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Test your neurology knowledge with NeurologyLive®'s weekly quiz series, featuring questions on a variety of clinical and historical neurology topics. This week's topic is on tardive dyskinesia.

In this clip, a multiple sclerosis expert reflects on how ofatumumab’s role has expanded since FDA approval in 2020, from first-line use to special populations, and what this means for daily practice.

Final results from a phase 3 extension study presented at ECTRIMS 2025 demonstrated long-term efficacy and safety of ravulizumab-cwvz in patients with neuromyelitis optica spectrum disorder.

Neurology News Network. for the week ending October 4, 2025. [WATCH TIME: 4 minutes]

Take 5 minutes to catch up on NeurologyLive®'s highlights from the week ending October 3, 2025.

Riley Bove, MD, an associate professor of neurology at UCSF, breaks down the ARTIOS phase 3b trial results, highlighting the exceptionally low relapse rates, MRI outcomes, and safety findings in patients switching therapies.

Bristol Myers Squibb's BMS-986446 receives FDA fast track designation, targeting tau protein to combat early-stage Alzheimer's disease in ongoing trials.

At ECTRIMS 2025, a staff neurologist at Cleveland Clinic discussed findings from an observational study on long-term safety risks of ocrelizumab in patients with multiple sclerosis. [WATCH TIME: 3 minutes]

Mind Moments®, a podcast from NeurologyLive®, brings you an exclusive interview with Daniel Ontaneda, MD, PhD. [LISTEN TIME: 19 minutes]

In episode 1, Bove explores how ofatumumab, a B-cell–depleting therapy, stands apart from fingolimod and fumarates, and why its mechanism may offer distinct treatment advantages.

At AHS 2025, Eric Baron, DO, headache specialist at Cleveland Clinic, presented findings from a cross-sectional survey that examined psychedelic use among Canadian patients with migraine and cluster headache.

At ECTRIMS 2025, the postdoctoral research fellow at the University of Siena in Italy talked about how machine learning could classify multiple sclerosis into biologically distinct subtypes. [WATCH TIME: 5 minutes]

Nipocalimab receives positive EMA recommendation, potentially transforming treatment for generalized myasthenia gravis with significant clinical trial results.

Eli Lilly's donanemab gains EU approval, offering hope for early Alzheimer's treatment with a new dosing regimen that reduces side effects.

Xu Li, PhD, a research associate in the F.M. Kirby Research Center for Functional Brain Imaging at Kennedy Krieger Institute, provided commentary on a promising, recently published study using QSM MRI to detect cognitive changes in Alzheimer disease.

The president of the LGMD Foundation discussed raising awareness, strengthening advocacy, and the lived experience of navigating limb-girdle muscular dystrophy.

In a phase 3 trial presented at ECTRIMS 2025, ocrelizumab demonstrated noninferior relapse control compared with fingolimod in pediatric patients with relapsing-remitting multiple sclerosis.

The founder of the LGMD Foundation provided context on the significance behind LGMD Awareness Day, an initiative dedicated toward uplifting the limb-girdle muscular dystrophy community. [WATCH TIME: 6 minutes]

Primary results presented at ECTRIMS 2025 suggest that body-weight–adjusted high-dose of ocrelizumab did not further slow disease progression in patients with primary progressive multiple sclerosis.

Melissa Spencer, PhD, discussed the rare and complex landscape of limb girdle muscular dystrophy, highlighting research challenges, safety considerations in gene therapy, and the need for natural history studies and biomarkers.

Kelly Brazzo, founder and chief executive officer of the CureLGMD2i Foundation, provided commentary on LGMD Awareness Day, focusing on subtype-specific advocacy, genetic testing, and platform development leading to approved therapies.

The vice president of scientific engagement at the Alzheimer’s Association provided clinical insights on the most major considerations and precautions clinicians should have about diagnostic and commercially available tests for suspected Alzheimer disease. [WATCH TIME: 3 minutes]

A phase 2 study presented at ECTRIMS 2025 showed that autologous adipose-derived mesenchymal stem cell therapy was safe and effective in patients with relapsing-remitting multiple sclerosis.

At ECTRIMS 2025, the associate professor of neurology at Yale School of Medicine talked about the 2024 diagnostic criteria, the preclinical phase of the disease, and progressive MS. [WATCH TIME: 3 minutes]

Here's some of what is coming soon to NeurologyLive® this week.

The executive director of The Sumaira Foundation (TSF) talked about TSF's research update and award ceremony held during ECTRIMS 2025. [WATCH TIME: 5 minutes]

Test your neurology knowledge with NeurologyLive®'s weekly quiz series, featuring questions on a variety of clinical and historical neurology topics. This week's topic is on the ECTRIMS Congress.

A global panel of experts revised NMOSD diagnostic criteria and updated disease classifications, distinguishing aquaporin-4 antibody–positive disease from related conditions such as MOGAD.