# The Effect of Methylene Blue Infiltrating Injection on Anal Pain After Milligan-Morgan Surgery: A Randomized Controlled Clinical Study

> **NCT06660680** · PHASE3 · ENROLLING_BY_INVITATION · sponsor: **The Second Affiliated Hospital of Anhui University of Traditional Chinese Medicine** · enrollment: 60 (estimated)

## Conditions studied

- Mixed Hemorrhoids

## Interventions

- **DRUG:** Methylene Blue

## Key facts

- **NCT ID:** NCT06660680
- **Lead sponsor:** The Second Affiliated Hospital of Anhui University of Traditional Chinese Medicine
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2024-10-25
- **Primary completion:** 2025-10-01
- **Final completion:** 2025-10-01
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2024-10-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06660680

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06660680, "The Effect of Methylene Blue Infiltrating Injection on Anal Pain After Milligan-Morgan Surgery: A Randomized Controlled Clinical Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06660680. Licensed CC0.

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