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HEMLIBRA (emicizumab-kxwh)

The Emicizumab Medical Website now redirects users here. This Medical and Scientific Information website provides the latest information related to Genentech products and the diseases they treat on a single platform. The content from the previous website has been updated based on relevant topics of interest to the hemophilia A community, and has been redesigned and reformatted to align with this new platform.

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Key Topics of Interest

The information in this section may include content beyond what is in the FDA-approved label. Because the FDA has not approved such content, no conclusions regarding safety or efficacy may be made. Providing this information should not be construed as recommendation for use of a Genentech product for unapproved uses. For FDA-approved products please consult the product’s full prescribing information for a complete discussion of risks and benefits of the product(s) for its approved indication(s). The list of publications and congress materials is not an exhaustive list of published materials on the product. The list of references by data topics is selected per evidence-based medicine criteria.

Registrational Trials

Emicizumab Prophylaxis in Hemophilia A with Inhibitors
Oldenburg J, Mahlangu JM, Kim B, et al. N Engl J Med. 2017;377:809-818.

Emicizumab Prophylaxis in Patients Who Have Hemophilia A Without Inhibitors
Mahlangu J, Oldenburg J, Paz-Priel I, et al. N Engl J Med. 2018;379:811-822.

Long-Term Outcomes

Long-Term Outcomes With Emicizumab in Hemophilia A Without Inhibitors: Results from the HAVEN 3 and 4 Studies
Mahlangu J, Jiménez-Yuste V, Ventriglia G, et al. Res Pract Thromb Haemost. 2024;8:102364.

Long-Term Outcomes with Emicizumab Prophylaxis for Severe Haemophilia A Without FVIII Inhibitors: Safety and Efficacy Analyses from HAVEN 3 & 4
Mahlangu J, Jiménez-Yuste V, Ventriglia G, et al. Presented at: 16th Congress of the European Association for Haemophilia and Allied Disorders; February 7-10, 2023; Manchester, England. Poster PO135.

Thrombotic Microangiopathy/​Thrombotic Events

Emicizumab Prophylaxis in People with Haemophilia A: Summary of 10 Years of Safety Data on Thromboembolic Events and Thrombotic Microangiopathy
Sarouei K, Barlera S, Polito L, et al. Presented at: 17th Congress of the European Association for Haemophilia and Allied Disorders; February 6-9, 2024; Frankfurt, Germany. Poster #PO126.

Evaluation of the Safety of Emicizumab Prophylaxis in People with Haemophilia A: An Updated Summary of Thrombotic Events and Thrombotic Microangiopathies
Koparkar S, Barlera F, Nissen R, et al. Presented at: 16th Congress of the European Association for Haemophilia and Allied Disorders; February 7-10, 2023; Manchester, England. Poster #PO123.

Immunogenicity

Emicizumab Dose Up-Titration in Case of Suboptimal Bleeding Control in People with Haemophilia A
Schmitt C, Mancuso ME, Chang T, et al. Haemophilia. 2023;29:90-99.

Low Immunogenicity of Emicizumab in Persons with Haemophilia A
Schmitt C, Emrich T, Chebon S, et al. Haemophilia. 2021;27:984-992.

Infants

Emicizumab Prophylaxis in Infants with Severe Hemophilia A Without Factor VIII Inhibitors: Results from the Primary Analysis of the HAVEN 7 Study
Pipe S, Collins P, Dhalluin C, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Oral #505.

Pharmacodynamic Biomarkers in Infants with Hemophilia A Receiving Emicizumab in HAVEN 7
Kiialainen A, Pipe SW, Fijnvandraat K, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Oral #P1238.

Emicizumab Prophylaxis for the Treatment of Infants with Severe Haemophilia A Without Factor VIII Inhibitors: Results from the Interim Analysis of the HAVEN 7 Study on Behalf of the HAVEN 7 Study Investigators
Pipe S, Collins P, Dhalluin C, et al. Presented at: 16th Congress of the European Association for Haemophilia and Allied Disorders; February 7-10, 2023; Manchester, England.

Bone Health and Physical Activity

Association Between Physical Activity and Bleeding Events in People with Hemophilia A Receiving Emicizumab Prophylaxis: Interim Analysis of the TSUBASA Study
Fujii T, Amano K, Sawada A, et al. Presented at: 31st Congress of the International Society of Thrombosis and Haemostasis; June 24-28, 2023; Montreal, Canada. Poster #PB0641.

Mild/Moderate Hemophilia A

Factor VIII Use in the Treatment of Breakthrough Bleeds in People with Moderate or Mild Hemophilia A Without Factor VIII Inhibitors Receiving Emicizumab Prophylaxis: The Phase III HAVEN 6 Experience
Jiménez-Yuste V, Lim E, Mistry K, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Poster #P3999.

