CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 422 enrolled
Drug / intervention
ATM-AVI +3 moredrug
Likely dose
ATM-AVI 50 mLfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03329092
NCT03329092Phase 3Completed

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

Pfizer·interventional·Posted Nov 1, 2017·Updated Dec 10, 2024

In Brief

A Phase 3 clinical trial evaluating ATM-AVI, MTZ, and 2 other interventions for Complicated Intra-abdominal Infection and 2 related conditions. Completed, enrolled 422 participants across 157 sites in 21 countries.

Detailed Summary

A Phase 3 comparative 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.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Bulgaria, China, Croatia, Czechia, Greece, India, Israel, Italy, Malaysia, Mexico, Philippines, Romania, Russia, South Korea, Spain, Taiwan, Thailand, Turkey (Türkiye), Ukraine, United States

Timeline

Phase 3CompletedFinished
201820192020202120222023202420252026
First PostedNov 1, 2017
Enrollment StartApr 5, 2018
Primary CompletionFeb 23, 2023
TodayJul 2, 2026
Enrollment to primary: 4.9 yearsPosted 8.7 years ago

Interventions

ATM-AVIdrug

(Creatinine clearance \> 50 mL/min) 6500 mg ATM/2167 mg (loading dose, extended loading dose and maintenance dose) by iv infusion on Day 1 followed by a total daily dose of 6000 mg ATM/2000 mg AVI (Creatinine clearance 31 - 50 mL/min) 4250 mg ATM/1417 mg AVI on Day 1 (loading dose, extended loading dose, maintenance dose) followed by total daily dose 3000 mg ATM/1000 mg AVI (Creatinine clearance 16 - 30 mL/min) 2700 mg ATM/900 mg AVI on Day 1 (loading dose, extended loading dose maintenance dose), followed by total daily dose 2025 mg ATM/675 mg AVI

MTZdrug

For cIAI only; 500 mg/100 mL metronidazole iv infusion over 1hr q8h

MERdrug

Where pathogen initially not suspected of being MER-resistant: (Creatinine clearance \> 50 mL/min) 1000 mg meropenem by 30 min iv infusion q8h (Creatinine clearance 26 - 50 mL/min) 1000mg meropenem by 30 min iv infusion q12h (Creatinine clearance 16 - 25 mL/min) 500 mg meropenem by 30 min iv infusion q12h Where pathogen initially suspected of being MER-resistant (Creatinine clearance \> 50 mL/min) 2000 mg meropenem by 180 min iv infusion q8h (Creatinine clearance 26 - 50 mL/min) 2000 mg meropenem by 180 min iv infusion q12h (Creatinine clearance 16 - 25 mL/min) 1000 mg meropenem by 180 min iv infusion q12h

COLdrug

Loading dose 9 million IU by 30 -60 min iv infusion (6 million IU where weight \< 60 kg) followed by one of the following maintenance doses: (Creatinine clearance \> 50 mL/min) after a 12h interval, commence maintenance dosing 9 million IU daily in 2 or 3 divided doses by 30 -60 min iv infusions. (Creatinine clearance 31 - 50 mL/min) After a 24 hr interval, commence maintenance dosing of 6 million IU daily in 2 divided doses by 30 -60 min iv infusion (Creatinine clearance 21 - 30 mL/min) After a 24 hr interval, commence maintenance dosing 5 million IU daily in 2 divided doses by 30 -60 min iv infusion (Creatinine clearance 16 - 20 mL/min) after a 24 hr interval, commence maintenance dosing 4 million IU daily in 2 divided doses by 30 -60 min iv infusion