# MRI-Based Screening in a Retrospective Cohort Reveals Adverse Prognosis of Asymptomatic Perianal Fistulas in Crohn's Disease: A Long-term Follow-Up Study

> **NCT07555808** · — · COMPLETED · sponsor: **Sixth Affiliated Hospital, Sun Yat-sen University** · enrollment: 669 (actual)

## Conditions studied

- Crohn's Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07555808
- **Lead sponsor:** Sixth Affiliated Hospital, Sun Yat-sen University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-01-01
- **Primary completion:** 2019-12-31
- **Final completion:** 2026-01-01
- **Target enrollment:** 669 (ACTUAL)
- **Last updated:** 2026-04-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07555808

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07555808, "MRI-Based Screening in a Retrospective Cohort Reveals Adverse Prognosis of Asymptomatic Perianal Fistulas in Crohn's Disease: A Long-term Follow-Up Study". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT07555808. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*