Clinical Research Directory

Acetylsalicylic Acid Versus Placebo as an add-on Treatment to Local Non-steroidal Anti-inflammatory Drug for the Management of Thrombotic Episodes in Superficial Venous Malformations in Children Aged 6 to 17 Years.

Sponsor: University Hospital, Tours

Summary

Superficial venous malformations (SVMs) are rare congenital anomalies that present as bluish masses. These masses may be focal, with limited skin involvement, or segmental, with more extensive involvement. They may be associated with syndromic conditions such as blue rubber nevus syndrome. SVMs are characterised by a progressive worsening course, with repeated episodes of superficial venous thrombosis occurring. These episodes become more frequent over time, causing acute, intense and often highly debilitating pain. To limit progression and in cases of functional impairment, long-term treatments may be offered. These include venous compression, targeted therapies such as mTOR inhibitors, and, where possible, surgical treatment or sclerotherapy. However, the management of intra-SVM superficial venous thrombosis is not currently standardised, especially in the pediatric population. This study aims to evaluate the benefits of Acetylsalicylic acid (ASA) as an add-on treatment to local non-steroidal anti-inflammatory drug for the management of thrombotic episodes in superficial venous malformations in children aged 6 to 17 years.

Official title: Acetylsalicylic Acid Versus Placebo as an add-on Treatment to Local Non-steroidal Anti-inflammatory Drug for the Management of Thrombotic Episodes in Superficial Venous Malformations in Children Aged 6 to 17 Years: a Controlled Randomised, Double-blind, Cross-over, Multicenter Trial

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