Huntington's Disease
Recent clinical, regulatory, research and industry developments relating to this disease.
Global huntingtin knockout in adult mice leads to fatal neurodegeneration that spares the pancreas.
Polyglutamine (PolyQ) Diseases: Navigating the Landscape of Neurodegeneration.
Excessive STAU1 condensate drives mTOR translation and autophagy dysfunction in neurodegeneration.
Dysregulation of extracellular potassium distinguishes healthy ageing from neurodegeneration.
Huntington's Disease: Complex Pathogenesis and Therapeutic Strategies.
Aging, Neurodegenerative Disorders, and Cerebellum.
The Multiple Roles of Autophagy in Neural Function and Diseases.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 4 clinical trials expected to report results, the earliest in Q1 2028.
- Active recent publication activity.
- Q1 2028A Phase I, 2-Part Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single-ascending Doses of Intrathecally Administered RG6496 in a Randomized, Placebo-controlled, Investigator/Participant-blind Study With an Open-label Extension in Huntington's Disease Gene Expansion Carriers
- Q2 2028A Phase 1/2a, Open-label Trial to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Doses of Intrathecally Administered VO659 in Participants With Spinocerebellar Ataxia Types 1, 3 and Huntington's Disease
- Q4 2028A Phase 2/3 Randomized, Double Blind, Placebo-Controlled, Dose Ranging Study to Evaluate the Pharmacodynamics, Safety and Efficacy of SKY-0515 in Participants With Huntington's Disease
- Q2 2030A Randomized, Placebo-controlled, Double-blind Phase 3 Study to Evaluate the Efficacy, Safety and Tolerability of Votoplam in Participants With Huntington's Disease
Research HighlightsViewHide
Clinical MilestonesViewHide
- 2026-07-01A Phase 2/3 Randomized, Double Blind, Placebo-Controlled, Dose Ranging Study to Evaluate the Pharmacodynamics, Safety and Efficacy of SKY-0515 in Participants With Huntington's DiseaseResults expected Q4 2028
- 2026-06-29A Phase I, 2-Part Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single-ascending Doses of Intrathecally Administered RG6496 in a Randomized, Placebo-controlled, Investigator/Participant-blind Study With an Open-label Extension in Huntington's Disease Gene Expansion CarriersResults expected Q1 2028
- 2026-06-23A Randomized, Placebo-controlled, Double-blind Phase 3 Study to Evaluate the Efficacy, Safety and Tolerability of Votoplam in Participants With Huntington's DiseaseResults expected Q2 2030
- 2025-08-28A Phase 1/2a, Open-label Trial to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Doses of Intrathecally Administered VO659 in Participants With Spinocerebellar Ataxia Types 1, 3 and Huntington's DiseaseResults expected Q2 2028
- 2026-06-30Impact of Deutetrabenazine on Functional Speech and Gait Dynamics in Huntington DiseasePrimary completion
- 2025-11-05Open-Label Rollover Study for Continuing Valbenazine Administration for the Treatment of Chorea Associated With Huntington DiseaseCompleted
- 2025-10-24Real World Effectiveness and Safety of Deutetrabenazine in Chinese Patients With Huntington's Disease (HD) ChoreaCompleted
- 2026-07-01ClinicalA Phase 2/3 Randomized, Double Blind, Placebo-Controlled, Dose Ranging Study to Evaluate the Pharmacodynamics, Safety and Efficacy of SKY-0515 in Participants With Huntington's DiseaseResults expected Q4 2028
- 2026-06-30ClinicalImpact of Deutetrabenazine on Functional Speech and Gait Dynamics in Huntington DiseasePrimary completion
- 2026-06-29ClinicalA Phase I, 2-Part Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single-ascending Doses of Intrathecally Administered RG6496 in a Randomized, Placebo-controlled, Investigator/Participant-blind Study With an Open-label Extension in Huntington's Disease Gene Expansion CarriersResults expected Q1 2028
- 2026-06-23ClinicalA Randomized, Placebo-controlled, Double-blind Phase 3 Study to Evaluate the Efficacy, Safety and Tolerability of Votoplam in Participants With Huntington's DiseaseResults expected Q2 2030
- 2025-11-05ClinicalOpen-Label Rollover Study for Continuing Valbenazine Administration for the Treatment of Chorea Associated With Huntington DiseaseCompleted
- 2025-10-24ClinicalReal World Effectiveness and Safety of Deutetrabenazine in Chinese Patients With Huntington's Disease (HD) ChoreaCompleted
