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Clinical utility of telavancin for treatment of hospital-acquired pneumonia: focus on non-ventilator-associated pneumonia.

ABSTRACT: BACKGROUND:Hospital-acquired pneumonia (HAP) is the most common health care-associated infection contributing to death. Studies have indicated that there may be differences in the causative pathogens and outcomes of ventilator-associated pneumonia (VAP) and non-ventilator-associated pneumonia (NV-HAP). However, with limited NV-HAP-specific data available, treatment is generally based on data from studies of VAP. The Phase 3 Assessment of Telavancin for Treatment of Hospital-Acquired Pneumonia (ATTAIN) studies were two double-blind randomized controlled trials that demonstrated the non-inferiority of telavancin to vancomycin for treatment of Gram-positive HAP. We conducted a post hoc subgroup analysis of patients enrolled in the ATTAIN studies who had NV-HAP. METHODS:Data from the two ATTAIN studies were pooled, and patients with NV-HAP were analyzed. The all-treated (AT) population consisted of all randomized patients who received ?1 dose of study medication, and the clinically evaluable (CE) population consisted of AT patients who were protocol-adherent or who died on or after study day 3, where death was attributable to the HAP episode under study. The primary endpoint was clinical response (cure, failure, or indeterminate) at the follow-up/test of cure visit, conducted 7-14 days after the end of therapy. RESULTS:A total of 1,076 patients (71.6% of overall ATTAIN AT population) had NV-HAP (533 and 543 patients in the telavancin and vancomycin treatment groups, respectively). Clinical cure rates in the CE population were similar for patients with NV-HAP treated with telavancin and vancomycin (83.1% [201/242] and 84.1% [233/277], respectively). In patients with methicillin-resistant Staphylococcus aureus isolated at baseline, cure rates in the CE population were 74.8% (77/103) for telavancin and 79.3% (96/121) for vancomycin. The incidence of adverse events, serious adverse events, and deaths in patients with NV-HAP was similar whether patients received telavancin or vancomycin. CONCLUSION:This post hoc subgroup analysis of the ATTAIN studies demonstrated similar cure rates for telavancin and vancomycin for treatment of NV-HAP.

SUBMITTER: Rubinstein E

PROVIDER: S-EPMC4035308 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Clinical utility of telavancin for treatment of hospital-acquired pneumonia: focus on non-ventilator-associated pneumonia.

Rubinstein Ethan E Stryjewski Martin E ME Barriere Steven L SL

Infection and drug resistance 20140520

<h4>Background</h4>Hospital-acquired pneumonia (HAP) is the most common health care-associated infection contributing to death. Studies have indicated that there may be differences in the causative pathogens and outcomes of ventilator-associated pneumonia (VAP) and non-ventilator-associated pneumonia (NV-HAP). However, with limited NV-HAP-specific data available, treatment is generally based on data from studies of VAP. The Phase 3 Assessment of Telavancin for Treatment of Hospital-Acquired Pneu ...[more]

