# Does PAI Reduce Pain After TKA Among Knee Arthroplasty Patients Receiving ACB & IPACK?

> **NCT04749615** · PHASE4 · COMPLETED · sponsor: **Hospital for Special Surgery, New York** · enrollment: 94 (actual)

## Conditions studied

- Total Knee Athroplasty

## Interventions

- **DRUG:** Periarticular Injection (PAI)
- **DRUG:** Saline Control Periarticular Injection (PAI)

## Key facts

- **NCT ID:** NCT04749615
- **Lead sponsor:** Hospital for Special Surgery, New York
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-17
- **Primary completion:** 2022-04-01
- **Final completion:** 2022-07-01
- **Target enrollment:** 94 (ACTUAL)
- **Last updated:** 2024-12-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04749615

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04749615, "Does PAI Reduce Pain After TKA Among Knee Arthroplasty Patients Receiving ACB & IPACK?". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04749615. Licensed CC0.

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