Title {1}	The effect of dexmedetomidine on neuroprotection in pediatric cardiac surgery patients: study protocol for a prospective randomized controlled trial
Trial registration {2a and 2b}.	Clinicaltrials.gov (identifier: NCT04484922, date: 24 July 2020)
Protocol version {3}	Version 3.2 (2020.08.24)
Funding {4}	This research was supported by the institutional source (SNU 800-20200331) and the National Research Foundation of Korea funded by the Ministry of Science and ICT, Government of Korea (Grant No.: 2020R1F1A1049067). Expenses for purchasing dexmedetomidine and other consumables, laboratory tests, Bayley scales of infant development were provided.
Author details {5a}	Sang-Hwan Ji, Pyoyoon Kang, In-Sun Song, Young-Eun Jang, Ji-Hyun Lee, Jin-Tae Kim, Hee-Soo Kim and Eun-Hee Kim Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine,101 Daehak-ro, Jongno-gu, Seoul, Republic of Korea
Name and contact information for the trial sponsor {5b}	Seoul National University Hospital +82-2-2072-2623, irb@snuh.org
Role of sponsor {5c}	The trial sponsor is not involved in the study design; collection, management, analysis and interpretation of data; writing of the report; the decision to submit the report for publication, and will not have authority over any of these activities.