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Frontotemporal lobar degeneration: epidemiology, pathology, diagnosis and management
Seltman RE, Matthews BR.. CNS drugs, 2012-10-01
Topic: Risk, prevention and care in population studies
Frontotemporal lobar degeneration (FTLD) describes a spectrum of clinically, pathologically and genetically heterogeneous neurodegenerative disorders of unknown aetiology. FTLD spectrum disorders collectively represent a leading cause of early-onset dementia, with most cases presenting between 45 and 64 years of age. FTLD is characterized by progressive changes in behaviour, executive dysfunction and/or language impairment and can be differentiated clinically into three frontotemporal dementia (FTD) syndromes as follows: (i) behavioural variant (bvFTD); (ii) semantic dementia (SD); and (iii) progressive nonfluent aphasia (PNFA). Additionally, there is a significant clinical, pathological and genetic overlap between FTD and motor neuron disease/amyotrophic lateral sclerosis (FTD-ALS) and the atypical parkinsonian syndromes, progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS). bvFTD is characterized by progressive behavioural impairment and a decline in executive function with frontal lobe-predominant atrophy, SD by a loss of object knowledge with prominent anomia and asymmetrical atrophy of the anterior temporal lobes and PNFA by expressive or motor speech deficits with predominantly left peri-sylvian atrophy. Recent advances in molecular biology and immunohistochemical staining techniques have further classified the FTLD spectrum disorders based upon the predominant neuropathological protein into three main categories: (i) microtubule-associated protein tau (FTLD-TAU); (ii) TAR DNA-binding protein-43 (FTLD-TDP); and (iii) fused in sarcoma protein (FTLD-FUS). Up to 40% of FTD patients report a family history of neurodegenerative illness, and one-third to one-half of familial cases of FTD follow an autosomal dominant inheritance pattern. Mutations in MAPT, PGRN, TARDBP, VCP and CHMP2B have been described, along with a recently identified C9ORF72 hexanucleotide repeat expansion. To date, there are no US FDA-approved treatments or disease-modifying therapies for FTD. Pharmacological strategies have focused on neurotransmitter replacement and modulation for the treatment of behavioural, motor and cognitive symptoms of FTD, and include selective serotonin reuptake inhibitors (SSRIs), atypical antipsychotics, acetylcholinesterase inhibitors and glutamate NMDA receptor antagonists. At present, adequate management of FTD symptoms involves a combination of pharmacological therapy with behavioural, physical and environmental modification techniques.
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APA 7th
Seltman, R. E., & Matthews, B. R. (2012). Frontotemporal lobar degeneration: epidemiology, pathology, diagnosis and management. CNS drugs. https://doi.org/10.2165/11640070-000000000-00000
Vancouver
Seltman RE, Matthews BR. Frontotemporal lobar degeneration: epidemiology, pathology, diagnosis and management. CNS drugs. 2012. doi:10.2165/11640070-000000000-00000. PMID: 22950490.
BibTeX
@article{seltman2012-22950490,
author = {Seltman, R. E. and Matthews, B. R.},
title = {{Frontotemporal lobar degeneration: epidemiology, pathology, diagnosis and management}},
journal = {CNS drugs},
year = {2012},
doi = {10.2165/11640070-000000000-00000},
pmid = {22950490},
url = {https://doi.org/10.2165/11640070-000000000-00000}
}
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Key findings
- Additionally, there is a significant clinical, pathological and genetic overlap between FTD and motor neuron disease/amyotrophic lateral sclerosis (FTD-ALS) and the atypical parkinsonian syndromes, progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS). bvFTD is characterized by progressive behavioural impairment and a decline in executive function with frontal lobe-predominant atrophy, SD by a loss of object knowledge with prominent anomia and asymmetrical atrophy of the anterior temporal lobes and PNFA by expressive or motor speech deficits with predominantly left peri-sylvian atrophy.
Why it matters
This review covers the epidemiology, pathology, diagnosis and management of frontotemporal lobar degeneration, a leading cause of early-onset dementia. It is a descriptive overview and does not report testing of any treatment, cure or prevention.
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Study details
- Evidence strengthLow
How this study scored 43/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (CNS drugs) |
| Journal's citation record | 2 / 4 | CNS Drugs: journal h-index 164 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 2012 — within 20 year(s) of the newest study here |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 0 / 3 | Not stated whether this was studied in people — scores zero (not stated in the record — scored 0) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 5 / 7 | Cited 132 times (OpenAlex, 2026-10-10) |
| Citations per year | 3 / 5 | 8.2 citations a year over 16 year(s) since 2012 |
| Impact for its field and year | 4 / 6 | Cited 8.8× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 2 / 6 | Cited by 5 other studies in this library |
| Still being cited | 2 / 4 | Cited 15 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 3 / 4 | Last-listed author Brandy R. Matthews: h-index 53 (OpenAlex, whole career) |
| Institution's track record | 1 / 3 | Indiana University School of Medicine: institution h-index 784 (OpenAlex) |
| Multi-centre collaboration | 0 / 3 | OpenAlex lists 1 institution(s) in 1 country — scores zero (affiliation lists can be incomplete) |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 22950490) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Total | 43 / 100 | — |
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