Blood Clotting Therapies At
THE HEART OF HUMAN RESILIENCE.
No Patient With A
Clotting Disorder
LEFT BEHIND.
The First-Ever Preventative Treatments For
*Currently using monovalent and bispecific antibodies, with intention of expanding to other modalities
Preventing The Full Spectrum Of
Leveraging validated advanced technologies and key insights into the biology of clotting, Hemab’s approach is prime for widespread expansion into a range of underserved bleeding and thrombotic disorders, including Glanzmann Thrombasthenia, Factor VII Deficiency, Hemophilia B with inhibitors, Bernard Soulier Syndrome, Von Willebrand Disease, Hereditary Hemorrhagic Telangiectasia (or Osler-Weber-Rendu disease), Congenital Antithrombin III Deficiency, and others.
We are committed to finding and serving patients that have been left behind despite recent innovative therapies. Our strategic guidance, Hemab 1-2-5TM is targeting development of five clinical assets by 2025 to transform treatment for these rare disorders and enable patients everywhere to live healthy, active lives.
If you have questions about our ongoing clinical trials, please contact clinicaltrials@hemab.com.
Our expanded access policy can be found here.
Building The Ultimate
CLOTTING COMPANY.
Benny Sorensen, MD, PhD CEO
Mads Behrndt, MSc CFO & General Manager
Kate Madigan, MD CMO
Cécile Bonvoisin, MSc Senior Vice President, CMC and Manufacturing
Tara O’Meara Senior Vice President, Development Operations
John Maraganore, PhD Board Chair
Linda Bain Director
Dan Becker, MD, PhD Director
Uya Chuluunbaatar, PhD Director
Jørgen Søberg Petersen, MD, PhD, DMSc, MBA Director
Benny Sorensen, MD, PhD Director
Mårten Steen, MD, PhD Director
Laura Tadvalkar, PhD, MSc Director
Akshay Vaishnaw, MD, PhD
Jigar Amin, PharmD Senior Director, Medical Affairs
Annika Anthonsen Senior Laboratory Technician
Theresa Helene Bak-Thomsen, PhD Vice President, Research
Erik Bjornson Vice President, Regulatory Affairs
Amalie Carnbring Bonde, PhD Research Scientist
Leyna Cho Senior Clinical Trial Associate
Jennifer Dupee Executive Assistant/Office Manager
Heidi Dyreborg Senior Accountant
Samira Farboodmanesh, PhD Senior Director, Regulatory Affairs
Michelle Fisher Director, Data Management
Jacob Fredsted, MSc Senior Scientist, Drug Substance Development
Prafull Gandhi, PhD, MS Senior Scientific Director
Shea Golden Senior Clinical Research Associate
Ashley Gosnell, MPAS, PA-C Senior Manager, Clinical Research
Christina Grosse Office/HR Manager and Executive Assistant to the Head of CMC & Manufacturing
Mattias Häger, PhD, MSc Scientific Director
Rane Harrison, PhD Director, Analytical Development
Klaus Krainer Jønsson, MSc Finance Director
Louise Kempf-Amkær Senior Laboratory Technician
Andrew Law Senior Director, Medical Sciences
Ruthvik Malladi, PharmD Director, Medical Affairs
Shivangi Mathy Associate Director, Clinical Operations
Pruthvi S R Nagilla, MSc Senior Director, Bioanalysis and DMPK
Rikke Lykke Nielsen Senior Laboratory Technician
Helle Elisabeth Gluver Nørgaard Senior Laboratory Technician
Henrik Østergaard, PhD, MSc Scientific Vice President
Kristen Pappas, MBA Vice President, Clinical Operations
Tara Parsons Senior Clinical Trial Manager
Emil Poulsen, MSc Director, Drug Substance Development, CMC
Caroline Rasmussen, DVM, PhD Senior Director, Nonclinical Development
Catherine Rea, MD, PhD Senior Director, Medical Sciences
Corrina Roman-Kreuze, BSc Director, Quality
Anja R. H. Skands, MSc Vice President, Drug Product and Device Development
Thanh-Hue Tran, MSc Finance Manager
Mette Aaskov Ulbak, MCPHS Director, Regulatory Affairs
Joe Vogel Senior Director, Clinical and Program Leadership
Kathryn Zwetchkenbaum Manager, Human Resources and Executive Assistant
Learn About The Latest
HEMAB NEWS & RESEARCH.
