A study of collimator differences in heart-mediastinum ratio in I-123 MIBG cardiac sympathetic nerve scintigraphy

A study of collimator differences in heart-mediastinum ratio in I-123 MIBG cardiac sympathetic nerve scintigraphy - A study of collimator differences in heart-mediastinum ratio in I-123 MIBG cardiac sympathetic nerve scintigraphy

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057573

Enrollment

Registered

2025-04-10

Start date

2025-04-04

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

none

Interventions

The examination time is extended by 10 minutes before and after the regular examination (total of 20 minutes), and the examination is performed using multiple collimators.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing cardiac sympathetic scintigraphy for the evaluation of neurodegenerative diseases based on clinical need

Exclusion criteria

Exclusion criteria: none

Design outcomes

Primary

Measure	Time frame
Comparison of collimators in heart-mediastinum ratio using point source correction method	—

Countries

Japan

Contacts

Public ContactKOHEI MITSUI

Kitasato University School of Medicine Department of Diagnostic Radiology

mitsui.kohei@kitasato-u.ac.jp042-778-7903

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026