# Prophylactic Antibiotic Regimens in Tumor Surgery (PARITY)

> **NCT01479283** · PHASE3 · COMPLETED · sponsor: **McMaster University** · enrollment: 602 (actual)

## Conditions studied

- Infection
- Bone Neoplasms

## Interventions

- **DRUG:** 24-Hour Prophylactic Cefazolin* Antibiotic Regimen
- **DRUG:** 5-Days Prophylactic Cefazolin* Antibiotic Regimen

## Key facts

- **NCT ID:** NCT01479283
- **Lead sponsor:** McMaster University
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-01
- **Primary completion:** 2021-03
- **Final completion:** 2021-03
- **Target enrollment:** 602 (ACTUAL)
- **Last updated:** 2021-03-11

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01479283

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01479283, "Prophylactic Antibiotic Regimens in Tumor Surgery (PARITY)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01479283. Licensed CC0.

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