This research project investigates the clinical and genetic associations of Actinic Prurigo (AP) in the Thai population. As a rare chronic photodermatosis, AP has been observed to occur more frequently in individuals with certain genetic predispositions, particularly specific Human Leukocyte Antigen (HLA) types. Previous studies have suggested variations in clinical presentation and HLA allele distributions between Asian and Western populations. The primary aim is to explore the relationship between clinical manifestations of AP and genetic profiles, including HLA typing, among Thai individuals. Additionally, the study seeks to examine whether different HLA types are associated with varying responses to treatment. The study design is a cross-sectional comparative study, involving both AP patients and age-matched healthy controls. Given the rarity of the condition, patient recruitment will be conducted across four collaborating institutions: King Chulalongkorn Memorial Hospital Siriraj Hospital Institute of Dermatology
Study Type
OBSERVATIONAL
Enrollment
47
Genetic study
Nanostring technology, Seattle
Skin and mucosa examination
Faculty of Medicine Chulalongkorn University
Bangkok, Thailand
RECRUITINGTargeted long-read HLA sequencing
Correlation between the occurrence of Actinic Prurigo (AP), its clinical manifestations, and genetic factors-including HLA types-in individuals of Thai ancestry.
Time frame: through study completion, an average of 1 year
Short-read whole genome sequencing (WGS)
Correlation between the occurrence of Actinic Prurigo (AP), its clinical manifestations, and genetic factors-including short-read whole genome sequencing (WGS)-in individuals of Thai ancestry.
Time frame: through study completion, an average of 1 year
Immunology study
Correlation between the occurrence of Actinic Prurigo (AP), its clinical manifestations, and immunological factors in individuals of Thai ancestry, measured by RNA extraction and gene expression analysis.
Time frame: through study completion, an average of 1 year
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