# Development and External Validation of a Machine Learning Model for Pre-Endoscopic Prediction of Montreal Disease Extent (E1/E2/E3) in Ulcerative Colitis Using Symptoms, Signs, and Laboratory Tests: A Multicenter Retrospective Observational Study

> **NCT07721987** · — · ACTIVE_NOT_RECRUITING · sponsor: **Beijing University of Chinese Medicine** · enrollment: 1500 (estimated)

## Conditions studied

- Ulcerative Colitis (Disorder)

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07721987
- **Lead sponsor:** Beijing University of Chinese Medicine
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2015-11-20
- **Primary completion:** 2026-08-01
- **Final completion:** 2026-09-01
- **Target enrollment:** 1500 (ESTIMATED)
- **Last updated:** 2026-08-18

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07721987

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07721987, "Development and External Validation of a Machine Learning Model for Pre-Endoscopic Prediction of Montreal Disease Extent (E1/E2/E3) in Ulcerative Colitis Using Symptoms, Signs, and Laboratory Tests: A Multicenter Retrospective Observational Study". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07721987. Licensed CC0.

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