Interim results demonstrate treatment with HMB-001 resulted in >50% reduction in treated bleeds at all tested dose levels
In second oral presentation, Hemab presented first preclinical data for HMB-002, a potential novel treatment for Von Willebrand Disease
Results from lived experience of Glanzmann thrombasthenia (GT360) and Von Willebrand Disease (VWD 360) natural history studies were included in two additional oral presentations
COPENHAGEN, DENMARK AND CAMBRIDGE, MASS., US – February 7, 2025 – Hemab Therapeutics, a clinical-stage biotechnology company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, today presented interim data from the ongoing evaluation of HMB-001, a novel bispecific antibody in development as first ever prophylactic treatment for the bleeding disorder Glanzmann thrombasthenia (GT). The Phase 2 study consists of a minimum 6-week prospective run-in where participants record bleeds via an electronic bleed diary, followed by 3 months of treatment with HMB-001. Interim efficacy data to date demonstrated >50% reduction in treated bleeds in all 3 tested dose cohorts. Underscoring its potential to address unmet medical needs and to expedite patient access, HMB-001 has been granted Orphan Drug Designation by the U.S. Food and Drug Administration and the UK Medicines and Healthcare products Regulatory Agency has awarded it designation under the Innovative Licensing and Access Pathway.
Hemab also unveiled compelling preclinical data for HMB-002, a potential novel treatment for Von Willebrand Disease (VWD).
These data were featured as oral presentations at the 18th Annual Congress of the European Association for Haemophilia and Allied Disorders (EAHAD) held this week in Milan, Italy.
“Glanzmann thrombasthenia is a serious and devastating bleeding disorder where patients often experience in excess of 60-80 treatment-requiring bleeds annually. These interim Phase 2 results signal the potential of a new reality for the Glanzmann thrombasthenia community, bringing us a step closer to a much-needed breakthrough in preventing bleeding,” said Kate Madigan, Chief Medical Officer at Hemab. “The preclinical data for HMB-002 highlights its potential to specifically address the underlying patho-etiology and revolutionize care for the Von Willebrand Disease community, offering hope to prevent life-threatening complications and provide patients with a critical new lifeline.”
Interim pharmacokinetic (PK) data from the Phase 1/2 study of HMB-001 supports the use of weekly or biweekly dosing regimens. Pharmacodynamic (PD) responses are aligned with the mechanism of action, demonstrating a dose-dependent accumulation of activated Factor VII (FVIIa) and enhanced potentiation through TLT-1 binding. Efficacy assessments indicate a reduction of over 50% in treated bleeding episodes at all tested dose levels.
In the single ascending dose (SAD) study, doses of 0.2, 0.5, and 1.25 mg/kg were evaluated, while the multiple ascending dose (MAD) study explored biweekly doses of 0.3, 0.6, and 0.9 mg/kg. The findings suggest a safe and effective dosing range of 0.3-0.6 mg/kg, while doses of 0.9 mg/kg and above were associated with elevated D-dimer levels and risk of venous thrombosis. These results provide valuable insights into optimizing dose and regimen for improved outcomes.
“Bleeding disorders such as Glanzmann thrombasthenia present significant hardships, including unpredictable and life-altering bleeds, physical pain, social stigma, and emotional isolation. Despite these burdens, preventive treatments have yet to be developed,” said Suthesh Sivapalaratnam, MD, PhD, Consultant Hematologist at Barts Health NHS Trust and Associate Professor at Queen Mary University of London. He adds: “With a bleed reduction of greater than 50%, the Phase 2 results highlight the transformative potential of HMB-001, offering people with Glanzmann thrombasthenia and providers a long-awaited breakthrough that could redefine care standards and bring renewed hope to a community in urgent need of innovation.”
“As a principal investigator in this study, I’ve seen firsthand how HMB-001 has the potential to significantly improve outcomes for people with Glanzmann thrombasthenia,” said Laurent Frenzel, MD, PhD, Head of the Hemophilia Treatment and Research Center at the Necker-Enfants Malades Hospital (Paris Cité). “The Phase 2 data demonstrate promising efficacy and a manageable safety profile, representing a significant advancement in the treatment landscape. I look forward to seeing these results translate into a meaningful impact for those who have long faced limited options and unmet medical needs.”
