Research article
Real-World Evaluation of Eravacycline Utilization for Infections Caused by Difficult-to-Treat Pathogens
Daniel T. AndersonORCID
, Joshua Eudy
Abstract
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The Global Initiative for Chronic Obstructive Lung Disease (GOLD) report recommends initial bronchodilator therapy over inhaled corticosteroids (ICS) for most patients. However, real-world prescribing often diverges. Management is further complicated in hospitalized patients with suspected but unconfirmed chronic obstructive pulmonary disease (COPD), where providers must decide on therapy initiation and outpatient follow-up.
To describe inhaler prescribing in suspected but unconfirmed COPD upon hospital discharge.
This was an institutional review board–approved retrospective cohort study of patients of ages 40 years or older with a smoking history of at least 10-pack years, but without a prior COPD diagnosis, who presented with a suspected COPD exacerbation or acute respiratory failure secondary to suspected COPD. The primary outcome was inhaler prescribing at discharge. Secondary outcomes included confirmed COPD diagnosis, guideline concordance, hospital readmission for a COPD exacerbation, and ICS-related adverse events within 180 days.
Of the 51 patients included in the study, 29 (56.9%) were prescribed new inhalers, with 15 (29.4%) prescribed ICS-containing regimens. Following discharge, 15 patients (29.4%) completed pulmonary function testing, with 8 (15.7%) receiving a COPD diagnosis. Guideline concordance could not be assessed due to absent documentation. Eight patients (15.7%) were readmitted with a COPD exacerbation, and 13 ICS-related adverse events were documented. Limitations include the sample size and retrospective study design.
This study found a high frequency of initial ICS prescribing for suspected but unconfirmed COPD, as well as limited follow-up and diagnostic reassessment. These findings highlight the need for system-level interventions to optimize discharge prescribing and ensure timely follow-up.
Federally qualified health centers (FQHCs) use core quality measures to guide care and secure funding. One core measure is “Ischemic Vascular Disease (IVD): Use of Aspirin or Another Antiplatelet.” A pilot program at an FQHC utilized the clinical pharmacy team to improve appropriate aspirin prescribing. Clinical pharmacy technicians identified eligible patients through a best practice advisory (BPA) in the electronic health record and contacted individuals with IVD not prescribed aspirin to schedule a clinical pharmacist appointment. Pharmacists then conducted medication reconciliations and ordered aspirin when indicated. This study evaluated the impact of incorporating pharmacy technicians into the clinical pharmacy workflow on the IVD quality measure.
This retrospective chart review compared aspirin prescriptions ordered from June to November 2023 between patients contacted by pharmacy technicians and those who were not. Demographics, outreach attempts, aspirin orders, and diagnosis codes were collected. Descriptive statistics and Fisher’s exact test were used for analysis.
Pharmacy technicians attempted to contact 65 eligible patients, with 49 successfully reached. Aspirin was prescribed for 3.1% of control patients vs 30.6% in patients successfully contacted by the pharmacy team (
A clinical pharmacy team significantly increased aspirin therapy among eligible patients with IVD, demonstrating the value of pharmacy team involvement on quality metrics. Future research should explore expanded integration of clinical pharmacy team services to enhance patient care.
Treatment of extensively drug-resistant (XDR) organisms is complicated by pharmacodynamic and pharmacokinetic (PK) limitations of current antimicrobial agents. Prostatitis is an infection that is historically difficult to treat with beta-lactams given poor tissue penetration as compared to fluoroquinolones and sulfamethoxazole-trimethoprim. Cefiderocol is a novel cephalosporin that is often used to treat a wide variety of gram-negative bacteria that have extensive resistance to other antibiotics. Cefiderocol remains stable against many β-lactamases and shows enhanced bacterial cell entry as a result of siderophore uptake. However, its penetration into prostatic tissue has not been studied. This review presents the use of cefiderocol in a patient with complicated urinary tract infection and prostatitis caused by XDR
Valacyclovir requires dose adjustment according to renal function to prevent serious adverse events. However, real-world data on renal function-based dosing practices are limited.
To evaluate the frequency of valacyclovir overdosing according to renal function and to identify the characteristics associated with overdosing in Japan.
We conducted a retrospective cohort study using a nationwide database of administrative claims and laboratory results from acute care hospitals in Japan. We included adults aged ≥18 years who received at least 1 valacyclovir prescription between October 1, 2022, and September 30, 2024, and who had a serum creatinine measurement within the preceding year. The primary outcome was overdosing, defined as a prescribed dose that exceeded the maximum recommended dose for the patient’s renal function level per the Japanese package insert. Renal function was estimated using creatinine clearance calculated with the Cockcroft-Gault equation.
A total of 6764 patients with 7901 valacyclovir prescriptions were included; 1649 prescriptions (20.9%) were for patients with impaired renal function. Overdosing was rare among patients with normal renal function. Among patients with impaired renal function, overdosing occurred in 25.1% of prescriptions for varicella or herpes zoster and in 6.4% for other indications. Overdosing was more frequent among women and most common for prescriptions dispensed at community pharmacies.
