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rVWF

Phase 3

Von Willebrand Disease (VWD) | Monoclonal antibody | Hematology |Takeda Pharmaceutical Company Limited|Trials Updated: Sep 9, 2026

rVWF development status

Highest phase Phase 3
Registered trials 6 across 2 sponsors since Oct 2016

rVWF target and mechanism

ModalityMonoclonal antibody

Also known as Vonvendi, Vonicog alfa, TAK-577, von Willebrand factor (Recombinant), BAX 111, SHP677, Recombinant von Willebrand factor (rVWF)

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMC
Total Trials4
Total Enrollment129

FDA Designations

No designations recorded

rVWF clinical trials

rVWF · 4 trials · 2 indications

Phase 3 4
NCT07129343A Study of Recombinant Von Willebrand Factor (rVWF) in Chinese Participants With Von Willebrand Disease (vWD)Von Willebrand Disease (VWD)
RECRUITING20 Analytics
NCT05582993A Study of Vonicog Alfa (rVWF) in Children With Severe Von Willebrand Disease (vWD)Von Willebrand Disease (VWD)
RECRUITING24 Analytics
NCT03879135A Study of Recombinant Von Willebrand Factor (rVWF) in Pediatric and Adult Participants With Severe Von Willebrand Disease (VWD)Von Willebrand Disease (VWD)
COMPLETED38 Analytics
NCT02932618A Study of Recombinant Von Willebrand Factor (rVWF) With or Without ADVATE in Children With Severe Von Willebrand Disease (VWD)Von Willebrand Disease
COMPLETED47 Analytics
PHASE3RECRUITING
A Study of Recombinant Von Willebrand Factor (rVWF) in Chinese Participants With Von Willebrand Disease (vWD)
Von Willebrand Disease (VWD)Unlock trial analytics
PHASE3RECRUITING
A Study of Vonicog Alfa (rVWF) in Children With Severe Von Willebrand Disease (vWD)
Von Willebrand Disease (VWD)Unlock trial analytics
PHASE3COMPLETED
A Study of Recombinant Von Willebrand Factor (rVWF) in Pediatric and Adult Participants With Severe Von Willebrand Disease (VWD)
Von Willebrand Disease (VWD)Unlock trial analytics
PHASE3COMPLETED
A Study of Recombinant Von Willebrand Factor (rVWF) With or Without ADVATE in Children With Severe Von Willebrand Disease (VWD)
Von Willebrand DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Up to 14 months

A TEAE is defined as an adverse event with an onset that occurs after receiving study drug. An SAE is any untoward medical occurrence that at any dose: results in death, life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent, significant disability/incapacity, a congenital abnormality/birth defect, an important medical event in the opinion of the healthcare provider, may jeopardize the participant or may require intervention to prevent one of the other outcomes listed in the definition above. TEAEs consist of both serious and non-serious adverse events.

Number of Participants With TEAEs by Severity
Up to 14 months

Number of participants with severity of TEAE will be reported.

Number of Participants With TEAEs and SAEs by Causality
Up to 14 months

Number of participants with causality related TEAEs and SAEs will be reported.

Number of Participants With Thromboembolic Events and Severe Hypersensitivity Reactions
Up to 14 months

Number of participants with thromboembolic events and severe hypersensitivity reactions will be reported.

Number of Participants Who Develop Neutralizing (Inhibitory) Antibodies to VWF and FVIII
Up to 14 months

Number of participants who develop neutralizing antibodies to VWF and FVIII will be reported.

Number of Participants Who Develop Binding Antibodies to VWF and FVIII
Up to 14 months

Number of participants who develop total binding antibodies to VWF and FVIII will be reported.

Number of Participants With Clinically Significant Abnormalities in Laboratory Parameters
Up to 14 months

Number of participants with clinically significant abnormalities from baseline values in laboratory parameters per investigator assessment will be reported.

Number of Participants With Clinically Significant Abnormalities in 12-lead Electrocardiogram (ECG)
Up to 14 months

Number of participants with clinically significant abnormalities from baseline values in ECG per investigator assessment will be reported.