Hemab plans to complete Phase 2 study recruitment in the first half of 2025.
Hemab presented compelling preclinical data for HMB-002, a monovalent antibody uniquely designed to address VWD by increasing endogenous Von Willebrand Factor (VWF) levels and improving overall hemostasis. Unlike current treatments that often require frequent intravenous infusions or focus on symptom management, HMB-002 has the potential to provide a long-lasting, subcutaneous prophylactic solution that targets the root cause of VWD. Data demonstrate a promising safety and efficacy profile with high-affinity target-selective binding and preservation of key physiological functions of VWF when HMB-002 is bound. Administration of HMB-002 to cynomolgus monkeys resulted in a time-dependent accumulation of VWF, a corresponding rise in VWF activity, and a rise in the amount of another important blood clotting protein called Factor VIII (FVIII). The distribution of different sizes of VWF molecules (multimers) remained largely the same, suggesting that the activity levels of VWF were consistent. These results indicate that HMB-002, by boosting the levels of naturally occurring VWF, has the potential to be an effective, convenient and long-lasting preventive treatment option for people with VWD. The company is actively enrolling participants in VELORA-Discover, a prospective observational study for individuals with Type 1 VWD, to further understand the disease’s natural history and support future clinical trials.
Hemab’s partner Haemnet, a specialist research and communications consultancy in the bleeding disorders community, also presented results from two natural history studies. The Glanzmann’s 360 and Von Willebrand Disease 360 studies showcased the unmet needs and burdens the patients face every day.
About Glanzmann Thrombasthenia
Glanzmann thrombasthenia (GT) is a rare and severe bleeding disorder marked by debilitating, sometimes life-threatening bleeding episodes. Results from an international Glanzmann’s 360 (GT360) natural history study revealed the substantial burden of this disease: 88% of the 117 participants reported at least one bleed in the previous week, with 34% of those bleeds requiring medical treatment. These bleeding episodes significantly impact patients’ mental health and quality of life, with 67% reporting low mood, 52% reporting emotional problems, and 46% experiencing social isolation. Additionally, 81% of participants reported missing school or work due to bruising or bleeding. To date, there are no effective prophylactic treatment options for GT.
About HMB-001
HMB-001 is a subcutaneously administered bispecific antibody that binds and stabilizes endogenous Factor VIIa with one antibody arm and binds to TLT-1 on activated platelets with the other arm. This allows for the accumulation of endogenous Factor VIIa in the body, recruitment of Factor VIIa directly to the surface of the activated platelets, where it is known to facilitate hemostatic plug formation. HMB-001 is designed to be a first-in-class prophylactic treatment for Glanzmann thrombasthenia (GT) with the potential to treat other debilitating rare bleeding disorders. The U.S. Food and Drug Administration granted Fast Track Designation and Orphan Drug Designation to HMB-001 for the treatment of GT while the UK The Medicines and Healthcare products Regulatory Agency has awarded it designation under the Innovative Licensing and Access Pathway (ILAP). For more information, please visit clinicaltrials.gov (NCT06211634).
About Von Willebrand Disease
Von Willebrand Disease (VWD) is the most common inherited bleeding disorder, characterized by quantitative or qualitative defects in Von Willebrand Factor (VWF), often resulting in frequent mucocutaneous bleeding events and heavy menstrual bleeding in women. Severity of bleeding ranges from low-volume events to potentially life-threatening hemorrhages. Chronic blood loss frequently leads to iron deficiency anemia, exacerbating the disease burden and reducing quality of life, particularly for those with clinically understated subtypes. Despite its prevalence, current treatment options for VWD primarily focus on managing symptoms rather than addressing the underlying defect in VWF production or function.
About HMB-002
HMB-002 is a monovalent human antibody developed as the first-in-class prophylactic treatment for Von Willebrand Disease targeting the underlying root cause of the disease, a condition driven by a deficiency or defect in Von Willebrand Factor (VWF), a key regulator of hemostasis. By specifically targeting the C-terminal CK domain of VWF, which is distinct from regions critical to its essential interactions, HMB-002 shields the protein from degradation, boosting endogenous levels without compromising its function. Preclinical data suggest strong potential for meaningful therapeutic benefit. For more information, please visit clinicaltrials.gov (NCT06610201).