In this nationwide study, valacyclovir overdosing was common among patients with impaired renal function, particularly for high-dose indications, and occurred more frequently among women and for prescriptions dispensed at community pharmacies. Strengthening renal function-based prescription review may help reduce preventable overdosing.
Posterior reversible encephalopathy syndrome (PRES) is a rare but potentially life-threatening neurological condition characterized by seizures, headache, visual disturbances, and altered mental status, typically associated with vasogenic edema on neuroimaging. Although several anticancer therapies have been implicated in PRES, evidence regarding its association with lenvatinib remains limited.
The aim of this study was to investigate a potential safety signal between lenvatinib and PRES using a pharmacovigilance approach and evaluate whether reports of PRES are disproportionately associated with lenvatinib in a large spontaneous reporting database.
A retrospective pharmacovigilance study was conducted using the FDA Adverse Event Reporting System (FAERS) database. Individual Case Safety Reports (ICSRs) mentioning lenvatinib and PRES were identified and extracted. Disproportionality analysis was performed by calculating the reporting odds ratio (ROR), proportional reporting ratio (PRR), and chi-square statistic. According to Evans’ criteria (n > 2, PRR > 2, chi-square > 4), a drug-event combination is considered suggestive of a potential safety signal.
The disproportionality analysis revealed a statistically significant signal for PRES associated with lenvatinib. The PRR was 5.79 (95% CI: 4.80-6.98), and the ROR was 5.81 (95% CI: 4.81-7.00), both exceeding commonly accepted signal detection thresholds. These findings suggest that reports of PRES occur more frequently with lenvatinib than with other drugs in the database.
This pharmacovigilance analysis identified a significant disproportionality signal suggesting a potential association between lenvatinib and PRES. Although spontaneous reporting systems cannot establish causality, these findings highlight the importance of clinical awareness and further investigation to better characterize this rare but serious adverse event.
During hospital admission and discharge, investigational drugs administered due to participation in clinical trials are at risk for medication errors if not accurately documented.
The primary objective of this study is to assess whether investigational drug service (IDS) pharmacy-led investigational medication reconciliation during outpatient investigational drug dispensing improves the rate and accuracy of investigational drug documentation in the electronic health record (EHR) medication list.
This retrospective study was conducted at Rady Children’s Hospital Orange County and compared investigational drug dispensing encounters in the pre-IDS period (August 1, 2022-July 31, 2023) to the IDS period (November 1, 2023-October 31, 2024). Differences between periods were estimated using binomial generalized estimating equations to obtain absolute risk differences, with robust standard errors to account for multiple prescriptions within patients.
Of 174 dispensed prescriptions, the investigational drug was documented on the EHR medication list for 27 of 90 drugs in the pre-IDS period (30.0%) and 80 of 84 drugs in the IDS period (95.2%;
Baseline documentation of investigational drugs on the EHR medication list was low. Investigational drug service pharmacy-led documentation was associated with significant improvement in documentation rate and accuracy.
To review the efficacy, safety, and clinical selection considerations of azole antifungal agents for prophylaxis of invasive fungal infections (IFIs) in immunocompromised patients using a clinically oriented, pharmacist-focused framework.
A literature review was conducted using PubMed and Embase to identify relevant studies evaluating azole antifungal prophylaxis in immunocompromised adult populations. Search terms included combinations of “azole,” “antifungal prophylaxis,” “immunocompromised,” and “invasive fungal infection,” with emphasis on contemporary studies reflecting current prophylaxis practices.
Studies were included if they evaluated prophylactic use of azole antifungal agents in immunocompromised adults, including patients with hematologic malignancies, hematopoietic stem cell transplantation, or other defined immunocompromised states. Studies focused on treatment rather than prophylaxis, non-azole agents, pediatric populations, or lacking relevant clinical outcomes were excluded. Data extracted included study design, patient population, antifungal agent and dosing, incidence of IFIs, and reported safety outcomes.
Randomized controlled trials and observational studies demonstrate that azole antifungal prophylaxis significantly reduces IFI incidence in high-risk immunocompromised populations. Posaconazole has demonstrated superiority over fluconazole and itraconazole in neutropenic leukemia populations, while mold-active azoles including voriconazole and isavuconazole offer expanded prophylactic options in select patients. Therapeutic drug monitoring, drug interaction management, and individualized risk stratification are critical pharmacist-driven components of care. Safety findings remain consistent with known azole-associated toxicities including hepatotoxicity, QT interval alterations, neuropsychiatric effects, and cytochrome P450-mediated drug interactions.
Azole antifungal prophylaxis remains a cornerstone strategy for prevention of IFIs in immunocompromised patients. Current evidence supports individualized, risk-based selection of prophylactic agents based on patient-specific risk factors rather than universal application of a single regimen. Pharmacists play a central role in optimizing prophylaxis through therapeutic drug monitoring, medication reconciliation, and toxicity mitigation. Additional studies are needed to optimize prophylaxis strategies and improve patient outcomes.