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Effect of narrowband ultraviolet B therapy on serum levels of CD26/dipeptidyl-peptidase IV and truncated form of substance P in plaque-type psoriasis

Effect of narrowband ultraviolet B therapy on serum levels of CD26/dipeptidyl-peptidase IV and truncated form of substance P in plaque-type psoriasis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20190709005
Enrollment
Unknown
Registered
2019-07-09
Start date
2019-03-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

itch in psoriasis CD26/DPPIV&#44

Interventions

• Patient aged ≥ 18 years old. • Moderate to severe plaque&#45
type psoriasis (Psoriasis Area and Severity Index
PASI >10) patient.
Basic Science
psoriasis

Sponsors

The National Research Council of Thailand
Lead Sponsor
Thammasart university
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria • Patient aged ≥ 18 years old. • Moderate to severe plaque-type psoriasis (Psoriasis Area and Severity Index; PASI >10) patient with pruritus.

Exclusion criteria

Exclusion criteria: Exclusion criteria • Patients’ refusal to give a consent • Patient taking other treatment for the disease; topical therapies within 2 weeks, systemic therapies and phototherapy within 4 weeks prior the study period. • Patient with contraindication of narrowband UVB (e.g. xeroderma pigmentosum, other inherited disorder associated with UV-induced carcinogenesis, photodermatosis, history of skin cancer) • Patient with known history of photosensitivity • Presence of psoriasis arthritis • Patient with CD26 and DPPIV associated diseases -T-cell leukemia/lymphoma, as Mycosis fungoides (MF) and Sezary syndrome (SS), Non-Hodgkin's lymphoma, T-cell large granular lymphocyte leukemia, Systemic lupus erythematosus, rheumatoid arthritis, Diabetes mellitus, cancer, chronic diseases, HIV infection , Allergic disease , Atopic dermatitis • Patient with substance P associated diseases and drugs o Chronic urticarial, Prurigo nodularis, Major depressive disorder, anxiety, Uremia, Diabetic mellitus, Chronic pancreatitis, Coronary artery disease, Ulcerative colitis and Crohn's disease, Behçet's disease, Inflammatory bowel disease, Sickle cell crisis, Rheumatological diseases, Infectious diseases (such as AIDS and respiratory syncytial virus), Cancer, Autoimmune myelofibrosis, Liver diseases and Cirrhosis o Nicergoline, Chemotherapy, Hormone therapy, Etanercept, Anti-histamine, Tropisetron • presence of autoimmune disease or immunocompromised conditions • unreliable and poor compliance patients

Design outcomes

Primary

MeasureTime frame
serum levels of DPPIV/CD26 and truncated SP the laboratory process launch in one day, after no more than 1 month of serum storage ELISA KITs

Secondary

MeasureTime frame
PASI score before and after irradiation PASI score,visaul analog scale (VAS) score and itch severity scale (ISS) before and after irradiation visaul analog scale (VAS) score and itch severity scale (ISS) ,The Dermatology life Quality Index (DLQI) before and after irradiation The Dermatology life Quality Index (DLQI)

Countries

Thailand

Contacts

Public Contactsupicha kongthong

dermatology

supichakt@gmail.com0882687881

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026