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BMJ Open ; 12(4): e057073, 2022 04 26.
Article in English | MEDLINE | ID: covidwho-1854347


INTRODUCTION: Neonatal hypoxic-ischaemic encephalopathy (HIE) is an important illness associated with death or cerebral palsy. This study aims to assess the safety and tolerability of the allogenic human multilineage-differentiating stress-enduring cell (Muse cell)-based product (CL2020) cells in newborns with HIE. This is the first clinical trial of CL2020 cells in neonates. METHODS AND ANALYSIS: This is a single-centre, open-label, dose-escalation study enrolling up to 12 patients. Neonates with HIE who receive a course of therapeutic hypothermia therapy, which cools to a body temperature of 33°C-34°C for 72 hours, will be included in this study. A single intravenous injection of CL2020 cells will be administered between 5 and 14 days of age. Subjects in the low-dose and high-dose cohorts will receive 1.5 and 15 million cells per dose, respectively. The primary outcome is the occurrence of any adverse events within 12 weeks after administration. The main secondary outcome is the Bayley Scales of Infant and Toddler Development Third Edition score and the developmental quotient per the Kyoto Scale of Psychological Development 2001 at 78 weeks. ETHICS AND DISSEMINATION: This study will be conducted in accordance with the Declaration of Helsinki and Good Clinical Practice. The Nagoya University Hospital Institutional Review Board (No. 312005) approved this study on 13 November 2019. The results of this study will be published in peer-reviewed journal and reported in international conferences. TRIAL REGISTRATION NUMBERS: NCT04261335, jRCT2043190112.

Hypothermia, Induced , Hypoxia-Ischemia, Brain , Body Temperature , Humans , Hypothermia, Induced/methods , Hypoxia-Ischemia, Brain/therapy , Infant , Infant, Newborn , Protective Devices , Research