Comorbidities

Emicizumab Is Efficacious in People with Hemophilia A with Comorbidities Aged ≥50 Years: Analysis of 4 Phase III Trials
Jiménez-Yuste V, Oldenburg J, Tzeng E, et al. Res Pract Thromb Haemost. 2024;8:102405.

Emicizumab in People with Moderate or Mild Haemophilia Aged ≥40 Years, with and Without Comorbidities
Jiménez-Yuste V, Tzeng E, Lim E, et al. Presented at: 17th Congress of the European Association for Haemophilia and Allied Disorders; February 6-9, 2024; Frankfurt, Germany. Poster PO122.

Female Patients

Emicizumab Use in Females with Moderate or Mild Hemophilia A Without Factor VIII Inhibitors Who Warrant Prophylaxis
Hermans C, Ventriglia G, Obaji S, et al. Res Pract Thromb Haemost. 2023;7:102239.

Mortality

Mortality in Congenital Hemophilia A - A Systematic Literature Review
Hay CRM, Nissen F, Pipe SW. J Thromb Haemost. 2021;19 Suppl 1:6-20.

Application of a Hemophilia Mortality Framework to the Emicizumab Global Safety Database
Peyvandi F, Mahlangu JN, Pipe SW, et al. J Thromb Haemost. 2021;19 Suppl 1:32-41.

Real-World Evidence

Journal articles describing efficacy, safety, or surgical outcomes related to emicizumab in ≥50 patients in the real-world setting.

Evaluation of Safety and Efficacy of Emicizumab Prophylaxis in Egyptian Pediatric Patients with Hemophilia A: Single Center Cross Sectional Study
Hassan T, Zakaria M, Fathy M, et al. Turk J Haematol. 2024 Aug 22. doi: 10.4274/tjh.galenos.2024.​2024.0220.

Intraindividual Bleeding Outcomes in Patients with Hemophilia A on Emicizumab Prophylaxis in Australia
Ramanan R, Parikh S, Aung LL, et al. Blood Vessels Thromb Hemost. 2024;1:100005.

Factor VIII Inhibitors in Hemophilia A Treated with Emicizumab: Longitudinal Follow-Up of Outcomes
Levy-Mendelovich S, Atia N, Budnik I, et al. Res Pract Thromb Haemost. 2023;7:100278.

Real-World Data on Bleeding Patterns of Hemophilia A Patients Treated with Emicizumab
Levy-Mendelovich S, Brutman-Barazani T, Budnik I, et al. J Clin Med. 2021;10:4303.

Emicizumab Initiation and Bleeding Outcomes in People with Hemophilia A with and Without Inhibitors: A Single-Center Report
Warren BB, Chan A, Manco-Johnson M, et al. Res Pract Thromb Haemost. 2021;5:e12571.

Emicizumab Prophylaxis: Prospective Longitudinal Real-World Follow-Up and Monitoring
Barg AA, Budnik I, Avishai E, et al. Haemophilia. 2021;27:383-391.

Real-World Use of Emicizumab in Patients with Haemophilia A: Bleeding Outcomes and Surgical Procedures
McCary I, Guelcher C, Kohn J, et al. Haemophilia. 2020;26:631-636.

Congress presentations describing efficacy, safety, or surgical outcomes related to emicizumab in ≥50 patients in the real-world setting.

Real-World Bleeding Rates on Emicizumab Using Digital Treatment Diary data
Brands MR, Taal L, Driessens MHE, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0525.

Bleeds During the First Year of Emicizumab Prophylaxis: Preliminary Results of the Brazilian Emicizumab Registry (EMCase Project)
Camelo RM, Henriques LCM, Ferreira CB, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB1204.

Management and Outcomes of Surgical Procedures in People with Haemophilia Receiving Emicizumab
Dix C, Naeve L, Faruqi U, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Oral OC 14.3.

Emicizumab Prophylaxis in Previously Untreated and Minimally Treated Boys with Severe Haemophilia A: Summary of United Kingdom Experience
Mathias MC, Kelly AM, Alamelu J, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0204.

Effectiveness of Emicizumab Under Real-World Conditions in Patients of All Ages with Hemophilia A with and Without FVIII Inhibitors: Third Interim Analysis of the Non-Interventional Study EMIIL
Oldenburg J, Eichler H, Escuriola-Ettingshausen C, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0262.