About Hemab Therapeutics
Hemab is a clinical-stage biotech company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders. Based in Cambridge, MA, and Copenhagen, Denmark, Hemab is progressing a pipeline of innovative therapeutic solutions, leveraging a variety of cutting-edge technologies and approaches to transform the treatment paradigm for patients with high unmet need. The company’s strategic guidance, Hemab 1-2-5TM, targets building a pipeline of multiple development programs to deliver long-awaited innovation for patients with high unmet need blood-clotting disorders like Glanzmann thrombasthenia, Factor VII Deficiency, Von Willebrand Disease, and others. Learn more at hemab.com. Follow us on LinkedIn, Facebook, and X.
# # #
Media Contact:
Peg Rusconi
peg.rusconi@deerfieldgroup.com
617-910-6217
COPENHAGEN, DENMARK AND CAMBRIDGE, MASS., US – January 13, 2025 – Hemab Therapeutics, a clinical-stage biotechnology company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, today announced the appointment of Kate Madigan, MD, as the company’s Chief Medical Officer.
The company also announced that CEO Benny Sorensen, MD, PhD, will present an update on Hemab’s progress and outlook for 2025 at the 43rd Annual J.P. Morgan Healthcare Conference on Wednesday, January 15, 2025, at 10:30 AM PST.
“We’re thrilled to welcome Dr. Madigan as CMO, bringing her unparalleled medical expertise and leadership to propel our clinical strategy forward as we urgently work to develop better treatment options for people living with neglected blood clotting disorders,” said Sorensen. “Dr. Madigan’s track record of successfully leading clinical development from early stage to successful regulatory filing and approval, and advancing transformative therapies comes at a pivotal time for Hemab as we continue to advance our pipeline to bridge the treatment gap in blood-clotting disorders. Dr. Madigan complements Hemab’s core values of caring deeply for people, working with high integrity, and always bringing passion, urgency, and perseverance.”
Prior to joining Hemab, Madigan served as the Chief Medical Officer at Syndax Pharmaceuticals, where she led the U.S. Food and Drug Administration (FDA) approval of Revuforj, the first and only therapy for relapsed or refractory acute leukemia with a KMT2A translocation, as well as the FDA approval of Niktimvo for the treatment of chronic Graft-Versus-Host Disease (GVHD). Her extensive leadership experience includes roles such as Senior Medical Director at Alnylam Pharmaceuticals and Medical Director within Biogen’s Rare Disease Innovation Unit. Madigan also held academic appointments at the University of California San Diego and Rady Children’s Hospital-San Diego. She earned her M.D. from the Keck School of Medicine at the University of Southern California.
“I’m excited to join Hemab at this exciting juncture in its journey to transform the treatment of blood-clotting disorders,” said Madigan. “With key milestones ahead in our pipeline, I look forward to leading efforts that advance our mission to pioneer targeted preventative treatments and functional cures for those underserved with bleeding and thrombotic disorders.”
About Hemab Therapeutics
Hemab is a clinical-stage biotech company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders. Based in Cambridge, MA and Copenhagen, Denmark, Hemab is progressing a pipeline of monoclonal and bispecific antibody-based therapeutics to transform the treatment paradigm for patients with high unmet need. The company’s strategic guidance, Hemab 1-2-5TM, targets building a pipeline of multiple development programs to deliver long-awaited innovation for patients with high unmet need blood-clotting disorders like Glanzmann Thrombasthenia, Factor VII Deficiency, Von Willebrand Disease, and others. Learn more at hemab.com. Follow us on LinkedIn, Facebook, and X.
# # #
Media Contact:
Peg Rusconi
peg.rusconi@deerfieldgroup.com
617-910-6217
HMB-001 was well tolerated with no drug-related adverse or thromboembolic events; dose-dependent improvements in blood-clotting activity support the potential of HMB-001 as a first-in-class prophylactic treatment for Glanzmann Thrombasthenia and other blood clotting disorders
Preclinical HMB-001 findings were published in the February 2024 issue of Nature Cardiovascular Research
COPENHAGEN, DENMARK AND CAMBRIDGE, MASS., US – February 9, 2024 – Hemab Therapeutics, a clinical-stage biotechnology company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, today presented initial results from Phase 1 of its ongoing evaluation of HMB-001. A novel bispecific antibody, HMB-001 is in development as a prophylactic treatment for the bleeding disorder Glanzmann Thrombasthenia (Glanzmann). The data were presented as one of 10 abstracts selected for the SLAM oral presentation session at the 17th Annual Congress of the European Association for Haemophilia and Allied Disorders (EAHAD) held this week in Frankfurt, Germany.
