Establishment and validation of risk assessment model for poor bowel cleansing in Beijing

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000040817

Enrollment

Unknown

Registered

2020-12-11

Start date

2019-01-01

Completion date

Unknown

Last updated

2021-04-12

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

Conditions

colorectal neoplasia

Interventions

Gold Standard:Clinical outcomes

Index test:Risk&#32

assessment&#32

model&#32

for&#32

poor&#32

bowel&#32

cleansing&#32

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: Patients with colonoscopy indications who undergo diagnostic colonoscopy; sign written informed consent.

Exclusion criteria

Exclusion criteria: 1) Patients with severe primary diseases with heart, cerebrovascular, liver, kidney, hematopoietic system; 2) Patients with mental illness and persons with intellectual or language impairments; 3) pregnant or preparing pregnant or lactating women; 4) Patients participated in other clinical trials within 3 months; 5) Allergies and those who are allergic to the test drug. 6) The doctor determines that it is not appropriate to participate in the clinical trial.

Design outcomes

Primary

Measure	Time frame
Boston bowel preparation score;SEN, SPE, ACC, AUC of ROC, PV+, PV-;SEN, SPE, ACC, AUC of ROC, PV+, PV-;	—

Countries

China

Contacts

Public ContactZhou Qiaozhi

Beijing Friendship Hospital, Capital Medical University

zhouqzh@sina.com+86 13681403519

Outcome results

None listed

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