Emicizumab in Patients With Acquired Hemophilia A

Summary

This is a phase II multicenter open-label, single-arm prospective study to evaluate the efficacy of prophylactic emicizumab administered on a scheduled basis to prevent bleeds in patients with acquired hemophilia A (AHA).

Timeline

Start

2022-08-31

Primary completion

2026-07

Completion

2026-12

Publications

• Background Franchini M, Gandini G, Di Paolantonio T, Mariani G. Acquired hemophilia A: a concise review. Am J Hematol. 2005 Sep;80(1):55-63. doi: 10.1002/ajh.20390.
• Background Kruse-Jarres R, Kempton CL, Baudo F, Collins PW, Knoebl P, Leissinger CA, Tiede A, Kessler CM. Acquired hemophilia A: Updated review of evidence and treatment guidance. Am J Hematol. 2017 Jul;92(7):695-705. doi: 10.1002/ajh.24777. Epub 2017 Jun 5.
• Background Kessler CM, Knobl P. Acquired haemophilia: an overview for clinical practice. Eur J Haematol. 2015 Dec;95 Suppl 81:36-44. doi: 10.1111/ejh.12689.
• Background Tiede A, Amano K, Ma A, Arkhammar P, El Fegoun SB, Rosholm A, Seremetis S, Baudo F. The use of recombinant activated factor VII in patients with acquired haemophilia. Blood Rev. 2015 Jun;29 Suppl 1:S19-25. doi: 10.1016/S0268-960X(15)30004-7.
• Background Sallah S. Treatment of acquired haemophilia with factor eight inhibitor bypassing activity. Haemophilia. 2004 Mar;10(2):169-73. doi: 10.1046/j.1365-2516.2003.00856.x.
• Background Kruse-Jarres R, St-Louis J, Greist A, Shapiro A, Smith H, Chowdary P, Drebes A, Gomperts E, Bourgeois C, Mo M, Novack A, Farin H, Ewenstein B. Efficacy and safety of OBI-1, an antihaemophilic factor VIII (recombinant), porcine sequence, in subjects with acquired haemophilia A. Haemophilia. 2015 Mar;21(2):162-170. doi: 10.1111/hae.12627. Epub 2015 Jan 27.
• Background Tiede A, Scharf RE, Dobbelstein C, Werwitzke S. Management of acquired haemophilia A. Hamostaseologie. 2015;35(4):311-8. doi: 10.5482/HAMO-14-11-0064. Epub 2015 Jan 7.
• Background Tiede A, Klamroth R, Scharf RE, Trappe RU, Holstein K, Huth-Kuhne A, Gottstein S, Geisen U, Schenk J, Scholz U, Schilling K, Neumeister P, Miesbach W, Manner D, Greil R, von Auer C, Krause M, Leimkuhler K, Kalus U, Blumtritt JM, Werwitzke S, Budde E, Koch A, Knobl P. Prognostic factors for remission of and survival in acquired hemophilia A (AHA): results from the GTH-AH 01/2010 study. Blood. 2015 Feb 12;125(7):1091-7. doi: 10.1182/blood-2014-07-587089. Epub 2014 Dec 18.
• Background Knoebl P, Thaler J, Jilma P, Quehenberger P, Gleixner K, Sperr WR. Emicizumab for the treatment of acquired hemophilia A. Blood. 2021 Jan 21;137(3):410-419. doi: 10.1182/blood.2020006315.
• Background Al-Banaa K, Alhillan A, Hawa F, Mahmood R, Zaki A, El Abdallah M, Zimmerman J, Musa F. Emicizumab Use in Treatment of Acquired Hemophilia A: A Case Report. Am J Case Rep. 2019 Jul 18;20:1046-1048. doi: 10.12659/AJCR.916783.
• Background Mohnle P, Pekrul I, Spannagl M, Sturm A, Singh D, Dechant C. Emicizumab in the Treatment of Acquired Haemophilia: A Case Report. Transfus Med Hemother. 2019 Apr;46(2):121-123. doi: 10.1159/000497287. Epub 2019 Mar 15.
• Background Muto A, Yoshihashi K, Takeda M, Kitazawa T, Soeda T, Igawa T, Sampei Z, Kuramochi T, Sakamoto A, Haraya K, Adachi K, Kawabe Y, Nogami K, Shima M, Hattori K. Anti-factor IXa/X bispecific antibody ACE910 prevents joint bleeds in a long-term primate model of acquired hemophilia A. Blood. 2014 Nov 13;124(20):3165-71. doi: 10.1182/blood-2014-07-585737. Epub 2014 Oct 1.
• Background Rodriguez-Merchan EC, Valentino LA. Emicizumab: Review of the literature and critical appraisal. Haemophilia. 2019 Jan;25(1):11-20. doi: 10.1111/hae.13641. Epub 2018 Nov 15.
• Background Levy GG, Asikanius E, Kuebler P, Benchikh El Fegoun S, Esbjerg S, Seremetis S. Safety analysis of rFVIIa with emicizumab dosing in congenital hemophilia A with inhibitors: Experience from the HAVEN clinical program. J Thromb Haemost. 2019 Sep;17(9):1470-1477. doi: 10.1111/jth.14491. Epub 2019 Jun 17.
