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Port Wine Stains clinical trials

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NCT ID: NCT02317679 Completed - Port-wine Stains Clinical Trials

Treatment of Resistant Port-wine Stains With Bosentan and Pulsed Dye Laser: a Pilot Study

Start date: April 2014
Phase: Phase 2
Study type: Interventional

Pulsed dye laser (PDL) is the gold standard treatment for port-wine stains (PWS). However, the outcomes are highly variable due to the new angiogenesis occurring after laser irradiation. Studies suggest that endothelin is involved in the neoangiogenesis that occurred after treatment of port-wine stains by PDL. The main objective of this pilot clinical trial is to evaluate the effectiveness and safety of an inhibitor of endothelin orally taken, the Bosentan, following PDL treatment. Four patients with facial port-wine stain resistant to the PDL treatment will be included. The treatment by Bosentan (2 mg/kg twice daily, maximum 62,5 mg twice daily) will be given one day before the PDL irradiation and continued for 14 days. Only one test area of PWS will be treated with PDL. The primary outcome measure will be an important or complete improvement (Investigator Global Assessment 3 or 4) between treated area and non treated one, 14 days after the end of the treatment which corresponds to one month after the laser PDL session. The evaluation will been performed on standardized pictures by 2 independent physicians blinded to the region treated or not.

NCT ID: NCT01101360 Completed - Port Wine Stains Clinical Trials

Port Wine Stains Treatment Matrix RF Study

Start date: March 2010
Phase: N/A
Study type: Interventional

The purpose of this study is to evaluate the efficacy and safety of the Matrix RF for Port Wine Stains based on clinical and histological analyses.

NCT ID: NCT00573729 Completed - Port Wine Stains Clinical Trials

Pulsed Dye Laser Treatment of Port Wine Stain Birthmarks: Comparison of 577 nm Versus 595 nm Wavelengths

Start date: March 2007
Phase: Phase 1
Study type: Interventional

Port wine stain are a congenital, progressive vascular malformation of human skin. The pulsed dye laser is approved by the Food and Drug Administration for the treatment of choice. However, the degree of port wine stain blanching seen following pulsed dye laser treatment remains variable and unpredictable. If the ultimate standard required is complete lesion blanching, the average success rate is below 10%, even after undergoing numerous pulsed dye laser treatments. Moreover, less than 50% of patients achieve 50% fading of their Port wine stain in response to pulsed dye laser therapy.

NCT ID: NCT00556946 Completed - Port Wine Stains Clinical Trials

Combined Photodynamic and Pulsed Dye Laser Treatment of Port Wine Stains

PDT/PDL
Start date: August 2005
Phase: N/A
Study type: Interventional

This research study was designed to determine the effect on port wine stains (PWS) of liposomal benzoporphyrin derivative monoacid (BPD-MA) termed verteporfin by intravenous (IV) infusion for photodynamic therapy (PDT) or combined PDT and pulsed dye laser (PDL) therapy (PDT + PDL). The standard treatment for PWS is PDL alone. This lightens some PWS but many lesions are not completely removed. PDT uses a medication and light together to cause injury to a target. The medication is given and then light is directed at the desired area of treatment to achieve an effect. PDT has been used to treat some skin conditions including pre-cancers and skin cancers. Using PDT or PDT immediately followed by PDL therapy may improve PWS lightening. At this time, both PDT and PDT + PDL therapy for treatment of PWS is investigational. The type and amount of medication and light which may be used to treat PWS is not known, and is likely to be different than those used for other PDT treatments.