# Does Adding an Additional Numbing Medication Injection in the Thigh Help With Pain Control After Knee Replacement Surgery?

> **NCT03326999** · PHASE4 · COMPLETED · sponsor: **Icahn School of Medicine at Mount Sinai** · enrollment: 60 (actual)

## Conditions studied

- Knee Osteoarthritis
- Knee Rheumatism

## Interventions

- **DRUG:** Obturator nerve regional block
- **DRUG:** Adductor canal regional block
- **DRUG:** Saline

## Key facts

- **NCT ID:** NCT03326999
- **Lead sponsor:** Icahn School of Medicine at Mount Sinai
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-12-11
- **Primary completion:** 2018-12-18
- **Final completion:** 2018-12-18
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2020-09-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03326999

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03326999, "Does Adding an Additional Numbing Medication Injection in the Thigh Help With Pain Control After Knee Replacement Surgery?". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT03326999. Licensed CC0.

---

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