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Nomenclature for Cellular and Genetic Therapies: A Need for Standardization.

ABSTRACT: As the field of cellular and genetic therapies transitions from a scientific concept to a clinical reality, it has become evident that there are several conflicting or imprecise nomenclatures to describe these novel therapeutic products. The lack of uniformity and accuracy in the terminology often creates regulatory, educational, administrative, and billing quagmires. Standardization of the nomenclature for these therapeutic products is essential for creation of a harmonized regulatory and developmental framework, development of training paradigms and educational programs, equitable and rational decisions about accessibility, and consistency in the billing and coding structures used for reimbursement. Here we propose an updated framework as a foundation for categorizing these cell-based and genetically modified therapies.

SUBMITTER: Sharma A

PROVIDER: S-EPMC9729423 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Nomenclature for Cellular and Genetic Therapies: A Need for Standardization.

Sharma Akshay A Farnia Stephanie S Otegbeye Folashade F Rinkle Amy A Shah Jugna J Shah Nirali N NN Gill Saar S Maus Marcela V MV

Transplantation and cellular therapy 20220902 12

As the field of cellular and genetic therapies transitions from a scientific concept to a clinical reality, it has become evident that there are several conflicting or imprecise nomenclatures to describe these novel therapeutic products. The lack of uniformity and accuracy in the terminology often creates regulatory, educational, administrative, and billing quagmires. Standardization of the nomenclature for these therapeutic products is essential for creation of a harmonized regulatory and devel ...[more]

PMID: 36058548

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Project description:ObjectivesThis UK-wide study defines the natural history of argininosuccinic aciduria and compares long-term neurological outcomes in patients presenting clinically or treated prospectively from birth with ammonia-lowering drugs.MethodsRetrospective analysis of medical records prior to March 2013, then prospective analysis until December 2015. Blinded review of brain MRIs. ASL genotyping.ResultsFifty-six patients were defined as early-onset (n = 23) if symptomatic < 28 days of age, late-onset (n = 23) if symptomatic later, or selectively screened perinatally due to a familial proband (n = 10). The median follow-up was 12.4 years (range 0-53). Long-term outcomes in all groups showed a similar neurological phenotype including developmental delay (48/52), epilepsy (24/52), ataxia (9/52), myopathy-like symptoms (6/52) and abnormal neuroimaging (12/21). Neuroimaging findings included parenchymal infarcts (4/21), focal white matter hyperintensity (4/21), cortical or cerebral atrophy (4/21), nodular heterotopia (2/21) and reduced creatine levels in white matter (4/4). 4/21 adult patients went to mainstream school without the need of additional educational support and 1/21 lives independently. Early-onset patients had more severe involvement of visceral organs including liver, kidney and gut. All early-onset and half of late-onset patients presented with hyperammonaemia. Screened patients had normal ammonia at birth and received treatment preventing severe hyperammonaemia. ASL was sequenced (n = 19) and 20 mutations were found. Plasma argininosuccinate was higher in early-onset compared to late-onset patients.ConclusionsOur study further defines the natural history of argininosuccinic aciduria and genotype-phenotype correlations. The neurological phenotype does not correlate with the severity of hyperammonaemia and plasma argininosuccinic acid levels. The disturbance in nitric oxide synthesis may be a contributor to the neurological disease. Clinical trials providing nitric oxide to the brain merit consideration.

Dataset Information

Nomenclature for Cellular and Genetic Therapies: A Need for Standardization.

Publications

Nomenclature for Cellular and Genetic Therapies: A Need for Standardization.

Similar Datasets

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