- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02713711
Effectiveness of Artificial Balneotherapy, Phototherapy and Artificial Balneophototherapy in the Treatment of Psoriasis
Comparison of the Effectiveness of Artificial Balneotherapy, Phototherapy and Artificial Balneophototherapy in the Treatment of Psoriasis: A Randomized, Controlled Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
On the selected subjects, it was also performed the evaluation of Minimal Erythema Dose (MED) in order to determine an acceptable dose of UV-B light for the type of skin of each patient. Thus, the evaluations were performed according to psoriasis type, area, color and plaques severity. The formula used for the calculation was:
MED = 2×t(s)×0,75 t: minimum time for erythema occurrence.
Each psoriatic plaque was submitted to three therapeutic sessions per week, during 4 weeks, for a total of 12 sessions.
For the application of AB, the AB group plaques were immersed during 15 minutes in a 35 or 75 l hydrotherapy whirlpool (TB-T45 model and TB-T90 model respectively, Enraf Nonius Company SA, Spain) filled with a solution of warm water (32 °C) and natural sea salt (250 g/L), following the similar protocol of others authors always ensuring that the plaques not receiving this treatment were kept isolated with flexible and insulating adhesive patches (Nexcare® Factory 3M, Chile).
For the implementation of PT, the PT group plaques that would not receive radiation were covered with thick cloth towels, while the healthy skin surrounding the treated plaques were coated with liquid petroleum jelly. Both patients and attendant were protected with special lenses with filter against UV light (Oakley Jupiter, USA). UV-B radiation was applied with the UV Endolamp 474 device (Enraf Nonius Company SA, Spain), 60 cm away from the plaque and in a perpendicular position. In session 1, the MED was calculated for each subject and used as the time of UV-B exposure. On each further session, the exposure time was increased by 25%, until the limit of 5 minutes.
The BPT group plaques received both AB and PT treatments, on the same conditions described above, consecutively.
The C group plaques did not receive any treatment.
Data Collection The plaques were photographed at a distance of 20 cm with a 12 pixel Lumix digital camera (Panasonic, USA). For area quantification, the photographs were taken before session 1 and a day after session 6 and 12, and were analyzed with ImageJ software (version 1.46j; National Institute of Health, MD, USA). For color evaluation, the photographs taken before session 1 and after session 12 were analyzed with the Average color seeker software (Version 0.41; IDimager Systems Inc., Scotts Valley, CA, USA), which uses the Red-Green-Blue (RGB) coordinates system that reports the information about the red color channel, associated to erythema occurrence, in arbitrary units. Therefore, greater red color measurements for skin pigmentation may indicate increased erythema.
The psoriatic plaque severity was assessed before session 1 and one day after session 12 through PASI, which considers erythema, induration and plaque scaling, being 72 points the maximum score.
Quality of life assessment was performed using the SF-36 TM v2 health questionnaire, validated for the Chilean population10, and with the psoriasis disability index (PDI), both performed before session 1 and one day after session 12.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- be more than 18 years-old,
- have more than one plaque on the skin,
- medically diagnosed as plaque psoriasis over a year ago and,
- without concurrent topical treatment for Psoriasis (by own choice).
Exclusion Criteria:
- pregnancy,
- skin carcinoma,
- severe diabetes mellitus,
- uncontrolled chronic pathologies and/or severe cardiac/renal insufficiency and/or acute infections.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: control group
The control group plaques did not receive any treatment.
|
|
Experimental: phototherapy group
Twelve sessions of phototherapy (UV-B) applied on psoriatic plaques according to individual initial evaluation of Minimal Erythema Dose (MED).
|
Twelve sessions of phototherapy (UV-B) according to individual initial evaluation of Minimal Erythema Dose (MED).
|
Experimental: balneotherapy
Twelve sessions of 15 minutes of balneotherapy (warm water, 32 °C and natural sea salt, 250 g/L) applied on psoriatic plaques.
