Gastric Emptying Scintigraphy with Tc-99m Phytate

Radionuclide Tc-99m Phytate as Alternative to Gold Standard Tc-99m Sulphur Colloid in Gastric Emptying Scintigraphy Study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20200526004

Enrollment

Unknown

Registered

2020-05-26

Start date

2018-06-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Gastric disorders

Interventions

Tc&#45

99m sulphur colloid (37 MBq/1 mCi)&#44

added into an egg&#45

based meal,Tc&#45

99m phytate (37 MBq/1 mCi)&#44

based meal

Active Comparator Radiation,Experimental Radiation

99m sulphur colloid,Tc&#45

99m phytate

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Participants consist of normal healthy volunteers without any serious medical or surgical illnesses, no allergy to eggs, and consented for two separate sessions of GES (one with sulphur colloid, one with phytate).

Exclusion criteria

Exclusion criteria: Participants who have underlying medical illnesses that preclude them from undergoing procedures (including severe neurological and psychiatric conditions), allergy to eggs, and age less than 18 or above 80 years old.

Design outcomes

Primary

Measure	Time frame
Gastric emptying rates 4 hours (1/2-hour, 1-hour, 2-hour, 3-hour, 4-hour) Percentage of gastric meal retention (GMR; %)	—

Secondary

Measure	Time frame
Half-emptying rate T1/2 Time required by the stomach to empty 50% of the ingested meal (T1/2; minutes)	—

Contacts

Public ContactNorazlina Mat Nawi

Universiti Sains Malaysia

norazlina@usm.my+6097676576

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Gastric Emptying Scintigraphy with Tc&#45;99m Phytate