PMID: 24876786

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Project description:IntroductionThe efficacy and safety of telavancin versus vancomycin in microbiologically evaluable patients with hospital-acquired or ventilator-associated pneumonia (HAP/VAP) caused by Staphylococcus aureus with vancomycin minimum inhibitory concentration (MIC) ≥ 1.0 µg/mL was analyzed using data derived from previously reported Assessment of Telavancin for Treatment of Hospital-Acquired Pneumonia (ATTAIN) trials.MethodsThis post hoc subgroup analysis of two randomized, double-blind, comparator-controlled, parallel-group phase 3 trials conducted at 274 sites in 38 countries included 194 microbiologically evaluable patients with HAP/VAP caused by monomicrobial S. aureus with vancomycin MIC ≥ 1.0 µg/mL. Patients received intravenous telavancin (10 mg/kg every 24 h) or intravenous vancomycin (1 g every 12 h with site-specific modifications) for 7-21 days. Efficacy was assessed by clinical cure, defined as improvement or non-progression of radiographic findings at end of treatment and resolution of pneumonia signs and symptoms at follow-up/test-of-cure visits, and survival 28 days post-randomization. Safety was assessed from categorical shifts in creatinine clearance during therapy and adverse events (AEs).ResultsClinical cure rates were numerically greater following telavancin versus vancomycin treatment overall (85.4% vs. 74.3%; treatment difference [95% confidence interval (CI)], 11.1% [- 0.002%, 22.2%]) and in patients aged ≥ 65 years (81.6% vs. 66.2%; treatment difference [95% CI], 15.5% [- 0.9%, 30.2%]) patients with VAP (92.3% vs. 47.6%; treatment difference [95% CI], 44.7% [18.1%, 64.9%]), and patients with baseline Acute Physiology And Chronic Health Evaluation II score ≥ 20 (71.4% vs. 55.6%; treatment difference [95% CI], 15.9% [- 11.7%, 40.5%]). Renal function declined in 7 (7.9%) patients receiving telavancin and 6 (5.7%) patients receiving vancomycin. Survival proportion was numerically higher (85.2% vs. 80.2%; treatment difference [95% CI], 5.0% [- 5.8%, 15.8%]) and AEs were comparable in patients treated with telavancin versus vancomycin.ConclusionTelavancin is an alternative to vancomycin for HAP/VAP caused by S. aureus with vancomycin MIC ≥ 1 µg/mL.FundingTheravance Biopharma R&D, Inc., South San Francisco, CA, USA.

Project description:BackgroundSocial and hospital environmental factors that may be associated with hospital-acquired pneumonia (HAP) have not been evaluated. Comprehensive risk assessment for the incidence of HAP including sociodemographic, clinical, and hospital environmental factors was conducted using national health insurance claims data.MethodsThis is a population-based retrospective cohort study of adult patients who were hospitalized for more than 3 days from the Health Insurance Review and Assessment Service-National Inpatient Sample data between January 1, 2016 and December 31, 2018 in South Korea. Multivariable logistic regression analyses were conducted to identify the factors associated with the incidence of HAP.ResultsAmong the 512,278 hospitalizations, we identified 25,369 (5.0%) HAP cases. In multivariable analysis, well-known risk factors associated with HAP such as older age (over 70 vs. 20-29; adjusted odds ratio [aOR], 3.66; 95% confidence interval [CI] 3.36-3.99), male sex (aOR, 1.35; 95% CI 1.32-1.39), pre-existing lung diseases (asthma [aOR, 1.73; 95% CI 1.66-1.80]; chronic obstructive pulmonary disease [aOR, 1.62; 95% CI 1.53-1.71]; chronic lower airway disease [aOR, 1.79; 95% CI 1.73-1.85]), tube feeding (aOR, 3.32; 95% CI 3.16-3.50), suctioning (aOR, 2.34; 95% CI 2.23-2.47), positioning (aOR, 1.63; 95% CI 1.55-1.72), use of mechanical ventilation (aOR, 2.31; 95% CI 2.15-2.47), and intensive care unit admission (aOR, 1.29; 95% CI 1.22-1.36) were associated with the incidence of HAP. In addition, poverty (aOR, 1.08; 95% CI 1.04-1.13), general hospitals (aOR, 1.54; 95% CI 1.39-1.70), higher bed-to-nurse ratio (Grade ≥ 5; aOR, 1.45; 95% CI 1.32-1.59), higher number of beds per hospital room (6 beds; aOR, 3.08; 95% CI 2.77-3.42), and ward with caregiver (aOR, 1.19; 95% CI 1.12-1.26) were related to the incidence of HAP.ConclusionsThe incidence of HAP was associated with various sociodemographic, clinical, and hospital environmental factors. Thus, taking a comprehensive approach to prevent and treat HAP is important.

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Clinical utility of telavancin for treatment of hospital-acquired pneumonia: focus on non-ventilator-associated pneumonia.

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Clinical utility of telavancin for treatment of hospital-acquired pneumonia: focus on non-ventilator-associated pneumonia.

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