Benefits of Tanning in Fibromyalgia Patients
Study Details
Study Description
Brief Summary
-
To establish whether ultraviolet light exposure acutely reduces perceptions of pain in patients with fibromyalgia.
-
To establish whether a series of UV light exposures has a cumulative effect on fibromyalgia pain.
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
N/A |
Detailed Description
Fibromyalgia is a common chronic disorder characterized by widespread pain and fatigue. It occurs primarily in women, especially women of childbearing age. The effectiveness of treatment for this disorder is limited, and alternative medical treatments are commonly used.
Ultraviolet (UV) light exposure gives a sense of relaxation. It is unknown whether UV exposure has any effect on pain, particularly in patients with fibromyalgia. Through studies performed with RO3 funding from the National Institute of Drug Abuse (NIDA), we demonstrated that in frequent tanners, appearance is less important than UV-induced relaxation in motivating tanning behavior. Moreover, we determined that UV light has reinforcing properties apart from any psychosocial benefits of having a tan. One subject in our study reported low back pain relief from the UV exposure condition.
This is a two-year proposal that is the beginning of a long-term plan to assess whether indoor tanning ultraviolet light exposure has a therapeutic effect for patients with chronic pain. To this end, we will determine the effect of UV light on fibromyalgia pain in a controlled, double blind clinical trial of UV exposure. This approach is carefully designed to separate the effects of UV exposure on pain from potential confounds associated with the tanning procedure, including any perceived benefits of having a tan. The results of this study will increase our understanding of the specific influence of UV light on persistence in tanning behavior.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: UVB First Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with UV. The dose of UV (time of exposure) will be progressively increased from 3 minutes to 9 minutes over the 6 visits to acclimate subjects to UV light. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive UVB tanning bed treatment first, then switch to the non-UVB treatment. |
Device: UVB
UVB exposure by a tanning bed
Other Names:
Procedure: Non-UVB
Non-UVB exposure by a tanning bed
|
Placebo Comparator: Non-UVB First Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with non-UV bulbs. The time of exposure will be progressively increased from 3 minutes to 9 minutes over the 6 visits to mirror UVB treatment. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive non-UVB tanning bed treatment first, then switch to the UVB treatment. |
Device: UVB
UVB exposure by a tanning bed
Other Names:
Procedure: Non-UVB
Non-UVB exposure by a tanning bed
|
Experimental: UVB The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of UVB. |
Device: UVB
UVB exposure by a tanning bed
Other Names:
|
Placebo Comparator: Non-UVB The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of non-UVB exposure |
Procedure: Non-UVB
Non-UVB exposure by a tanning bed
|
Outcome Measures
Primary Outcome Measures
- Pain Relief Success Rates (Phase I) [2 weeks]
Percentage of exposures that showed pain relief (2 point improvement in Likert scale) in the 11 point Likert scale.
- Pain Score- Likert Scale(Phase II) [6 weeks]
Pain will be assessed on an 11-point pain scale where 0=no pain and 10=worst possible pain. A 30% improvement in reported pain will be considered a treatment "success.
Secondary Outcome Measures
- Post-treatment Pain Scores- Likert Scale (Phase I) [2 weeks]
As a secondary outcome, the post-treatment pain scores between the UV and non-UV exposures given on the first day the dose is given will be compared. Pain will be assessed on an 11-point pain Likert scale where 0=no pain and 10=worst possible pain
- Pain Scores of the UV and Non-UV Exposure (Phase II) [4 weeks post-treatment]
The pain scores were assessed using a Likert Scale. Pain will be assessed on an 11-point pain Likert scale where 0=no pain and 10=worst possible pain.
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Fibromyalgia patients who meet the fibromyalgia criteria, and who have been diagnosed with fibromyalgia by a board certified rheumatologist. The fibromyalgia criteria {as defined by the American College of Rheumatology (ACR)} require the patient to have: at least 3 months of widespread pain defined as: bilateral; above and below the waist, including axial skeletal pain; and pain to palpation with 4kg of pressure at a minimum of 11 out of 18 predefined tender points.
-
Ideally, patients should not be taking medication for treatment of fibromyalgia, and they should not be taking psychoactive medications on an as needed basis for treatment of fibromyalgia. However, if patients are taking psychoactive or other medications for the treatment of fibromyalgia, then they should be on a stable dose, defined as no change in dosage in the 4 weeks prior to study enrollment.
-
Patients must agree to not partake in tanning bed UV exposure during the study.
