Bacterial contamination of duodenoscopes with disposable distal cap and duodenoscopes with fixed distal cap after manual cleaning

Comparison of bacterial contamination of duodenoscopes with disposable distal cap and duodenoscopes with fixed distal cap after manual cleaning using culture and adenosine triphosphate (ATP) testing

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20210719005

Enrollment

400

Registered

2021-07-19

Start date

2020-12-28

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

Duodenoscopes after manual cleaning (this study does not involve human patients) Duodenoscope, contamination, manual cleaning

Interventions

Disposable distal cap duodenoscopes,Fixed distal cap duodenoscopes

Prevention,Prevention

TJF-Q190V,TJF-Q180V

Eligibility

Sex/Gender

All

Age

15 Years to 95 Years

Inclusion criteria

Inclusion criteria: All duodenoscopes with disposable distal cap (TJF-Q190V) and duodenoscopes with fixed distal cap (TJF-Q180V) used for ERCP procedures

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Bacterial contamination after manual cleaning Culture positivity	—

Secondary

Measure	Time frame
Organic residue contamination after manual cleaning ATP test	—

Countries

Thailand

Contacts

Public ContactWiriyaporn Ridtitid

Chulalongkorn University

wiriyaporn_r@yahoo.com022564265

Outcome results

None listed

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