# Antibiotics After Incision and Drainage to Prevent Fistula Formation After First Episode of Perianal Abscess

> **NCT07704359** · PHASE4 · NOT_YET_RECRUITING · sponsor: **University of Illinois at Chicago** · enrollment: 236 (estimated)

## Conditions studied

- Perianal Abscess
- Anal Fistula

## Interventions

- **DRUG:** Amoxicillin + Clavulanate
- **DRUG:** Ciprofloxacin + Metronidazole

## Key facts

- **NCT ID:** NCT07704359
- **Lead sponsor:** University of Illinois at Chicago
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-10-05
- **Primary completion:** 2029-02-03
- **Final completion:** 2029-08-03
- **Target enrollment:** 236 (ESTIMATED)
- **Last updated:** 2026-09-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07704359

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07704359, "Antibiotics After Incision and Drainage to Prevent Fistula Formation After First Episode of Perianal Abscess". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07704359. Licensed CC0.

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