A quick-read roundup of 10 late-breaking abstracts from the 2026 MDS Congress, from phase 3 Parkinson disease readouts to long-term data in Huntington disease and Tourette syndrome, with the key results that matter for practice.

The Galassia trial will evaluate the safety and tolerability of intranasal cenegermin in about 60 children with spastic cerebral palsy across Italy.

Phase 3 ARISE trial results show solengepras 150 mg significantly reduced OFF time and improved motor and nonmotor symptoms in Parkinson disease.

New cerebrospinal fluid biomarker data suggest shared LRRK2 pathway activation across sporadic and LRRK2-associated Parkinson disease, potentially informing biomarker development and therapeutic targeting.

An MDS 2026 plenary speaker discusses the evolving role of infusion therapies, deep brain stimulation, and focused ultrasound in Parkinson disease, including when to consider device-aided therapies and how treatment selection can be individualized.

Phase 2a trial results showed 800 mg vutiglabridin significantly improved motor symptom scores compared with placebo in early-stage Parkinson's disease.

Investigational oral dopamine agonist prodrug boosts good ON-time, cuts OFF-time and dyskinesia, and reduces levodopa in advanced Parkinson disease, as phase 2 begins.

The associate vice president of clinical research at the Parkinson's Foundation discussed a large-scale replication of rs3115534-G, a noncoding GBA1 variant tied to Parkinson disease in people of African ancestry.