• Background Pipe SW, Shima M, Lehle M, Shapiro A, Chebon S, Fukutake K, Key NS, Portron A, Schmitt C, Podolak-Dawidziak M, Selak Bienz N, Hermans C, Campinha-Bacote A, Kiialainen A, Peerlinck K, Levy GG, Jimenez-Yuste V. Efficacy, safety, and pharmacokinetics of emicizumab prophylaxis given every 4 weeks in people with haemophilia A (HAVEN 4): a multicentre, open-label, non-randomised phase 3 study. Lancet Haematol. 2019 Jun;6(6):e295-e305. doi: 10.1016/S2352-3026(19)30054-7. Epub 2019 Apr 16.
• Background Mahlangu J, Oldenburg J, Paz-Priel I, Negrier C, Niggli M, Mancuso ME, Schmitt C, Jimenez-Yuste V, Kempton C, Dhalluin C, Callaghan MU, Bujan W, Shima M, Adamkewicz JI, Asikanius E, Levy GG, Kruse-Jarres R. Emicizumab Prophylaxis in Patients Who Have Hemophilia A without Inhibitors. N Engl J Med. 2018 Aug 30;379(9):811-822. doi: 10.1056/NEJMoa1803550.
• Background Langer AL, Etra A, Aledort L. Evaluating the safety of emicizumab in patients with hemophilia A. Expert Opin Drug Saf. 2018 Dec;17(12):1233-1237. doi: 10.1080/14740338.2019.1551356. Epub 2018 Nov 28.
• Background Young G, Callaghan M, Dunn A, Kruse-Jarres R, Pipe S. Emicizumab for hemophilia A with factor VIII inhibitors. Expert Rev Hematol. 2018 Nov;11(11):835-846. doi: 10.1080/17474086.2018.1531701. Epub 2018 Oct 10.
• Background Mahlangu J. Emicizumab for the prevention of bleeds in hemophilia A. Expert Opin Biol Ther. 2019 Aug;19(8):753-761. doi: 10.1080/14712598.2019.1626370. Epub 2019 Jun 13.
• Background Shima M, Hanabusa H, Taki M, Matsushita T, Sato T, Fukutake K, Fukazawa N, Yoneyama K, Yoshida H, Nogami K. Factor VIII-Mimetic Function of Humanized Bispecific Antibody in Hemophilia A. N Engl J Med. 2016 May 26;374(21):2044-53. doi: 10.1056/NEJMoa1511769.
• Background Collins PW, Liesner R, Makris M, Talks K, Chowdary P, Chalmers E, Hall G, Riddell A, Percy CL, Hay CR, Hart DP. Treatment of bleeding episodes in haemophilia A complicated by a factor VIII inhibitor in patients receiving Emicizumab. Interim guidance from UKHCDO Inhibitor Working Party and Executive Committee. Haemophilia. 2018 May;24(3):344-347. doi: 10.1111/hae.13495.
• Background Oldenburg J, Mahlangu JN, Kim B, Schmitt C, Callaghan MU, Young G, Santagostino E, Kruse-Jarres R, Negrier C, Kessler C, Valente N, Asikanius E, Levy GG, Windyga J, Shima M. Emicizumab Prophylaxis in Hemophilia A with Inhibitors. N Engl J Med. 2017 Aug 31;377(9):809-818. doi: 10.1056/NEJMoa1703068. Epub 2017 Jul 10.
• Background Takeyama M, Nogami K, Matsumoto T, Noguchi-Sasaki M, Kitazawa T, Shima M. An anti-factor IXa/factor X bispecific antibody, emicizumab, improves ex vivo coagulant potentials in plasma from patients with acquired hemophilia A. J Thromb Haemost. 2020 Apr;18(4):825-833. doi: 10.1111/jth.14746. Epub 2020 Feb 26.
• Background Devarajan P, Chen Z. Autoimmune effector memory T cells: the bad and the good. Immunol Res. 2013 Dec;57(1-3):12-22. doi: 10.1007/s12026-013-8448-1.
• Background Tiede A, Hofbauer CJ, Werwitzke S, Knobl P, Gottstein S, Scharf RE, Heinz J, Gross J, Holstein K, Dobbelstein C, Scheiflinger F, Koch A, Reipert BM. Anti-factor VIII IgA as a potential marker of poor prognosis in acquired hemophilia A: results from the GTH-AH 01/2010 study. Blood. 2016 May 12;127(19):2289-97. doi: 10.1182/blood-2015-09-672774. Epub 2016 Feb 24.
• Background Mongini PK, Paul WE, Metcalf ES. T cell regulation of immunoglobulin class expression in the antibody response to trinitrophenyl-ficoll. Evidence for T cell enhancement of the immunoglobulin class switch. J Exp Med. 1982 Mar 1;155(3):884-902. doi: 10.1084/jem.155.3.884.
• Background Pavlova A, Zeitler H, Scharrer I, Brackmann HH, Oldenburg J. HLA genotype in patients with acquired haemophilia A. Haemophilia. 2010 May;16(102):107-12. doi: 10.1111/j.1365-2516.2008.01976.x.
• Background Holling TM, Schooten E, van Den Elsen PJ. Function and regulation of MHC class II molecules in T-lymphocytes: of mice and men. Hum Immunol. 2004 Apr;65(4):282-90. doi: 10.1016/j.humimm.2004.01.005.

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Indications