A Study of the Burden of Illness and Treatment Patterns in Teenagers and Adults With Hereditary Angioedema

Inclusion Criteria

• •Participant aged \>= 12 years at the time of the last documented HAE attack in the eligibility period.
• •Physician-confirmed diagnosis (or confirmation in medical records) of HAE type I or type II.
• •Participant had at least one documented HAE attack during the eligibility period.
• •Participant is not adequately or sub-optimally controlled according to treating physician.
• •Participant (or parent/legal guardian) is willing and able to comply with the study requirements and provides informed consent or assent.