Clinical Study to Investigate the Efficacy and Safety of Wilate During Prophylaxis in Previously Treated Patients With VWD

Summary

This is a prospective, non-controlled, international, multi-center phase 3 study investigating the efficacy and safety of Wilate in previously treated adult patients with VWD, to obtain additional data on the safety and efficacy of Wilate in previously treated patients with VWD undergoing regular prophylaxis.

Timeline

Start

2020-06-18

Primary completion

2022-04-23

Completion

2022-04-23

Publications

• Background Bodo I, Eikenboom J, Montgomery R, Patzke J, Schneppenheim R, Di Paola J; von Willebrand factor Subcommittee of the Standardization and Scientific Committee of the International Society for Thrombosis and Haemostasis. Platelet-dependent von Willebrand factor activity. Nomenclature and methodology: communication from the SSC of the ISTH. J Thromb Haemost. 2015 Jul;13(7):1345-50. doi: 10.1111/jth.12964. Epub 2015 May 9. No abstract available.
• Background Sadler JE. A revised classification of von Willebrand disease. For the Subcommittee on von Willebrand Factor of the Scientific and Standardization Committee of the International Society on Thrombosis and Haemostasis. Thromb Haemost. 1994 Apr;71(4):520-5.
• Background Rodeghiero F, Castaman G, Tosetto A. How I treat von Willebrand disease. Blood. 2009 Aug 6;114(6):1158-65. doi: 10.1182/blood-2009-01-153296. Epub 2009 May 27.
• Background Castaman G, Goodeve A, Eikenboom J; European Group on von Willebrand Disease. Principles of care for the diagnosis and treatment of von Willebrand disease. Haematologica. 2013 May;98(5):667-74. doi: 10.3324/haematol.2012.077263.
• Background U. S. Department of Health and Human Services. Health Measures. Available at http://www.healthmeasures.net/explore-measurement-systems/promis.
• Background Cella D, Yount S, Rothrock N, Gershon R, Cook K, Reeve B, Ader D, Fries JF, Bruce B, Rose M; PROMIS Cooperative Group. The Patient-Reported Outcomes Measurement Information System (PROMIS): progress of an NIH Roadmap cooperative group during its first two years. Med Care. 2007 May;45(5 Suppl 1):S3-S11. doi: 10.1097/01.mlr.0000258615.42478.55.
• Background Hays RD, Spritzer KL, Schalet BD, Cella D. PROMIS(R)-29 v2.0 profile physical and mental health summary scores. Qual Life Res. 2018 Jul;27(7):1885-1891. doi: 10.1007/s11136-018-1842-3. Epub 2018 Mar 22.
• Background Maruish M. User's manual for the SF-36v2 Health Survey (3rd edition). Optum Incorporated; 2011.
• Background Saris-Baglama, R,DeRosa, M, Raczek, A, Bjorner, J,Turner-Bowker, D, Ware, J. The SF-10™ Health Survey for Children: A User's Guide. QualityMetric Incorporated; 2007.
• Background Feldman BM, Funk SM, Bergstrom BM, Zourikian N, Hilliard P, van der Net J, Engelbert R, Petrini P, van den Berg HM, Manco-Johnson MJ, Rivard GE, Abad A, Blanchette VS. Validation of a new pediatric joint scoring system from the International Hemophilia Prophylaxis Study Group: validity of the hemophilia joint health score. Arthritis Care Res (Hoboken). 2011 Feb;63(2):223-30. doi: 10.1002/acr.20353.
• Background van Galen KPM, Timmer MA, de Kleijn P, Fischer K, Foppen W, Schutgens REG, Eikenboom J, Meijer K, Cnossen MH, Fijnvandraat K, van der Bom JG, Laros-van Gorkom BAP, Leebeek FWG, Mauser-Bunschoten EP, Win Study Group OBOT. Joint assessment in von Willebrand disease. Validation of the Haemophilia Joint Health score and Haemophilia Activities List. Thromb Haemost. 2017 Aug 1;117(8):1465-1470. doi: 10.1160/TH16-12-0967. Epub 2017 May 11.
• Background Janssen CA, Scholten PC, Heintz AP. A simple visual assessment technique to discriminate between menorrhagia and normal menstrual blood loss. Obstet Gynecol. 1995 Jun;85(6):977-82. doi: 10.1016/0029-7844(95)00062-V.
• Background Higham JM, O'Brien PM, Shaw RW. Assessment of menstrual blood loss using a pictorial chart. Br J Obstet Gynaecol. 1990 Aug;97(8):734-9. doi: 10.1111/j.1471-0528.1990.tb16249.x.
• Djambas Khayat C, Dubey L, Inati A, Lissitchkov T, Novik D, Peteva E, Sidonio RF Jr, Taher AT, Vilchevska KV, Vdovin V, Boban A. Efficacy and Safety of Prophylaxis With a Plasma-Derived von Willebrand Factor/Factor VIII Concentrate (Wilate) in Patients With Type 3 von Willebrand Disease-A WIL-31 Study Sub-Analysis. Eur J Haematol. 2026 May;116(5):674-681. doi: 10.1111/ejh.70117. Epub 2026 Jan 30.
• Sidonio RF Jr, Boban A, Lissitchkov T, Nemes L, Vdovin V, Khayat CD. Individualizing dosing frequency may improve the efficacy of prophylaxis in patients with von Willebrand disease-a WIL-31 subanalysis. Res Pract Thromb Haemost. 2025 Oct 10;9(7):103221. doi: 10.1016/j.rpth.2025.103221. eCollection 2025 Oct.
• Sidonio RF Jr, Boban A, Dubey L, Inati A, Kiss C, Boda Z, Lissitchkov T, Nemes L, Novik D, Peteva E, Taher AT, Timofeeva MA, Vilchevska KV, Vdovin V, Werner S, Knaub S, Djambas Khayat C. von Willebrand factor/factor VIII concentrate (Wilate) prophylaxis in children and adults with von Willebrand disease. Blood Adv. 2024 Mar 26;8(6):1405-1414. doi: 10.1182/bloodadvances.2023011742.

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