2019
DOI: 10.1002/pbc.27585
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Treatment response with sirolimus for a pediatric patient with an EBV‐associated smooth‐muscle tumor after bone marrow transplantation

Abstract: Epstein–Barr virus–associated smooth‐muscle tumors (EBV‐SMTs) are unique and rare neoplasms described in immunocompromised patients. The case describes a nine‐year‐old female with a history of acute lymphoblastic leukemia with relapse and subsequent allogeneic bone marrow transplantation who presented with multiple EBV‐SMTs of the liver. EBV utilizes the mammalian target of rapamycin (mTOR) pathway for tumor growth, and sirolimus, a mTOR inhibitor, has shown to result in a short‐term response. We now report an… Show more

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Cited by 11 publications
(8 citation statements)
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“…Sirolimus has been proposed as a therapy because of its impact on cell cycle arrest in cells with high Akt activity, including EBV-SMT cells. 10 Some have suggested transitioning the immunosuppressive regimen from traditional calcineurin inhibitors to the mechanistic target of rapamycin inhibitor sirolimus in these cases. 11 In a single-center case series, adult kidney transplant patients with EBV-SMT on a cyclosporine-based immunosuppressive regimen (n = 7) were compared with those on a sirolimus-based regimen (n = 7).…”
Section: Discussionmentioning
confidence: 99%
“…Sirolimus has been proposed as a therapy because of its impact on cell cycle arrest in cells with high Akt activity, including EBV-SMT cells. 10 Some have suggested transitioning the immunosuppressive regimen from traditional calcineurin inhibitors to the mechanistic target of rapamycin inhibitor sirolimus in these cases. 11 In a single-center case series, adult kidney transplant patients with EBV-SMT on a cyclosporine-based immunosuppressive regimen (n = 7) were compared with those on a sirolimus-based regimen (n = 7).…”
Section: Discussionmentioning
confidence: 99%
“…An activation of the AkT/mammalian target of rapamycin signaling has been described in literature 26. This may explain the effectiveness of sirolimus, a mammalian target of rapamycin inhibitor 24. The reduction of immunosuppressive treatment is used hoping that it will restore T-cell function and its ability to react against EBV.…”
Section: Review Of the Literaturementioning
confidence: 99%
“…Одним из многообещающих методов терапии ВЭБ-ГМО, в том числе не поддающихся хирургическому лечению, является применение препарата сиролимус -ингибитор сигнала mTOR/Akt [46,47]. Препарат продемонстрировал свою эффективность у больных с трансплантированной почкой и ВЭБ-ГМО: 10-летняя выживаемость пациентов, получающих сиролимус, составила 100%, тогда как больных, получающих циклоспорин, -43% [46].…”
Section: лечение гладкомышечных неоплазий ассоциированных с вирусом unclassified
“…Penney и соавт. впервые в педиатрической практике представили случай полного ответа со стороны ВЭБ-ГМО на терапию сиролимусом [47]. Группой ученых был описан пациент с острым лимфобластным лейкозом, проведение ТГСК у которого осложнилось реакцией «трансплантат против хозяина» кожи и кишечника.…”
Section: лечение гладкомышечных неоплазий ассоциированных с вирусом unclassified
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