DeCure's autonomous Neuro AI scientist is researching a drug-repurposing hypothesis for spinocerebellar ataxia type 6 — screening already-approved drugs against its 1-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.
Disease moduleSpinocerebellar ataxia type 6 maps to a 1-gene Open Targets module — the target space DeCure's AI scientist screens approved drugs against.
DeCure.ai methodSignature reversal (LINCS) plus network proximity (STRING) rank already-approved drugs likely to perturb this module — the same engine that produces DeCure.ai's repurposing hypotheses.
Repurposing thesisScreening approved medicines against this disease module, then publishing the evidence for the strongest candidate. Known pharmacology and human exposure data make the first question sharper — they do not establish safety or efficacy in a new indication.
Research record
01
ResearchComing soon
Candidate research + dossier — target rationale, drug-repurposing thesis and evidence pack.proof: Published dossier + on-chain hash
02
ValidationComing soon
In-vitro biological validation at a contract research org (CRO).proof: CRO contract + in-vitro report
03
Peer review & paperComing soon
Peer-reviewed paper published open-access (preprint + journal).proof: DOI + open-access link + on-chain hash
Current lead
No approved-drug candidate for spinocerebellar ataxia type 6 is corroborated in the literature DeepSearch retrieved. Some conditions are managed with non-pharmacological care — a device, surgery or physical therapy — rather than a medicine; that may be the case here, or the literature we found may simply be too sparse yet to support a drug-repurposing angle.
Molecular view
calcium voltage-gated channel subunit alpha1 A (CACNA1A) — CACNA1A is one of the genes genetically linked to this disease in Open Targets — shown as context, not as a drug target we're pursuing: no approved-drug candidate for this disease is yet corroborated in the literature we found.
Loading structure…
helix sheet clrdrag to rotate · scroll to zoom
RCSB Protein Data Bank · entry 8X93 · 2.92 Å · ligand CHOLESTEROL (CLR). Experimental structure, not a prediction.
What the evidence adds up to
No drug has been shown to alter the course of spinocerebellar ataxia type 6 in any controlled trial. A 2003 review noted that at most 18 controlled class 1 trials had ever been conducted for any ataxia, that no FDA-approved drug existed for spinocerebellar ataxia, and that current treatment was limited to off-label symptomatic medications and rehabilitation. A 2011 review confirmed that effective therapies were still lacking. A 2025 longitudinal study of 53 patients with early SCA1, 2, 3, and 6 (mean SARA score 9.3) found that few patient-reported or clinician-reported outcome measures showed statistically significant change at 12 months; at 24 months the FARS-ADL and PROM-Ataxia physical and ADL scores captured change, but the authors noted more work was needed to identify outcomes that reliably capture change earlier.
A 2013 literature review of physical therapy for spinocerebellar ataxia identified 13 relevant studies and reported that all found improvement of symptoms, but the review also noted methodological limitations and called for greater rigour in future research. A 2023 review of stem cell therapy for spinocerebellar ataxias cautioned that despite being promoted as a "wonder treatment," stem cells may not be the answer for all such diseases, and emphasised the need to consider indications, ethics, and potential side effects.
The underlying pathogenesis of spinocerebellar ataxia type 6 involves a polyglutamine expansion, with evidence from 2007 supporting a toxic protein mechanism and perturbations in nuclear events. A 2011 review identified recurrent themes including protein aggregation, failure of protein homeostasis, and ion channel dysfunction. What remains missing are validated biomarkers, universally accepted rating scales sensitive to early change, and adequately powered randomised controlled trials testing specific molecular targets in SCA6.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
Current Opinion in Neurology · 2007 · 151 citations
Spinocerebellar ataxias: an update
AbstractPURPOSE OF REVIEW: Here we discuss recent advances regarding the molecular genetic basis of dominantly inherited ataxias. RECENT FINDINGS: Important recent observations include insights into the mechanisms by which expanded polyglutamine causes cerebellar degeneration; new findings regarding how noncoding expansions may cause disease; the discovery that conventional (i.e. nonrepeat) mutations underlie recently identified ataxias; and growing recognition that multiple biological pathways, when perturbed, can cause cerebellar degeneration. SUMMARY: The dominant ataxias, also known as spinocerebellar ataxias, continue to grow in number. Here we review the major categories of spinocerebellar ataxias: expanded polyglutamine ataxias; noncoding repeat ataxias; and ataxias caused by conventional mutations. After discussing features shared by these disorders, we present recent evidence supporting a toxic protein mechanism for the polyglutamine spinocerebellar ataxias and the recognition that both protein misfolding and perturbations in nuclear events represent key events in pathogenesis. Less is known about pathogenic mechanisms in spinocerebellar ataxias due to noncoding repeats, though a toxic RNA effect remains possible. Newly discovered, conventional mutations in spinocerebellar ataxias suggest a wide range of biological pathways can be disrupted to cause progressive ataxia. Finally, we discuss how new mechanistic insights can drive the push toward preventive treatment.