Exclusion Criteria:
-
Fitzpatrick skin type 1 ("never tan, always burn")
-
Past or present skin cancer
-
Current use of photosensitizing drugs (current use of photosensitizing drugs will be evaluated via a patient questionnaire at time of patient enrollment - see Appendix 1),, psychoactive medications (not a stable dose, defined as no change in dosage in the 4 weeks prior to study enrollment), or illicit drugs
-
Pregnant, planning to become pregnant, or breast feeding
-
Significant visual discrimination of UV versus non-UV conditions
-
Greater than 6 indoor tanning sessions over the past year
-
Concurrent photosensitive disease, positive antinuclear antibody test, positive anti-Smith antibody test, or positive anti-dsDNA test.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Wake Forest University Health Sciences | Winston-Salem | North Carolina | United States | 27157 |
Sponsors and Collaborators
- Wake Forest University
Investigators
- Principal Investigator: Steven R. Feldman, M.D., Ph.D., Wake Forest University Health Sciences
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- II-CDR-Fibromyalgia
Study Results
Participant Flow
Recruitment Details | |
---|---|
Pre-assignment Detail |
Arm/Group Title | Phase I - UVB First | Phase I - Non-UVB First | Phase II - UVB Exposure | Phase II -Non-UVB |
---|---|---|---|---|
Arm/Group Description | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with UV. The dose of UV (time of exposure) will be progressively increased from 3 minutes to 9 minutes over the 6 visits to acclimate subjects to UV light. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive UVB tanning bed treatment first, then switch to the non-UVB treatment. UVB: UVB exposure by a tanning bed | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with non-UV bulbs. The time of exposure will be progressively increased from 3 minutes to 9 minutes over the 6 visits to mirror UVB treatment. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive non-UVB tanning bed treatment first, then switch to the UVB treatment. UVB: UVB exposure by a tanning bed | Part of the subjects who complete the acclimation phase of the study ( Phase I) will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of UVB. | Part of the subjects who complete the acclimation phase of the study ( Phase I) will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of non-UVB exposure in Phase II. |
Period Title: Phase I | ||||
STARTED | 10 | 9 | 0 | 0 |
COMPLETED | 10 | 9 | 0 | 0 |
NOT COMPLETED | 0 | 0 | 0 | 0 |
Period Title: Phase I | ||||
STARTED | 0 | 0 | 8 | 8 |
COMPLETED | 0 | 0 | 7 | 7 |
NOT COMPLETED | 0 | 0 | 1 | 1 |
Baseline Characteristics
Arm/Group Title | UVB First | Non-UVB First | Total |
---|---|---|---|
Arm/Group Description | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with UV. The dose of UV (time of exposure) will be progressively increased from 3 minutes to 9 minutes over the 6 visits to acclimate subjects to UV light. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive UVB tanning bed treatment first, then switch to the non-UVB treatment. UVB: UVB exposure by a tanning bed | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with non-UV bulbs. The time of exposure will be progressively increased from 3 minutes to 9 minutes over the 6 visits to mirror UVB treatment. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group will be randomized to receive non-UVB tanning bed treatment first, then switch to the UVB treatment. UVB: UVB exposure by a tanning bed | Total of all reporting groups |
Overall Participants | 10 | 9 | 19 |
Age (Count of Participants) | |||
<=18 years |
0
0%
|
0
0%
|
0
0%
|
Between 18 and 65 years |
10
100%
|
9
100%
|
19
100%
|
>=65 years |
0
0%
|
0
0%
|
0
0%
|
Sex: Female, Male (Count of Participants) | |||
Female |
10
100%
|
9
100%
|
19
100%
|
Male |
0
0%
|
0
0%
|
0
0%
|
Race and Ethnicity Not Collected (Count of Participants) | |||
Count of Participants [Participants] |
0
0%
|
||
Region of Enrollment (participants) [Number] | |||
United States |
10
100%
|
9
100%
|
19
100%
|
Outcome Measures
Title | Pain Relief Success Rates (Phase I) |
---|---|
Description | Percentage of exposures that showed pain relief (2 point improvement in Likert scale) in the 11 point Likert scale. |
Time Frame | 2 weeks |
Outcome Measure Data
Analysis Population Description |
---|
[Not Specified] |
Arm/Group Title | UVB Exposure | Non-UVB Exposure |
---|---|---|
