Monarch Disease Ontology term MONDO_0008393 (Rubinstein-Taybi syndrome due to CREBBP mutations) is any Rubinstein-Taybi syndrome in which the cause of the disease is a mutation in the CREBBP gene. Also known as: CREBBP Rubinstein-Taybi syndrome, RSTS1, Rubinstein-Taybi syndrome 1, Rubinstein-Taybi syndrome caused by mutation in CREBBP, Rubinstein-Taybi syndrome type 1.