Clinical Trial: Evaluation of the Efficacy and Neurological Effects of Dry Needling in the Treatment of Myofascial Pain Syndrome

Study Status: Completed
Recruit Status: Unknown status
Study Type: Interventional

Official Title: Evaluation of the Efficacy and Neurological Effects of Dry Needling in the Treatment of Myofascial Pain Syndrome

Brief Summary: AIM OF INVESTIGATION: To evaluate in a prospective, randomized, sham-controlled study the pattern of analgesic efficacy of trigger point dry needling in Myofascial Pain Syndrome (MPS) patients.

Detailed Summary:

This study will be performed in patients with shoulder pain due to excess of nociception associated with chronic Myofascial Pain Syndrome in asymmetrical unilateral trapezius muscle trigger points.

Patients will be randomly assigned to two treatment arms: Active (A) (n=20) and Sham (S) (n=21). Group A will receive actual treatment with trigger point dry needling. Group S will receive a sham treatment, with the needle inserted superficially in the skin, without reaching the muscle underneath it.

The duration and pain elicited during active and sham dry needling will be controlled for. Patients will be evaluated one week before needling (D-7), on the day of dry needling (D0) and seven days after the procedure (D+7).

Patients will fill out the Brazilian version of the Douleur Neuropathique 4, Beck Depression Inventory, Brief Pain Inventory (BPI), McGill Pain Questionnaire-SF (SFMPQ), Hospital Anxiety and Depression Scale and Global Impression of Change, and also a 14-day Carnet to more accurately evaluate their daily pain before and after the treatment.

For the evaluation of neurologic changes, we will evaluate local hyperalgesia, tactile, mechanical, static and thermal sensitivity with thermal quantitative sensorial testing (TQS), and also mapping of the painful area, before and after treatment in both D0 and D+7.


Sponsor: University of Sao Paulo General Hospital

Current Primary Outcome: Analgesic effects of dry needling [ Time Frame: Within the first 7 days after treatment ]

Maximum, average and lowest pain will be evaluated daily 7 days before the treatment, on the day of the treatment, and also 7 days after the treatment is done.


Original Primary Outcome: Same as current

Current Secondary Outcome: Neurologic effects of dry needling [ Time Frame: Within the first 7 days after treatment ]

Tactile, mechanical, static and thermal sensitivity will be evaluated with thermal quantitative sensorial testing, as well as hyperalgesia. The painful area will also be mapped to compara before and after treatment results.


Original Secondary Outcome: Same as current

Information By: University of Sao Paulo General Hospital

Dates:
Date Received: June 27, 2014
Date Started: February 2014
Date Completion: February 2015
Last Updated: June 30, 2014
Last Verified: January 2014