Demonstration of salivary flow from the parotid gland by MRI using the time-spatial labeling inversion pulse (Time-SLIP) technique: Feasibility study in normal volunteers

Demonstration of salivary flow from the parotid gland by MRI using the time-spatial labeling inversion pulse (Time-SLIP) technique: Feasibility study in normal volunteers - Demonstration of salivary flow using Time-SLIP

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017511

Enrollment

Registered

2015-05-15

Start date

2015-04-01

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

normal volunteers

Interventions

We scanned the parotid duct 23 times at identical intervals. To stimulate salivary secretion we injected 1 mL of 2% citric acid into the mouth before scans 4, 8, 12, 16, and 20.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: normal volunteers without salivary disease

Exclusion criteria

Exclusion criteria: contraindication for MRI (claustrophobia and metal in the body)

Design outcomes

Primary

Measure	Time frame
We scored visualization of the parotid duct on the flow images.	—

Countries

Japan

Contacts

Public ContactWataru Fukumoto

Hiroshima University Department of Diagnostic Radiology

wfukumoto@hiroshima-u.ac.jp082-257-5257

Outcome results

None listed

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