Efficacy of Same-day Split-dose Compound Polyethylene Glycol Electrolyte for Bowel Preparation: A Prospective Randomized Controlled Trial

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200063141

Enrollment

Unknown

Registered

2022-08-31

Start date

2022-09-01

Completion date

Unknown

Last updated

2023-04-12

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

Conditions

Colorectal Adenomas

Interventions

Group A:At 6:00 am on the day of colonoscopy, dissolve 1 pack of half compound polyethylene glycol electrolyte powder and half bottle of methylene silicone oil in 1.5L of water and drink it before 7:3

Group B:On the day of colonoscopy, dissolve three package of compound polyethylene glycol electrolyte powder and 1 bottle of simethicone in 3L water at 8:00 a.m., and drink it before 11:00 a.m

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. No gender limit, aged 18-80 years; 2. Willing to undergo colonoscopy; 3. Sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Allergic to liga silicone oil; 2. Colectomy; 3. Familial polyposis; 4. P-J syndrome; 5. Pregnancy; 6. Inflammatory bowel disease (IBD); 7. Colon cancer.

Design outcomes

Primary

Measure	Time frame
Boston bowel preparation scale, BBPS;Advent events;	—

Secondary

Measure	Time frame
Adenoma detection rate, ADR;polyp detection rate, PDA;Cecal intubation rate, CIT;Withdrawal time, WT;	—

Countries

China

Contacts

Public ContactWang Lisheng

wangls168@163.com+86 13714725662

Outcome results

None listed

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