|
Twelve sessions of 15 minutes of balneotherapy (warm water, 32 °C and natural sea salt, 250 g/L).
|
Experimental: balneophototherapy
Twelve sessions of both balneotherapy and phototherapy treatments on the same conditions described above applied on psoriatic plaques.
|
Twelve sessions of both balneotherapy and phototherapy treatments.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage Change in Psoriatic Plaque Area
Time Frame: Before first session (day 1), after the six session (day 12) and after the twelve session (day 26)
|
The plaques were photographed at a distance of 20 cm with a 12 pixel Lumix digital camera (Panasonic, USA).
For area quantification, the photographs were taken before session 1 and a day after session 6 and 12, and were analyzed with ImageJ software (version 1.46j; National Institute of Health, MD, USA).
A single area value was calculated per psoriatic plaque after twelve sessions (percentage of decrease).
|
Before first session (day 1), after the six session (day 12) and after the twelve session (day 26)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Arbitrary Units Change in Psoriatic Plaque Erythema
Time Frame: Before first session (day 1) and after the twelve session (day 26)
|
The plaques were photographed at a distance of 20 cm with a 12 pixel Lumix digital camera (Panasonic, USA).
For color evaluation, the photographs taken before session 1 and after session 12 were analyzed with the Average color seeker software (Version 0.41; IDimager Systems Inc., Scotts Valley, CA, USA), which uses the Red-Green-Blue (RGB) coordinates system that reports the information about the red color channel, associated to erythema occurrence, in arbitrary units.
Therefore, greater red color measurements for skin pigmentation may indicate increased erythema.
A single value was calculated per psoriatic plaque.
|
Before first session (day 1) and after the twelve session (day 26)
|
Number of Participants With Change in PASI From Baseline to Session 12
Time Frame: Before first session (day 1) and after the twelve session (day 26)
|
The Psoriasis Area Severity Index (PASI) is an index (score determination) used to express the severity of psoriasis. It combines the severity (erythema, induration and desquamation) and percentage of affected area Instructions For each body section (head, arms, trunk and legs) specify: the percent of area of skin involved the severity of three clinical signs (erythema, induration and desquamation) on a scale from 0 to 4 (from none to maximum). In this study plaque severity was presented as percentage of initial value. A reduction of 75 % on plaque severity was considered effective (Puig, 2007). |
Before first session (day 1) and after the twelve session (day 26)
|
Number of Participants With Change in Quality of Life
Time Frame: Before first session (day 1) and after the twelve session (day 26)
|
Assessment by Short Form 36 Health Survey (SF-36) score. The SF-36 is a 36-item, patient-reported survey of patient health. The SF-36 is a measure of health status. The SF-36 consists of eight scaled scores, which are the weighted sums of the questions in their section. Each scale is directly transformed into a 0-100 scale on the assumption that each question carries equal weight. The lower the score the more disability. The higher the score the less disability i.e., a score of zero is equivalent to maximum disability and a score of 100 is equivalent to no disability. To calculate the scores it is necessary to purchase special software. Pricing depends on the number of scores that the researcher needs to calculate. The eight sections are: vitality physical functioning bodily pain general health perceptions physical role functioning emotional role functioning social role functioning mental health In this study quality of life were presented as p |
Before first session (day 1) and after the twelve session (day 26)
|
Number of Participants With Change in Psoriasis Disability
Time Frame: Session 1 and session 12
|
Assessment by Psoriasis Disability Index (PDI) score. The Psoriasis Disability Index is calculated by summing the score of each of the 15 questions, resulting in a maximum of 45 and a minimum of 0. The higher the score, the more quality of life is impaired. The Psoriasis Disability Index can also be expressed as a percentage of the maximum possible score of 45. |
Session 1 and session 12
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- TUCM/1261/N822c/2014
- 11/2012 (Other Identifier: Universidad Católica del Maule)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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