A prospective observational study of the national survey of Cowden syndrome/PTEN Hamartoma Tumor Syndrome (PHTS)

A prospective observational study of the national survey of Cowden syndrome/PTEN Hamartoma Tumor Syndrome (PHTS) - A prospective observational study of the national survey of Cowden syndrome/PTEN Hamartoma Tumor Syndrome (PHTS)

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000047993

Enrollment

100

Registered

2022-07-01

Start date

2022-03-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cowden syndrome/PTEN Hamartoma Tumor Syndrome (PHTS)

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Cowden syndrome/PHTS patients 2. Age 16 or over

Exclusion criteria

Exclusion criteria: The patients who do not give informed consent.

Design outcomes

Primary

Measure	Time frame
To clarify prevalence, manifestation, complication, characteristics, and others of Cowden syndrome/PHTS patients in Japan.	—

Secondary

Measure	Time frame
Frequency of carcinogenesis	—

Countries

Japan

Contacts

Public ContactKoichi Okamoto

Department of Gastroenterology and Oncology, Institute of Biomedical Sciences, Tokushima University Gastroenterology and Oncology

okamoto.koichi@tokushima-u.ac.jp0886337124

Outcome results