# Antibiotic Treatment foLlowing Surgical drAinage of Perianal abScess; the ATLAS Trial

> **NCT05385887** · NA · UNKNOWN · sponsor: **dr. IJM Han-Geurts** · enrollment: 298 (estimated)

## Conditions studied

- Perianal Fistula
- Perianal Abscess
- Drain Abscess

## Interventions

- **DRUG:** Ciprofloxacin 500 mg
- **DRUG:** Metronidazole 500 mg
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT05385887
- **Lead sponsor:** dr. IJM Han-Geurts
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-12-23
- **Primary completion:** 2024-12-31
- **Final completion:** 2025-08-01
- **Target enrollment:** 298 (ESTIMATED)
- **Last updated:** 2023-11-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05385887

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05385887, "Antibiotic Treatment foLlowing Surgical drAinage of Perianal abScess; the ATLAS Trial". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05385887. Licensed CC0.

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