# Study on Repeat Liposomal Bupivacaine for Post-Surgery Pain in Anal Fistula Patients.

> **NCT07081373** · NA · RECRUITING · sponsor: **Sixth Affiliated Hospital, Sun Yat-sen University** · enrollment: 408 (estimated)

## Conditions studied

- Anal Fistula

## Interventions

- **DRUG:** A single dose of liposomal bupivacaine is administered at the conclusion of surgery without adjunctive analgesics, followed by a supplemental dose 72 hours postoperatively.

## Key facts

- **NCT ID:** NCT07081373
- **Lead sponsor:** Sixth Affiliated Hospital, Sun Yat-sen University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-07-16
- **Primary completion:** 2026-06-30
- **Final completion:** 2027-06-30
- **Target enrollment:** 408 (ESTIMATED)
- **Last updated:** 2025-07-23

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07081373

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07081373, "Study on Repeat Liposomal Bupivacaine for Post-Surgery Pain in Anal Fistula Patients.". Retrieved via AI Analytics 2026-09-08 from https://api.ai-analytics.org/clinical/NCT07081373. Licensed CC0.

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