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Sensory and Functional Impairments in Cervical Disc Herniation

NCT ID: NCT07282522

Last Updated: 2025-12-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

64 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-10-24

Study Completion Date

2026-03-12

Brief Summary

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The aim of the study was to evaluate the levels of somatosensory perception, pain threshold and kinesiophobia in individuals with SDH, to examine their relationship with upper extremity functional skills and to compare them with healthy individuals.

Detailed Description

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Cervical disc herniation (SDH) occurs when nerve roots and/or spinal cord are compressed due to degeneration or displacement of the cervical intervertebral disc and can present with pain, sensory loss, muscle weakness, and functional limitations. Because the C5-T1 nerve roots provide motor and sensory innervation from the shoulder to the hand, SDH can cause not only pain but also impairments in somatosensory perception, tactile sensations, and proprioceptive awareness. Nerve root compression disrupts the integrity of sensory functions such as touch, vibration, and two-point discrimination, negatively impacting upper extremity abilities. Furthermore, pain and central sensitization processes lower the pain threshold, further limiting motor performance and activities of daily living. Therefore, the combined evaluation of somatosensory perception, pain, and functional abilities in individuals with SDH is crucial for a holistic understanding of the clinical picture.

Conditions

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Cervical Disc Herniation

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Individuals with SDH

Individuals with SDH are patients diagnosed with cervical disc herniation by a physical therapist.

Somatosensory Perception Tests

Intervention Type OTHER

Tactile Localization Test The tactile localization test assesses touch perception. Finger Recognition Test The participant is asked to point to their finger, which has been touched with a pen, while their eyes are closed.

Double-Touch Stimulus Perception Test This test is based on the identification of two separate stimuli presented simultaneously.

The Visual Analog Scale

Intervention Type OTHER

The Visual Analog Scale evaluates the intensity of pain felt by patients in different activities and time periods (rest, activity and night) in centimeters (cm).

Pain Threshold and Tolerance Assessment

Intervention Type OTHER

Participants' pain threshold and tolerance to pressure are assessed using a digital algometer (JTech Medical Industries, ZEVEX Company).

Upper extremity functionality

Intervention Type OTHER

Upper extremity functionality will be assessed using the DASH and Purdue Pegboard Manual Dexterity Test.

healthy participants.

Individuals with similar demographic characteristics who did not have any neck pain during the initial interview were considered healthy participants.

Somatosensory Perception Tests

Intervention Type OTHER

Tactile Localization Test The tactile localization test assesses touch perception. Finger Recognition Test The participant is asked to point to their finger, which has been touched with a pen, while their eyes are closed.

Double-Touch Stimulus Perception Test This test is based on the identification of two separate stimuli presented simultaneously.

The Visual Analog Scale

Intervention Type OTHER

The Visual Analog Scale evaluates the intensity of pain felt by patients in different activities and time periods (rest, activity and night) in centimeters (cm).

Pain Threshold and Tolerance Assessment

Intervention Type OTHER

Participants' pain threshold and tolerance to pressure are assessed using a digital algometer (JTech Medical Industries, ZEVEX Company).

Upper extremity functionality

Intervention Type OTHER

Upper extremity functionality will be assessed using the DASH and Purdue Pegboard Manual Dexterity Test.

Interventions

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Somatosensory Perception Tests

Tactile Localization Test The tactile localization test assesses touch perception. Finger Recognition Test The participant is asked to point to their finger, which has been touched with a pen, while their eyes are closed.

Double-Touch Stimulus Perception Test This test is based on the identification of two separate stimuli presented simultaneously.

Intervention Type OTHER

The Visual Analog Scale

The Visual Analog Scale evaluates the intensity of pain felt by patients in different activities and time periods (rest, activity and night) in centimeters (cm).

Intervention Type OTHER

Pain Threshold and Tolerance Assessment

Participants' pain threshold and tolerance to pressure are assessed using a digital algometer (JTech Medical Industries, ZEVEX Company).

Intervention Type OTHER

Upper extremity functionality

Upper extremity functionality will be assessed using the DASH and Purdue Pegboard Manual Dexterity Test.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

For the control group, having no complaints of neck pain and not having any neck-related diagnosis.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Inonu University

OTHER

Sponsor Role lead

Responsible Party

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Dilan Demirtaş Karaoba

assistant professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Dilan Demirtas Karaoba

Iğdır, Iğdir, Turkey (Türkiye)

Site Status RECRUITING

Countries

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Turkey (Türkiye)

Facility Contacts

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DILAN DEMIRTAS KARAOBA, asst. prof

Role: primary

Büşra Candiri, asst. prof

Role: backup

Other Identifiers

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2025/8426

Identifier Type: -

Identifier Source: org_study_id