DeCure's autonomous Neuro AI scientist is researching a drug-repurposing hypothesis for spinocerebellar ataxia type 19/22 — screening already-approved drugs against its 3-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 19/22 maps to a 3-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 19/22 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
potassium voltage-gated channel subfamily D member 3 (KCND3) — KCND3 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 apo structuredrag to rotate · scroll to zoom
RCSB Protein Data Bank · entry 7W6S · 2.8 Å · ligand none (apo structure). Experimental structure, not a prediction.
What the evidence adds up to
Spinocerebellar ataxia type 19/22 is a rare, slowly progressive neurological disease of incompletely understood pathophysiology, with no reliable biomarkers and no universally validated rating scale for clinical trials. As of 2003, there had been at most 18 controlled (Class 1) trials for ataxia in the preceding 25 years, all focused on neurotransmitter mechanisms. There are no FDA-approved drugs for any spinocerebellar ataxia. Current treatment practices are limited to rehabilitation interventions and off-label use of symptomatic medications.
In Japan, taltirelin and protirelin are drugs covered by health insurance for cerebellar ataxia symptoms and are expected to suppress symptom progression. Muscle relaxants are used for spasticity, and vasopressors and drugs for dysuria are used for autonomic symptoms in multiple system atrophy. No disease-modifying therapy has been established for spinocerebellar degeneration, and only symptomatic therapy is currently available. The abstracts contain no clinical trial data for any drug specifically in spinocerebellar ataxia type 19/22.
The dominant ataxias continue to grow in number as new conventional mutations are discovered, suggesting a wide range of biological pathways can be disrupted to cause progressive ataxia. For polyglutamine spinocerebellar ataxias, evidence supports a toxic protein mechanism involving protein misfolding and perturbations in nuclear events. Less is known about pathogenic mechanisms in ataxias due to noncoding repeats, though a toxic RNA effect remains possible. Although these diseases are incurable, there are high hopes that gene therapy methods will be developed to slow or stop disease progression.
What is still missing is any disease-modifying therapy for spinocerebellar ataxia type 19/22 specifically, along with validated biomarkers, animal models, and a universally accepted clinical rating scale. No controlled drug trials have been reported for this particular SCA subtype, and no funding or trial design has been described that targets its underlying mutation or mechanism.
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.
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].
Administration of Vincristine in a Patient with Machado-Joseph Disease
AbstractChemotherapy-induced peripheral neurotoxicity is a major problem because it represents the dose-limiting side effect of a significant number of antineoplastic drugs, such as vinca alkaloids. Hereditary neuropathies usually predispose to severe vincristine neurotoxicity. Here, we report the case of a 56-year-old man with Machado-Joseph disease, also known as spinocerebellar ataxia type 3, treated with a vinca alkaloid without exacerbation of neurological symptoms.
Yakut Medical Journal · 2025 · 0 citations · open access
Approaches to the treatment of autosomal-dominant spinocerebellar ataxias
AbstractThe article is devoted to the prospects for the treatment of neurodegenerative diseases with dynamic mutations based on published studies of the search for approaches to the treatment of spinocerebellar ataxia. Although these diseases are incurable, research results show that certain medications and physical therapy can alleviate the symptoms of cerebellar ataxia. Due to the progress made in the study of spinocerebellar ataxia in recent years, there are high hopes that it will be possible to develop gene therapy methods that will slow down the progression of the disease or even stop its development.
AbstractNo disease-modifying therapy has been established for spinocerebellar degeneration and multiple system atrophy, and only symptomatic therapy is currently available. Taltirelin and protirelin are drugs covered by health insurance for cerebellar ataxia symptoms, and are expected to suppress the progression of symptoms. Muscle relaxants are used for spasticity associated with spinocerebellar degeneration, and vasopressors and therapeutic agents for dysuria are used for autonomic symptoms of multiple system atrophy. It is necessary to develop a new therapeutic agent with a different mechanism of action, aimed specifically at modifying the disease progression in patients with spinocerebellar degeneration and multiple system atrophy.
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.
DeCure is a research and publication project, not medical advice and not a treatment. "DeCure for X" describes a research goal, not a claim that a cure exists. Backing a cure is a contribution to fund the research — it is not an investment, and confers no yield, royalty, equity or IP ownership. Papers are published open-access by the DeCure.ai DAO.
