The Castleman Disease Collaborative Network (CDCN)
https://cdcn.org
National Institutes of Health, Genetic and Rare Disease Information Center:
Multicentric Castleman disease:
https://rarediseases.info.nih.gov/diseases/9644/multicentric-castleman-disease
European Medicines Agency, SYLVANT® overview and product information:
https://www.ema.europa.eu/en/medicines/human/EPAR/sylvant
EUSA Pharma, including local contact details for medical information:
https://www.eusapharma.com/