Friday, July 10, 2026

Drug profile · INN

aztreonam

aztreonam (CAYSTON) is a bacterial penicillin-binding protein inhibitor. Route of administration: injection. Current US regulatory status: approved.

FDA: approved EMA: approved Antiinfectives for systemic use (J01) J01DF01
US status approved
Patents linked 0
Pipeline programs 3
News articles 0
Drug details — aztreonam
US status
approved
Class
Antiinfectives for systemic use (J01)
Route
INJECTION
Patents
0
Programs
3
Data quality
0.84

Quick answer

aztreonam (CAYSTON) is a bacterial penicillin-binding protein inhibitor. Route of administration: injection. Current US regulatory status: approved.

Key facts

INN aztreonam
Brand CAYSTON
Mechanism Bacterial penicillin-binding protein inhibitor
Target Bacterial penicillin-binding protein
Therapeutic class Antiinfectives for systemic use (J01)
Route INJECTION
Formulation INJECTABLE
ATC code J01DF01

Mechanism of action

Bacterial penicillin-binding protein inhibitor

Primary target: Bacterial penicillin-binding protein

Approval history

Authority Status Date
FDA approved
EMA approved

Pipeline programs

  1. OP0595-5 Phase 3 · Anaxis Pharma · Complicated urinary tract infection (cUTI) and acute uncompl
  2. OP0595-6 Phase 3 · Anaxis Pharma · Complicated urinary tract infection (cUTI), acute uncomplica
  3. C3601010 Phase 2 · First Biotech (Australia) · Sepsis, Suspected or Confirmed Infections Due to Gram-Negati

Related & competitor drugs

  1. amoxicillin Bacterial penicillin-binding protein inhibitor
  2. ampicillin sodium Bacterial penicillin-binding protein inhibitor
  3. ampicillin/ampicillin trihydrate Bacterial penicillin-binding protein inhibitor
  4. atazanavir sulfate Antiinfectives for systemic use (J05)
  5. cefaclor Bacterial penicillin-binding protein inhibitor
  6. cefadroxil/cefadroxil hemihydrate Bacterial penicillin-binding protein inhibitor

Frequently asked questions

What is aztreonam?

aztreonam (CAYSTON) is a bacterial penicillin-binding protein inhibitor. Route of administration: injection. Current US regulatory status: approved.

What is the brand name for aztreonam?

CAYSTON is a marketed brand name for aztreonam. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of aztreonam?

aztreonam has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.