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Role of Sirolimus in Treatment of Microcystic , Mixed Lymphatic and Vascular Malformations

Vascular Malformations Clinical Trial

Official title:
Role of Sirolimus in Treatment of Microcystic , Mixed Lymphatic and Vascular Malformations

Clinical Trial Summary

Lympho-vascular malformations result from errors in embryologic vasculogenesis involving capillaries, veins, arteries, lymphatics, or a combination of these. Infantile haemangiomas & Vascular malformations like : Capillary malformations & Venous malformations : they increase in size and never regress on their own. & They are generally present at birth, they enlarge in response to infection, hormonal changes or trauma . Lymphatic malformations can be classified into macrocystic (cyst diameter >1cm), microcystic (cyst diameter <1 cm), or mixed , in macrocystic lymphatic malformations, surgery and sclerotherapy are effective . Surgery of microcystic lymphatic malformations remains challenging due to their infiltrative nature & Sclerotherapy is often impossible. As especially large microcystic and mixed malformations are still a therapeutic challenge, pharmaceutical treatment as sirolimus is used in last years as main line of treatment with great efficacy.

Clinical Trial Description

Lympho-vascular malformations result from errors in embryologic vasculogenesis involving capillaries, veins, arteries, lymphatics, or a combination of these. Infantile haemangiomas & Vascular malformations like : Capillary malformations & Venous malformations : they increase in size and never regress on their own. & They are generally present at birth, they enlarge in response to infection, hormonal changes or trauma . Lymphatic malformations can be classified into macrocystic (cyst diameter >1cm), microcystic (cyst diameter <1 cm), or mixed , in macrocystic lymphatic malformations, surgery and sclerotherapy are effective . Surgery of microcystic lymphatic malformations remains challenging due to their infiltrative nature & Sclerotherapy is often impossible. As especially large microcystic and mixed malformations are still a therapeutic challenge, pharmaceutical treatment as sirolimus is used in last years as main line of treatment with great efficacy. Sirolimus is a natural macrolide isolated from a bacteria strain of the Streptomyces genus & Streptomyces hygroscopicus . It was initially used as an antibiotic and antifungal agent, subsequent studies have revealed impressive cytostatic, antiproliferative, and immunosuppressive properties . Sirolimus not only prevents the growth of abnormal lymphatics but also induces the partial regression of lesions, without apparent effects on normal lymphatics . ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06160739
Study type Observational
Source Sohag University
Contact Tarek A Abd elsalam, resident
Phone 01064411709
Email tarikahmed@med.sohag.eg
Status Recruiting
Phase
Start date November 20, 2023
Completion date September 1, 2024
View Details
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