Drugs / avibactam

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved EU (EMA) Zavicefta 2016-06-23 europa.eu
Approved US (FDA) AVYCAZ 2015-02-25 fda.gov

Trials 32 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 112 trials
Phase 1 NCT04973826 Aug → Sep 2021 Pfizer Completed No outcome recorded
Phase 1 NCT04486625 Aug 2020 → Sep 2021 impaired renal function disease Pfizer Completed No outcome recorded
Phase 1 NCT01920399 Oct → Nov 2013 Pfizer Completed No outcome recorded
Phase 1 NCT01789528 Aug 2013 → Mar 2014 Pfizer Completed No outcome recorded
Phase 1 NCT01893346 Jul 2013 → Oct 2014 infectious disease Pfizer Completed No outcome recorded
Phase 1 NCT01689207 Sep 2012 → Dec 2014 opportunistic bacterial infectious disease Pfizer Completed No outcome recorded
Phase 1 NCT01624246 May 2012 → Mar 2013 Forest Laboratories Completed No outcome recorded
Phase 1 NCT01534247 Feb → Jul 2012 Pfizer Completed No outcome recorded
Phase 1 NCT01448395 Oct → Nov 2011 Pfizer Completed No outcome recorded
Phase 1 NCT01395420 Aug 2011 → Jul 2012 Pfizer Completed No outcome recorded
Phase 28 trials
Phase 2 NCT06462235 Sep 2024 → Apr 2027 expected gram-negative bacterial infections Pfizer Recruiting No outcome recorded
Phase 2 NCT05639647 Apr 2023 → Mar 2027 expected gram-negative bacterial infections Pfizer Recruiting No outcome recorded
Phase 2 NCT04126031 Jan 2020 → Dec 2022 gram-negative bacterial infections Pfizer Terminated No outcome recorded
Phase 2 NCT02655419 May 2016 → Oct 2017 Pfizer Completed No outcome recorded
Phase 2 NCT02497781 Sep 2015 → Sep 2017 urinary tract infection Pfizer Completed No outcome recorded
Phase 2 NCT01281462 Dec 2010 → Mar 2012 urinary tract infection Forest Laboratories Completed No outcome recorded
Phase 2 NCT00752219 Mar → Nov 2009 Pfizer Completed No outcome recorded
Phase 2 NCT00690378 Nov 2008 → Jun 2010 bacterial urinary tract infection Pfizer Completed No outcome recorded
Phase 39 trials
Phase 3 NCT04927312 Oct 2021 → Sep 2022 Pfizer Completed No outcome recorded
Phase 3 NCT03580044 Dec 2020 → Jan 2023 bacterial infectious disease Pfizer Terminated No outcome recorded
Phase 3 NCT03329092 Apr 2018 → Feb 2023 nosocomial infection Pfizer Completed No outcome recorded
Phase 3 NCT01808092 Apr 2013 → Jan 2016 Pfizer Completed No outcome recorded
Phase 3 NCT01644643 Jan 2013 → Sep 2014 urinary tract infection Pfizer Completed No outcome recorded
Phase 3 NCT01726023 Jan 2013 → Mar 2015 Pfizer Completed No outcome recorded
Phase 3 NCT01599806 Oct 2012 → Aug 2014 acute pyelonephritis Pfizer Completed No outcome recorded
Phase 3 NCT01595438 Oct 2012 → Aug 2014 acute pyelonephritis Pfizer Completed No outcome recorded
Phase 3 NCT01499290 Mar 2012 → Apr 2014 Pfizer Completed No outcome recorded
Phase 43 trials
Phase 4 NCT06811727 May 2025 → May 2027 expected primary bacterial infectious disease Ivan Šitum, MD Not yet recruiting No outcome recorded
Phase 4 NCT04882085 Aug 2021 → Aug 2023 acute pyelonephritis, bacterial pneumonia, infectious peritonitis Pfizer Completed No outcome recorded
Phase 4 NCT04774094 May 2021 → May 2023 nosocomial infection Pfizer Completed No outcome recorded
Also used as a comparator or background therapy in 6 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials
Phase 1 NCT06672276 Comparator Nov 2024 → May 2025 Chia Tai Tianqing Pharmaceutical Group Co., Ltd. Completed No outcome recorded
Phase 1 NCT05340530 Comparator Apr 2022 → Dec 2023 infectious disease Chia Tai Tianqing Pharmaceutical Group Co., Ltd. Unknown No outcome recorded
Phase 1 NCT05588531 Comparator Dec 2021 → Apr 2022 Nanjing Yoko Biomedical Co., Ltd. Completed No outcome recorded
Phase 1 NCT01430910 Comparator Sep 2011 → Oct 2012 Pfizer Completed No outcome recorded
Phase 32 trials
Phase 3 NCT07327619 Comparator Jan 2026 → Jun 2028 expected bacterial pneumonia Qilu Pharmaceutical Co., Ltd. Recruiting No outcome recorded
Phase 3 NCT07063095 Background Aug 2025 → Dec 2026 expected gram-negative bacterial infections, infectious disease with sepsis Angela HUTTNER Recruiting No outcome recorded

