# ED90 of 0.75% Bupivacaine for Bilateral Tubal Ligation (BTL)

> **NCT05017584** · PHASE4 · WITHDRAWN · sponsor: **Duke University**

## Conditions studied

- Pain

## Interventions

- **DRUG:** Hyperbaric bupivacaine

## Key facts

- **NCT ID:** NCT05017584
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2023-01
- **Primary completion:** 2024-01-01
- **Final completion:** 2024-01-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study halted prematurely, prior to enrollment of first participant
- **Last updated:** 2022-05-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05017584

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05017584, "ED90 of 0.75% Bupivacaine for Bilateral Tubal Ligation (BTL)". Retrieved via AI Analytics 2026-07-04 from https://api.ai-analytics.org/clinical/NCT05017584. Licensed CC0.

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