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Regulatory considerations for paediatric drug evaluation in China.

ABSTRACT: The regulatory guidelines for the research and development of paediatric drugs are still evolving in China. The formulation of the guidelines started from learning and borrowing existing experience, and gradually changed to the exploration and improvement of local guidelines, which was not only in line with international standards but also had breakthroughs, innovations and Chinese characteristics. In this paper, the current setting of paediatric drug research and development in China and corresponding technical guidelines have been introduced from regulatory perspectives, and the accessibility of further improvement in regulatory strategies has also been discussed.

SUBMITTER: Geng Y

PROVIDER: S-EPMC10163445 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature

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Regulatory considerations for paediatric drug evaluation in China.

Geng Ying Y Li Qiang Q Sun Yan-Zhe YZ Zhang Hao H Jiang Yong-Lin YL Wang Li-Qing LQ Wu Yue-E YE Zhao Wei W Yang Zhi-Min ZM

BMJ paediatrics open 20230501 1

The regulatory guidelines for the research and development of paediatric drugs are still evolving in China. The formulation of the guidelines started from learning and borrowing existing experience, and gradually changed to the exploration and improvement of local guidelines, which was not only in line with international standards but also had breakthroughs, innovations and Chinese characteristics. In this paper, the current setting of paediatric drug research and development in China and corres ...[more]

PMID: 37130653

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Project description:Various neurological and psychiatric manifestations have been recorded in children with adrenal disorders. Based on literature review and on personal case-studies and case-series we focused on the pathophysiological and clinical implications of glucocorticoid-related, mineralcorticoid-related, and catecholamine-related paediatric nervous system involvement. Childhood Cushing syndrome can be associated with long-lasting cognitive deficits and abnormal behaviour, even after resolution of the hypercortisolism. Exposure to excessive replacement of exogenous glucocorticoids in the paediatric age group (e.g., during treatments for adrenal insufficiency) has been reported with neurological and magnetic resonance imaging (MRI) abnormalities (e.g., delayed myelination and brain atrophy) due to potential corticosteroid-related myelin damage in the developing brain and the possible impairment of limbic system ontogenesis. Idiopathic intracranial hypertension (IIH), a disorder of unclear pathophysiology characterised by increased cerebrospinal fluid (CSF) pressure, has been described in children with hypercortisolism, adrenal insufficiency, and hyperaldosteronism, reflecting the potential underlying involvement of the adrenal-brain axis in the regulation of CSF pressure homeostasis. Arterial hypertension caused by paediatric adenomas or tumours of the adrenal cortex or medulla has been associated with various hypertension-related neurological manifestations. The development and maturation of the central nervous system (CNS) through childhood is tightly regulated by intrinsic, paracrine, endocrine, and external modulators, and perturbations in any of these factors, including those related to adrenal hormone imbalance, could result in consequences that affect the structure and function of the paediatric brain. Animal experiments and clinical studies demonstrated that the developing (i.e., paediatric) CNS seems to be particularly vulnerable to alterations induced by adrenal disorders and/or supraphysiological doses of corticosteroids. Physicians should be aware of potential neurological manifestations in children with adrenal dysfunction to achieve better prevention and timely diagnosis and treatment of these disorders. Further studies are needed to explore the potential neurological, cognitive, and psychiatric long-term consequences of high doses of prolonged corticosteroid administration in childhood.

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Regulatory considerations for paediatric drug evaluation in China.

Publications

Regulatory considerations for paediatric drug evaluation in China.

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