UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061103
Receipt number R000069915
Scientific Title Establishment of a registry to contribute to the prevention of cardiovascular events in pediatric patients with suspected or confirmed familial hypercholesterolemia and their families.
Date of disclosure of the study information 2026/03/30
Last modified on 2026/03/30 12:33:09

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Basic information

Public title

Establishment of a registry to contribute to the prevention of cardiovascular events in pediatric patients with suspected or confirmed familial hypercholesterolemia and their families.

Acronym

Establishment of a registry to contribute to the prevention of cardiovascular events in pediatric patients with suspected or confirmed familial hypercholesterolemia and their families.

Scientific Title

Establishment of a registry to contribute to the prevention of cardiovascular events in pediatric patients with suspected or confirmed familial hypercholesterolemia and their families.

Scientific Title:Acronym

Establishment of a registry to contribute to the prevention of cardiovascular events in pediatric patients with suspected or confirmed familial hypercholesterolemia and their families.

Region

Japan


Condition

Condition

Familial Hypercholesterolemia

Classification by specialty

Medicine in general Cardiology

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

Clinical data, including genetic testing results and lipid profiles, of pediatric patients with confirmed or suspected familial hypercholesterolemia will be prospectively collected and followed as part of a registry study.

Basic objectives2

Others

Basic objectives -Others

We will establish a registry targeting patients and children identified with elevated low-density lipoprotein cholesterol (LDL-C) through the Kagawa Prefecture pediatric lifestyle disease prevention screening program and other health checkups, as well as their family members, who are diagnosed with or suspected of having familial hypercholesterolemia (FH). This registry will longitudinally collect and accumulate disease-related data, with the aim of contributing to the generation of evidence derived from early treatment in pediatric FH patients and from the prompt diagnosis and treatment of affected family members.

Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Age
Sex
Medical history
Family history of familial hypercholesterolemia (FH) or premature coronary artery disease
Height
Weight
Foot size
Blood pressure and heart rate
Body mass index (BMI)
Presence of tendon xanthomas or cutaneous nodular xanthomas
Lipid-lowering therapy (medication status): type of medication, start date, and discontinuation date
Lipid-lowering therapy (adverse effects): type of adverse effects (e.g., liver dysfunction, elevated creatine phosphokinase (CPK), others)
Carotid ultrasonography findings: intima-media thickness (IMT), presence of carotid plaque, and carotid stenosis
Pulse wave velocity / arterial stiffness assessment
Achilles tendon assessment (ultrasonography and/or X-ray)
Presence of cardiovascular events
Genetic testing
Laboratory tests (blood and urine analyses)

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Among patients and children identified with elevated LDL-C through the Kagawa Prefecture pediatric lifestyle disease prevention screening program and other health checkups, as well as their family members, those who are diagnosed with or suspected of having familial hypercholesterolemia (FH) according to the most recent diagnostic criteria of the Japanese Atherosclerosis Society (JAS) guidelines for FH or pediatric FH will be evaluated. The fulfillment of the latest guideline criteria will be confirmed through interviews with the patients or children, or directly with their family members, as well as through clinical examination.

Key exclusion criteria

Patients and children diagnosed with hyper LDL cholesterolemia other than familial hypercholesterolemia (FH), including secondary causes of elevated LDL-C, will be excluded. The diagnosis of secondary hyper LDL cholesterolemia will be based on the identification of underlying conditions such as diabetes mellitus, hypothyroidism, nephrotic syndrome, and cholestatic liver disease or medication-related causes (e.g., corticosteroids), assessed through blood tests and medication history.

Target sample size

800


Research contact person

Name of lead principal investigator

1st name Tetsuo
Middle name
Last name Minamino

Organization

Faculty of Medicine, Kagawa University

Division name

Department of Cardiorenal and Cerebrovascular Medicine

Zip code

761-0793

Address

1750-1 Ikenobe, Mikicho, Kita-gun, Kagawa

TEL

087-891-2150

Email

minamino.tetsuo.gk@kagawa-u.ac.jp


Public contact

Name of contact person

1st name Tomoko
Middle name
Last name Inoue

Organization

Faculty of Medicine, Kagawa University

Division name

Department of Cardiorenal and Cerebrovascular Medicine

Zip code

761-0793

Address

1750-1 Ikenobe, Mikicho, Kita-gun, Kagawa

TEL

087-891-2150

Homepage URL


Email

inoue.tomoko@kagawa-u.ac.jp


Sponsor or person

Institute

Kagawa University

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Clinical Research Support Center, Kagawa University Hospital

Address

1750-1 Ikenobe, Mikicho, Kita-gun, Kagawa

Tel

087-898-5111

Email

chiken-m@kagawa-u.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 03 Month 30 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2025 Year 05 Month 27 Day

Date of IRB

2025 Year 05 Month 27 Day

Anticipated trial start date

2025 Year 11 Month 01 Day

Last follow-up date

2034 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Familial hypercholesterolemia (FH) is an autosomal dominant disorder mainly caused by mutations in LDL receptor-related genes. Patients with FH have markedly elevated LDL cholesterol (LDL-C) levels from birth. If untreated, FH is associated with premature coronary artery disease and reduced life expectancy. Heterozygous FH affects approximately 1 in 300 individuals. Because atherosclerosis may progress from childhood and its progression can be slowed by treatment, early diagnosis and treatment of pediatric FH are important.
In Kagawa Prefecture, a pediatric lifestyle disease prevention screening program is conducted throughout the prefecture. Every year, all fourth-grade elementary school students, about 8,000 children, undergo blood testing including LDL-C measurement, with a participation rate of over 90%. This has established a prefecture-wide universal pediatric lipid screening system, which is unique in Japan and provides a valuable opportunity to accumulate large-scale data.
In this study, we will longitudinally follow children suspected of having FH through this screening program and other health checkups, as well as their family members, and establish a registry. This registry may contribute to better treatment strategies for pediatric FH, earlier diagnosis of affected family members, risk prediction in children based on parental clinical features, early personalized medicine, and the development of a regional support system involving local governments, medical associations, and core hospitals.


Management information

Registered date

2026 Year 03 Month 30 Day

Last modified on

2026 Year 03 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069915