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

> **NCT04957641** · — · COMPLETED · sponsor: **Takeda** · enrollment: 221 (actual)

## Conditions studied

- Hereditary Angioedema

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04957641
- **Lead sponsor:** Takeda
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-04-21
- **Primary completion:** 2023-01-13
- **Final completion:** 2023-01-13
- **Target enrollment:** 221 (ACTUAL)
- **Last updated:** 2023-06-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04957641

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04957641, "A Study of the Burden of Illness and Treatment Patterns in Teenagers and Adults With Hereditary Angioedema". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04957641. Licensed CC0.

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