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The Impact of RNA Polymerase III–Related Leukodystrophy on Nonaffected Family Members: A Qualitative Study

2025· article· en· W4417399541 on OpenAlexafffund
Adam Le, Kelly-Ann Thibault, Pouneh Amir-Yazdani, Alexandra Chapleau, Romy J. van Voorst, Enrico Bertini, Francesco Nicita, Daniela Pohl, Sunita Venkateswaran, Stephanie Keller, Deborah L. Renaud, Dolores González Morón, Marcelo Kauffman, Danilo de Assis Pereira, Adeline Vanderver, Marjo S. van der Knaap, Maxime Morsa, Geneviève Bernard

Bibliographic record

VenuePediatric Neurology · 2025
Typearticle
Languageen
FieldMedicine
TopicNeurogenetic and Muscular Disorders Research
Canadian institutionsChildren's Hospital of Western OntarioLondon Health Sciences CentreWestern UniversityMcGill UniversityChildren's Hospital of Eastern OntarioUniversity of OttawaMcGill University Health Centre
FundersNational Institute of Neurological Disorders and StrokeFondation de l'Hôpital de Montréal pour enfantsChildren's Hospital FoundationRare Diseases Clinical Research NetworkCanadian Institutes of Health ResearchMcGill University Health CentreNational Center for Advancing Translational SciencesFonds de Recherche du Québec - SantéMinistero della SaluteMcGill University
KeywordsLeukodystrophyQualitative researchRNAQualitative analysisMEDLINEPolymerase chain reaction

Abstract

fetched live from OpenAlex

BACKGROUND: RNA polymerase III-related hypomyelinating leukodystrophy (POLR3-HLD) is a rare, neurodegenerative, brain white matter disorder characterized by hypomyelination, hypodontia, and hypogonadotropic hypogonadism. Due to the complex and progressive nature of this disorder, parents and siblings of patients face many potential challenges and stressors. We, therefore, sought to explore parents' and siblings' experiences to understand their specific needs and identify modifiable factors to limit familial burden and improve their quality of life. METHODS: We conducted semistructured interviews with parents and siblings of patients with POLR3-HLD. Interview questions focused on the financial, emotional, and psychosocial impacts on parents, as well as siblings' relationship with their affected sibling and the psychosocial impacts they may have experienced. All interviews were recorded, transcribed, and analyzed using reflexive thematic analysis. Through the coding process, themes surrounding the impact on and experiences of parents and siblings were developed. RESULTS: Nineteen semistructured interviews with 24 parents and nine interviews with 9 siblings were completed between March and October 2023 and February and May 2024, respectively. Four themes from parent interviews included extensive caregiver burden, emotional and psychosocial challenges, the importance of parental self-health, and comfort in the leukodystrophy community. Three themes from sibling interviews included the spectrum of emotional impacts, limited knowledge about POLR3-HLD, and adapting to their sibling's needs. CONCLUSIONS: This study provides a comprehensive understanding of the family experience, identifying the common challenges and specific needs of parents and siblings, highlighting areas of improvement in the global care offered to this vulnerable patient population.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.377
Threshold uncertainty score0.581

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.378
Teacher spread0.363 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes2
Has abstractyes

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