Table 3.
β-Lactamase Inhibitor | Chemical Structure |
Company | Clinical Trial Phase | Representative Combination | Indication |
---|---|---|---|---|---|
Clavulanic acid | GlaxoSmithKline (London, the UK) | Phase 4 | Amoxicillin–Clavulanic Acid | Bacteremia (NCT02783404) Chronic Bronchitis (NCT00656747) Effects on Gut Microbiota (NCT04084106) Acute Otitis Media (NCT00644943) |
|
Sulbactam | Pfizer Inc. (New York, NY, USA) | Phase 4 | Ampicillin–Sulbactam | Cesarean Section (NCT01138852) Intra-Abdominal Infection (NCT00952796) Acinetobacter Pneumonia (NCT05922124) Skin Infections (NCT00368537) |
|
Tazobactam | Taiho Pharmaceutical Co., Ltd. (Tokyo, Japan) | Phase 4 | Piperacillin–Tazobactam Ceftolozane–Tazobactam |
Bloodstream Infections (NCT05355350) Febrile Neutropenia (NCT04233996) Diabetic Foot Infections (NCT00044746) Early Phase of Severe Sepsis and Septic Shock (NCT02730624) Cystic Fibrosis and Bronchiectasis (NCT06035055) |
|
Enmetazobactam | Allecra Therapeutics (Saint Louis, MO, USA) | Phase 3 Phase 2 |
Cefepime–Enmetazobactam | Urinary Tract Infection Complicated (NCT03687255, NCT05826990, NCT03680612) | |
Avibactam | Pfizer Inc. (New York, NY, USA) | Phase 4 | Ceftazidime–Avibactam | Cystic Fibrosis (NCT02504827) Hospital-Acquired Pneumonia (NCT04774094) Urinary Tract Infection and Acute Pyelonephritis (NCT04882085) |
|
Relebactam | Merck Sharp & Dohme LLC (Rahway, NJ, USA) | Phase 4 | Imipenem–Cilastatin–Relebactam | Cystic Fibrosis and Bacterial Pneumonia (NCT05561764) Obesity and Critical Illness (NCT05146154) |
|
Nacubactam | F. Hoffmann-La Roche, Ltd. (Basel, Switzerland) | Phase 1 | Meropenem–Nacubactam | Gram-Negative Bacterial Infections (NCT03182504) | |
Zidebactam | Medpace, Inc. (Cincinnati, OH, USA) | Phase 3 | Cefepime–Zidebactam | Complicated Urinary Tract Infections and Acute Pyelonephritis (NCT04979806) | |
Durlobactam | Entasis Therapeutics Holdings Inc. (Waltham, MA, USA) | Phase 3 Phase 2 |
Sulbactam–Durlobactam | Hospital-Acquired Bacterial Pneumonia (NCT03894046) Complicated Urinary Tract Infections and Acute Pyelonephritis (NCT03445195) |
|
Funobactam | Evopoint Biosciences Inc. (Suzhou, China) | Phase 3 | Imipenem–Funobactam | Complicated Urinary Tract Infection Including Acute Pyelonephritis (NCT05204368) Hospital-Acquired Bacterial Pneumonia or Ventilator-Associated Bacterial Pneumonia (NCT05204563) |
|
Vaborbactam | Melinta Therapeutics, Inc. (Parsippany, NJ, USA) | Phase 3 | Meropenem–Vaborbactam | Complicated Urinary Tract Infection and Acute Pyelonephritis (NCT02166476) Hospital-Acquired Bacterial Pneumonia (NCT02168946) |
|
Taniborbactam | Venatorx Pharmaceuticals, Inc. (Malvern, PA, USA) | Phase 3 Phase 1 |
Cefepime–Taniborbactam | Complicated Urinary Tract Infection and Acute Pyelonephritis (NCT03840148) Pharmacokinetics (NCT04951505) |
|
Xeruborbactam | Qpex Biopharma, Inc. (San Diego, CA, USA) | Phase 1 | QPX2014–Xeruborbactam Ceftibuten–Xeruborbactam |
Pharmacokinetics and Side Effects (NCT05072444, NCT04380207) Bacterial Infections (NCT06079775) |