A Study to Determine the Efficacy, Safety and Tolerability of Aztreonam-Avibactam (ATM-AVI) ± Metronidazole (MTZ) Versus Meropenem (MER) ± Colistin (COL) for the Treatment of Serious Infections Due to Gram Negative Bacteria.
Public ClinicalTrials.gov record NCT03329092. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A PHASE 3 PROSPECTIVE, RANDOMIZED, MULTICENTER, OPEN-LABEL, CENTRAL ASSESSOR-BLINDED, PARALLEL GROUP, COMPARATIVE STUDY TO DETERMINE THE EFFICACY, SAFETY AND TOLERABILITY OF AZTREONAM-AVIBACTAM (ATM-AVI) ±METRONIDAZOLE (MTZ) VERSUS MEROPENEM±COLISTIN (MER±COL) FOR THE TREATMENT OF SERIOUS INFECTIONS DUE TO GRAM NEGATIVE BACTERIA, INCLUDING METALLO-Β-LACTAMASE (MBL) - PRODUCING MULTIDRUG RESISTANT PATHOGENS, FOR WHICH THERE ARE LIMITED OR NO TREATMENT OPTIONS
Study identification
- NCT ID
- NCT03329092
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 422 participants
Conditions and interventions
Conditions
Interventions
- ATM-AVI Drug
- COL Drug
- MER Drug
- MTZ Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 4, 2018
- Primary completion
- Feb 22, 2023
- Completion
- Feb 22, 2023
- Last update posted
- Dec 9, 2024
2018 – 2023
United States locations
- U.S. sites
- 5
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Banner University Medical Center - Tucson | Tucson | Arizona | 85719 | — |
| Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center | Torrance | California | 90502 | — |
| Harbor-UCLA Medical Center | Torrance | California | 90509 | — |
| Southern Illinois University School of Medicine | Springfield | Illinois | 62702 | — |
| Memorial Medical Center | Springfield | Illinois | 62781 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 152 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03329092, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 9, 2024 · Synced May 20, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03329092 live on ClinicalTrials.gov.