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Rifaximin use favoured micafungin-resistant Candida spp. infections in recipients of allogeneic hematopoietic cell transplantation.

ABSTRACT: Damage to gut mucosa following conditioning regimens may favour bacterial infections that can trigger graft versus host disease (GvHD) in patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT). Rifaximin, an oral and non-absorbable antibiotic, has been recently proposed as effective prophylaxis to reduce bacterial infections in the gut and consequently acute GvHD in this setting. The present study evaluated safety and outcomes of HSCT patients that were treated with rifaximin prophylaxis at Perugia University Hospital. Rifaximin prophylaxis was introduced as standard of care in HSCT patients in May 2018. We retrieved data from 118 consecutive transplants, and we compared the outcomes of rifaximin-treated patients with historical controls that did not receive antibiotic prophylaxis. While incidences of neutropenic fever, documented bacterial infections, and aGvHD were similar in the two groups, we found an increased frequency of invasive candidiasis and clinically relevant Candida spp. infections in rifaximin-treated patients (5 patients vs 1 patient, 25% [± 0.99%] vs 1% [± 0.01%], p < .0001). Three rifaximin-treated patients experienced life-threating candidemia (2 C. krusei, 1 C. orthopsilosis). Rifaximin was the only factor that increased the risk of Candida spp. infections. Rifaximin could have contributed to microbiome disruption which favoured an outbreak of life-threatening Candida infections. This important complication forced us to halt its use. Larger, prospective studies are needed to assess the impact of rifaximin prophylaxis on incidence of bacterial infections, aGvHD, and survival of HSCT patients.

SUBMITTER: Marzuttini F

PROVIDER: S-EPMC8357665 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Rifaximin use favoured micafungin-resistant Candida spp. infections in recipients of allogeneic hematopoietic cell transplantation.

Marzuttini Francesca F Mancusi Antonella A Bonato Samanta S Griselli Mario M Tricarico Sara S Casarola Genni G Paradiso Matteo M Ruggeri Loredana L Terenzi Adelmo A Merluzzi Mara M Prigitano Anna A Tortorano Anna Maria AM Pitzurra Lucia L Falini Brunangelo B Carotti Alessandra A Velardi Andrea A Pierini Antonio A

Annals of hematology 20210628 9

Damage to gut mucosa following conditioning regimens may favour bacterial infections that can trigger graft versus host disease (GvHD) in patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT). Rifaximin, an oral and non-absorbable antibiotic, has been recently proposed as effective prophylaxis to reduce bacterial infections in the gut and consequently acute GvHD in this setting. The present study evaluated safety and outcomes of HSCT patients that were treated with rifaxi ...[more]

PMID: 34180023

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Project description:Hematopoietic cell transplantation (HCT) is physically and psychologically challenging, potentially exposing patients to quality-of-life (QoL) impairments. Adolescent and young adults (AYAs, aged 15 to 39 years) are a vulnerable cohort facing multiple hurdles due to dynamic changes in several aspects of their lives. The AYA population may be particularly prone to QoL issues during HCT. We hypothesized that due to the unique psychosocial challenges faced by AYAs, they would have an inferior quality of life. We studied QoL differences between AYA (aged 15 to 39 years) and older adult (aged 40 to 60 years) allogeneic HCT recipients before and after HCT. Additionally, we determined if pre-HCT QoL for AYA transplant recipients changed over time. QoL data were collected prospectively before and after transplant on 431 recipients aged 15 to 60 years from June 2003 through December 2017 using the Functional Assessment of Cancer Therapy-Bone Marrow Transplantation (FACT-BMT) questionnaire. Repeated-measures analysis of variance was used to assess differences among age groups. Pearson correlation (r) was used to determine if baseline QoL had improved after HCT from June 2003 through December 2017 in the AYA cohort. QoL did not differ among younger AYAs, older AYAs, or older adults at any time in the first year after allogeneic HCT. At 1 year post-HCT, total FACT-BMT score and all FACT-BMT domains except physical well-being improved from pre-HCT in all age groups. From 2003 to 2017, AYA allogeneic recipients experienced modest improvement in additional concerns (r = 0.26, P = .003), trial outcome index (r = 0.23, P = .008), and total FACT-BMT score (r = 0.19, P = .031), although no improvements were seen in physical, social, emotional, or functional well-being. Contrary to our hypothesis, we found that QoL in the AYA population is similar to that of older adults before and after HCT. Improvements in QoL of AYA allogeneic patients since 2003 were driven by the additional concerns domain, which addresses multiple psychosocial aspects such as vocation, hobbies, and acceptance of illness. Continued efforts to tailor treatment and support for AYA HCT recipients is critical to improving QoL outcomes.

Dataset Information

Rifaximin use favoured micafungin-resistant Candida spp. infections in recipients of allogeneic hematopoietic cell transplantation.

Publications

Rifaximin use favoured micafungin-resistant Candida spp. infections in recipients of allogeneic hematopoietic cell transplantation.

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