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1.
Adv Ther ; 32(6): 496-509, 2015 Jun.
Article in English | MEDLINE | ID: mdl-26108157

ABSTRACT

INTRODUCTION: The aim of this study was to evaluate the clinical outcomes and safety of daptomycin therapy in patients with serious Gram-positive infections. METHODS: Patients were enrolled in the European Cubicin(®) Outcomes Registry and Experience (EU-CORE(SM)), a non-interventional, multicenter, observational registry. The real-world data were collected across 18 countries (Europe, Latin America, and Asia) for patients who had received at least one dose of daptomycin between January 2006 and April 2012. Two-year follow-up data were collected until 2014 for patients with endocarditis, intracardiac/intravascular device infection, osteomyelitis, or orthopedic device infection. RESULTS: A total of 6075 patients were enrolled. The most common primary infections were complicated skin and soft tissue infection (31.7%) and bacteremia (20.7%). Staphylococcus aureus was the most frequently reported pathogen (42.9%; methicillin-resistant S. aureus [MRSA], 23.2%), followed by Staphylococcus epidermidis and other coagulase-negative staphylococci (CoNS, 28.5%). The most commonly prescribed dose of daptomycin was 6 mg/kg/day (43.6%), and the median duration of therapy was 11 (range 1-300) days. Overall clinical success rate was 80.5%, and was similar whether daptomycin was used as first-line (82.9%) or second-line (79.2%) therapy. Clinical success rates were high in patients with S. aureus (83.9%; MRSA 83.0%) and CoNS (including S. epidermidis, 82.5%) infections. The majority of patients with endocarditis or intracardiac/intravascular device infection (86.7%) or osteomyelitis/orthopedic device infection (85.9%) had a sustained response during the 2-year follow-up period. There were no new or unexpected safety findings. CONCLUSION: Results from real-world clinical experience showed that daptomycin is a valuable therapeutic option in the management of various difficult-to-treat Gram-positive infections. FUNDING: This study was funded by Novartis Pharma AG.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Daptomycin/therapeutic use , Gram-Positive Bacterial Infections/drug therapy , Adolescent , Adult , Aged , Anti-Bacterial Agents/administration & dosage , Asia , Bacteremia/drug therapy , Daptomycin/administration & dosage , Europe , Female , Gram-Positive Bacterial Infections/microbiology , Humans , Latin America , Male , Middle Aged , Retrospective Studies , Skin Diseases, Bacterial/drug therapy , Soft Tissue Infections/drug therapy , Staphylococcal Infections/drug therapy , Young Adult
2.
Drugs Aging ; 30(10): 829-36, 2013 Oct.
Article in English | MEDLINE | ID: mdl-23990341

