Neural Mobilization vs Cervical Neuromodulation in DPN

April 18, 2026 updated by: Abeer Abdrabo

Manual Neural Mobilization Versus Cervical Neuromodulatory Intervention for Glycemic Control in Adults With Diabetic Peripheral Neuropathy: Pilot RCT - Hypothesis-generating Study

This study is a three-arm, assessor-blinded, randomized controlled pilot feasibility trial. The primary goal is to evaluate the feasibility and acceptability of conducting a full-scale randomized controlled trial (RCT) comparing two manual therapy techniques: Manual Neural Mobilization (MNM) and Cervical Neuromodulatory Intervention (CNI) in individuals with Diabetic Peripheral Neuropathy (DPN).

While glycemic control is a central part of managing type 2 diabetes, this study explores whether non-pharmacological manual therapies can serve as adjunctive interventions to improve metabolic outcomes. A total of 75 participants were assigned to either MNM, CNI, or standard care for 12 weeks. The study focuses on recruitment rates, adherence, and safety, while also exploring secondary outcomes like blood glucose levels (HbA1c, FBG) and pain intensity.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Active, not recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Background:

Diabetic peripheral neuropathy (DPN) often leads to pain and reduced quality of life. Manual therapy techniques such as Manual Neural Mobilization (MNM) and Cervical Neuromodulatory Intervention (CNI) are typically used for musculoskeletal relief, but their impact on systemic glycemic control in DPN patients is not yet well-established.

Objectives:

To assess the feasibility of the trial protocol (recruitment, retention, and adherence).

To provide preliminary data on the effects of MNM and CNI on glycemic parameters (HbA1c, FBG) and clinical symptoms (pain intensity, functional mobility).

Methodology:

Participants (n=75) with type 2 diabetes and clinically confirmed DPN were randomized into three equal groups:

Group 1 (MNM): Received manual neural mobilization targeting the lower limbs (2 sessions/week for 12 weeks).

Group 2 (CNI): Received cervical neuromodulatory techniques aimed at influencing the autonomic nervous system (2 sessions/week for 12 weeks).

Group 3 (Control): Received standard medical and physiotherapy care.

Outcome Assessment:

Feasibility was measured by tracking recruitment success and participant retention. Secondary exploratory outcomes included laboratory tests for HbA1c and Fasting Blood Glucose, and clinical scales for pain (VAS) and quality of life (SF-36). As this is a pilot study, the results are intended to inform the design and sample size of future definitive trials rather than to establish final clinical efficacy.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
75

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Egypt
      • Cairo, Egypt
        • Cairo University Hospitals, Kasr Al-Ainy

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Clinically confirmed diabetic peripheral neuropathy
  • Ability to attend twice-weekly intervention sessions for 12 weeks
  • Stable medication regimen for at least 3 months

Exclusion Criteria:

  • Severe cardiovascular, neurological, or musculoskeletal disorders
  • Recent surgery (<6 months) in lower limbs or cervical spine
  • Pregnancy or breastfeeding
  • Cognitive impairment preventing informed consent or compliance

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Manual Neural Mobilization (MNM)
Participants in this group received manual neural mobilization techniques targeting the peripheral nerves of the lower limb. The intervention was administered twice weekly for 12 weeks in addition to standard care.
Procedure: Manual Neural Mobilization
Manual neural mobilization techniques were applied to improve neural mobility and reduce mechanosensitivity in the lower extremities. Treatment sessions were conducted twice weekly over a 12-week period.
Experimental: Cervical Neuromodulatory Intervention (CNI)
Participants in this group received cervical neuromodulatory intervention aimed at influencing neural function via cervical spine techniques. The intervention was delivered twice weekly for 12 weeks in addition to standard care.
Procedure: Cervical Neuromodulatory Intervention
Cervical neuromodulatory techniques were applied at the cervical spine to modulate neural function and potentially influence systemic outcomes. Sessions were conducted twice weekly for 12 weeks.
Active Comparator: Standard Care
Participants in this group received standard medical and physiotherapy care without additional manual therapy interventions over a 12-week period.
Other: Standard Care
Participants continued to receive usual care as prescribed, including routine medical management and general physiotherapy advice.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Recruitment Rate
Time Frame: 3 months
Description: The average number of participants recruited per month during the recruitment period.
3 months
Retention Rate
Time Frame: 12 weeks
Description: The percentage of participants who complete the final assessment at 12 weeks relative to the number of participants randomized.
12 weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Pain Intensity (Visual Analogue Scale - VAS)
Time Frame: Baseline, 6 weeks, and 12 weeks
Description: Participants rate their pain on a scale from 0 to 10, where 0 represents "no pain" and 10 represents "worst imaginable pain". Lower scores indicate a better outcome (reduction in pain).
Baseline, 6 weeks, and 12 weeks
Quality of Life (SF-36 Questionnaire)
Time Frame: Baseline and 12 weeks
The Short Form-36 (SF-36) scores range from 0 to 100. Higher scores represent better physical and mental health status.
Baseline and 12 weeks
Fasting Blood Glucose (FBG)
Time Frame: Baseline and 12 weeks
FBG will be measured using venous blood samples to assess metabolic control.
Baseline and 12 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Abeer Abdrabo

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: abeer abdrabo, Isra University, Jordan
  • Principal Investigator: Amira Ezzat, Heliopolis University, Egypt

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 5, 2026

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 30, 2026

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 1, 2026

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 6, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 12, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 17, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
April 22, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 18, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • DPN-MNM-CNI-2026-01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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