Condition
Factor VIII Deficiency clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Factor VIII Deficiency clinical trials that are recruiting, at sites in 23 countries (most in Canada (2), United States (2), Austria (1)). By phase: Phase 4 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 23Countries
Newest Factor VIII Deficiency clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Weekly efanesoctocog alfa for hemophilia A with joint synovial hypertrophy | Phase 4 | Los Angeles, California and 18 other locations | Recruiting | Apr 24, 2025 |
| Long-term observation of non-cancer blood disorders | — | Phoenix, Arizona and 75 other locations | Recruiting | May 21, 2020 |
| Registry for managing hemophilia in children across Europe | — | Graz and 38 other locations | Recruiting | Dec 1, 2016 |
All recruiting trials (3)
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Weekly efanesoctocog alfa for hemophilia A with joint synovial hypertrophy
This trial tests whether taking efanesoctocog alfa once a week for 12 months can reduce synovial hypertrophy in people aged 12 and older with moderate to severe hemophilia A.
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Long-term observation of non-cancer blood disorders
This study is tracking people with blood disorders like hemophilia and thrombosis for at least 15 years to see how their conditions change over time and gather useful information for doctors and researchers.
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Registry for managing hemophilia in children across Europe
This study is collecting information about children with hemophilia A or B to see how different factors affect their bleeding patterns and treatment outcomes across Europe.
Related topics
Quick answers
How many Factor VIII Deficiency clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 23 countries. The most sites are in Canada (2 trials), United States (2 trials), Austria (1 trial), Belgium (1 trial), Czechia (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.