# Risk Factors for Piperacillin/Tazobactam Resistance in Extended-Spectrum Beta-Lactamase (ESBL) Producing Organisms

> **NCT00573521** · — · COMPLETED · sponsor: **University of Pittsburgh** · enrollment: 450 (actual)

## Conditions studied

- Enterobacteriaceae Infections

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00573521
- **Lead sponsor:** University of Pittsburgh
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-11
- **Primary completion:** 2017-06
- **Final completion:** 2017-06
- **Target enrollment:** 450 (ACTUAL)
- **Last updated:** 2018-06-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00573521

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00573521, "Risk Factors for Piperacillin/Tazobactam Resistance in Extended-Spectrum Beta-Lactamase (ESBL) Producing Organisms". Retrieved via AI Analytics 2026-08-18 from https://api.ai-analytics.org/clinical/NCT00573521. Licensed CC0.

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