PRO-CTCAE V1.0 - Headache Frequency

**Semantic type:** Intellectual Product

**Definition:** Patient-Reported Outcomes Version of the Common Terminology Criteria for Adverse Events Item Library Version 1.0 (PRO-CTCAE V1.0) In the last 7 days, how often did you have a headache?

**Synonyms:** - PT01-Headache Frequency - PT01-Headache Frequency - PT01049A