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New hope for hemophilia a patients with inhibitors: PCC trial targets bleeding episodes

NCT ID NCT07406139

Disease control Sponsor: Institute of Hematology & Blood Diseases Hospital, China Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a medicine called prothrombin complex concentrate (PCC) to stop bleeding episodes in people with hemophilia A who have developed inhibitors (antibodies that block standard treatment). Thirty participants aged 12 to 65 will receive PCC on-demand during bleeding, with doses adjusted based on bleeding type. The goal is to see how well and safely PCC controls bleeding within 24 hours.

What this could mean

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

Active substance
prothrombin complex concentrate (PCC)
What this could lead to
If successful, this could provide a reliable on-demand treatment option to stop bleeding episodes in people with hemophilia A who have inhibitors.
What could go wrong
This is a small, early-phase exploratory study with only 30 participants, so results may not apply to everyone. There is also a risk that PCC may not control bleeding effectively in all cases.

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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

Ages

12 to 65 years

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: 1. Diagnosed with hemophilia A with inhibitors. For high-responding patients (those who have previously had an inhibitor titer \>5 BU), the inhibitor titer at enrollment must be \>0.6 BU; 2. Age between 12 and 65 years; 3. At least three joint bleeding episodes within the past six months; 4. Signed informed consent form. Exclusion Criteria: 1. Presence of other congenital or acquired bleeding disorders; 2. Liver function tests (ALT, AST) \>2.5 times the upper limit of normal, or renal function tests (BUN, Cr) \>1.5 times the upper limit of normal; 3. Currently receiving immune tolerance induction (ITI) therapy with an inhibitor titer \<5 BU; 4. History of thrombotic events; 5. Known history of drug allergy, asthma, urticaria, or other allergic conditions; 6. Deemed unsuitable for study participation by the investigator.

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Conditions

The condition(s) this trial relates to.

hemophilia hemophilia A

As listed by the trial registrant

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

Hemophilia Inhibitors

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Institute of haematology and Blood diseases hospital

    RECRUITING

    Tianjin, Tianjin Municipality, 300020, China

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