Garadacimab to prevent hereditary angioedema attacks
Official title: Garadacimab Real-world Treatment Outcomes of Effectiveness, Safety, and Quality-of-Life in Patients With HAE (GREAT Study)
Run by CSL Behring · NCT07001280 · Data updated 2026-11-12
This study will test whether garadacimab is safe and reduces attack frequency for people aged 12 and older with hereditary angioedema who are starting the medication in routine care.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 12 Years and up |
| Sex | All |
| Enrollment | 200 (estimated) |
| Sponsor | CSL Behring Industry-sponsored |
| Drugs / interventions | garadacimab |
| Locations | 22 sites (Phoenix, Arizona and 21 other locations) |
| Status | Recruiting |
| Started | July 21, 2025 |
| Main results expected | August 31, 2028 |
| Study ends | August 31, 2030 |
| Registry record updated | June 3, 2026 |
| Trial ID | NCT07001280 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
People aged 12 years or older with a confirmed diagnosis of hereditary angioedema who are newly starting garadacimab as prescribed by their physician, can provide consent (or have guardian consent), and can use a smartphone or computer for data entry are ideal candidates.
✕Probably not a fit
Patients with other forms of angioedema (such as acquired, idiopathic, or histaminergic) or those not starting garadacimab are not eligible and are unlikely to receive benefit from participation.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a multinational, multicenter prospective observational cohort following patients newly initiating garadacimab in routine clinical practice. Each participant will be followed for 48 months after their first dose, with data collected from an electronic HAE eDiary, medical records, and routine clinic visits. The study extracts 12 months of retrospective healthcare resource and safety data from records and 3 months of retrospective attack data from the eDiary. No treatments are assigned by the study; garadacimab use is determined by the treating physician per local labeling.
Why it matters
Potential benefit: If successful, this could show that garadacimab reduces attack frequency and improves quality of life for people with HAE in everyday clinical practice.
How similar studies have gone: Previous clinical trials of garadacimab have reported promising reductions in HAE attack rates, but long-term real-world safety and effectiveness data are still limited.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * 1\. Participants aged greater than or equal to (\>=) 12 years at enrollment. * 2\. Participants with clinical and/or laboratory confirmed diagnosis of HAE. * 3\. Participants newly initiating garadacimab, as prescribed according to the decision of the treating physician per routine clinical practice and in accordance with the indication per the approved local label, independent of and prior to enrollment in the study. * 4\. Willing and able to provide written informed consent and/or assent by parent or legal guardian for children less than (\<) 18 years of age (or legal age of consent in the respective countries). * 5\. Ability to use an electronic device such as a smartphone or a computer for data collection in the study. Exclusion Criteria: * 1\. Participants with a concomitant diagnosis of another form of angioedema such as idiopathic or acquired angioedema, recurrent angioedema associated with urticaria (histaminergic angioedema). * 2\. Participants participating in any ongoing interventional clinical study, including interventional studies with garadacimab. Participants in this study who later chose to enroll in any interventional clinical study (including garadacimab) will be discontinued from this study.
Where it's running
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Medical Research of Arizona
Phoenix, Arizona, United States Recruiting -
Sirven and Associates
Miami, Florida, United States Recruiting -
Asthma and Allergy Wellness Center
Saint Charles, Illinois, United States Recruiting -
Riverside Medical Group, Belleville
Belleville, New Jersey, United States Recruiting -
Kepler Universitätsklinikum - Med Campus III.
Linz, Austria Recruiting -
Providence Health Care Society
Vancouver, British Columbia, Canada Recruiting
Show 16 more locations
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Universitaetsklinikum Ulm
Ulm, Baden-Wurttemberg, Germany Recruiting -
Universitaetsklinikum Carl Gustav Carus TU Dresden
Leipzig, Saxony, Germany Recruiting -
Universitaetsklinikum Schleswig Holstein - Campus Luebeck
Hamburg, Schleswig-Holstein, Germany Recruiting -
Charité - Campus Charité Mitte
Berlin, Germany Recruiting -
Addenbrooke's Hospital
Cambridge, Cambridgeshire, United Kingdom Recruiting -
Barts Health NHS Trust
London, Greater London, United Kingdom Recruiting -
Manchester Royal Infirmary
Manchester, Greater Manchester, United Kingdom Recruiting -
Cardiff & Vale University HB
Cardiff, South Glamorgan, United Kingdom Recruiting -
Frimley Park Hospital
Frimley, Surrey, United Kingdom Recruiting -
Birmingham Heartlands Hospital
Birmingham, West Midlands, United Kingdom Recruiting -
Leeds Teaching Hospitals NHS Trust
Leeds, West Yorkshire, United Kingdom Recruiting -
Family Allergy and Asthma
Louisville, Kentucky, United States Not yet recruiting -
John Hopkins University
Baltimore, Maryland, United States Active not recruiting -
Washington University
St Louis, Missouri, United States Active not recruiting -
HZRM Haemophilie-Zentrum Rhein Main
Frankfurt am Main, Hesse, Germany Active not recruiting -
Medizinische Hochschule Hannover
Hanover, Lower Saxony, Germany Active not recruiting
Study contacts
- Study coordinator: Trial Registration Coordinator
- Email: clinicaltrials@cslbehring.com
- Phone: +1 610-878-4697
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.