Clinical trial • Phase III • Haematology

Emicizumab for Von Willebrand disease type 3

Phase III trial of Emicizumab for Von Willebrand disease type 3.

Overview

Trial Therapeutic Area
Haematology
Trial Disease
Von Willebrand disease type 3
Trial Stage
Phase III
Drug Modality
Bispecific antibody
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
16-01-2025
First CTIS Authorization Date
05-05-2025

Trial design

Randomised, open-label, on-demand and/or prophylactic standard of care (soc) products used as comparators per local label. comparator products listed include wilate (500 iu and 1000 iu vwf/fviii formulations), fanhdi 500 iu, willfact 2000 iu (vwf), elocta (multiple iu strengths), novoseven (1 mg, 2 mg, 5 mg, 8 mg), voncento (various fviii/vwf combinations), haemate-p (various iu), veyvondi (650 iu, 1300 iu), feiba 50 u/ml (bypassing agent), advate (octocog alfa) as auxiliary—administered intravenously per local approved product labeling; arm b uses on-demand soc for 24 weeks then switch to emicizumab prophylaxis in extension.-controlled Phase III trial in Belgium, France, Germany and others.

Randomised
Yes
Open Label
Yes
Comparator
On-demand and/or prophylactic standard of care (SOC) products used as comparators per local label. Comparator products listed include Wilate (500 IU and 1000 IU VWF/FVIII formulations), Fanhdi 500 IU, Willfact 2000 IU (vWF), ELOCTA (multiple IU strengths), NovoSeven (1 mg, 2 mg, 5 mg, 8 mg), Voncento (various FVIII/VWF combinations), Haemate-P (various IU), Veyvondi (650 IU, 1300 IU), FEIBA 50 U/ml (bypassing agent), ADVATE (octocog alfa) as auxiliary—administered intravenously per local approved product labeling; Arm B uses on-demand SOC for 24 weeks then switch to emicizumab prophylaxis in extension.
Real World Control
Yes
Target Sample Size
32

Eligibility

Recruits 32 paediatric patients.

Vulnerable Population
Vulnerable populations are included (isVulnerablePopulationSelected = true). The study includes infants and children (Age ≥ 1 month for Arms A and B; Age ≥ 2 years for Arm C). Informed consent is required from the participant or the participant's parent/legal guardian as applicable; age-appropriate assent and authorization documents are provided (assent and authorization forms for infants/children and parent/caregiver ICFs). Multiple age-specific ICF/assent documents are listed (e.g. Infant Authorization forms, Assent Forms ages 3-6, 7-11, 12-17, parent/caregiver ICFs), indicating assent/consent handling for minors and infant authorization procedures.

Inclusion criteria

  • {"criterion_text":"- Age ≥ 2 years at the time of signing Informed Consent/Assent Form (Arm C)\n- Adequate hematological function\n- Documented exposure to on-demand and prophylactic SOC\n- For patient with childbearing potential; agreement to adhere to the contraception requirements\n- Confirmed diagnosis of Type 3 VWD, based on evaluation of VWF and FVIII levels\n- Age ≥ 1 month at the time of signing Informed Consent/Assent Form (Arms A and B)"}

Exclusion criteria

  • {"criterion_text":"- Inherited or acquired bleeding disorder other than Congenital Type 3 VWD\n- History of intracranial hemorrhage\n- Previous or current treatment for thromboembolic disease or signs of thromboembolic disease\n- Other conditions (e.g., certain autoimmune diseases) that may increase risk of bleeding or thrombosis\n- History of clinically significant hypersensitivity associated with monoclonal antibody therapies or components of the emicizumab injection"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Number of treated bleeds over time","definition_or_measurement_approach":""}

Secondary endpoints

  • {"endpoint_text":"- Number of all bleeds over time","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Number of treated spontaneous bleeds over time","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Number of treated joint bleeds over time","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence and severity of adverse events","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence and severity of thromboembolic events","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence and severity of thrombotic microangiopathy events","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence and severity of injection-site reactions","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence of adverse events leading to drug discontinuation","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence of severe hypersensitivity, anaphylaxis, or anaphylactoid reactions","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Changes from baseline in physical examination findings, vital signs, and ECG parameters","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence of laboratory abnormalities","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Trough plasma concentration of emicizumab","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Prevalence and incidence of ADAs to emicizumab","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Change from baseline in Patient-Reported Outcomes Measurement Information System-29 (PROMIS-29)","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
32
Recruitment Window Months
42
Consent Approach
Informed consent is obtained from the participant or the participant's parent/legal guardian as applicable. Age-specific assent and authorization documents are provided (assent forms for ages 3-6, 7-11, 12-17; Infant Authorization forms; parent/caregiver ICFs; PPA documents). Study documents and translations are available in multiple languages (documents and translations shown in English, French, Dutch, Spanish and Polish among others), indicating materials are provided in language-appropriate versions for participating countries.

