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Complement C5 inhibition reverses bleomycin-induced thrombotic microangiopathy.

ABSTRACT: Whether C5 blocking may improve the outcomes of patients developing chemotherapy-induced thrombotic microangiopathy (TMA) remains elusive. Lung fibrosis is a well-known complication of bleomycin, whereas TMAs are very rare (<20 cases described). Here, we report an exceptional case of a male patient that developed acute respiratory distress syndrome and TMA following administration of bleomycin, cisplatin and etoposide . Refractoriness to plasma exchanges prompted us to use eculizumab as salvage therapy. Eculizumab led to complete remission of the TMA before Day 2. However, the patient progressed towards refractory respiratory failure, suggesting that pathophysiological mechanisms of bleomycin-induced lung fibrosis and TMA differ.

SUBMITTER: Salhi S

PROVIDER: S-EPMC8023184 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Complement C5 inhibition reverses bleomycin-induced thrombotic microangiopathy.

Salhi Sofiane S Ribes David D Faguer Stanislas S

Clinical kidney journal 20200709 4

Whether C5 blocking may improve the outcomes of patients developing chemotherapy-induced thrombotic microangiopathy (TMA) remains elusive. Lung fibrosis is a well-known complication of bleomycin, whereas TMAs are very rare (<20 cases described). Here, we report an exceptional case of a male patient that developed acute respiratory distress syndrome and TMA following administration of bleomycin, cisplatin and etoposide . Refractoriness to plasma exchanges prompted us to use eculizumab as salvage ...[more]

PMID: 33841872

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Project description:Rationale & objectivePregnancy, delivery, and neonatal outcomes in women with complement-mediated thrombotic microangiopathy (cTMA) have not been well described. A better understanding of these outcomes is necessary to provide women with competent pregnancy counseling.Study designCohort study.Setting and participantsWomen with a history of cTMA and pregnancies enrolled into the Vienna thrombotic microangiopathy cohort.ExposureNew onset or relapses of cTMA.OutcomesPregnancy, delivery, and neonatal outcomes of pregnancies in women (a) before cTMA manifestation, (b) complicated by pregnancy-associated cTMA (P-cTMA), and (c) after first manifestation of cTMA or P-cTMA.Analytical approachMixed models were used to adjust the comparison of pregnancy, delivery, and neonatal outcomes between conditions (before, with, and after cTMA) for repeated pregnancies using the mother's ID as random factor. In addition, the fixed factors, mother's age and neonate's sex, were used for adjustment. For (sex-adjusted and age-adjusted) centile outcomes, only the mother's age was used. Adjusted odds ratios were derived from a generalized linear mixed model with live birth as the outcome. Least squares means and pairwise differences between them were derived from the linear mixed models for the remaining outcomes.Results28 women reported 74 pregnancies. Despite higher rates of fetal loss before the diagnosis of P-cTMA and preterm births with P-cTMA, most of the women were able to conceive successfully. Neonatal development in all 3 conditions of pregnancies was excellent. Pregnancy and neonatal outcomes were better in women with a pregnancy after the diagnosis of cTMA.LimitationsAlthough our data set comprises a considerable number of 74 pregnancies, the effective sample size is lower because only 28 mothers with multiple pregnancies were observed. The statistical power for detecting clinically relevant effects was probably low. A recall bias for miscarriages cannot be ruled out.ConclusionsPrepregnancy counseling of women with a history of cTMA can be supportive of their desire to become pregnant.

Dataset Information

Complement C5 inhibition reverses bleomycin-induced thrombotic microangiopathy.

Publications

Complement C5 inhibition reverses bleomycin-induced thrombotic microangiopathy.

Similar Datasets

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