Arm/Group Description | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with UV. The dose of UV (time of exposure) will be progressively increased from 3 minutes to 9 minutes over the 6 visits to acclimate subjects to UV light. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group received UVB tanning bed treatment. UVB: UVB exposure by a tanning bed | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with non-UV bulbs. The time of exposure will be progressively increased from 3 minutes to 9 minutes over the 6 visits to mirror UVB treatment. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group received non-UVB tanning bed treatment. UVB: UVB exposure by a tanning bed |
Measure Participants | 19 | 19 |
Number [percentage of exposures with relief] |
33
|
16
|
Title | Pain Score- Likert Scale(Phase II) |
---|---|
Description | Pain will be assessed on an 11-point pain scale where 0=no pain and 10=worst possible pain. A 30% improvement in reported pain will be considered a treatment "success. |
Time Frame | 6 weeks |
Outcome Measure Data
Analysis Population Description |
---|
[Not Specified] |
Arm/Group Title | UVB Exposure | Non-UVB |
---|---|---|
Arm/Group Description | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of UVB. | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of non-UVB exposure |
Measure Participants | 7 | 7 |
Mean (Standard Error) [score on a scale] |
4.55
(0.29)
|
4.95
(0.24)
|
Title | Post-treatment Pain Scores- Likert Scale (Phase I) |
---|---|
Description | As a secondary outcome, the post-treatment pain scores between the UV and non-UV exposures given on the first day the dose is given will be compared. Pain will be assessed on an 11-point pain Likert scale where 0=no pain and 10=worst possible pain |
Time Frame | 2 weeks |
Outcome Measure Data
Analysis Population Description |
---|
[Not Specified] |
Arm/Group Title | UVB Exposure | Non-UVB Exposure |
---|---|---|
Arm/Group Description | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with UV. The dose of UV (time of exposure) will be progressively increased from 3 minutes to 9 minutes over the 6 visits to acclimate subjects to UV light. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group received UVB tanning bed treatment. UVB: UVB exposure by a tanning bed | Subjects with fibromyalgia will undergo 6 tanning sessions (3/week x 2 weeks) at which they will be exposed in tanning beds with non-UV bulbs. The time of exposure will be progressively increased from 3 minutes to 9 minutes over the 6 visits to mirror UVB treatment. Before and after every tanning session the subject will complete the pain questionnaire. Subjects in this group received non-UVB tanning bed treatment. UVB: UVB exposure by a tanning bed |
Measure Participants | 19 | 19 |
Mean (Standard Deviation) [score on a scale] |
4.89
(2.56)
|
5.21
(2.64)
|
Title | Pain Scores of the UV and Non-UV Exposure (Phase II) |
---|---|
Description | The pain scores were assessed using a Likert Scale. Pain will be assessed on an 11-point pain Likert scale where 0=no pain and 10=worst possible pain. |
Time Frame | 4 weeks post-treatment |
Outcome Measure Data
Analysis Population Description |
---|
[Not Specified] |
Arm/Group Title | UVB Exposure | Non-UVB |
---|---|---|
Arm/Group Description | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of UVB. | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of non-UVB exposure |
Measure Participants | 7 | 7 |
Mean (Standard Error) [score on a scale] |
4.65
(.56)
|
5.54
(.32)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | UVB Exposure, Non-UVB Exposure |
---|---|---|
Comments | ||
Type of Statistical Test | Other | |
Comments | ||
Statistical Test of Hypothesis | p-Value | .1811 |
Comments | ||
Method | t-test, 2 sided | |
Comments |
Adverse Events
Time Frame | 12 weeks | |||
---|---|---|---|---|
Adverse Event Reporting Description | ||||
Arm/Group Title | UVB Exposure | Non-UVB | ||
Arm/Group Description | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of UVB. | The subjects who complete the acclimation phase of the study will then be randomized to 3 times/week treatments for 6 weeks with a fixed dose (10 min) of non-UVB exposure | ||
All Cause Mortality |
||||
UVB Exposure | Non-UVB | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/19 (0%) | 0/19 (0%) | ||
Serious Adverse Events |
||||
UVB Exposure | Non-UVB | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/19 (0%) | 0/19 (0%) | ||
Other (Not Including Serious) Adverse Events |
||||
UVB Exposure | Non-UVB | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/19 (0%) | 0/19 (0%) |
Limitations/Caveats
More Information
Certain Agreements
All Principal Investigators ARE employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
Results Point of Contact
Name/Title | Steve feldman, MD |
---|---|
Organization | Wake Forest University Health Sciences |
Phone | 336-716-3775 |
sfeldman@wakehealth.edu |
- II-CDR-Fibromyalgia