# A Single-Center Observational Study on the Impact of Symptom Assessment Timing on the Short-Term Efficacy of 5-ASA Therapy in Patients With Initial-Onset or Relapsed Mild-to-Moderate Active Ulcerative Colitis

> **NCT06998693** · — · COMPLETED · sponsor: **Xijing Hospital of Digestive Diseases** · enrollment: 180 (actual)

## Conditions studied

- Ul

## Interventions

- **DRUG:** 5-ASA (5-Aminosalicylate)
- **PROCEDURE:** Colon Endoscopy Procedure
- **DIAGNOSTIC_TEST:** Blood Routine Test at 4-week
- **DIAGNOSTIC_TEST:** Blood Routine Test at 8-week
- **DIAGNOSTIC_TEST:** Blood Routine Test at 12-week
- **DIAGNOSTIC_TEST:** Stool Routine Test at 4-week
- **DIAGNOSTIC_TEST:** Stool Routine Test at 8-week
- **DIAGNOSTIC_TEST:** Stool Routine Test at 12-week
- **DIAGNOSTIC_TEST:** Erythrocyte Sedimentation Rate Test at 4-week
- **DIAGNOSTIC_TEST:** Erythrocyte Sedimentation Rate Test at 8-week
- **DIAGNOSTIC_TEST:** Erythrocyte Sedimentation Rate Test at 12-week
- **DIAGNOSTIC_TEST:** C-reactive Protein Test at 4-week
- **DIAGNOSTIC_TEST:** C-reactive Protein Test at 8-week
- **DIAGNOSTIC_TEST:** C-reactive Protein Test at 12-week
- **DIAGNOSTIC_TEST:** Liver Function Test at 4-week
- **DIAGNOSTIC_TEST:** Liver Function Test at 8-week
- **DIAGNOSTIC_TEST:** Liver Function Test at 12-week
- **DIAGNOSTIC_TEST:** Kidney Function Test at 4-week
- **DIAGNOSTIC_TEST:** Kidney Function Test at 8-week
- **DIAGNOSTIC_TEST:** Kidney Function Test at 12-week

## Key facts

- **NCT ID:** NCT06998693
- **Lead sponsor:** Xijing Hospital of Digestive Diseases
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2024-08-01
- **Primary completion:** 2025-08-31
- **Final completion:** 2025-09-30
- **Target enrollment:** 180 (ACTUAL)
- **Last updated:** 2025-11-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06998693

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06998693, "A Single-Center Observational Study on the Impact of Symptom Assessment Timing on the Short-Term Efficacy of 5-ASA Therapy in Patients With Initial-Onset or Relapsed Mild-to-Moderate Active Ulcerative Colitis". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT06998693. Licensed CC0.

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