Press releases naming this drug 6 releases

DateIssuerRelease
2025-02-07 AbbVie U.S. FDA Approves EMBLAVEO™ (aztreonam and avibactam) for the Treatment of Adults With Complicated Intra-Abdominal Infections With Limited or No Treatment Options abbvie.com
2019-11-11 AbbVie Allergan Receives FDA Qualified Infectious Disease Product (QIDP) Designation And Fast Track Designation For ATM-AVI (Aztreonam And Avibactam) For Antibiotic-Resistant Gram-Negative Infections abbvie.com
2019-03-18 AbbVie Allergan Announces FDA Approval of AVYCAZ® (ceftazidime and avibactam) for Pediatric Patients abbvie.com
2018-11-20 AbbVie Allergan Announces FDA Acceptance of Supplemental New Drug Application for AVYCAZ® (ceftazidime and avibactam) abbvie.com
2018-02-01 AbbVie FDA Approves AVYCAZ® (ceftazidime and avibactam) for the Treatment of Patients with Hospital-Acquired Bacterial Pneumonia and Ventilator-Associated Bacterial Pneumonia abbvie.com
2017-04-24 Pfizer Pivotal Phase III Study Underscores Efficacy Of Zavicefta™ (ceftazidime-avibactam) For Treatment Of Hospital-Acquired Pneumonia, A Leading Cause Of Mortality In Hospitals pfizer.com

Evidence & citations 12 cited values

Every value below carries the sentence it was read from. 39 sources stand behind the page.

FieldValueCited text
Known as Avibactam “Patients aged between 18 and 90 years with cUTI were enrolled and stratified by infection type (acute pyelonephritis or other cUTI) and randomized 1:1 to receive intravenous...” PMID 23145859 Nov 2012
32

“Patients received a single 2-h intravenous infusion of ceftazidime-avibactam (cohort 1, 2,000 to 500 mg; cohort 2, 2,000 to 500 mg [≥40 kg] or 50 to 12.5 mg/kg [<40 kg];...” PMID 27503642 Sep 2016

“The study medicine is a combination of an antibiotic, aztreonam (ATM), and another medicine, avibactam (AVI), which is used to help stop bacteria from being resistant to antibiotics.” NCT06462235

“Ceftazidime-Avibactam powder for concentrate for solution for infusion 2.0 g/ 0.5 g. Dosage will be adjusted based on renal function after enrollment.” NCT04927312

“investigational monobactam/β-lactamase inhibitor combination aztreonam/avibactam in patients with complicated intra-abdominal infection (cIAI)” PMID 31828337 Mar 2020

“An aztreonam/avibactam 500/137 mg 30-min loading dose and 1500/410 mg 3-h maintenance infusions q6h were selected for further evaluation.” PMID 38252170 Jan 2024

“Cohort 1: CAZ-AVI (2000 mg ceftazidime and 500 mg avibactam) by intravenous infusion given over 2 hours, every 8 hours” NCT01789528

“Ceftazidime and avibactam pharmacokinetics were well-described by two-compartment disposition models” PMID 30221827 Sep 2018

“Aztreonam-avibactam, a fixed-ratio (3:1) β-lactam/β-lactamase inhibitor combination” PMID 40530972 Jun 2025

“TQD3606 is a fixed-dose combination of meropenem and avibactam.” NCT06672276

“CAZ-AVI (2000 mg ceftazidime/500 mg avibactam)” NCT01534247

“Ceftazidime 2000 mg and 500 mg of avibactamNCT01499290

“CAZ104 (2000mg Ceftazidime/500mg Avibactam)” NCT01395420

“aztreonam plus avibactamNCT05639647

NCT04774094

NCT01689207

NCT06811727

NCT01599806

NCT01430910

NCT05588531

NCT05340530

NCT07327619

NCT01624246

NCT04126031

NCT01644643

NCT01808092

NCT07063095

NCT01595438

NCT02497781

NCT04486625

NCT04973826

NCT04882085

NCT01726023

Known as AVI “The study medicine is a combination of an antibiotic, aztreonam (ATM), and another medicine, avibactam (AVI), which is used to help stop bacteria from being resistant to antibiotics.” NCT06462235
1

Avibactam (AVI)” NCT01689207

Known as Avibactam component of zavicefta ChEMBL registry synonym — accepted as the source's own label CHEMBL1689063
Known as AVIBACTAM SODIUM ChEMBL registry synonym — accepted as the source's own label CHEMBL1689063
Known as Avibactam sodium component of avycaz ChEMBL registry synonym — accepted as the source's own label CHEMBL1689063
Known as Avibactam sodium salt ChEMBL registry synonym — accepted as the source's own label CHEMBL1689063
Known as Avibactam(NXL104) “Ceftaroline fosamil and Avibactam(NXL104) (q8h)” NCT01281462
Known as Nxl-104 free acid ChEMBL registry synonym — accepted as the source's own label CHEMBL1689063
Known as NXL104 “Part B investigates how much Avibactam (NXL104) and Ceftazidime enter the blood when Avibactam and Ceftazidine are given separately or together intravenously.” NCT01430910
5

NCT01290900

NCT00752219

NCT01291602

NCT01448395

NCT01281462

Action Inhibit “Ceftazidime-avibactam is a novel β-lactam/β-lactamase inhibitor combination for the treatment of serious infections caused by resistant gram-negative pathogens.” PMID 30221827 Sep 2018
Modality Small molecule “Ceftazidime-avibactam is a novel β-lactam/β-lactamase inhibitor combination for the treatment of serious infections caused by resistant gram-negative pathogens.” PMID 30221827 Sep 2018
Route Intravenous “receive intravenous ceftazidime 500 mg plus avibactam 125 mg every 8 hours” PMID 23145859 Nov 2012