Nationwide research of relationship between health and cell phone usage - Case-only study on patients with acoustic neuroma

Nationwide research of relationship between health and cell phone usage - Case-only study on patients with acoustic neuroma - Nationwide research of relationship between health and cell phone usage

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000000520

Enrollment

500

Registered

2006-11-11

Start date

2005-12-01

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

Acoustic neuroma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with acoustic neuroma, whose first medical examination day was after January 1, 2000. Cases whose tissue diagnosis or image diagnosis was used. Cases whose names of the diseases were informed to the patients. Cases whose informed consent is obtained.

Exclusion criteria

Exclusion criteria: Those who deceased are excluded.

Design outcomes

Primary

Measure	Time frame
The relation between cell phone use (ear used, right or left) and places of acoustic neuroma (right or left).	—

Countries

Japan

Contacts

Public ContactYasuto Sato

Tokyo Women's Medical University Hygiene and public health II

Outcome results