AstraZeneca, a global, innovation-driven biopharmaceutical business that
focuses on the discovery, development and commercialisation of
prescription medicines, announced positive top-line results from
RECLAIM-1 and RECLAIM-2, the pivotal phase III studies investigating the
potential of the antibiotic ceftazidime-avibactam (CAZ-AVI) as a
treatment for hospitalised adult patients with complicated
intra-abdominal infections.CAZ-AVI consists of a cephalosporin (ceftazidime), an established treatment for serious bacterial infections, and a next generation non-beta lactam beta-lactamase inhibitor (avibactam). CAZ-AVI is being developed to treat a broad range of Gram-negative bacterial infections which are becoming resistant to antibiotics and pose an increasing threat to public health. The addition of avibactam protects ceftazidime from being broken down by beta-lactamases that are produced by resistant bacteria.
The global RECLAIM-1 and RECLAIM-2 phase III studies both evaluated the safety and efficacy of CAZ-AVI, administered intravenously as a two hour infusion (2000 mg / 500 mg) plus metronidazole, compared to meropenem, administered intravenously as a 30 minute infusion (1 g), in hospitalised adult patients with complicated intra-abdominal infections. Data from the RECLAIM-1 and RECLAIM-2 studies were analysed as a single-pooled dataset with the agreement of the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA).
In the RECLAIM-1 and RECLAIM-2 phase III studies, CAZ-AVI met the objective of statistical non-inferiority compared to meropenem. The primary endpoint was a clinical cure rate 28 to 35 days after randomisation (the Test of Cure visit). CAZ-AVI also treated cIAI patients infected with ceftazidime-resistant bacteria as effectively as meropenem.
