Patients.
HEPATIC DISEASE
Pediatric patients (up to 22 years old) of any sex, race, and ethnicity undergoing HCT for any indication who fulfill clinical criteria for high-risk of SOS at enrollment (i.e., history of hepatic disease, conditioning with busulfan or total body irradiation, ≥2 HCTs) were eligible for enrollment. Patients were recruited across 4 centers from 2017 to 2021. A complete list of inclusion and exclusion criteria is provided in the 