Clinical Research Directory

Liquid Biomarker Study in Melanoma and Non-Melanoma Skin Cancers

The goal of this observational study is to study blood samples and compare them to other biospecimens and clinical outcomes in participants who have melanoma or non-melanoma skin cancers. The main question it aims to answer is: * Are blood based signatures able to predict progression-free survival (PFS)? Participants undergoing regular treatment for their skin cancer will provide blood samples.

Determining the Prevalence of Muir-Torre Syndrome in Patients With Lynch Syndrome

The main aim of this study is to determine the prevalence of Muir-Torre syndrome (MTS) in the population of patients with Lynch syndrome (LS) confirmed by genetic analysis. Other aims include describing the dermatological clinical manifestations of these patients in order to describe any possible new cutaneous manifestations of this syndrome. Another aim is to use molecular biology (microsatellite instability) and immunohistochemistry to analyze non-sebaceous skin lesions and deep-seated tumors that do not belong to the narrow spectrum of Lynch syndrome, and determine whether their occurrence in these patients is related to the genetic syndrome. The follow-up of these tumors (screening for new tumors) in patients with SL, as recommended by the learned societies, will also be evaluated. Finally, a biobank of cutaneous and deep tumour lesions in paraffin (retrospective) and smears of cutaneous lesions and healthy tissue (prospective) will be set up.