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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06271915
Other study ID # cervical spine mobilization
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date February 15, 2024
Est. completion date June 15, 2024

Study information

Verified date March 2024
Source Cairo University
Contact Ahmad El Melhat, Phd
Phone 01112595022
Email ahmed.elmelhat@cu.edu.lb
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The study's primary goal is to examine the effectiveness of Mulligan's technique in reducing hyperalgesia in lateral epicondylitis, focusing on cervical spine, while also investigating its influence on central sensitization in relation to lateral epicondylitis.


Description:

Lateral epicondylitis (LE) also known as tennis elbow, results from an overuse injury due to eccentric overload on the common extensor tendon, particularly at the origin of the extensor carpi radialis brevis (ECRB). This condition is frequently triggered by repetitive strain during tasks involving repeated gripping and loaded wrist extension. Lateral epicondylitis affects 1% to 3% of population, especially in middle-aged people. In addition, patients with LE suffer from pain or burning on the common extensor origin of the forearm that may radiate into the upper arm or downward to the forearm. The pain can be exacerbated with resisted wrist extension, forearm supination and middle finger extension. The initial approach to manage lateral epicondylitis involves conservative therapy, including eccentric training, stretching and local manual therapy. In individuals with lateral epicondylitis, the experience of mechanical hyperalgesia characterized by increased pain sensitivity during cold application is indicative of potential central sensitization. Central sensitization involves heightened reactivity of nociceptors within the central nervous system, resulting in increased responsiveness to both normal and sub-threshold afferent input. This heightened sensitivity also includes increased responsiveness to non-noxious stimuli and an elevated pain response triggered by stimuli originating outside the area of injury, indicating an expanded receptive field. Furthermore, cervical dysfunction is observable in individuals with LE even in the absence of neck pain indicating the involvement of central sanitization. The potential influence of cervical manual therapy on reducing mechanical hyperalgesia aligns with addressing central sensitization, contributing to a comprehensive approach in managing pain and sensitivity associated with lateral epicondylitis. Its hypothesized that spinal manual therapy on the cervical spine is likely to yield positive short-term outcomes on pain-free grip and the pain threshold elicited by pressure over the lateral humeral epicondyle. As the mechanism of manual techniques proves effective on mechanical, neurophysiological, and peripheral receptors while inducing supraspinal pain inhibition related with sympathoexcitation3, hypoalgesia could occur following the application of these techniques. Mulligan's mobilization and SNAGS approach involves applying force and direction to the facet joint, reaching the end range of motion. This technique aims to restore the original position of cervical spine facet joint which possibly impacts the hyperalgesia frequently associated with lateral epicondylitis. Moreover, mobilization with movement induces biomechanical changes in the vertebrae, affecting central processing. It restrains pain mechanisms, reduces neck dysfunction, and improves neck disability. Notably, previous studies investigated, that they have indicated the need for further research to determine the effects of spinal manipulation on hypoalgesia. Furthermore, other study previously explored the effects of manual therapy on the thoracic spine concerning pain-free grip and sympathetic activity in patients with lateral epicondylitis producing favorable outcomes needing additional exploration when including the cervical spine. As such, the main objective of this study is to evaluate Mulligan's technique effectiveness in relieving mechanical and cold hyperalgesia in individuals with lateral epicondylitis, with a specific emphasis on the cervical spine region. Additionally, the research aims to investigate the impact of Mulligan's technique on central sensitization in the cervical spine and its influence on lateral epicondylitis.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date June 15, 2024
Est. primary completion date May 15, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 30 Years to 50 Years
Eligibility Inclusion Criteria: - a positive Maudsley's test and Cozen's test, - positive Spurling and axial distraction tests - limited range of motion of the cervical spine - a positive upper limb tension test (ULTT) - middle-aged individuals (40-60 years old). Exclusion Criteria: - participants with any pathologies - participants involved in other studies - patients undergoing corticosteroids treatment - physical therapy sessions, or surgical interventions for elbow or cervical spine issues within the past year - individuals afflicted by inflammatory, infectious, or systematic diseases - participants experiencing bilateral elbow pain or tumor diseases are excluded.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
SNAGs - eccentric exercise
intervention done 2 times per week, 45 minutes each session for 4 weeks

Locations

Country Name City State
Egypt Outpatient physical therapy, Faculty of physical therapy Giza

Sponsors (1)

Lead Sponsor Collaborator
Cairo University

Country where clinical trial is conducted

Egypt, 

References & Publications (2)

Cleland JA, Whitman JM, Fritz JM. Effectiveness of manual physical therapy to the cervical spine in the management of lateral epicondylalgia: a retrospective analysis. J Orthop Sports Phys Ther. 2004 Nov;34(11):713-22; discussion 722-4. doi: 10.2519/jospt — View Citation

Coombes BK, Bisset L, Vicenzino B. Management of Lateral Elbow Tendinopathy: One Size Does Not Fit All. J Orthop Sports Phys Ther. 2015 Nov;45(11):938-49. doi: 10.2519/jospt.2015.5841. Epub 2015 Sep 17. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Leeds assessment of neuropathic symptoms and sign (LANSS) scale is a questionnaire to screen neuropathic pain. It Contains five items concerning self-reported pain symptoms, and two items depending on simple clinical examination provided by healthcare professional that's targeting pin-prick threshold and allodynia. Scoring with LANSS: if the participant gains 12 or more out of 24, the pain will be considered of neuropathic origin. LANSS scale demonstrated a sensitivity (83%) and specificity of (87%), effectively identifying (85%) of neuropathic pain. Baseline
Primary Pain-free hand grip test Pain-free grip test is a reliable and valid tool to use with lateral epicondylitis patients with using dynamometer to measure the grip force applied to the point of pain. Some studies recommended to perform the test with elbow relaxed extended, forearm pronated, and repeated 3 times with 1 minute interval, then comparing the average of 3 measurements between affected and non-affected. Baseline
Secondary The Numeric Rating Scale (NRS) The Numeric Rating Scale (NRS) is a reliable and valid instrument for assessing pain intensity in chronic cases, as evidenced by its effective adaptation into an Arabic version: Arabic Numeric Pain Rating Scale (ANPRS). Reliability of the ANPRS (ICC 0.89) considered good to excellent. Arabic version of NRS considered reliable and valid tool to measure pain levels. baseline
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