New data from the long-term DAYBREAK study reinforces efficacy and safety of Zeposia (ozanimod) in patients with relapsing forms of multiple sclerosis.- BMS

These data (Poster #P090) and nine additional abstracts will be presented at the 9th annual Americas Committee for Treatment and Research in Multiple Sclerosis (ACTRIMS) Forum 2024 in West Palm Beach, Florida taking place February 29 to March 2.

In the DAYBREAK long-term extension study , treatment with Zeposia demonstrated a low annualized relapse rate of 0.098. Three- and six-month confirmed disability progression was absent in 82.8% and 84.8% of participants in the trial respectively. At Month 60, the adjusted mean number of new/enlarging T2 lesions per scan (range: 0.79–0.93) and the adjusted mean number of gadolinium-enhancing lesions (0.06–0.08) were similar across patient cohorts.

“These DAYBREAK data continue to validate the role of Zeposia in the long-term management of relapsing forms of multiple sclerosis, with two-thirds of patients relapse-free at six years of treatment,” said Bruce Cree, MD, PhD, MAS, study investigator and professor of Clinical Neurology, University of California San Francisco (UCSF) Weill Institute for Neurosciences and Clinical Research Director, UCSF MS Center. “These findings add to our confidence in Zeposia as an important treatment option for people living with the disease, highlighting its efficacy and safety over time.”

In the DAYBREAK trial , 2,494 participants were exposed to Zeposia for an average of 60.9 months (12,664.7 person-years); 2,219 participants (89.0%) had any treatment-emergent adverse event (TEAE), 381 (15.3%) had a serious TEAE and 98 (3.9%) discontinued the study due to a TEAE. The most common TEAEs were nasopharyngitis (21.3%), headache (17.1%), COVID-19 infection (16.5%) and upper respiratory tract infection (12.4%). No new safety signals emerged; data from this long-term observational study of patients treated for up to 81.5 months were consistent with the established safety profile of Zeposia.

Additionally, a separate analysis (Poster #P097) was conducted to assess the risk of rebound after Zeposia discontinuation in the DAYBREAK trial . Five hundred forty-four participants (21.8%) discontinued the study early, while 1,950 participants (78.2%) remained on treatment until the end of the trial. Approximately 2.2% were known to have relapsed after permanently discontinuing Zeposia, with 87.3% of relapses occurring between 29 and 90 days (median time to onset: 61 days) after discontinuation. Nearly all patients were not taking any disease modifying therapy for MS at the time of relapse. Most relapses were mild (n=20 [36.4%]) or moderate (n=34 [61.8%]) and most patients made a complete recovery. No post-treatment relapse was associated with rebound effect, characterized by severe exacerbation of disease or severe persistent increase in disability.

“Currently no cure exists for multiple sclerosis, but effective strategies and treatments can help slow disease progression and alleviate symptoms,” said Jonathan Sadeh, MD, MSc, senior vice president and head of global program leaders, Immunology, Cardiovascular and Neuroscience development, Bristol Myers Squibb. “These DAYBREAK efficacy, safety and rebound data underscore a consistent and sustained safety and efficacy profile and add to the body of evidence supporting Zeposia’s role in the treatment armamentarium. We remain focused on advancing care and delivering meaningful innovations in neuroscience, including for the millions of people impacted by relapsing forms of multiple sclerosis.”