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Ultraviolet related DNA-damage in skin of patients with atopic dermatitis and atopic status in relation to the use of Myfortic®.


- candidate number2225
- NTR NumberNTR760
- ISRCTNISRCTN23778671
- Date ISRCTN created22-nov-2006
- date ISRCTN requested8-nov-2006
- Date Registered NTR31-aug-2006
- Secondary IDs14196 
- Public TitleUltraviolet related DNA-damage in skin of patients with atopic dermatitis and atopic status in relation to the use of Myfortic®.
- Scientific TitleUltraviolet related DNA-damage in skin of patients with atopic dermatitis and atopic status in relation to the use of Myfortic®.
- ACRONYMEffect of Myfortic® on UV-induced DNA-damage and atopic status
- hypothesisThe use of the oral immunosuppressant Myfortic® in the treatment of atopic dermatitis might be responsible for the delay the repair of DNA-damage in the skin after UV-exposition.
- Healt Condition(s) or Problem(s) studiedAtopic dermatitis
- Inclusion criteria1. Age from 18 years;
2. Atopic dermatitis according to the criteria of Hanifin and Rajka;
3. Insufficient respons to topical therapy alone;
4. The physician estimates that treatment with oral immunosuppressiva agents is indicated.
- Exclusion criteria1. Patients with any known hypersensitivity to mycofenolic acid or other components of the formulation;
2. Oral immunosuppressive treatment in the last 6 weeks;
3. Concomittant UV therapy or UV therapy in the last two months;
4. Contact with UV on the laesional skin for the last two months;
5. Patients with thrombocytopenia (<75.000/mm3), with an absolute neutrophil count <1.500/mm3 and/or leukocytopenia (<2.500/mm3) and/or hemoglobin <6,0g/dl priot to enrollment;
6. Patients who have received an investigational drug within two weeks prior to screening;
7. Patients with a history of malignancy within the last five years;
8. Females of childbearing potential who are planning to become pregnant, who are pregnant and/or lactating, who are unwilling to use effective means of contraception;
9. Patients with an immunologic disorder (like RA, SLE or M. Sjögren) or a preexistent dermatologic disorder that worsens in combination with UV (like LE or photosensitive eczema);
10. Presence of clinically significant infection requiring continued therapy, severe diarrhea or uncontrolled diabetes mellitus that would interfere with the appropiate conduct of the study.
- mec approval receivedno
- multicenter trialno
- randomisedno
- group[default]
- TypeSingle arm
- Studytypeintervention
- planned startdate 1-okt-2006
- planned closingdate1-mei-2007
- Target number of participants10
- Interventions10 patients in total with atopic dermatitis are to be included in the study. The inclusion takes place after the physician has indicated that treatment with oral immunosuppressive drugs is necessary. The informed consent intake will be performed by the researcher. At inclusion a screening will be done to evaluate the severity of the eczema and the atopic state (total and specific IgE, skinpricktest and atopy patch test) of the patient. Subsequently we will compare UV-irradiated, non-laesional skin prior to treatment (control) to UV-irradiated, non-laesional skin treated with Myfortic during 12 weeks (intervention). The Minimal Erythema Dose (MED) will be determined prior to actual irradiation. Punch biopsies will be taken immediately after irradiation with 2 MED and after 24 hours. A reference biopsy will be taken from skin that is not irrradiated. The whole proces will be repeated after 12 weeks of treatment. To evaluate the atopic status after 12 weeks of treatment, we will repeat the skinpricktest and atopy patch test. The final clinical evaluation of therapy will be performed after 16 weeks.
- Primary outcomeThe difference between the percentage in repair of cyclobutane pyrimidine dimers (CPD's) before and after treatment with Myfortic is the primary study outcome.
- Secondary outcomeSecondary study outcomes are the atopic state before and after treatment with Myfortic®.
- TimepointsN/A
- Trial web sitehttp://www.dermatologyutrecht.nl/
- statusinclusion stopped: follow-up
- CONTACT FOR PUBLIC QUERIESDr. M.S. Bruin-Weller, de
- CONTACT for SCIENTIFIC QUERIESdr. E.F. Knol
- Sponsor/Initiator University Medical Center Utrecht (UMCU), Department of Dermatology and Allergology
- Funding
(Source(s) of Monetary or Material Support)
Novartis Pharma B.V.
- PublicationsN/A
- Brief summaryAtopic dermatitis (AD) is a chronic inflammatory disease, presenting with exacerbations and remissions, leading to an impaired quality of life in a large group of patients. Continuously there is being searched for new and improved treatments. Myfortic (mycophenolic acid) is a promising immunosuppressive drug for the treatment of severe AD patients, especially those patients with an atopic disposition.
- In literature a possible relationship between the use of oral immunosuppressive drugs and the development of non-melanoma skin cancer is suggested. There have been no in-vivo studies performed that evaluate the effect of oral immunosuppressive drugs on UV-related DNA-damage.
- No in-vitro or in-vivo data exist on the effect of Myfortic on DNA-repair after UV irradiation. The primary aim is to study the effect of treatment of severe AD patients with Myfortic on DNA-repair after irradiation with UVB.
Secondary aims are to study the effect of Myfortic® on clinical efficacy and safety in severe AD patients, with special attention to the effect of treatment on atopic status, measured as total IgE and specific IgE, skin prick tests and atopy patch tests.
- Main changes (audit trail)
- RECORD31-aug-2006 - 27-nov-2009


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