Number of Participants With Clinically Significant Abnormalities in Vital Signs Parameters
Up to 14 months

Number of participants with clinically significant abnormalities from baseline values in vital sign parameters per investigator assessment will be reported.

Annualized Bleeding Rate (ABR) for Spontaneous or Traumatic Bleeding Episodes as Assessed by Investigator During Prophylactic Treatment With Vonicog Alfa (rVWF)
12 months

ABR during the study compared to historical ABR for each participant for both spontaneous and traumatic bleeding episodes as classified by the investigator during prophylactic treatment with vonicog alfa (rVWF) will be reported.

Spontaneous Annualized Bleeding Rate (sABR)
Up to 12 months

sABR was derived as \[number of treated bleeds\] / \[duration in years\]. Bleeds with unknown causality were considered as spontaneous. Bleeds were categorized based on the investigator assessment of cause. sABR during the first 12 months of prophylactic treatment with rVWF (vonicog alfa) was reported.

Hemostatic Efficacy
Within 24 hours after the last infusion of study drug following the onset of the bleeding episode (if/when the severity and/or duration of the bleeding requires the infusion of the study drug)

Treatment success for vonicog alfa-treated nonsurgical bleeding episodes (using a 4-point scale: Excellent, Good, Moderate, None).

Secondary Endpoints

Number of Infusions of VONVENDI With or Without ADVATE per Bleeding Episode
Up to 12 months
Number of Infusions of ADVATE per Bleeding Episode
Up to 12 months
Weight-adjusted Consumption of VONVENDI and ADVATE per Bleeding Episode
Up to 12 months
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
All Participants With VWDEXPERIMENTALParticipants will receive a single intravenous (IV) dose of VONVENDI at baseline PK assessment. During the 12-month on-demand (OD) treatment period, any bleeding episodes requiring replacement therapy with VWF will be treated with VONVENDI with or without ADVATE. Participants may also receive VONVENDI with or without ADVATE intravenous infusions, when indicated deemed necessary for perioperative bleeding management \[major, minor and oral surgery\]. Participants will receive initial dose of VONVENDI of 40 to 80 IU/kg of body weight.
Cohort 1: Participants With Age >=12 to <18 yearsEXPERIMENTALParticipants with age greater than or equal to (\>=) 12 to less than (\<) 18 years who have received on-demand (OD) therapy or prophylactic treatment with a pdVWF product will receive vonicog alfa (rVWF) with an initial dose selected within the range of 40 to 60 international units per kilogram (IU/kg) vonicog alfa (rVWF), intravenous infusions, twice-weekly for 12 months. Participants may receive vonicog alfa (rVWF) with or without ADVATE intravenous infusions, when indicated (as deemed necessary for breakthrough bleeding episode treatment and perioperative bleeding management).
Cohort 2: Participants With Age >=6 to <12 yearsEXPERIMENTALParticipants with age \>=6 to \<12 years who have received OD therapy of VWF product or prophylactic treatment with a pdVWF product will receive vonicog alfa (rVWF) with an initial dose selected within the range of 40 to 60 IU/kg vonicog alfa (rVWF), intravenous infusions, twice-weekly for 12 months. Participants may receive vonicog alfa (rVWF) with or without ADVATE intravenous infusions, when indicated (as deemed necessary for breakthrough bleeding episode treatment and perioperative bleeding management).
Cohort 3: Participants With Age <6 yearsEXPERIMENTALParticipants with age \<6 years who have received OD therapy of VWF product or prophylactic treatment with a pdVWF product will receive vonicog alfa (rVWF) with an initial dose selected within the range of 40 to 60 IU/kg vonicog alfa (rVWF), intravenous infusions, twice-weekly for 12 months. Participants may receive vonicog alfa (rVWF) with or without ADVATE intravenous infusions, when indicated (as deemed necessary for breakthrough bleeding episode treatment and perioperative bleeding management).
On-DemandEXPERIMENTALParticipants will receive recombinant von Willebrand factor (rVWF) (with or without ADVATE).
ProphylaxisEXPERIMENTALParticipants will receive recombinant von Willebrand factor (rVWF).
On-demand TreatmentEXPERIMENTALParticipants will receive vonicog alfa (recombinant von Willebrand factor \[rVWF\]) treatment for non-surgical bleeding episodes over a 12 to 18-month period.
Elective SurgeryEXPERIMENTAL12-24 hours prior to surgery and within 3 hours of surgery. Minor surgery: infuse every 12-24 hours for at least 48 hours based on post-operative dosing. Oral Surgery: infuse at least once within first 8-12 hours post-surgery based on post-operative dosing. Major Surgery: infuse every 12-24 hours for at least first 96 hours post-surgery based on post-operative dosing.
Emergency SurgeryEXPERIMENTALWithin 3 hours prior to surgery. Minor surgery: infuse every 12-24 hours for at least 48 hours based on post-operative dosing. Oral Surgery: infuse at least once within first 8-12 hours post-surgery based on post-operative dosing. Major Surgery: infuse every 12-24 hours for at least first 96 hours post-surgery based on post-operative dosing.