“The first clinical data for HMB-001 in Glanzmann suggest that the demonstrated mechanism is suitable as a new prophylactic treatment for people with neglected blood clotting disorders who face severe, potentially life-threatening bleeds every day,” said Joe Vogel, Senior Director and Program Lead for HMB-001 at Hemab. “With Phase 2 already underway, we are committed to advancing clinical evaluation of HMB-001 toward bringing life-changing preventative treatments to improve patients’ quality of life.”
The Phase 1/2 first-in-human open-label study in patients with Glanzmann is evaluating the safety, tolerability, pharmacokinetics, and pharmacodynamics of HMB-001. As part of the UK-based Phase 1 single-ascending dose, seven patients received subcutaneous HMB-001 at 0.2 mg/kg, (n=1), 0.5 mg/kg (n=3) or 1.25 mg/kg (n=3). Over a 56-day observation period, HMB-001 was well tolerated; the most common adverse events (AEs) were mild or moderate in severity. No AEs or serious adverse events were deemed related to HMB-001. There were no dose-limiting toxicities and no thromboembolic events reported.
Treatment with HMB-001 resulted in a dose-dependent pharmacodynamic effect of endogenous Factor VIIa accumulation that was associated with decreases in prothrombin time and improvement in exploratory thrombin generation analyses. The pharmacokinetic profile and half-life of HMB-001 support dosing every two weeks or a less-frequent dosing regimen.
“People living with bleeding disorders like Glanzmann face devastating bleed events and considerable psychosocial impacts—from severe pain and social stigmatization to depression and isolation—but have no approved preventative treatments to turn to,” said Suthesh Sivapalaratnam, MD, PhD, Queen Mary University of London, Barts Health NHS Trust. “These Phase 1 data support further investigation into the promise of HMB-001 for patients and providers across the globe who are awaiting innovation to improve the standard of care.”
Hemab has begun dosing and is actively enrolling in Phase 2, the multiple-ascending dose of the study, which will be expanded to sites across Europe and the U.S. For more information, visit clinicaltrials.gov (NCT06211634).
In addition, Hemab announced that preclinical research findings of HMB-001 are now available online as part of the February 2024 issue of Nature Cardiovascular Research. The study results demonstrate the ability of HMB-001 to accumulate and potentiate the activity of endogenous Factor VIIa selectively on activated platelets, providing a sustained and localized procoagulant activity that may support prophylactic treatment of Glanzmann or other bleeding disorders. Read the paper here.
About Glanzmann Thrombasthenia
Glanzmann Thrombasthenia (Glanzmann) is a rare and severe bleeding disorder associated with debilitating and sometimes life-threatening bleeding episodes. Initial findings from the international Glanzmann’s 360 (GT360) natural history study—Hemab’s research initiative in partnership with UK specialist research consultancy Haemnet—found that 87% of the 104 respondents reported experiencing at least one bleed in the previous week, with 37% of those bleeds requiring medical treatment.
These bleeding episodes significantly impact the mental health and quality of life of people living with Glanzmann. Low mood, emotional problems, and social isolation were reported by participants (66%, 50%, and 44% respectively), and 80% reported that they missed school or work due to bruising or bleeding. To date, there are no effective prophylactic treatment options for Glanzmann.
About HMB-001
HMB-001 is bispecific antibody that binds and stabilizes endogenous Factor VIIa with one antibody arm and binds to TLT-1 on activated platelets with the other arm. This allows for accumulation of endogenous Factor VIIa in the body, recruitment of Factor VIIa directly to the surface of the activated platelets where it is known to facilitate clotting, and avoidance of clotting activity in the absence of tissue damage. HMB-001 is designed to be a first-in-class prophylactic treatment for Glanzmann Thrombasthenia with the potential to treat other debilitating rare bleeding disorders. The U.S. Food and Drug Administration granted Fast Track Designation to HMB-001 for the treatment of Glanzmann.
