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Real-world assessment of the effectiveness of posaconazole for the prophylaxis and treatment of invasive fungal infections in hematological patients: A retrospective observational study.

ABSTRACT:

Abstract

The aim of the study was to analyze the efficacy of posaconazole for the prophylaxis and treatment of invasive fungal diseases (IFDs) in patients with hematological malignancies.In this retrospective observational multi-center study, 762 patients from 25 Chinese hematological centers were enrolled. Inclusion criteria were patients with hematological malignancy or they had undergone hematopoietic stem cell transplantation and received at least 1 dose of posaconazole. The primary endpoints were the observation of breakthrough rates and the clinical efficacy of posaconazole prophylaxis. The secondary endpoint was the efficacy of posaconazole for the treatment of IFDs.Of the 762 enrolled patients, 456 (59.8%) were prescribed posaconazole prophylactically while 243 (31.9%) received posaconazole as an IFD treatment (12 proven, 61 probable, 109 possible, and 61 unclassified IFD cases) for ≥7 days. The overall IFD breakthrough rate (probable cases) for the ≥4 days prophylactic treatment (n = 445) group was 1.6% (95% Cl: 0.6%-3.2%), with breakthrough rates of 2.6% for acute myeloid leukemia/myelodysplastic syndrome patients undergoing chemotherapy and 2.2% for hematopoietic stem cell transplantation patients. For primary antifungal prophylaxis, the breakthrough rate was 1.9% and for secondary antifungal prophylaxis 0%. The overall effective IFD remission rate of patients treated for ≥7 days with posaconazole was 56.0% and the effective remission rate of proven/probable/possible IFD cases was 59.3%. The effective remission rate of posaconazole as salvage therapy was 50% (95% CI: 32.4%-67.6%) including 75% (CI: 19.4%-99.4%) for Aspergillus infections.The present retrospective study confirmed posaconazole as IFD prophylaxis and medication for hematological malignancy patients undergoing various treatments in China.

SUBMITTER: Chen X

PROVIDER: S-EPMC8322488 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Invasive fungal infections (IFIs) are associated with high mortality rates and large economic burdens. Triazole prophylaxis is used for at-risk patients with hematological malignancies or stem cell transplants. We evaluated both the efficacy and the cost-effectiveness of triazole prophylaxis. A network meta-analysis (NMA) of randomized controlled trials (RCTs) evaluating fluconazole, itraconazole capsule and solution, posaconazole, and voriconazole was conducted. The outcomes of interest included the incidences of IFIs and deaths. This was coupled with a cost-effectiveness analysis from patient perspective over a lifetime horizon. Probabilities of transitions between health states were derived from the NMA. Resource use and costs were obtained from the Singapore health care institution. Data on 5,505 participants in 21 RCTs were included. Other than itraconazole capsule, all triazole antifungals were effective in reducing IFIs. Posaconazole was better than fluconazole (odds ratio [OR], 0.35 [95% confidence interval [CI], 0.16 to 0.73]) and itraconazole capsule (OR, 0.25 [95% CI, 0.06 to 0.97]), but not voriconazole (OR, 1.31 [95% CI, 0.43 to 4.01]), in preventing IFIs. Posaconazole significantly reduced all-cause deaths, compared to placebo, fluconazole, and itraconazole solution (OR, 0.49 to 0.54 [95% CI, 0.28 to 0.88]). The incremental cost-effectiveness ratio for itraconazole solution was lower than that for posaconazole (Singapore dollars [SGD] 12,546 versus SGD 26,817 per IFI avoided and SGD 5,844 versus SGD 12,423 per LY saved) for transplant patients. For leukemia patients, itraconazole solution was the dominant strategy. Voriconazole was dominated by posaconazole. All triazole antifungals except itraconazole capsule were effective in preventing IFIs. Posaconazole was more efficacious in reducing IFIs and all-cause deaths than were fluconazole and itraconazole. Both itraconazole solution and posaconazole were cost-effective in the Singapore health care setting.

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Real-world assessment of the effectiveness of posaconazole for the prophylaxis and treatment of invasive fungal infections in hematological patients: A retrospective observational study.

Abstract

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