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Haemophilia ANCT06285071

Post-Marketing Surveillance (All Case Surveillance) on Treatment With Alhemo® in Patients With Haemophilia A or Haemophilia B With Inhibitors

An observational study of Haemophilia A and Haemophilia B, run by Novo Nordisk A/S at 11 sites in Japan.

Enrolling by invitation

Enrolling by invitation. The study team selects and invites participants, usually from an existing group of patients.

Sites and contacts
Official record
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Trial summary

The purpose of the study is to investigate the safety and effectiveness of Alhemo® in all participants under real-world clinical practice in Japan. Participants will get Alhemo® as prescribed by the study doctor. The study will last for about 2 years. Read more about this study

Who is it for?
Any age
Conditions the study is for
Haemophilia A, Haemophilia B
What is being tested?
Concizumab
How many people
23 participants
Where
11 sitesJapan
Study dates
8 Aug 2024to 30 Apr 2030
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Participants with haemophilia A or haemophilia B with inhibitors will be treated with commercially available concizumab according to routine clinical practice at the discretion of the treating physician.

Who may be able to join

  • Signed consent obtained before any study-related activities (study-related activities are any procedure related to recording of data according to the protocol)
  • The decision to initiate treatment with commercially available Alhemo® has been made by the patient/LAR and the treating physician before and independently from the decision to include the patient in this study
  • Male or female patients, regardless of age
  • Diagnosis with HAwI/HBwI

Who cannot join

  • Previous participation in this study. Participation is defined as having given informed consent in this study

Trial locations and contacts

11 sites in 1 country. Contact the study team or a site near you to ask about taking part.

11 sites in 1 country

Japan11 sites
  • Mutsu general hospital_Pediatrics

    Aomori, 035-8601

  • Kyushu university hospital_Pediatrics

    Fukuoka, 812-8582

  • Sapporo Tokushukai Hospital_Pediatrics

    Hokkaido, 004-0041

  • Kagoshima City Hospital_Pediatrics

    Kagoshima, 890-8760

  • St. Marianna University School of Medicine Hospital_Pediatrics

    Kanagawa, 216-8511

  • Hospital of the University of Occupational And Environmental Health Japan_Pediatrics

    Kitakyusyu-shi, Fukuoka, 807 8555

  • Nanbu Medical Center & Children's Medical Center_Hematology and Oncology

    Okinawa, 901-1193

  • University of the Ryukyus Hospital_Endocrinology and Metabolism, Hematology and Rheumatology

    Okinawa, 901-2725

  • Tokyo Medical University Hospital

    Tokyo, 160-0023

  • Ogikubo Hospital_Blood Coagulation

    Tokyo, 167-0035

  • Novo Nordisk Investigational Site

    Toshima City, Tokyo

Other trials in Japan

About this study

Official title: A Multi-centre, Open-label, Single-arm, Non-interventional Post-marketing Study to Investigate Safety and Clinical Parameters of Alhemo® Under Routine Clinical Practice in Japan

The purpose of the study is to investigate the safety and effectiveness of Alhemo® in all participants under real-world clinical practice in Japan. Participants will get Alhemo® as prescribed by the study doctor. The study will last for about 2 years.

Being tested
Concizumab
Medical subject headings
Hemophilia A, Hemophilia B

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ConcizumabDrug

    Also called Alhemo

    Participants will be treated with commercially available Alhemo (Concizumab) according to routine clinical practice at the discretion of the treating physician. The decision to initiate treatment with commercially available Concizumab has been made by the participant/ legally acceptable representative (LAR) and the treating physician before and independently from the decision to include the participant in this study.

Study groups in NCT06285071
Study groupRoleWhat they receive
ConcizumabParticipants with haemophilia A or haemophilia B with inhibitors will be treated with commercially available Alhemo (Concizumab) according to routine clinical practice at the discretion of the treating physician. Recruitment will be completed after 4.5 years from the launch of Concizumab. The observation period for each participant is 2 years. Total duration of this study is about 6.5 years.
Receives: Drug: Concizumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of adverse reaction (AR)

    Measured as count of ARs.

    Measured: From baseline (week 0) to end of study (week 104)

Secondary outcomes (7)
  1. Number of serious adverse reaction (SAR)

    Measured as count of SARs.

    Measured: From baseline (week 0) to end of study (week 104)

  2. Number of serious adverse event (SAE)

    Measured as count of SAEs.

    Measured: From baseline (week 0) to end of study (week 104)

  3. Number of thromboembolic adverse event (AE)

    Measured as count of thromboembolic AEs.

    Measured: From baseline (week 0) to end of study (week 104)

  4. Number of shock/anaphylaxis AE

    Measured as count of shock/anaphylaxis AEs.

    Measured: From baseline (week 0) to end of study (week 104)

  5. Number of treated spontaneous and traumatic bleeding episodes

    Measured as count of bleeding episodes.

    Measured: From baseline (week 0) to end of study (week 104)

  6. Number of treated spontaneous and traumatic target joint bleeding episodes

    Measured as count of bleeding episodes.

    Measured: From baseline (week 0) to end of study (week 104)

  7. Number of all treatment requiring bleeding episode

    Measured as count of bleeding episodes.

    Measured: From baseline (week 0) to end of study (week 104)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted29 Feb 2024
  2. Study start8 Aug 2024
  3. Primary completion30 Apr 2030 (estimated)
  4. Study completion30 Apr 2030 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
23 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06285071
Sponsor's protocol ID
NN7415-7557
Other IDs
U1111-1274-4740
Status last verified
Jun 2026
First submitted
13 Feb 2024
Last updated
15 Jun 2026
Results posted
No
Individual data sharing
Yes: According to the Novo Nordisk disclosure commitment on novonordisk-trials.com.

Questions about this trial

What is this clinical trial studying?

An observational study of Haemophilia A and Haemophilia B, run by Novo Nordisk A/S at 11 sites in Japan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: enrolling by invitation, as of the sponsor's last update on 15 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in Japan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of adverse reaction (AR) (time frame: From baseline (week 0) to end of study (week 104)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Jun 2026.

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