About Hemab Therapeutics
Hemab is a clinical-stage biotech company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders. Based in Cambridge, MA and Copenhagen, Denmark, Hemab is progressing a pipeline of monoclonal and bispecific antibody-based therapeutics to transform the treatment paradigm for patients with high unmet need. The company’s strategic guidance, Hemab 1-2-5TM, targets the development of 5 assets by 2025 to deliver long-awaited innovation for patients with high unmet need blood-clotting disorders like Glanzmann Thrombasthenia, Factor VII Deficiency, Von Willebrand Disease, and others. Learn more at hemab.com. Follow us on LinkedIn and X (formerly known as Twitter).
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Media Contact:
Lia Dangelico
lia.dangelico@vergescientific.com
540-303-0180
COPENHAGEN, DENMARK AND CAMBRIDGE, MASS., US – January 4, 2024 – Hemab Therapeutics, a clinical-stage biotechnology company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, today announced the appointment of Akshay Vaishnaw, MD, PhD, to its Board of Directors.
The company also announced CEO Benny Sorensen, MD, PhD, will present an update on Hemab’s progress and outlook for 2024 at the 42nd Annual J.P. Morgan Healthcare Conference on Wednesday, January 10, at 4:30 PM PST/7:30 PM EST.
“In the last year, Hemab has achieved several important milestones, including raising a substantial Series B round, initiated its first Phase 2 clinical study and continued to build its pipeline of development candidates,” said John Maraganore, PhD, Board Chair. “With the appointment of Akshay to the Board, we add a biotech veteran who brings deep R&D experience at a time when Hemab will be advancing multiple clinical programs across a range of blood-clotting disorders. We welcome Akshay and the expertise he brings to Hemab and its mission.”
Dr. Vaishnaw is the Chief Innovation Officer at Alnylam Pharmaceuticals. Since joining the company in 2006 he has served in positions of increasing responsibility across Research and Development (R&D), and most recently as President of Alnylam. Prior to Alnylam, Dr. Vaishnaw was Senior Director, Translational Medicine at Biogen. Dr. Vaishnaw received a bachelor’s degree from University College Cardiff, UK, he received his MD from the University of Wales College of Medicine, UK, and a PhD from the University of London, UK, in Molecular Immunology. He is a Fellow of the Royal College of Physicians, UK. Dr. Vaishnaw is a member of the Board of Directors for Editas Medicine Inc. and Scholar Rock Inc.
“Hemab’s product development approach allows for a spectrum of modalities to be utilized, which holds immense promise for transforming the treatment of multiple blood-clotting disorders like Glanzmann Thrombasthenia, Factor VII Deficiency, and Von Willebrand Disease that remain urgently in need of novel prophylactic treatments,” said Dr. Vaishnaw. “I am excited to join Hemab’s Board of Directors and work with the leadership team who are clearly driven by patient need in their mission to deliver life-changing treatments for many people.”
“Akshay joins our Board at a time when his experience leading translational research, clinical development and delivering regulatory success will be invaluable,” said Dr. Sorensen. “I am thrilled to have his partnership and to bring his passion for science and commitment to building people-focused cultures to Hemab.”
About Hemab Therapeutics
Hemab is a clinical-stage biotech company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders. Based in Cambridge, MA and Copenhagen, Denmark, Hemab is progressing a pipeline of monoclonal and bispecific antibody-based therapeutics to transform the treatment paradigm for patients with high unmet need. The company’s strategic guidance, Hemab 1-2-5TM, targets the development of 5 independent assets by 2025 to deliver long-awaited innovation for patients with high unmet need blood-clotting disorders like Glanzmann Thrombasthenia, Factor VII Deficiency, Von Willebrand Disease and other serious disorders. Learn more at hemab.com.
# # #
Media Contact:
Lia Dangelico
lia.dangelico@vergescientific.com
540-303-0180
HMB-001 is a novel bispecific antibody designed to be the first prophylactic treatment for Glanzmann Thrombasthenia (GT) and other debilitating bleeding disorders
Phase 1 was successfully completed in the UK; Hemab plans additional sites in Europe and the U.S. for Phase 2
The U.S. FDA has cleared the Investigational New Drug (IND) application and granted Fast Track Designation to HMB-001 for the treatment of GT
COPENHAGEN, DENMARK AND CAMBRIDGE, MASS., US – December 11, 2023 – Hemab Therapeutics, a clinical-stage biotechnology company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, announced today that it has completed Phase 1, the single ascending dose part, and transitioned to Phase 2, the multiple ascending dose part, of its Phase 1/2 clinical study of HMB-001 in Glanzmann Thrombasthenia (GT), a platelet disorder that causes severe, potentially life-threatening bleeding episodes.
