Study on the quality and tolerance evaluation of single low-dose bowel preparation for colonoscopy

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300072076

Enrollment

Unknown

Registered

2023-06-01

Start date

2022-01-01

Completion date

Unknown

Last updated

2023-06-12

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

Conditions

colorectal polyp

Interventions

Control group:1L PEG in the night before the day for colonoscopy and 2L PEG in the morning (7am-9am) on the day for colonoscopy

Experimental group:2L PEG in the morning (7am-9am) on the day for colonoscopy

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1) Patients over 18 years of age who were scheduled to undergo colonoscopy 2) Sign informed consent 3) No contraindications for colonoscopy

Exclusion criteria

Exclusion criteria: 1) Pregnant or lactating women 2) History of colorectal surgery 3) Severe renal failure (serum creatinine =3mg/dl) 4) Allergic to polyethylene glycol (intestinal preparation drug) 5) Severe mental illness that prevents the informed consent form from being signed 6) Constipation

Design outcomes

Primary

Measure	Time frame
Boston bowel preparation score;	—

Secondary

Measure	Time frame
Adenoma detection rate;	—

Countries

China

Contacts

Public ContactWei Jian

Beijing friendship hospital, capital medical university

dr.guf@ccmu.edu.cn+86 159 0159 3816

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026