- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00795106
Trial to Evaluate the Efficacy of Topical Capsaicin to Reduce Pain and Improve Health-related Quality of Life in Adults With Chronic Myofascial Neck Pain
December 5, 2016 updated by: Stamford Hospital
Double-blinded, Cross-over Randomized Controlled Trial to Evaluate the Efficacy of Topical Capsaicin to Reduce Pain and Improve Health-related Quality of Life in Adults With Chronic Myofascial Neck Pain
Chronic neck pain is a common condition that can negatively impact quality of life.
Substance P is one of the chemicals in the body that can transmit pain signals from overloaded neck muscles to the brain.
Topical capsaicin blocks the action of Substance P by releasing, and subsequently depleting the body's store of Substance P in the nerves.
Topical capsaicin has been reported to be an effective therapy for a number of persistent pain conditions including diabetic neuropathy, post-herpetic neuralgia, osteoarthritis, rheumatoid arthritis, and post-mastectomy pain.
This study will evaluate the efficacy of topical capsaicin to reduce pain and improve health-related quality of life in adults with chronic muscular neck pain.
Study Overview
Status
Withdrawn
Conditions
Intervention / Treatment
Detailed Description
The study will employ a double blinded randomized controlled cross-over trial design.
A total of 60 patients aged 18-65 with at least 3 months of myofascial neck pain will be recruited to participate in the study.
The participants will be randomized into two groups.
Each group will undergo two 4-week treatment arms separated by a 4-week wash-out period.
Participants will apply a topical gel patch 12 hours each day overlying painful areas in the neck and shoulder girdle for each 4-week period.
The topical gel patch used in each arm of the study will be identical except the placebo will not contain the active ingredient, 0.1% capsaicin.
Both topical gel patches will be supplied by Caleb Pharmaceuticals.
Each participant will complete 3 surveys at baseline and after each 4-week treatment arm: 1) McGill Pain Scale, 2) visual analog scale, and 3) Short Form 36 (general quality of life data).
Paired T-tests will be used to evaluate for statistically significant changes between treatment with the control gel versus the active ingredient gel containing the capsaicin.
Study Type
Interventional
Phase
- Phase 2
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
-
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Connecticut
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Stamford, Connecticut, United States, 06902
- Stamford Hospital
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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
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Adults over 18 years of age
- Speak, read, and write English who have greater than 3 month duration of myofascial neck pain.
Exclusion Criteria:
- Patients who have used capsaicin in the last 4 months and patients with allergy to capsaicin
- Rash/infection overlying neck and shoulder girdle area
- Radiculopathy or structural abnormalities in the area being treated
- Unstable underlying diseases such as cardiovascular, hepatic, renal and CNS disorders will be excluded from the study
- Pregnant or breast-feeding women will not be allowed to participate in the study, and women of child bearing age will be using an effective method of birth control.
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: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Capsaicin patch
Patches will contain capsaicin 0.1% (500 mcg)
|
Each group will undergo two 4-week treatment arms separated by a 4-week wash-out period.
Participants will apply 1 hydrogel patch on both the right-sided and left-sided neck and shoulder girdle on the skin overlying a myofascial trigger point.
No more than 2 patches will be used on each subject per treatment.
During each 24-hour period, the patches will be placed on the skin for 12 hours and will be removed for 12 hours.
Placebo hydrogel patches will be 2.5 cm in diameter with a breathable cloth backing.
The experimental patches will be identical to placebo patches except will contain capsaicin 0.1% (500 mcg).
|
Placebo Comparator: Placebo patch
Placebo hydrogel patches will be 2.5 cm in diameter with a breathable cloth backing.
|
Each group will undergo two 4-week treatment arms separated by a 4-week wash-out period.
Participants will apply 1 hydrogel patch on both the right-sided and left-sided neck and shoulder girdle on the skin overlying a myofascial trigger point.
No more than 2 patches will be used on each subject per treatment.
During each 24-hour period, the patches will be placed on the skin for 12 hours and will be removed for 12 hours.
Placebo hydrogel patches will be 2.5 cm in diameter with a breathable cloth backing.
The experimental patches will be identical to placebo patches except will contain capsaicin 0.1% (500 mcg).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Visual analogue scale
Time Frame: 1 month
|
1 month
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Quality of life
Time Frame: 1 month
|
1 month
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Marc Brodsky, MD, Stamford Hospital
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
November 1, 2009
Primary Completion (Actual)
November 1, 2010
Study Completion (Actual)
November 1, 2010
Study Registration Dates
First Submitted
November 20, 2008
First Submitted That Met QC Criteria
November 20, 2008
First Posted (Estimate)
November 21, 2008
Study Record Updates
Last Update Posted (Estimate)
December 6, 2016
Last Update Submitted That Met QC Criteria
December 5, 2016
Last Verified
December 1, 2016
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Nervous System Diseases
- Pain
- Neurologic Manifestations
- Musculoskeletal Diseases
- Rheumatic Diseases
- Muscular Diseases
- Neuromuscular Diseases
- Fibromyalgia
- Neck Pain
- Myofascial Pain Syndromes
- Physiological Effects of Drugs
- Peripheral Nervous System Agents
- Sensory System Agents
- Dermatologic Agents
- Antipruritics
- Capsaicin
Other Study ID Numbers
- 08-1014.01
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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