Relationship Between Current and Historic Clinical Characteristics and Bleeding Outcomes in People with Severe Haemophilia A on Emicizumab: A Multivariate Analysis of Data from the CHESS Studies
Polito L, Oellerich M, Chafaie R, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0259.

Long-Term Effectiveness and Safety of Emicizumab in People with Hemophilia A in the Canadian Hemophilia Bleeding Disorders Registry
Poon M-C, Le A, Germini F, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0202.

Long-Term Safety and Effectiveness of Emicizumab in People with Hemophilia A in the Hemophilia Natural History Study (ATHN 7)
Recht M, Carpenter Sl, Lee L, et al. Presented at: The 32nd Congress of the International Society on Thrombosis and Haemostasis; June 22-26, 2024; Bangkok, Thailand. Poster PB0205.

Uptake of Emicizumab in PUPs with Severe Haemophilia A and Changes in Inhibitor Incidence
Fischer K, Lassila R, Peyvandi F, et al. Haemophilia. 2024;30(Suppl S1):34-188.

Quality of Life in Emicizumab-Treated People with Hemophilia A in the ATHN 7 Hemophilia Natural History Study – an Assessment of Baseline PROMIS®-29
Buckner TW, Daoud N, Lee L, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Poster #P3998.

Experience with Emicizumab Among People with Hemophilia A in the Canadian Hemophilia Bleeding Disorders Registry
Poon M-C, Lee A, Germini F, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Poster #P1240.

Real-World Unmet Needs in Patients with Hemophilia A Without Inhibitors in the US: Results from the PicnicHealth Database
Thornburg C, Wheeler AP, Bozzi S, et al. Presented at: 65th Congress of the American Society of Hematology; December 9-12, 2023; San Diego, California. Poster #P2380.

Should Immune Tolerance Be Pursued in the Era of Emicizumab? Longitudinal Follow Up of a FVIII Inhibitor Cohort - Real World Data
Levy-Mendelovich S, Atia N, Budnik I, et al. Res Pract Thromb Haemost. 2023;7(Suppl 2):100425.

Surgeries and Procedures in People with Haemophilia A on Emicizumab Prophylaxis: Analysis from the ATHN 7 Haemophilia Natural History Study
Buckner TW, Carpenter SL, Daoud N, et al. Presented at: 16th Congress of the European Association for Haemophilia and Allied Disorders; February 7-10, 2023; Manchester, England. Poster #PO166.

Bleeding Control Improves After Switching to Emicizumab: Real World Experience from 251 Children in the PedNet Registry
Van Der Zwet K, de Kovel M, Motwani J, et al. Haemophilia. 2023;29(Suppl 1):24-202.

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Publications and Congresses

The information in this section may include content beyond what is in the FDA-approved label. Because the FDA has not approved such content, no conclusions regarding safety or efficacy may be made. Providing this information should not be construed as recommendation for use of a Genentech product for unapproved uses. For FDA-approved products please consult the product’s full prescribing information for a complete discussion of risks and benefits of the product(s) for its approved indication(s).

Publications: The list of publications is not an exhaustive list of published materials on the product. The list of references by data topics is selected per evidence-based medicine criteria. To browse a full listing of published scientific literature:

Congresses: The list of congresses is a subset of Roche/Genentech posters and oral presentations for the product with data presented at scientific meetings in the recent 24 months. To browse full Roche/Genentech congress presentations and posters:


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Reach out to a Genentech Medical Science Liaison near you, or connect with the contact center.

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Medical Resources

Emicizumab Patient Website

This website is intended to provide community members with balanced clinical and scientific information on the safety and effectiveness of emicizumab for educational purposes, and to support informed and meaningful treatment discussions with healthcare providers.

Guidelines and Recommendations

The below links to evidence-based clinical guidelines and recommendations provide guidance on the use of emicizumab in patients with hemophilia A.

National Blood Disorders Foundation Medical and Scientific Advisory Council

Document #268

Recommendations on the use and management of emicizumab-kxwh (Hemlibra®) for hemophilia A with and without inhibitors.

Document #267

Recommendations on prophylaxis for hemophilia A and B with and without inhibitors.

World Federation of Hemophilia

Guidelines for the Management of Hemophilia, 3rd edition

Srivastava A, Santagostino E, Dougall A, et al. Haemophilia. 2020;26 Suppl 6:1-158.

International Society on Thrombosis and Haemostasis

Clinical Practice Guideline

Rezende SM, Neumann I, Angchaisuksiri P, et al. J Thromb Haemost. 2024 Sep;22(9):2629-2652.

Patient Organizations

Hemophilia Federation of America

National Bleeding Disorders Foundation

Formerly the National Hemophilia Foundation

World Federation of Hemophilia