Active clinical trials for "Port-Wine Stain"

The purpose of the study is to improve the efficacy of pulsed dye laser treatment of port wine stain birthmarks. Involvement in the protocol will involve formal documentation of the level of treatment pain, duration of post-treatment purpura and incidence of side effects. In addition, measurements will be taken of blood substances that promote blood vessel formation/regrowth and non-invasive reflectance measurements and photographs will be taken before and after treatment. The objective of this study is to document the degree of port wine stain lightening, the incidence of side effects and the presence of angiogenic factors induced during treatment with the pulsed dye laser in association with cooling agent. This information ultimately lead to improved treatment.

A combined set of quantitative skin imaging methods will quantitatively describe the natural ontogeny and the response to standard treatments over time in patients with infantile hemangiomas.

The investigators hypothesize that there are differences between infantile hemangiomas (IH) during the proliferating and involuting phases and in response to medical treatment that can be detected by optical tomography of these hemangiomas.

Understudied drugs will be administered to children per standard of care as prescribed by their treating caregiver and only biological sample collection during the time of drug administration will be involved. A total of approximately 7000 children aged <21 years who are receiving these drugs for standard of care will be enrolled and will be followed for up a maximum of 90 days. The goal of this study is to characterize the pharmacokinetics of understudied drugs for which specific dosing recommendations and safety data are lacking. The prescribing of drugs to children will not be part of this protocol. Taking advantage of procedures done as part of routine medical care (i.e. blood draws) this study will serve as a tool to better understand drug exposure in children receiving these drugs per standard of care. The data collected through this initiative will also provide valuable pharmacokinetic and dosing information of drugs in different pediatric age groups as well as special pediatric populations (i.e. obese).

In this research study investigators want to learn more about capillary malformations which are also known as port wine stains. Investigators are asking children with capillary malformations (port wine stains) to be in the research, because investigators do not have a good idea of what to expect from the current treatments of these malformations. These malformations are treated with laser as clinically indicated and there are no standardized methods to assess improvement.

This is retrospective study. The patients treated with oral propranolol at a dose of 2.0 mg/kg per day. Growth parameters (height and weight) were measured at the beginning, the end of treatment and 2 years after treatment. The weight-for-age Z-score (WAZ), height-for-age Z-score (HAZ) and weight-for-height Z-score (WHZ) calculated by the WHO Anthro software were used to assess physical development, and the WHO Child Growth Standards were used as the standards.

Port-wine stain is a congenital, progressive vascular malformation of human skin involving post-capillary venules that occurs in an estimated 0.3% of children and can alter personality development and psychological in children.

The researcher develop non-invasive imaging modalities for assessment of port wine stain during laser therapy treatment of Port Wine Stain. The imaging modalities will be used to guide immediate retreatment of regions of persistent perfusion during the procedure.

Infantile hemangioma (IH) is the most common vascular tumor of infancy, characterized by its clinical history. Absent at birth or present under the form of a premonitory mark, they display a rapid proliferative phase starting in the first weeks of life. Then, after a plateau phase, they slowly involute. However, a subtype of IH named "abortive", "minimal or arrested growth", "reticular" or "telangiectatic" hemangioma differs from typical IH because it doesn't have a proliferative component, or only a minimal one. This subtype of hemangioma has been recently described and data are lacking regarding its proportion among infantile hemangioma and its differences with "classic" infantile hemangioma. The aim of this study is to estimate the proportion of abortive hemangioma among infantile hemangioma. Also, the investigators aim to compare the clinical characteristics of "classic" infantile hemangiomas and abortive hemangiomas. Lastly, investigators wished to study the evolution of abortive hemangioma.

This study is to compare the ability of optical biopsy. Research can use light enters the skin, collected, analyzed by the computer, and a picture created for the pathologist to conventional histologic examination compare with the pathologist looking at the piece of tissue through a microscope makes the diagnosis.