Clinical trial Recruiting at 2 sites Observational Men only

Observing treatment approaches for Hemophilia A patients with inhibitors

Official title: MOdern Treatment of Inhibitor-PositiVe PATiEnts With Haemophilia A - An International Observational Study

Run by Emory University · NCT04023019 · Data updated 2026-11-12

This study looks at different treatment methods for men with Hemophilia A who have developed inhibitors to see how well they work and how safe they are over five years.

More Hemophilia A trials

Quick facts

Study typeObservational
SexMen only
Enrollment120 (estimated)
SponsorEmory University
Academic / other
Drugs / interventionsemicizumab
Locations2 sites (Atlanta, Georgia and 1 other locations)
StatusRecruiting
StartedMarch 17, 2020
Main results expectedDecember 2028
Study endsJune 2029
Registry record updatedSeptember 23, 2026
Trial IDNCT04023019 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include male patients with Hemophilia A who have a historical inhibitor titer of 0.6 BU/mL or higher.

Probably not a fit

Patients with other coagulation disorders or those lacking detailed treatment documentation will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on male patients with Hemophilia A who have developed inhibitors to factor VIII. It aims to document various management strategies, including immune tolerance induction and the use of bypassing agents. Participants will be categorized into treatment groups based on their current therapies and may switch groups if their treatment changes. The study will follow participants for up to five years to evaluate the efficacy and safety of these approaches.

Why it matters

Potential benefit: If successful, this study could improve treatment strategies for Hemophilia A patients with inhibitors, potentially enhancing their quality of life.

How similar studies have gone: Previous studies on immune tolerance induction have shown promising results, indicating that this approach is well-established in the field.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male persons with haemophilia A, of any severity, who have a historical inhibitor titer ≥ 0.6 BU/mL, including those who have failed previous immune tolerance induction (ITI) attempt(s)
* Persons undergoing ITI with Nuwiq, octanate, or wilateor undergoing ITI with Nuwiq®, octanate® or wilate® and receiving prophylactic therapy with emicizumab, activated prothrombin complex concentrate (aPCC), or activated recombinant factor VII (rFVIIa)
* Participants or participants' parent(s)/legal guardian(s) must be capable of giving signed informed consent and be able to understand the trial documents

Exclusion Criteria:

* Participants are excluded from the trial if any coagulation disorder other than haemophilia A is diagnosed
* Partly retrospective patients will be excluded if detailed documentation on treatment, all bleeding episodes, inhibitor titers, and FVIII levels is not available for the retrospective period

Where it's running

  • Arthur M. Blank Hospital
    Atlanta, Georgia, United States
    Recruiting
  • HZRM Hämophilie-Zentrum Rhein Main
    Mörfelden-Walldorf, Germany
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.