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A population pharmacokinetic (PopPK) analysis was conducted using data from 215 Japanese administered oral sirolimus (tablet and granule) including healthy subjects and patients with intractable vascular anomalies and other diseases. The analysis included neonates, infants, and adults, and identified covariates that influence sirolimus pharmacokinetics (PK). The final model was used to predict sirolimus trough concentrations for various dosing regimens and covariates of interest. The results showed that sirolimus trough concentrations were predicted to increase with higher levels of hemoglobin, and that the granule formulation had a 1.23-fold higher exposure than the tablet formulation. Coadministration of CYP3A4 inducers was found to decrease trough concentrations by 54 %. The PK simulations showed that administration of the granule formulation at doses of 0.02, 0.04, 0.06, and 0.08 mg/kg/day in ages <3 months, 3 to <6 months, 6 to <12 months, and ≥1 year, respectively, resulted in >70 % target attainment within the therapeutic trough concentration range (5-15 ng/mL). In conclusion, incorporation of time-varying covariates (body weight and age) into the PopPK model appropriately predicted sirolimus concentrations in Japanese subjects from infants to adult sub-populations. This PopPK model would therefore be able to provide a reference for clinical individualization of sirolimus dosing., (Copyright © 2024. Published by Elsevier Ltd.)

The objective was to prepare guidelines to perform the current optimum treatment by organizing effective and efficient treatments of hemangiomas and vascular malformations, confirming the safety, and systematizing treatment, employing evidence‐based medicine (EBM) techniques and aimed at improvement of the outcomes. Clinical questions (CQs) were decided based on the important clinical issues. For document retrieval, key words for literature searches were set for each CQ and literature published from 1980 to the end of September 2014 was searched in Pubmed, Cochrane Library, and Japana Centra Revuo Medicina (JCRM). The strengths of evidence and recommendations acquired by systematic reviews were determined following the Medical Information Network Distribution System (MINDS) technique. A total of 33 CQs were used to compile recommendations and the subjects included efficacy of resection, sclerotherapy/embolization, drug therapy, laser therapy, radiotherapy, and other conservative treatment, differences in appropriate treatment due to the location of lesions and among symptoms, appropriate timing of treatment and tests, and pathological diagnosis deciding the diagnosis. Thus, the Japanese Clinical Practice Guidelines for Vascular Anomalies 2017 have been prepared as the evidence‐based guidelines for the management of vascular anomalies. [ABSTRACT FROM AUTHOR]

The objective was to prepare guidelines to perform the current optimum treatment by organizing effective and efficient treatments of hemangiomas and vascular malformations, confirming the safety and systematizing treatment, employing evidence-based medicine techniques and aimed at improvement of the outcomes. Clinical questions (CQ) were decided based on the important clinical issues. For document retrieval, key words for published work searches were set for each CQ, and work published from 1980 to the end of September 2014 was searched in PubMed, Cochrane Library and Japana Centra Revuo Medicina databases. The strengths of evidence and recommendations acquired by systematic reviews were determined following the Medical Information Network Distribution System technique. A total of 33 CQ were used to compile recommendations and the subjects included efficacy of resection, sclerotherapy/embolization, drug therapy, laser therapy, radiotherapy and other conservative treatment, differences in appropriate treatment due to the location of lesions and among symptoms, appropriate timing of treatment and tests, and pathological diagnosis deciding the diagnosis. Thus, the Japanese Clinical Practice Guidelines for Vascular Anomalies 2017 have been prepared as the evidence-based guidelines for the management of vascular anomalies., (This article has been co-published with the permission of The Journal of Dermatology, Pediatrics International and Japanese Journal of Radiology. All rights reserved. © 2020 The Authors. The articles are identical except for minor stylistic and spelling differences in keeping with each journal’s style. Either citation can be used when citing this article.)