In Vivo Antimicrobial Activity of Green Tea within Percutaneous Endoscopic Gastrostomy (PEG) Tubes: A Randomized Controlled Study

In Vivo Antimicrobial Activity of Green Tea within Percutaneous Endoscopic Gastrostomy (PEG) Tubes: A Randomized Controlled Study - In Vivo Antimicrobial Activity of Green Tea within Percutaneous Endoscopic Gastrostomy (PEG) Tubes

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015259

Enrollment

Registered

2014-09-26

Start date

2014-10-01

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

Patients who require percutaneous endoscopic gastrostomy (PEG) insertion

Interventions

After feeding, nurses rinse within the PEG tube by water, and inject 15ml green tea for 3 weeks. Tea catechins-enriched beverage is used. usual care

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients aged over 65 years who require percutaneous endoscopic gastrostomy (PEG) insertion at Hitachikoh Hospital in Japan

Exclusion criteria

Exclusion criteria: Patients who take ferric medicine, are restless, and/or have sleep disturbance

Design outcomes

Primary

Measure	Time frame
Strains of bacterial colonies Number of bacterial colonies	—

Countries

Japan

Contacts

Public ContactAkiyo Sasaki-Otomaru

Yokohama City University School of Medicine

sakiahs@yokohama-cu.ac.jp045-787-2525

Outcome results

None listed

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