# Mepivacaine Versus Bupivacaine Onset Time in Ultrasound-guided Ankle Blocks

> **NCT05425979** · PHASE4 · ENROLLING_BY_INVITATION · sponsor: **Mayo Clinic** · enrollment: 50 (estimated)

## Conditions studied

- Ankle Block
- Foot Surgery

## Interventions

- **DRUG:** Mepivacaine
- **DRUG:** Bupivacaine

## Key facts

- **NCT ID:** NCT05425979
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2024-03-11
- **Primary completion:** 2026-12-31
- **Final completion:** 2027-03-30
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2025-08-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05425979

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05425979, "Mepivacaine Versus Bupivacaine Onset Time in Ultrasound-guided Ankle Blocks". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05425979. Licensed CC0.

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