Direct injection of 1L hypertonic polyethylene glycol to gastrointestinal tract using transnasal endoscopy as bowel preparation for colonoscopy; single arm prospective study.

Direct injection of 1L hypertonic polyethylene glycol to gastrointestinal tract using transnasal endoscopy as bowel preparation for colonoscopy; single arm prospective study. - Direct injection of 1L hypertonic polyethylene glycol to gastrointestinal tract using transnasal endoscopy as bowel preparation for colonoscopy; single arm prospective study.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018262

Enrollment

Registered

2015-07-09

Start date

2015-07-15

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

colonic disease

Interventions

A group of direct injection of 1L hypertonic polyethylene glycol to gastrointestinal tract using transnasal endoscopy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patiens who need to undergo both colonoscopy and esophagogastroduodenoscopy

Exclusion criteria

Exclusion criteria: 1)past medical hitory of gastrectomy 2)active colitis, inflammatory bowel disease 3)suspected stenosis of gastrointestinal tract 4)contraindication of transnasal endoscopy 5)detected active bleeding, stenosis or perforation during esophagogastroduodenoscopy 6)disagree to participate in this research with written informed consent 7)younger than 18yr 8)older than 74yr 9)severe comorbidity such as heart failure, liver cirrhosis or renal failure

Design outcomes

Primary

Measure	Time frame
Complication rate	—

Countries

Japan

Contacts

Public ContactAsai Satoshi

Tane General Hospital Gastroenterology

bonyaritetsu1226@hotmail.co.jp06-6581-1071

Outcome results

None listed

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