Bagsværd, Denmark, 23 June 2024 – Novo Nordisk announced results from the phase 3 FRONTIER2 trial of 254 adults and adolescents aged 12 years and over with haemophilia A, with and without inhibitors. The trial assessed both once-weekly and once-monthly prophylactic treatment (regular treatment to prevent prolonged and spontaneous bleeding) with the investigational treatment Mim8. The data were presented at the International Society of Thrombosis and Haemostasis Annual Congress (ISTH 2024) in Bangkok, Thailand.
In the trial population with no prior prophylaxis treatment:
In the trial population with prior coagulation factor prophylaxis:
“Despite treatment advances, there are still many unmet needs for people living with haemophilia A,” said FRONTIER2 lead investigator Dr Maria Elisa Mancuso, Senior Consultant in Haematology, Centre for Thrombosis and Haemorrhagic Diseases, IRCCS Humanitas Research Hospital, Milan, Italy. “The FRONTIER2 data demonstrated superiority of Mim8 prophylaxis over both on demand treatment and prior clotting factor prophylaxis with respect to the number of treated bleeding episodes in people living with haemophilia A, regardless of their inhibitor status. It is also encouraging to see that in some subgroups in the study, up to 95% of people treated with Mim8 experienced zero bleeds.”
Mim8 is a next-generation Factor VIIIa (FVIIIa) mimetic bispecific antibody designed with the potential to deliver sustained haemostasis. It is currently in development for once-weekly or once-monthly prophylaxis treatment for people living with haemophilia A, with and without inhibitors. Administered subcutaneously, Mim8 bridges Factor IXa/X (FIXa/FX), thereby replacing missing FVIII. This restores the body’s thrombin generation capacity, helping blood to clot.1 In this trial, Mim8 was well-tolerated, and no safety concerns (thromboembolic events or related serious adverse events) were observed, in line with previous findings.
“The FRONTIER2 efficacy and safety data is very encouraging,” said Martin Holst Lange, Executive Vice President of Development at Novo Nordisk. “With Mim8, we have the potential of offering a substantial proportion of patients the prospect of zero bleeds and convenient dosing flexibility to fit their lifestyles and needs. We look forward to discussing these data with regulatory authorities.”
Contingent on regulatory interactions, Novo Nordisk aims to submit Mim8 for the first regulatory approval towards the end of 2024. Data from the ongoing phase 3 FRONTIER programme will continue to be disclosed at upcoming congresses and in publications in 2024 and 2025.
About Haemophilia
Haemophilia is a rare inherited bleeding disorder that impairs the body’s ability to make blood clots, a process needed to stop bleeding. It is estimated to affect approximately 1,125,000 people worldwide, and haemophilia A is estimated to account for 80-85% of all haemophilia cases.2 Due to the nature of haemophilia being a rare x-linked recessive disorder, it often presents differently in males compared to females, with ~ 88% of people diagnosed with haemophilia worldwide being male.3,4 There are different types of haemophilia, which are characterised by the type of clotting factor protein that is defective or missing. Haemophilia A is caused by a missing or defective clotting Factor VIII (FVIII). Some people with haemophilia may also develop inhibitors, which are an immune system response to the clotting factors in replacement therapy that cause treatment to stop working. Currently, it is estimated that up to 30% of people living with severe haemophilia A have inhibitors.5
About the FRONTIER2 clinical trial
The FRONTIER phase 3 clinical development programme investigates Mim8 as a prophylactic treatment for people with haemophilia A, with or without inhibitors. The phase 3 programme includes FRONTIER26, FRONTIER37, FRONTIER48, and FRONTIER59.
FRONTIER2 is a 52-week efficacy and safety phase 3 trial, comparing once-weekly and once-monthly Mim8 versus no prophylaxis and versus prior coagulation factor prophylaxis (26-52-week run-in period) in people aged 12 years and over with haemophilia A, with or without inhibitors. The 26-week main phase of the trial is completed, a 26-week extension phase is ongoing.