ABSTRACT

BACKGROUND: Daptomycin has proven efficacy in patients with Gram-positive complicated skin and soft tissue infections (cSSTIs), including those caused by Staphylococcus aureus, regardless of methicillin susceptibility. OBJECTIVE: This study was undertaken to evaluate the efficacy and safety of daptomycin in elderly patients. STUDY DESIGN: This was an open-label, multicentre, randomized phase IIIb study conducted in hospitalized patients PATIENTS: Patients aged ≥65 years with a diagnosis of Gram-positive cSSTIs with or without bacteraemia were included. In addition, infections were required to be of sufficient severity to require inpatient hospitalization and treatment with parenteral antibiotics for at least 96 h. The main exclusion criterion was the presence of a non-complicated SSTI that could heal by itself or be cured by surgical removal of the site of infection. INTERVENTION: Patients were randomized (2:1) to intravenous daptomycin or pooled intravenous standard therapies (semi-synthetic penicillin or vancomycin, referred to as the 'comparator'). Duration of treatment was between 5 and 14 days for cSSTIs without bacteraemia and between 10 and 28 days for cSSTIs with bacteraemia. MAIN OUTCOME MEASURE: The primary objective was descriptive comparison of clinical success in clinically evaluable patients at test of cure, 7-14 days post treatment. Secondary objectives were microbiological outcome, duration of treatment and safety. RESULTS: In total, 120 patients were randomized (81 to daptomycin; 39 to the comparator) and 102 patients completed the study. Baseline characteristics were similar between the two groups. Common infections included cellulitis, ulcers and abscesses; six patients had bacteraemia [five documented (daptomycin, n = 3; comparator, n = 2); and one suspected (daptomycin, n = 1)]. Test-of-cure clinical success rates were numerically higher for daptomycin than for the comparator [89.0 % (65/73) vs. 83.3 % (25/30); odds ratio 1.65 (95 % confidence interval 0.49-5.54)]. For patients with S. aureus infections, cure rates were 89.7 % (35/39) versus 69.2 % (9/13), respectively; percentage points difference, 20.5 (95 % confidence interval -12.2 to 50.9)]. Rates of adverse events (AEs) and serious AEs were similar in both treatment arms; however, discontinuation rates for AEs/serious AEs were lower for daptomycin than for the comparator (3.8 % vs. 10.0 %). Three serious AEs were considered to be related to the study drug: one case each of pancytopenia (semi-synthetic penicillin), renal failure (vancomycin) and asymptomatic increase in creatine phosphokinase concentrations (daptomycin). CONCLUSION: In elderly patients, for whom data were previously limited, the efficacy and safety of daptomycin have been confirmed, including for infections caused by S. aureus, regardless of methicillin susceptibility.


Subject(s)
Daptomycin/adverse effects , Daptomycin/therapeutic use , Patient Safety , Skin Diseases/complications , Skin Diseases/drug therapy , Soft Tissue Infections/complications , Soft Tissue Infections/drug therapy , Aged , Daptomycin/pharmacology , Female , Humans , Male , Staphylococcal Infections/complications , Staphylococcal Infections/drug therapy , Staphylococcus aureus/drug effects , Staphylococcus aureus/physiology , Time Factors , Treatment Outcome
3.
Int J Antimicrob Agents ; 41(5): 468-72, 2013 May.
Article in English | MEDLINE | ID: mdl-23473943

ABSTRACT

A retrospective analysis of data from patients receiving daptomycin as outpatient parenteral antimicrobial therapy (OPAT) within the European Cubicin Outcomes Registry and Experience (EU-CORE(SM)) was performed. Of 4592 enrolled patients in 15 countries, 550 (12%) received daptomycin OPAT. Of these, 149 (27%) received daptomycin without hospital admission, 84% had significant underlying diseases and 44% were ≥65 years of age. Most frequently treated infections were complicated skin and soft-tissue infections (28%), osteomyelitis (17%), foreign body/prosthetic infections (15%) and endocarditis (14%). In patients with culture results available, Staphylococcus aureus and coagulase-negative staphylococci were the most commonly isolated primary pathogens [n = 218 (46%) and n = 102 (21%), respectively]. Daptomycin was typically used at doses of 6 mg/kg (n = 210; 38%) and 4 mg/kg (n = 160; 29%), with concomitant antibiotics used in 41%. The median treatment duration was 22 days (range 1-300 days), with a median of 13 OPAT days (range 1-290 days). Overall clinical success was observed in 89%, with high success rates across the wide range of infections, including those caused by meticillin-resistant and meticillin-susceptible S. aureus (88% and 90%, respectively). Daptomycin exhibited a favourable safety profile; 3.1% of patients discontinued treatment owing to an adverse event. These data demonstrate that daptomycin is effective and well tolerated in the treatment of a wide range of Gram-positive infections in the outpatient setting. Ease of administration of daptomycin, via a daily 2-min injection, and its efficacy and safety combine to make it an attractive treatment option for OPAT.


Subject(s)
Ambulatory Care/methods , Anti-Bacterial Agents/administration & dosage , Bacterial Infections/drug therapy , Daptomycin/administration & dosage , Aged , Aged, 80 and over , Europe , Female , Humans , Injections, Intravenous , Male , Middle Aged , Outpatients , Retrospective Studies , Treatment Outcome
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