeline
Completed

Started Jul 2016

Shorter than P25 for not_applicable pain

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2016

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2016

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2016

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

July 17, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 19, 2017

Completed
Last Updated

July 21, 2017

Status Verified

July 1, 2017

Enrollment Period

3 months

First QC Date

July 17, 2017

Last Update Submit

July 18, 2017

Conditions

Keywords

High Energy Shock Wavesphysiotherapy

Outcome Measures

Primary Outcomes (6)

  • Pain assessment

    The subjective pain intensity was evaluated using the Visual Analogue Scale. Which consists of a horizontal line, 10 centimeters long, marked at one end by a rating of 0 - "No Pain" and the other by the classification "Maximum Pain". The patient had to make a line perpendicular to the line, at the point that represents the intensity of his pain.

    five minutes

  • Evaluation of trigger points

    The presence of trigger points was investigated in the upper trapezius muscle on the side that the volunteer reported pain or bilateral. The evaluation was performed with the volunteers in the ventral decubitus, and bilaterally evaluated the presence of the trigger points in the upper trapezius. The number of trigger points was recorded according to the classification: active PMG, latent PGM and total PGM. The side that presented a larger number of trigger points was the side used to evaluate the experimental procedures. If the number of active trigger points were equal on both sides, the upper limb considered dominant by the volunteer was chosen for the evaluation.

    fifteen minutes

  • Evaluation of pressure pain threshold

    To evaluate the pain threshold, a WAGNER® FDM algometer was used, which is a device consisting of a 1 cm2 rubber disc connected to a pressure gauge, which shows values in N. The volunteers were previously advised on how the procedure would be performed. And that when when the pressure with the tip of the apparatus began to evoke pain / threshold it was necessary to say loudly the word "Stop"

    ten minutes

  • Electromyographic Evaluation (EMG) Electromyographic Evaluation (EMG)

    Electromyographic signal processing was performed with a TeleMyo DTS Desk Receiver® electromyography channel (Noraxon USA Inc., Scottsdale, USA) with a 20-500 Hz bandpass filter, gain of 1500 times, and a rejection rate of Common mode greater than 100 dB. The electromyographic evaluation was performed using the bipolar technique, with simple double wireless electrodes.

    twenty minutes

  • Strength evaluation

    The muscle strength test was performed with a manual dynamometer (Lafayette® - model 01165), for the force in the shoulder lift movement. For this evaluation the volunteers were seated, with the shoulder in extension position, and consequently the upper limb on the side of the body. The dynamometer was placed in a fixed bulkhead and the shoulder was elevated, resisting the movement and performing an isometric contraction.

    ten minutes

  • Assessment by the Change Perception Scale

    The Patient Global Impression of Change Scale questionnaire was applied in its Portuguese version, Scale of Perception of Change, being an instrument of easy understanding and application. It becomes a useful tool to quantify the perception of change in health status and satisfaction of a treatment of chronic musculoskeletal pain.

    ten minutes

Study Arms (3)

Control

NO INTERVENTION

20 volunteers without intervention. At the end of the study they received an application of shock wave therapy.

Placebo

PLACEBO COMPARATOR

20 volunteers who received simulation of the application of shock wave therapy

Device: Placebo - Shock wave therapy

Experimental

EXPERIMENTAL

20 volunteers who received shock wave therapy

Device: Experimental - Shock wave therapy

Interventions

Shock wave therapy was performed with the Master Plus 200® Storz Medical equipment, radial emission 2000 pulses, frequency 15 Hz and pressure 1 Bar.

Also known as: High energy shock wave therapy
Experimental

Simulation of shock wave therapy

Placebo

Eligibility Criteria

Age18 Years - 35 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Women with painful symptoms, compatible with the referred pain pattern of trigger points in the upper trapezius muscle.
  • Age range of 18 to 35 years.
  • No upper limb injury in the last 6 months.
  • Featuring trigger points identified in the upper trapezius muscle.
  • Present pain and / or moderate and / or severe disability after application of specific instruments.

You may not qualify if:

  • Present unbearable pain during the evaluation procedures.
  • Missing or not executing the solution correctly.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: 3 groups: Control (n = 20), without intervention; Placebo (n = 20), simulation of the application of shock wave therapy; And shock wave therapy (n = 20).
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

July 17, 2017

First Posted

July 19, 2017

Study Start

July 1, 2016

Primary Completion

October 1, 2016

Study Completion

December 1, 2016

Last Updated

July 21, 2017

Record last verified: 2017-07

Data Sharing

IPD Sharing
Will share

All collected IPD

Shared Documents
STUDY PROTOCOL, CSR
Time Frame
Starting 6 months after publication