Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

New monitoring methods tested for haemophilia b treatment

NCT ID NCT04590950

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study involved 15 people with severe haemophilia B who were already taking eftrenonacog-alfa, a clotting factor medicine. Researchers compared different lab tests to see which ones best measure factor IX activity in real-life conditions. The goal was to improve monitoring of how well the treatment works.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
eftrenonacog-alfa (recombinant factor IX Fc)
What this could lead to
If successful, this study could improve how doctors monitor treatment effectiveness for severe haemophilia B patients.
What could go wrong
This is a small, observational study with only 15 participants, so results may not apply broadly. It does not test a new treatment or aim to change outcomes directly.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

15 people

The number who actually took part.

Started

Dec 2019

Finished

Mar 2020

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Severe haemophilia B patients

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * severe haemophilia B patients * treated with eftrenonacog-alfa Exclusion Criteria: * any other haemostatic or replacement therapy

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Severe haemophilia B are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

hemophilia B severe hemophilia B

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Severe haemophilia B

Contacts and locations

Locations

  • Service d'hématologie biologique - Hôpital Cochin

    Paris, 75014, France