Movement Disorders · 2011 · 94 citations · open access
Milestones in ataxia
AbstractThe past 25 years have seen enormous progress in the deciphering of the genetic and molecular basis of ataxias, resulting in improved understanding of their pathogenesis. The most significant milestones during this period were the cloning of the genes associated with the common spinocerebellar ataxias, ataxia telangiectasia, and Friedreich ataxia. To date, the causative mutations of more than 30 spinocerebellar ataxias and 20 recessive ataxias have been identified. In addition, there are numerous acquired ataxias with defined molecular causes, so that the entire number of distinct ataxia disorders exceeds 50 and possibly approaches 100. Despite this enormous heterogeneity, a few recurrent pathophysiological themes stand out. These include protein aggregation, failure of protein homeostasis, perturbations in ion channel function, defects in DNA repair, and mitochondrial dysfunction. The clinical phenotypes of the most common ataxia disorders have been firmly established, and their natural history is being studied in ongoing large observational trials. Effective therapies for ataxias are still lacking. However, novel drug targets are under investigation, and it is expected that there will be an increasing number of therapeutic trials in ataxia.
Movement Disorders Clinical Practice · 2025 · 4 citations · open access
Longitudinal Changes in Patient‐ and Clinical‐Reported Outcomes in Early Spinocerebellar Ataxia Types 1, 2, 3, and 6 from the <scp>IDEA</scp> Study
AbstractBACKGROUND: Clinical outcomes assessments (COAs) in spinocerebellar ataxia (SCA) need to be standardized, ataxia-specific, sensitive to change, clinically relevant, and meaningful to patients. OBJECTIVES: To evaluate the longitudinal 1- and 2-year performances of different patient reported outcomes, including the Patient Reported Outcome Measure of Ataxia (PROM-Ataxia), and clinician reported outcomes, including FARS and SARA, in those with early manifest symptoms of SCA 1, 2, 3, and 6. METHODS: We studied 53 patients with early stage SCA1-3 and SCA6 from The Instrumented Data Exchange for Ataxia Study and 24 age-matched healthy controls. Participants were seen every 6 months for 2 years. Mixed models were used to estimate change over 12- and 24-months of follow-up. Changes on the FARS-FS and PGI-C were used as anchors to estimate meaningful changes. RESULTS: Among persons with SCA, mean age was 48.7 years and mean SARA score was 9.3. Few measures showed statistically significant changes at 12 months. At 24-months, the FARS-ADL, PROM-Ataxia total, PROM-Ataxia physical, and PROM-Ataxia ADL scores showed the strongest associations of change. CONCLUSIONS: Patient reported or derived outcome measures, such as FARS-ADL and ADL sub domain of the PROM-Ataxia, can capture longitudinal change in patients' symptom experience over a 2-year period and its impact on daily activities, even in those with early disease. More work is needed to identify outcomes that reliably capture change earlier.
Expert Opinion on Pharmacotherapy · 2003 · 4 citations
Spinocerebellar degeneration
AbstractThe spinocerebellar degenerations/ataxias (SCAs) are a diverse group of rare, slowly progressive, neurological diseases, often inherited but of incompletely understood pathophysiology, which affect the cerebellum and its related pathways. They have few animal models and share no reliable biomarkers. They have, as yet, no universally validated rating scale for use in clinical trials. In the past 25 years, there have been, at most, 18 controlled (Class 1) trials for ataxia, which have focused on neurotransmitter mechanisms. There is currently only one National Institute of Neurological Disorders and Stroke-sponsored drug trial for ataxia (Phase I study of idebenone in Friedreich's ataxia). There are, as yet, no FDA-approved drugs for SCA. Current treatment practices encompass rehabilitation interventions and off-label use of symptomatic medications [1,2].
Revista Neurociências · 2013 · 3 citations · open access
Atendimento Fisioterapêutico para Indivíduos com Ataxia Espinocerebelar: Uma Revisão da Literatura
AbstractThe spinocerebellar ataxia (SCA) is a disorder characterized by deficits in the execution of coordinated movements with progressive postural sway associated with difficulty in maintaining balance and various other motor disorders. The gait may be ataxic, with broadening the base of support, instability, irregular steps and slow, lateropulsion and trembling in range of motion, so that physical therapy is an important alternative for the improvement of the disorders of this pathology. Objective. Make, based on scientific literature, a review of physical therapy strategies in the treatment of spinocerebellar ataxia. Method. The study researches the databases Medline and SciELO from 2001 to 2011, considering the following keywords: ataxia espinocerebelar, Fisioterapia, tratamento, reabilitação and its correlates in English. Results. We found 33 studies that had as its main theme ataxia, 20 articles were excluded because they did not report the physical therapy approach for this type of pathology. After review, 13 references were used. Conclusions. After this study, the importance of physical therapy in the treatment of patients with SCA becomes obvious, according to the benefits promoted, as all studies found an improvement of symptoms of this pathology. Methodological limitations observed suggest the need for greater rigor in future research.
Annals of Movement Disorders · 2023 · 0 citations · open access
Stem cell therapy for spinocerebellar ataxias
AbstractStem cells have proved to be the “wonder treatment” for various genetic diseases and holds great potential for the treatment of numerous, but presently incurable maladies. However, stem cells may not be the answer for all such diseases. With the rampant growth of clinics offering stem cell therapy for almost every incurable disease, it is prudent that the indications, ethical considerations, and potential side effects of this treatment are known to the physicians and patients. In this article, we have summarized the available evidence on stem cell therapy in spinocerebellar ataxias.
Disease module: DeepOracle (Open Targets). Structures: RDKit from PubChem SMILES. Literature: retrieved by DeepSearch across 234,678,978 indexed works (targeted per-candidate search), resolved on OpenAlex.
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