- 2025-09-12ResearchA rare genetic variant confers resistance to neurodegeneration across multiple neurological disorders by augmenting selective autophagy.Croce KR · 2025
- 2025-08-28ClinicalA Phase 1/2a, Open-label Trial to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Doses of Intrathecally Administered VO659 in Participants With Spinocerebellar Ataxia Types 1, 3 and Huntington's DiseaseResults expected Q2 2028
Clinical trials
The current development programme across all trial phases.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes8
- Huntington Disease12
- Neurodegenerative Diseases5
- Alzheimer Disease3
- Autophagy2
- Huntingtin Protein2
- Neurons2
- Parkinson Disease2
- Trinucleotide Repeat Expansion2
Leading journals6
- International journal of molecular sciences5
- Brain : a journal of neurology2
- The Journal of clinical investigation2
- ACS chemical neuroscience1
- Acta neuropathologica communications1
- BioMed research international1
Leading researchers8
- Yang XW3
- Estevez-Fraga C2
- Langfelder P2
- Li XJ2
- Parker CS2
- Rees G2
- Scahill RI2
- Tabrizi SJ2
Affiliations (unnormalised)6
- Center for Neurobehavioral Genetics3
- Dementia Research Centre2
- Stanford University2
- University of California2
- 1] Protein Metabolism Medical Research Center and Department of Biomedical Sciences1
- and Bernard and Shirlee Brown Glaucoma Laboratory1
Disease biology
Key proteins & gene products studied in this disease. Number shows shared papers.
Related conditions
Diseases frequently studied alongside this one. Number shows shared papers.
Disease profile
A grounded synthesis of the condition — overview, causes, mechanism, risk factors and current standard of care.
Huntington disease is a familial neurodegenerative disorder inherited in an autosomal dominant pattern. It is characterized by progressive chorea and dementia, typically beginning in mid-adulthood, with psychiatric symptoms such as paranoia, depression, hallucinations, and delusions often appearing early. A juvenile form exists and follows a more rapid course with seizures, ataxia, dementia, and chorea.
The disease is familial and inherited as an autosomal dominant trait. The supplied grounding also links it to trinucleotide repeat expansion and to huntingtin protein, indicating a genetic basis involving the disease protein.
The literature grounding associates Huntington disease with huntingtin protein, protein serine-threonine kinases, DNA-binding proteins, nerve tissue proteins, and TOR serine-threonine kinases. Review material also links it to impaired protein degradation pathways, including autophagy, and to oxidative stress, excitotoxicity from disrupted glutamate handling, and ferroptosis-related mechanisms. These processes are consistent with progressive neuronal dysfunction and degeneration.
The strongest supported risk factor is family history due to autosomal dominant inheritance. The grounding also identifies aging as a co-studied mechanism and a general risk factor in neurodegenerative disease literature, but it does not provide Huntington-specific risk estimates or additional established factors.
The supplied grounding supports therapy and drug therapy as literature-covered aspects, but it does not specify a standard treatment regimen or drug class for Huntington disease. Based on the review abstracts, the therapeutic discussion centers on modulating protein quality-control pathways such as autophagy and related neuroprotective strategies, rather than a clearly defined disease-modifying standard of care. No specific modality can be stated from the provided material.
AI-generated summary grounded in MeSH and 6 peer-reviewed sources. Informational only — not medical advice. Generated 2026-07-07.
Reference
Authoritative identity, definition & identifiers.
A familial disorder inherited as an autosomal dominant trait and characterized by the onset of progressive CHOREA and DEMENTIA in the fourth or fifth decade of life. Common initial manifestations include paranoia; poor impulse control; DEPRESSION; HALLUCINATIONS; and DELUSIONS. Eventually intellectual impairment; loss of fine motor control; ATHETOSIS; and diffuse chorea involving axial and limb musculature develops, leading to a vegetative state within 10-15 years of disease onset. The juvenile variant has a more fulminant course including SEIZURES; ATAXIA; dementia; and chorea. (From Adams et al., Principles of Neurology, 6th ed, pp1060-4)
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.