UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000053576
Receipt number R000061137
Scientific Title Nationwide survey on visceral AVMs associated with Osler's disease (Hereditary Hemorrhagic Telangiectasia) (a multi-center, retrospective study)
Date of disclosure of the study information 2024/02/14
Last modified on 2025/02/08 09:06:04

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Basic information

Public title

Nationwide survey on visceral AVMs associated with Osler's disease (Hereditary Hemorrhagic Telangiectasia)
(a multi-center, retrospective study)

Acronym

Nationwide survey on visceral AVMs associated with Osler's disease (HHT)

Scientific Title

Nationwide survey on visceral AVMs associated with Osler's disease (Hereditary Hemorrhagic Telangiectasia)
(a multi-center, retrospective study)

Scientific Title:Acronym

Nationwide survey on visceral AVMs associated with Osler's disease (HHT)

Region

Japan


Condition

Condition

Osler's disease (Hereditary Hemorrhagic Telangiectasia)

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The purpose of this study is to investigate the presence of visceral AVMs in HHT patients, their symptoms and treatments, and the correlation with the results of genetic testing in Japan.

Basic objectives2

Others

Basic objectives -Others

In this study, the frequency of AVM/AVF in each organ associated with HHT and the relationship with the results of genetic testing will be collected jointly at HHT treatment centers in Japan, which will provide meaningful findings that can be fed back to clinical practice, enabling physicians to offer appropriate testing and treatment and provide very useful information for systemic disease management in HHT patients in Japan.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The prevalence of visceral AVMs, symptomatic prevalence, and the proportion of patients treated for them will be analyzed to assess the frequency of HHT-associated visceral AVMs in Japan. In addition, for those for which genetic test results are available, we will analyze the prevalence of HHT1 (ENG gene mutation) and HHT2 (ACVRL1 gene mutation) in terms of the prevalence of visceral AVMs, symptomatic prevalence, and the proportion of patients treated for them. The differences in visceral AVMs by HHT subtype will also be evaluated.

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

Patients who visited HHT clinics participating in this study between January 1, 2022 and December 31, 2022, and met either of the following two conditions
(a) Patients met 3 or 4 of the Curacao criteria for clinical diagnosis of HHT.
(b) The HHT gene test showed pathogenic mutations in the ENG gene, ACVRL1 gene, or SMAD4 gene.

Key exclusion criteria

1 Patients with insufficient medical information
2 Patients deemed inappropriate by the principal investigator or subinvestigator to conduct this study

Target sample size

500


Research contact person

Name of lead principal investigator

1st name Takenori
Middle name
Last name Akiyama

Organization

School of Medicine, Keio University

Division name

Department of Neurosurgery

Zip code

160-8582

Address

Shinanomachi 35, Shinjuku-ku, Tokyo

TEL

+81-3-3353-1211

Email

akiyamanor@gmail.com


Public contact

Name of contact person

1st name Takeo
Middle name
Last name Nishida

Organization

Hyogo Prefectural Nishinomiya Hospital

Division name

Department of Neurosurgery

Zip code

662-0918

Address

Rokutanji-cho 13-9, Nishinomiya, Hyogo

TEL

+81-798-34-5151

Homepage URL


Email

takeonsd@gmail.com


Sponsor or person

Institute

Keio University

Institute

Department

Personal name



Funding Source

Organization

Self funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University, ethics committee

Address

Shinanomachi 35, Shinjuku-ku, Tokyo

Tel

+81-3-3353-1211

Email

https://www.ctr.med.keio.ac.jp/forms/


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

2024 Year 02 Month 14 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

722

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

No longer recruiting

Date of protocol fixation

2023 Year 12 Month 15 Day

Date of IRB

2024 Year 01 Month 30 Day

Anticipated trial start date

2024 Year 02 Month 14 Day

Last follow-up date

2025 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

The purpose of this study is to investigate the presence of visceral AVMs in HHT patients, their symptoms and treatments, and the correlation with the results of genetic testing in Japan.


Management information

Registered date

2024 Year 02 Month 08 Day

Last modified on

2025 Year 02 Month 08 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000061137