# Assessment of the Effect of Age on Duration of Analgesia From Single-shot Femoral Nerve Blocks

> **NCT04495413** · — · UNKNOWN · sponsor: **University of Washington** · enrollment: 100 (estimated)

## Conditions studied

- Analgesia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04495413
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-15
- **Primary completion:** 2022-06-15
- **Final completion:** 2022-06-15
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2021-09-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04495413

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04495413, "Assessment of the Effect of Age on Duration of Analgesia From Single-shot Femoral Nerve Blocks". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04495413. Licensed CC0.

---

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