RARE DISEASERESEARCH ATLAS

ORPHA:352403

Spectrin-associated autosomal recessive cerebellar ataxia

medium confidenceDisorder

Also known as: Autosomal recessive spinocerebellar ataxia type 14 · Infantile-onset spinocerebellar ataxia-psychomotor delay syndrome · SCAR14 · SPARCA · SPARCA1 · Spectrin-associated autosomal recessive cerebellar ataxia type 1

Query health: suspect — Only one of 2 strategies returned hits (phrase).

Publications

378

82.5th percentile

Trials

0

Interventional, condition-specific

Researchers

1,355

Distinct authors in sample

Gene link

SPTBN2

Definitive

Readiness

3/6

Stages with a signal

Clinical definition (Orphanet)

Spectrin-associated cerebellar is a rare, genetic neurological disease, due to SPTBN2 mutations, characterized by global development delay in infancy, followed by childhood-onset gait with limb dysmetria and dysdiadochokinesia, mild to severe , development of cerebellar atrophy, and abnormal eye movements (including a convergent squint, hypometric saccades, jerky pursuit movements and incomplete range of movement).

How rare: <1 / 1 000 000 — fewer than one in a million. In a city the size of Kolkata, that might mean on the order of fifteen people.

Orphanet entry

Cross-references

Joined from Mondo / Orphanet. MeSH labels may enter searches; UMLS / OMIM / NCIT are stored for reference.

Additional Mondo synonyms (8)

Ataxie spinocérébelleuse à début infantile avec retard psychomoteur · SPTBN2 autosomal recessive cerebellar ataxia · autosomal recessive cerebellar ataxia caused by mutation in SPTBN2 · autosomal recessive cerebellar ataxia-cognitive defect syndrome · autosomal recessive spinocerebellar ataxia type 14 · infantile-onset spinocerebellar ataxia-psychomotor delay syndrome · spectrin-associated autosomal recessive cerebellar ataxia type 1 · spinocerebellar ataxia, autosomal recessive type 14

Research stages

Trial readiness signals

Where this condition sits on an open-data research pipeline — not how close a treatment is, and not medical advice. Empty stages often mean “not in these databases under this Mondo ID,” not “impossible.”

3/6 stages with a signal

No specific-condition interventional trial, but broader-category trials exist — discuss eligibility with a clinician.

  1. Gene identifiedPresent

    Definitive — SPTBN2

  2. LiteraturePresent

    378 matched papers (259 in last 10 years) Source

  3. Phenotype characterisedNot checked

    Not yet enriched from Monarch / HPO

  4. Animal modelNot checked

    Not yet enriched from Monarch / Alliance

  5. Orphan designationNot checked

    FDA/EMA orphan-drug designation not enriched yet

  6. Interventional trialPartial

    None under the specific name; 2 for broader category autosomal recessive cerebellar ataxia

Biology

Genes and phenotypes

Gene–disease validity from GenCC, plus phenotypes and animal models joined from Monarch Initiative via Mondo ID — not a clinical diagnosis aid.

Do we know what causes it?

Yes — we know a specific gene responsible (SPTBN2).

GenCC classification: Definitive.

Phenotypes (Monarch / HPO)

Not enriched in this build — Monarch phenotype joins were not run for this record.

Animal models (Monarch / Alliance)

Not enriched in this build.

Literature

Is anyone studying this?

378

378 papers have ever been published on this condition (under this name). For scale, breast cancer has over 700,000. Median papers in the last 10 years for a rare disease in this dataset (publications denominator n=5449) is 41.

378 papers since the earliest indexed year in this search — median last-10-year count for a rare disease in this dataset is 41 (publications denominator n=5449).

259 in the last 10 years · medium confidence · 82.5th percentile (publications denominator)

Phrase hits: 378 · MeSH hits: 0

Open Europe PMC search

Who's working on it?

1,355

Distinct author names in 200 sampled papers — named people below.

Who's working on it?

No interventional trial matched this name; these authors publish on it in the sampled literature — a practical starting point for contact.

  1. 01
    Synofzik M12 papers · 2025

    Department of Neurodegenerative Diseases, Hertie-Institute for Clinical Brain Research and Center of Neurology, University of Tübingen, Tübingen, Germany.

    Papers in Europe PMC
  2. 02
    Anheim M7 papers · 2020

    Service de neurogénétique, hôpital de la Pitié-Salpêtrière, 75651 Paris, France. mathieu.anheim@psl.aphp.fr

    Papers in Europe PMC
  3. 03
    Salles MJS7 papers · 2025

    Department of General Biology, State University of Londrina (UEL), Km 380, Celso Garcia Cid Road, Londrina, 86057-970, Brazil.

    Papers in Europe PMC
  4. 04
    Gagnon C6 papers · 2025

    Groupe de recherche interdisciplinaire sur les maladies neuromusculaires (GRIMN), Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-Saint-Jean, Québec, Canada.

    Papers in Europe PMC
  5. 05
    Pedroso JL6 papers · 2025

    Department of Neurology, Ataxia Unit Universidade Federal de São Paulo São Paulo Brazil.

    Papers in Europe PMC
  6. 06
    Brais B5 papers · 2024

    Department of Human Genetics, McGill University, Montréal, QC, Canada.