Interventions

NameTypeDescription
VONVENDIBIOLOGICALVONVENDI is administered by intravenous injection.
ADVATEBIOLOGICALADVATE is administered by intravenous injection.
Vonicog AlfaBIOLOGICALVonicog Alfa administered by intravenous injection.
rVWFBIOLOGICALRecombinant von Willebrand factor
rFVIIIBIOLOGICALRecombinant Factor VIII
Antihemophilic Factor (Recombinant)BIOLOGICALPackaged in single boxes with 2 glass vials, with one vial containing the lyophilized ADVATE and the second vial containing the diluent.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria 1. Participant must voluntarily sign an institutional review board (IRB)/independent ethics committee-approved written informed consent form after all relevant aspects of the study have been explained and discussed with the participant. 2. Participant has a documented diagnosis o...

Countries:ChinaUnited StatesFranceIrelandItalyJapanUnited KingdomAustriaGermanyNetherlandsRussiaSpainTurkey (Türkiye)BelgiumCzechiaUkraine
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Competitive Landscape -Von Willebrand Disease 12 trials (matched to "Von Willebrand Disease (VWD)")

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Recent Changes (Last 90 Days)

LOWSep 9, 2026NCT05582993lastUpdatePostDate: changed
LOWSep 9, 2026NCT05582993lastUpdatePostDate: changed

Frequently asked questions about rVWF

What is rVWF used for?

rVWF is a recombinant von Willebrand factor being studied for the treatment of Von Willebrand Disease (VWD), a bleeding disorder. It is intended for use in pediatric and adult patients with severe VWD. The drug is currently in Phase 3 clinical development and is not yet approved.

Who makes rVWF?

rVWF is being developed by Takeda Pharmaceutical Company Limited, which trades under the ticker TAK. The company is conducting clinical trials to evaluate the safety and efficacy of rVWF in patients with severe Von Willebrand Disease.

What phase is rVWF in?

rVWF is in Phase 3 clinical development. A Phase 3 study has been completed, but the drug remains investigational and has not received regulatory approval. It is being studied for the treatment of severe Von Willebrand Disease in pediatric and adult patients.

What clinical trials is rVWF in?

rVWF has one completed Phase 3 clinical trial, identified as NCT03879135. This study evaluated rVWF in pediatric and adult participants with severe Von Willebrand Disease. The trial enrolled 38 participants and was conducted in multiple countries, including the United States, Austria, France, Germany, Italy, Netherlands, Russia, Spain, and Turkey.

Is rVWF the same as recombinant von Willebrand factor?

Yes, rVWF is the abbreviation for recombinant von Willebrand factor. It is a laboratory-made version of the von Willebrand factor protein, which is deficient or defective in people with Von Willebrand Disease. The drug is being developed to replace this missing protein and help control bleeding.