Headline results announced for pivotal phase IIIa trial of once-weekly and once-monthly subcutaneous Mim8 in haemophilia A
Novo Nordisk announced the headline results from the FRONTIER 2 trial, a pivotal phase IIIa, 26-week open-label, randomised, controlled, multi-arm trial in 254 people
The trial investigated the efficacy and safety of once-weekly and once-monthly subcutaneous Mim8 versus no prophylaxis and versus prior coagulation factor prophylaxis treatment in people aged 12 years or older with haemophilia A with or without inhibitors. The trial achieved its co-primary endpoints by demonstrating a statistically significant and superior reduction of treated bleeding episodes with both once-weekly and once-monthly Mim8 versus no prophylaxis treatment and prior coagulation factor prophylaxis treatment.
In people with no prior prophylaxis treatment, once-weekly and once-monthly Mim8 demonstrated superior reductions of 97% and 99% in treated bleeds, respectively, compared to those who received no prophylaxis treatment. In addition, 86% of people treated with once-weekly Mim8 and 95% of those treated with once-monthly Mim8 experienced zero treated bleeds, compared to 0% of those treated with no prophylaxis.
In the intra-patient analysis in people with prior coagulation factor prophylaxis, once-weekly and once-monthly Mim8 demonstrated superior reductions of 48% and 43% in treated bleeds, respectively, compared to prior coagulation factor prophylaxis (during run-in period of 26-52 weeks prior to initiation of Mim8 treatment). Additionally, 66% of people treated with once-weekly Mim8 and 65% of people treated with once-monthly Mim8 experienced zero treated bleeds.
In the trial, Mim8 appeared to have a safe and well-tolerated profile in line with previous trials. No deaths or thromboembolic events were reported in the trial.
“We are very pleased with the positive results from the FRONTIER 2 clinical trial. These data demonstrate the ability of Mim8 to prevent bleeding episodes effectively and safely in people with haemophilia A, regardless of their dosing frequency,” said Martin Holst Lange, executive vice president for Development at Novo Nordisk. “Given the differing needs of people living with haemophilia A, a convenient once-weekly or once-monthly dosing provides optionality and flexibility for people living with haemophilia A with or without inhibitors.”
Contingent on regulatory interactions, Novo Nordisk aims to submit Mim8 for the first regulatory approval towards the end of 2024. Data from the phase III FRONTIER programme, including FRONTIER 2 will be disclosed at upcoming congresses and in publications in 2024 and 2025.
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