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Clinical application of whole genome sequencing to inform treatment for multi-drug resistant tuberculosis cases

ABSTRACT: Clinical application of whole genome sequencing to inform treatment for multi-drug resistant tuberculosis cases

PROVIDER: PRJEB6576 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR553412.fastq.gz	Fastqsanger.gz
	ERR553413.fastq.gz	Fastqsanger.gz
	ERR553414.fastq.gz	Fastqsanger.gz
	ERR553415.fastq.gz	Fastqsanger.gz
	ERR553416.fastq.gz	Fastqsanger.gz

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Project description:Background and objectivesChildren with multi-drug resistant idiopathic nephrotic syndrome (MDR-INS) usually progress to end-stage kidney disease with a consistent risk of disease recurrence after transplantation. New therapeutic options are needed for these patients. Mesenchymal stromal cells (MSCs) are multipotential non-hematopoietic cells with several immunomodulatory properties and growing clinical applications. Cord blood-derived MSC have peculiar anti-inflammatory and immunosuppressive properties. We aimed at assessing safety and efficacy of cord-blood-derived MSCs (CB-MSCs) in children with MDR-INS.Design, setting, participantsProspective, open-label, single arm phase I-II pilot study. Pediatric patients with MDR-INS, resistant to at least two lines of therapy, were enrolled. Allogenic CB-MSCs were administered intravenously on days 0, 14, and 21 at a dose of 1.5 × 106 cells/kg. Patients were followed for at least 12 months. The primary outcomes were safety and toxicity. The secondary outcome was remission at 12 months evaluated by urinary protein/urinary creatinine ratio (uPr/uCr). Circulating regulatory T cells (Tregs) were monitored.ResultsEleven pediatric patients with MDR-INS (10 females, median age 13 years) resistant to a median of 3 previous lines of therapy were enrolled. All patients completed the CB-MSC infusion schedule. No patient experienced any infusion-related adverse event or toxicity. Nine patients were assessable for efficacy. At the 12 months follow-up after the treatment, the median uPr/uCr did not change significantly from baseline (8.13 vs. 9.07; p = 0.98), while 3 patients were in partial or complete remission. A lower baseline uPr/uCr was a predictor of remission (2.55 vs. 8.74; p = 0.0238). Tregs count was not associated with CB-MSCs therapy.ConclusionsCB-MSCs are safe and may have a role in the immunosuppressive therapy of pediatric patients with MDR-INS. This preliminary experience paves the way toward further phase II studies addressing MSC efficacy in immune-mediated kidney diseases.

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Clinical application of whole genome sequencing to inform treatment for multi-drug resistant tuberculosis cases

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