Geography

Total Number Of Sites
14
Total Number Of Participants
47

Belgium

Earliest CTIS Part Ii Submission Date
02-04-2025
Latest Decision Or Authorization Date
03-02-2026
Processing Time Days
307
Number Of Sites
1
Number Of Participants
5

Sites

Site Name
UZ Leuven
Department Name
Thrombosis and Haemostasis (Cardiovascular diseases)
Contact Person Name
Quentin Van Thillo
Contact Person Email
quentin.vanthillo@uzleuven.be
Number Of Participants
5

France

Earliest CTIS Part Ii Submission Date
10-04-2025
Latest Decision Or Authorization Date
20-02-2026
Processing Time Days
316
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Hopital Necker Enfants Malades
Department Name
Service d'hématologie adulte
Contact Person Name
Clarisse CAZELLES
Contact Person Email
clarisse.cazelles@aphp.fr
Number Of Participants
2
Site Name
Centre Hospitalier Universitaire De Lille
Department Name
Hémostase Clinique
Contact Person Name
Sophie SUSEN
Contact Person Email
Sophie.SUSEN@chu-lille.fr
Number Of Participants
2

Germany

Earliest CTIS Part Ii Submission Date
07-04-2025
Latest Decision Or Authorization Date
04-02-2026
Processing Time Days
303
Number Of Sites
3
Number Of Participants
13

Sites

Site Name
Gerinnungszentrum Rhein-Ruhr
Department Name
Gerinnungszentrum Rhein-Ruhr
Contact Person Name
Susan Halimeh
Contact Person Email
susan.halimeh@gzrr.de
Number Of Participants
?
Site Name
Universitaetsklinikum Frankfurt AöR
Department Name
Hämophiliezentrum Med. Klinik III/Institut für Transfusionsmedizin
Contact Person Name
Wolfgang Miesbach
Contact Person Email
miesbach@em.uni-frankfurt.de
Number Of Participants
?
Site Name
Universitaetsklinikum Bonn AöR
Department Name
Institut für Experimentelle Hämatologie und Transfusionsmedizin Gebäude B 42
Contact Person Name
Johannes Oldenburg
Contact Person Email
Johannes.Oldenburg@ukbonn.de
Number Of Participants
?

Italy

Earliest CTIS Part Ii Submission Date
29-01-2025
Latest Decision Or Authorization Date
04-02-2026
Processing Time Days
371
Number Of Sites
3
Number Of Participants
6

Sites

Site Name
Azienda Ospedaliero-Universitaria Policlinico Umberto I
Department Name
Divisione di Ematologia
Contact Person Name
Cristina Santoro
Contact Person Email
santoro@bce.uniromaI.it
Number Of Participants
2
Site Name
Azienda Ospedaliero Universitaria Careggi
Department Name
Centro Malattie Emorragiche e della Coagulazione
Contact Person Name
Giancarlo Castaman
Number Of Participants
2
Site Name
Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
Department Name
S.C. Medicina Emostasi e Trombosi
Contact Person Name
Flora Peyvandi
Contact Person Email
Flora.peyvandi@unimi.it
Number Of Participants
2

Spain

Earliest CTIS Part Ii Submission Date
14-02-2025
Latest Decision Or Authorization Date
05-02-2026
Processing Time Days
356
Number Of Sites
2
Number Of Participants
7

Sites

Site Name
University Hospital Virgen Del Rocio S.L.
Department Name
Hematology
Contact Person Name
Ramiro José Núñez Vázquez
Contact Person Email
ramirojosenv@gmail.com
Number Of Participants
?
Site Name
Hospital Universitario La Paz
Department Name
Hematology
Contact Person Name
Víctor Jiménez Yuste
Contact Person Email
vjyuste@gmail.com
Number Of Participants
?