    Papers in Europe PMC
  7. 07
    O'Brart D5 papers · 2024

    Department of Ophthalmology, Guy's and St Thomas' NHS Foundation Trust, London, UK.

    Papers in Europe PMC
  8. 08
    Santorelli FM5 papers · 2025

    IRCCS Fondazione Stella Maris, Calambrone, Pisa, Italy.

    Papers in Europe PMC
  9. 09
    Schüle R5 papers · 2025

    Department of Neurodegenerative Diseases, Center for Neurology and Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.

    Papers in Europe PMC
  10. 10
    Wang S5 papers · 2025

    Department of Neurology, Xiangya Hospital,Department of Anatomy & Neurobiology, Xiangya School of Medicine, Central South University, Changsha, Hunan, andDepartment of Anatomy, Qing Dao University, QingDao, Shandong, China.

    Papers in Europe PMC

Clinical research

Is a treatment being tested?

0

interventional trials for this specific condition

No interventional trial testing a treatment matched this specific condition name on ClinicalTrials.gov (observational studies and pan-disease registries are listed separately when present). 2 trials are registered for autosomal recessive cerebellar ataxia, the broader category — shown separately because they may or may not enrol this specific subtype.

Data as of 27 July 2026

No matched interventional trials. This is true for 73% of diseases in the trials denominator (5114 of 7003). Here are the researchers publishing on it.

medium confidence · 36.5th percentile (trials denominator)

Recruiting interventional trials

From the matched ClinicalTrials.gov set

No interventional trial testing a treatment was found for this specific condition name on ClinicalTrials.gov.

2 interventional trials matched autosomal recessive cerebellar ataxia, the broader category — listed below. Those studies are not counted in the condition-specific total.

Broader category: autosomal recessive cerebellar ataxia

2

Interventional trials for the parent category, exclusive of NCT IDs already counted above. Eligibility for this subtype is not guaranteed.

Worth raising with a clinician. How we count trials.

Recruiting under the broader category

Where to find support

We do not yet link condition-specific patient organisations. These umbrella groups support undiagnosed and ultra-rare families:

India — NPRD

Last verified 2026-07-26

This ORPHAcode is not on our curated NPRD list (direct or Mondo-parent match). That does not decide clinical eligibility; families in India should ask a notified Centre of Excellence about current coverage.

Hand-curated for this project. ORPHAcode mappings are best-effort and may be incomplete or imprecise for umbrella categories. Parent (Mondo) matches mean the policy lists a broader category — confirm eligibility with a Centre of Excellence. Financial entitlements summarised from public policy statements and may change. This is not official government guidance.

How we counted this

Europe PMC query (preferred label + any corrected label + Orphanet and Mondo exact synonyms, stoplisted; unioned with resolved MeSH labels when available). UMLS / OMIM / NCIT cross-references are stored on the overview but are not added to the query string.

"Spectrin-associated autosomal recessive cerebellar ataxia" OR "Autosomal recessive spinocerebellar ataxia type 14" OR "Infantile-onset spinocerebellar ataxia-psychomotor delay syndrome" OR "SCAR14" OR "SPARCA" OR "SPARCA1" OR "Spectrin-associated autosomal recessive cerebellar ataxia type 1" OR "Ataxie spinocérébelleuse à début infantile avec retard psychomoteur" OR "SPTBN2 autosomal recessive cerebellar ataxia" OR "autosomal recessive cerebellar ataxia caused by mutation in SPTBN2" OR "autosomal recessive cerebellar ataxia-cognitive defect syndrome" OR "spinocerebellar ataxia, autosomal recessive type 14"

Run this search on Europe PMC

ClinicalTrials.gov query (quoted phrases + MeSH via query.cond, plus recall-expansion terms when used):

"Spectrin-associated autosomal recessive cerebellar ataxia" OR "Autosomal recessive spinocerebellar ataxia type 14" OR "Infantile-onset spinocerebellar ataxia-psychomotor delay syndrome" OR "SCAR14" OR "SPARCA" OR "SPARCA1" OR "Spectrin-associated autosomal recessive cerebellar ataxia type 1" OR "Ataxie spinocérébelleuse à début infantile avec retard psychomoteur" OR "SPTBN2 autosomal recessive cerebellar ataxia" OR "autosomal recessive cerebellar ataxia caused by mutation in SPTBN2" OR "autosomal recessive cerebellar ataxia-cognitive defect syndrome" OR "spinocerebellar ataxia, autosomal recessive type 14" OR "SPTBN2"

Recall-expansion terms: SPTBN2

Study-type breakdown: 0 interventional · 0 observational · 0 expanded access. Only interventional studies enter the trial headline.

Parent-category trials query:

"autosomal recessive cerebellar ataxia"

Query health: suspect — strategies attempted: phrase, recall-expansion; with hits: phrase

Run this search on ClinicalTrials.gov

Confidence reasoning

  • Preferred label is multi-word and distinctive
  • No synonyms dropped by stoplist
  • No label/synonym collisions with other diseases in this corpus
  • Publication count (378) is high for prevalence class "<1 / 1 000 000" — confidence capped at medium

Ingested 2026-07-27T14:11:32.070Z