13 परिणाम
The photochemical aminomethyltrimethyl psoralen (AMT), in conjunction with UV A light (UVA), has been shown to inactivate human immunodeficiency virus-1 and model viruses in platelet suspensions under conditions that have only a minimal effect on in vitro platelet properties. A rabbit ear bleeding
BACKGROUND
Treatment of platelet concentrates (PCs) with psoralens and broad-band ultraviolet A (UVA) radiation is being examined for the elimination of pathogens that might be present in donated blood. Previous studies have demonstrated the inactivation of cell-free viruses and the maintenance of
Haemostasis is the spontaneous arrest of bleeding from damaged blood vessel. Platelet aggregation is the major event in this process. A number of drugs are known to inhibit this process of platelet aggregation. 4,5' 8-trimethyl psoralen a naturally occurring furocoumarin is used as a
OBJECTIVE
Stable vitiligo can be treated by various surgical procedures. Non-cultured melanocyte grafting techniques were developed to overcome the time-consuming process of culture while at the same time providing acceptable results. All the techniques using non-cultured melanocyte transfer involve
BACKGROUND
To date, no clinical trials have characterized FFP infusion efficacy, and infusion still carries infectious risk. This single-blinded crossover study compared postinfusion kinetics of FVII in photochemically treated FFP to standard FFP.
METHODS
Subjects donated plasma by apheresis. Half
The use of platelet additive solutions to replace the major part of plasma as storage medium can improve storage through supply of fuel in platelet metabolism. It is important to avoid platelet activation, e.g. through optimal anticoagulation and gentle procedures at preparation. Leucodepletion of
Sézary syndrome, an aggressive form of cutaneous T-cell lymphoma, is a devastating, highly symptomatic form of non-Hodgkin lymphoma. Malignant clones of mature helper CD4 T cells containing large, convoluted nuclei known as Sézary cells circulate in the blood and infiltrate the skin. Clinical
We report a transfusion trial of platelets photochemically treated for pathogen inactivation using the synthetic psoralen amotosalen HCl. Patients with thrombocytopenia were randomly assigned to receive either photochemically treated (PCT) or conventional (control) platelets for up to 28 days. The
Polymorphous light eruption (PLE) is a common photodermatosis of unknown etiology. It afflicts mainly fair-skinned patients, with a preponderance of young females. There is, however, no absolute restriction as to age, sex, or race. Clinical variants include the papular, vesiculo-bullous, and
BACKGROUND
A photochemical treatment (PCT) method utilizing a novel psoralen, amotosalen HCl, with ultraviolet A illumination has been developed to inactivate viruses, bacteria, protozoa, and white blood cells in platelet (PLT) concentrates. A randomized, controlled, double-blind, Phase III trial
In the under-resourced world, transfusion to advanced oncological patients involves two major problems, i.e., (a) transfusion transmitted disease, and (b) infrastructural deficiency. Many hospitals cannot cope with the specialized requirements of immunocompromised cancer victims, for instance,
Nail involvement in psoriasis is common and can have a significant impact on quality of life. Manifestations of nail dystrophy in psoriasis include pitting, onycholysis, subungual hyperkeratosis and splinter haemorrhages. Clear evidence regarding the range of treatment options for nail psoriasis is
Adis CommentsCerus Corporation is developing a variety of pathogen-inactivation systems, based on its Helinx technology. Three of the systems include amotosalen [S 59] as the inactivation compound. Amotosalen is a light-activated, DNA-, RNA-crosslinking psoralen compound, which is used to neutralise