ArticleJournal of neurology2025
Prevalence of hereditary transthyretin amyloidosis in CIDP patients with red flags: a multicenter genetic screening and misdiagnosis analysis.
Article in Journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
3 citing papers in PubMed.
- The role of "red flags" in the diagnostic work-up of hereditary transthyretin amyloidosis: a study using a machine-learning approach.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Article
- Contemporary Description of Clinical Characteristics and Outcomes in Patients with Hereditary ATTR Amyloidosis: Results from the Multicountry OverTTuRe Study.Cardiology and therapy · 2026Article
- Patient journey with Charcot-Marie-Tooth Disease - A German patient survey study.Orphanet journal of rare diseases · 2026Article
Corrections and comments
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Authors and funding
29 authors.
Funding
Abstract
backgroundHereditary transthyretin amyloidosis (ATTRv) is a rare, multisystemic disorder often presenting with peripheral neuropathy and can be misdiagnosed with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), especially in non-endemic areas. While clinical red flags have been proposed to aid diagnosis, their predictive value remains uncertain. This study prospectively assessed the prevalence of TTR variants in CIDP patients with red flags for ATTRv and retrospectively analyzed features of genetically confirmed ATTRv cases initially misdiagnosed as CIDP.
methodsThirteen Italian tertiary neuromuscular centers consecutively screened CIDP patients with at least one red flag for TTR gene variants. A retrospective analysis was also conducted on ATTRv patients initially misdiagnosed as CIDP, comparing clinical, electrophysiological, and treatment response features to confirmed CIDP cases.
resultsNo TTR variants were identified among 124 screened CIDP patients despite 65% presenting with ≥ 2 red flags and 14% not responding to standard therapies. Among 17 retrospectively identified ATTRv patients, 5 (29%) met electrodiagnostic criteria for CIDP. In nearly half, CIDP was diagnosed without fulfilling electrodiagnostic criteria or obtaining appropriate supportive investigations. Compared to confirmed CIDP patients, ATTRv cases exhibited significantly more red flags, later onset, more insidious and distal presentations, a progressive course, lower rates of demyelination criteria fulfillment, and no response to immunomodulatory therapy.
conclusionsRed flags alone have limited predictive value in specialized settings. However, ATTRv should be considered in distal, progressive, treatment-resistant neuropathies, especially with multisystem features. Greater diagnostic rigor and increased awareness in non-specialist settings is essential to reduce misdiagnosis and improve access to therapy.
Indexed as
Identifiers
40670759What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.