Research Study to Look at How Well the Drug Concizumab Works in Your Body if You Have Haemophilia With Inhibitors
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Phase
Phase 3
Status
Active, not recruiting
Study type
Interventional
Design
Randomized · None · Treatment
Enrollment
134actual
Sites
99
Countries
Algeria, Australia, Austria +26
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2019-10-21 | actual | When the study began enrolling |
| Primary completion | 2021-12-27 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2027-02-21 | estimated | The whole study's end, after follow-up |
| First posted | 2019-09-10 | actual | When this record first appeared on the registry |
| Results posted | 2025-04-27 | actual | When the sponsor posted results to the registry |
| Record updated | 2026-06-12 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Conditions
- Haemophilia A With Inhibitors
- Haemophilia B With Inhibitors
Intervention
- Drug: Concizumab
Primary outcome
what the primary-completion date above is the date OFRate of Treated Spontaneous and Traumatic Bleeding Episodes
measured On demand (arm 1): From week 0 up until start of concizumab treatment (at least 24 weeks) Concizumab (arm 2): From week 0 up until the primary analysis cut-off (at least 32 weeks)
Posted documents
hosted by the registry — we link, never re-serveStudy Protocolposted 2021-06-18 · 2.1 MB · Prot_000.pdf
Statistical Analysis Planposted 2022-07-27 · 483 KB · SAP_001.pdf
Publications
- PMID 41499759 — linked by the registry
- PMID 39099801 — linked by the registry
- PMID 37646676 — linked by the registry
Linked on the registry record. A “linked by the registry” entry is NLM's own automated PubMed match, not a claim by the sponsor that the paper reports this study.
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