The company also announced that the U.S. Food and Drug Administration (FDA) has cleared Hemab’s investigational new drug application (IND) for HMB-001 in GT, enabling enrollment in the U.S. Phase 1 of the clinical study was completed in the UK, and Phase 2 will include additional sites in Europe as well as the U.S.
In addition, the FDA granted Fast Track designation to HMB-001, emphasizing the seriousness and high unmet need for treatments for GT. The Fast Track program enables Hemab to have more frequent interactions with the FDA to facilitate the development of HMB-001.
“People living with Glanzmann Thrombasthenia can experience frequent, sometimes severe bleeds that can be life-threatening and compromise their quality of life. Currently, there are no prophylactic treatment options that would reduce or prevent these bleeding episodes,” said Benny Sorensen, MD, PhD, CEO of Hemab. “The completion of Phase 1 on time and transitioning to Phase 2 is an important milestone for HMB-001 and Hemab. Furthermore, expanding our clinical study into the U.S., following clearance of the IND, and Fast Track designation are a testament to the importance of advancing prophylactic treatment for people living with Glanzmann Thrombasthenia.”
The Phase 1/2 clinical study evaluates the safety, tolerability, pharmacodynamics, and pharmacokinetics of HMB-001. Initial efficacy signals based on an assessment of changes in bleeding frequency will also be measured. The study is composed of three parts: Part A, single ascending dose, Part B, multiple ascending dose, and Part C, extended dosing. Hemab plans to report data from the Phase 1, single ascending dose portion, at an international scientific conference in early 2024.
The Phase 1/2 study design was detailed in the company’s poster presentation (number 1225), “A Phase 1/2, First-in-Human, Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of HMB-001 in Participants with Glanzmann Thrombasthenia,” at the 65th American Society of Hematology Annual Meeting and Exposition.
About Glanzmann Thrombasthenia
Glanzmann Thrombasthenia (GT) is a rare and severe bleeding disorder associated with debilitating and sometimes life-threatening bleeding episodes. Initial findings from the international Glanzmann’s 360 (GT360) natural history study, Hemab’s research initiative in partnership with UK specialist research consultancy Haemnet, found that 87% of the 104 respondents reported experiencing at least one bleed in the previous week, and 37% of those bleeds required medical treatment.
These bleeding episodes have a significant impact on the mental health and quality of life of people living with GT. Low mood, emotional problems, and social isolation were reported by participants (66%, 50%, and 44% respectively) and 80% reported that they missed school or work due to bruising or bleeding. To date, there are no effective prophylactic treatment options for people living with GT.
About HMB-001
HMB-001 is bispecific antibody that binds and stabilizes endogenous factor VIIa (FVIIa) with one antibody arm and binds to TLT-1 on activated platelets with the other arm. This allows for accumulation of endogenous FVIIa in the body, recruitment of FVIIa directly to the surface of the activated platelets where it is known to facilitate clotting, and avoidance of clotting activity in the absence of tissue damage. HMB-001 is designed to be a first-in-class prophylactic treatment for Glanzmann Thrombasthenia with the potential to treat other debilitating rare bleeding disorders.
About Hemab Therapeutics
Hemab is a clinical-stage biotech company developing novel prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders. Based in Cambridge, MA and Copenhagen, Denmark, Hemab is progressing a pipeline of monoclonal and bispecific antibody-based therapeutics to transform the treatment paradigm for patients with high unmet need. The company’s strategic guidance, Hemab 1-2-5TM, targets the development of 5 independent assets by 2025 to deliver long-awaited innovation for patients with high unmet need blood-clotting disorders like Glanzmann Thrombasthenia, Factor VII Deficiency, Bernard Soulier Syndrome, Von Willebrand Disease, and other serious disorders. Learn more at hemab.com.
Media Contact
Lia Dangelico
lia.dangelico@vergescientific.com
540-303-0180
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