Evidence map›Paper›PMID 40410908›Full record

ArticleOrphanet journal of rare diseases2025

Epidemiological insights and healthcare challenges of tuberous sclerosis complex in Shizuoka Prefecture: a retrospective cohort study.

Satoshi Kishida, Eiji Nakatani, Takeshi Usui, Shuhei Fujimoto, Seiichiro Yamamoto, Yoshiki Miyachi

Abstract read
In one paragraph

Article in Orphanet journal of rare diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Tuberous sclerosis complex.Nature reviews. Disease primers · 2026
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Satoshi KishidaGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan.
Eiji NakataniGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan.
Takeshi UsuiGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan.
Shuhei FujimotoGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan. sfujimoto@s-sph.ac.jp.
Seiichiro YamamotoGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan.
Yoshiki MiyachiGraduate School of Public Health, Shizuoka Graduate University of Public Health, 4-27-2 Kitaando, Aoi-ku, Shizuoka, 420-0881, Japan.

Funding

Shizuoka Prefecture Nothing
6 · The paper itself

Abstract

backgroundTuberous sclerosis complex (TSC) is a rare genetic disorder characterized by benign tumors in multiple organs, leading to significant morbidity. Despite its recognition as a rare disease in Japan, comprehensive regional epidemiological data are lacking, hindering effective healthcare resource allocation and the development of targeted therapies. This study aimed to determine the prevalence and epidemiological characteristics of TSC in Shizuoka Prefecture and assess the associated healthcare burden.

methodsWe conducted a retrospective cohort study using data from the Shizuoka Kokuho Database, covering approximately 2.4 million residents over an 8.5-year period (April 2012-September 2020). TSC cases were identified using the International Classification of Diseases, 10th Revision (ICD-10) code Q85.1. Adjusted prevalence rates were calculated, and analyses were performed on patient demographics, healthcare utilization, comorbidities, and treatment patterns. Comparisons with the general population were made to assess differences in neurological and renal complications.

resultsA total of 125 patients diagnosed with TSC were identified, resulting in an adjusted prevalence rate of 10.2 per 100,000. Diagnosis rates increased after 2012, likely due to revised diagnostic criteria and the introduction of mammalian target of rapamycin (mTOR) inhibitors. Patients with TSC exhibited substantial healthcare utilization and significantly higher rates of neurological and renal complications compared to the general population. Disease prevalence was notably higher among young males and varied across different age groups.

conclusionsThe higher prevalence of TSC observed in Shizuoka Prefecture suggests potential underestimation in other regions. The findings underscore the need for enhanced diagnostic strategies, including widespread genetic testing and updated treatment protocols, to effectively manage the diverse manifestations of TSC. Continuous epidemiological monitoring and adaptive healthcare policies are essential to improve timely diagnosis and the overall quality of life for patients with TSC. This study supports the necessity of patient-centered approaches in managing chronic rare diseases.

Indexed as

Tuberous SclerosisAdolescentAdultAgedChildChild, PreschoolCohort StudiesFemaleHumansInfantJapanMaleMiddle AgedPrevalenceRetrospective StudiesYoung AdultDiagnostic strategiesEpidemiologyMammalian target rapamycin inhibitorsPrevalenceShizuoka PrefectureTuberous sclerosis complex

Identifiers

PMID40410908
PMCPMC12103018

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Registered trials

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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 OpenQuestion graph.