Glucose Trnsporter and PEDF in Psoriasis

Study Purpose

Psoriasis is a chronic relapsing cutaneous immune mediated inflammatory disease(IMID). In which there are skin lesions characterized by erythema, thickness and scale formation with different size from a pinhead to 20 cm in diameter. Prevalence of psoriasis is 2% to 4% worldwide. Psoriasis occurs at any age with two peaks: between 15-20 years and between 55-60 years. Women are presented with psoriasis at younger age than men ,but with less severity. lesions usually present on knee, elbow, scalp and sacral region this may be attributed to higher traumatic incident . Psoriasis vulgaris is the most common type, and accounts 90% of cases. Patients with psoriasis vulgaris present with pain, itching and bleeding from skin lesions. There are many theories for psoriasis pathogenesis: angiogenesis, decrease in apoptosis of keratinocyte, hyperproliferation , alteration of cell to cell adhesion and immune-mediated inflammation. Patients with immune mediated inflammatory disease (IMID) are susceptible to develop diabetes mellitus, metabolic syndrome, hyperlipidemia, and hypertension.A previous study found that psoriatic patients are more susceptible to type 2 diabetes compared to control. Glucose transporter type 1(GLUT1) is upregulated in psoriatic patient attributed to angiogenesis and execessive cell proliferation in those patients .Also expression of GLUT 1 is found high with hyperglycemia . A study reported that GLUT 1 density in placenta of women with gestational diabetes was found to be two folds higher than control. Pigment epithelium derived factor (PEDF) has antiangiogenic effect. Topical application of PEDF on mouse model of psoriatic disease helps in reduction of skin proliferation and angiogenesis. GLUT 1 overexpression was found to be associated with decrease in PEDF expression in diabetic retinopathy. In view of that we will compare the level of GLUT 1 gene in psoriatic patients and psoriatic patients with diabetes, as well as healthy control, and detect the effect of PEDF on GLUT 1 expression in vitro using human keratinocytes cell line .

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.

An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.

Searching Both is inclusive of interventional and observational studies.

Eligible Ages N/A and Over
Gender Male
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Patients with psoriasis vulgaris Patients with psoriasis vulgaris and type 2 diabetes.

Exclusion Criteria:

- Factors affect GLUT 1 expression As: tumors either benign or malignant cause increase GLUT 1 expression

Trial Details

Trial ID:

This trial id was obtained from, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.


Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Assiut University
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Naglaa K Idriss, asst. profAyaat ِA Sayed, asst. prof
Principal Investigator Affiliation Assiut UniversityAssiut University
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Overall Status Not yet recruiting

The disease, disorder, syndrome, illness, or injury that is being studied.

Psoriasis Vulgaris
Study Website: View Trial Website
Arms & Interventions


: patients with psoriasis vulgaris only

: patients with psoriasis vulgaris and type 2 diabetes mellitus

: healthy control


Diagnostic Test: - GLUT 1 gene expression

GLUT 1 gene expression will done on blood samples taken from three groups using real time PCR. Pigment epithelium derived factor will used on keratinocytes cell line and compare GLUT 1 gene expression before and after treatment.

Contact Information

This trial has no sites locations listed at this time. If you are interested in learning more, you can contact the trial's primary contact:

Sherouk S Elkady, demonstrator

[email protected]

+002 01066090960

For additional contact information, you can also visit the trial on

The content provided on clinical trials is for informational purposes only and is not a substitute for medical consultation with your healthcare provider. We do not recommend or endorse any specific study and you are advised to discuss the information shown with your healthcare provider. While we believe the information presented on this website to be accurate at the time of writing, we do not guarantee that its contents are correct, complete, or applicable to any particular individual situation. We strongly encourage individuals to seek out appropriate medical advice and treatment from their physicians. We cannot guarantee the availability of any clinical trial listed and will not be responsible if you are considered ineligible to participate in a given clinical trial. We are also not liable for any injury arising as a result of participation.