Poland

Earliest CTIS Part Ii Submission Date
22-04-2025
Latest Decision Or Authorization Date
04-02-2026
Processing Time Days
288
Number Of Sites
1
Number Of Participants
3

Sites

Site Name
Instytut Hematologii I Transfuzjologii
Department Name
Klinika Zaburzeń Hemostazy i Chorób Wewnętrznych
Contact Person Name
Jerzy Windyga
Contact Person Email
sekretariatkzh@ihit.waw.pl
Number Of Participants
3

Sweden

Earliest CTIS Part Ii Submission Date
07-04-2025
Latest Decision Or Authorization Date
04-02-2026
Processing Time Days
303
Number Of Sites
1
Number Of Participants
4

Sites

Site Name
Sahlgrenska University Hospital-Vaestra Goetalandsregionen
Department Name
Koagulationscentrum Sahlgrenska
Contact Person Name
Anna Olsson
Contact Person Email
anna.el.olsson@vgregion.se
Number Of Participants
4

Netherlands

Earliest CTIS Part Ii Submission Date
25-04-2025
Latest Decision Or Authorization Date
04-02-2026
Processing Time Days
285
Number Of Sites
1
Number Of Participants
5

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Hematologie
Contact Person Name
Frank Leebeek
Contact Person Email
f.leebeek@erasmusmc.nl
Number Of Participants
5

Sponsor

Primary sponsor

Full Name
F. Hoffmann-La Roche AG
Organisation Type
Pharmaceutical company
Country Of Registered Address
Switzerland

Contract research organisations

Name
Almac Clinical Technologies LLC
Responsibilities
IxRS Provider
Name
Eresearchtechnology Inc.
Responsibilities
Clinical Outcome Assessment (eCOA, ePRO) Provider
Name
Medpace Reference Laboratories LLC
Responsibilities
Analysis lab for PD samples
Name
Labcorp Central Laboratory Services LP
Responsibilities
Central Laboratory Provider
Name
BioAgilytix Europe GmbH
Responsibilities
Analysis lab nAB
Name
QPS Netherlands B.V.
Responsibilities
PK and ADA analysis lab

Third parties

  • {"country":"Germany","full_name":"BioAgilytix Europe GmbH","duties_or_roles":"Analysis lab nAB","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Almac Clinical Technologies LLC","duties_or_roles":"IxRS Provider","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"Clinical Outcome Assessment (eCOA, ePRO) Provider","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medpace Reference Laboratories LLC","duties_or_roles":"Analysis lab for PD samples","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"Central Laboratory Provider","organisation_type":"Pharmaceutical company"}
  • {"country":"Netherlands","full_name":"QPS Netherlands B.V.","duties_or_roles":"PK and ADA analysis lab","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Hemlibra 150 mg/mL solution for injection
Active Substance
Emicizumab
Modality
Bispecific antibody
Routes Of Administration
Subcutaneous
Route
Subcutaneous
Authorisation Status
Authorised
Investigational Product Name
Wilate 1000, 1000 IU VWF/1000 IUFVIII
Active Substance
Human coagulation factor VIII; Human von Willebrand factor
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
Wilate 500, 500 IU VWF/500 IUFVIII
Active Substance
Human coagulation factor VIII; Human von Willebrand factor
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
Fanhdi 500 IU
Active Substance
Human coagulation factor VIII
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
Willfact 2000 IU
Active Substance
Human von Willebrand factor
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
ELOCTA (multiple strengths)
Active Substance
Efmoroctocog alfa
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
NovoSeven (1 mg, 2 mg, 5 mg, 8 mg)
Active Substance
Eptacog alfa (activated)
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
Voncento (various FVIII/VWF combinations)
Active Substance
Human coagulation factor VIII; Human von Willebrand factor
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
Haemate-P (various IU)
Active Substance
Human von Willebrand factor
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous/Infusion
Route
Intravenous/Infusion
Authorisation Status
Authorised
Investigational Product Name
VEYVONDI (650 IU, 1300 IU)
Active Substance
Vonicog alfa
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised
Investigational Product Name
FEIBA 50 U/ml
Active Substance
Factor VIII inhibitor bypassing fraction (mixture)
Modality
Other
Routes Of Administration
Intravenous/Infusion
Route
Intravenous/Infusion
Authorisation Status
Authorised
Investigational Product Name
ADVATE 1500 IU (and other ADVATE strengths)
Active Substance
Octocog alfa
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Authorised

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