Overview
This is a prospective study of children <21 years of age with the goal of characterizing the PK of drugs administered per standard of care as prescribed by the treating caregiver.
Eligibility
Inclusion Criteria:
- Children (< 21 years of age) who are receiving understudied drugs of interest per standard of care as prescribed by their treating caregiver
Exclusion Criteria:
- Failure to obtain consent/assent (as indicated)