Participants were randomised into five treatment arms:
Those who had received on-demand treatment prior to trial enrolment:
Those who had received prophylaxis treatment prior to trial enrolment:
About Novo Nordisk
Novo Nordisk is a leading global healthcare company, founded in 1923 and headquartered in Denmark. Our purpose is to drive change to defeat serious chronic diseases, built upon our heritage in diabetes. We do so by pioneering scientific breakthroughs, expanding access to our medicines, and working to prevent and ultimately cure disease. Novo Nordisk employs about 66,000 people in 80 countries and markets its products in around 170 countries. Novo Nordisk's B shares are listed on Nasdaq Copenhagen (Novo-B). Its ADRs are listed on the New York Stock Exchange (NVO). For more information, visit novonordisk.com, Facebook, Instagram, X, LinkedIn and YouTube.
Contact for further information
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Jacob Martin Wiborg Rode +45 3075 5956 This email address is being protected from spambots. You need JavaScript enabled to view it. | David Heiberg Landsted +45 3077 6915 This email address is being protected from spambots. You need JavaScript enabled to view it. |
Sina Meyer +45 3079 6656 This email address is being protected from spambots. You need JavaScript enabled to view it. | Frederik Taylor Pitter +45 3075 8259 This email address is being protected from spambots. You need JavaScript enabled to view it. |
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References
1 Østergaard H, Lund J, Greisen PJ, et al. A factor VIIIa-mimetic bispecific antibody, Mim8, ameliorates bleeding upon severe vascular challenge in hemophilia A mice. Blood. 2021;138(14):1258-1268. doi:10.1182/blood.2020010331
2 Iorio A, Stonebraker JS, Chambost H, Makris M, Coffin D, Herr C, Germini F; Data and Demographics Committee of the World Federation of Hemophilia. Establishing the Prevalence and Prevalence at Birth of Hemophilia in Males: A Meta-analytic Approach Using National Registries. Ann Intern Med. 2019 Oct 15;171(8):540-546. doi: 10.7326/M19-1208.
3 Centers for Disease Control and Prevention. What is Hemophilia? Available at: https://www.cdc.gov/ncbddd/hemophilia/facts.html Accessed: June 2024
4 Statista. Distribution of people with bleeding disorders worldwide in 2020, by gender. Available at: https://www.statista.com/statistics/495675/percentager-of-people-with-bleeding-disorders-in-worldwide-bygender/#:~:text=This%20statistic%20displays%20the%20percentage,with%20hemophilia%20A%20were%20males Accessed: June 2024
5 Kim JY, You CW. The prevalence and risk factors of inhibitor development of FVIII in previously treated patients with hemophilia A. Blood Res. 2019 Sep;54(3):204-209. doi: 10.5045/br.2019.54.3.204.
6 ClinicalTrials.gov. A Research Study Investigating Mim8 in Adults and Adolescents With Haemophilia A With or Without Inhibitors. Available at: https://clinicaltrials.gov/study/NCT05053139 Last accessed: June 2024.
7 ClinicalTrials.gov. A Research Study Looking at Mim8 in Children With Haemophilia A With or Without Inhibitors. Available at: https://clinicaltrials.gov/study/NCT05306418 Last accessed: June 2024.
8 ClinicalTrials.gov. A Research Study Looking at Long-term Treatment With Mim8 in People With Haemophilia A (FRONTIER 4) (FRONTIER4). Available at: https://classic.clinicaltrials.gov/ct2/show/NCT05685238?term=NCT05685238&rank=1 Last accessed: June 2024.
9 ClinicalTrials.gov. A Research Study Looking at How Safe it is to Switch From Emicizumab to Mim8 in People With Haemophilia A (FRONTIER 5) (FRONTIER 5). Available at: https://clinicaltrials.gov/study/NCT05878938#xd_co_f=ZDM2YmY4ZmMtMmRhNi00YTI1LWI4YmItNTBjOWE4Yjg4NGI1~ Last accessed: June 2024.
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