Publications by authors named "Paul van der Linden"

Introduction: There is ongoing debate about the clinical significance of the Drug-Drug Interaction (DDI) between low-dose methotrexate (LD-MTX) and the short-term use of non-steroidal anti-inflammatory drugs (NSAIDs), and clear guidance for DDI management is lacking. This review addresses this gap by providing a comprehensive overview of the current data on the DDI between LD-MTX and NSAIDs, to offer guidance on DDI management during short-term analgesic use.

Areas Covered: To explore the pharmacokinetic and pharmacodynamic aspects of the DDI between LD-MTX (≤30 mg weekly) and NSAIDs for short-term analgesic use (≤14 days), two literature searches were conducted in PubMed in May 2024.

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Nitazenes, a class of highly potent synthetic opioids, have emerged as a significant public health concern in Europe. This highly potent opioid can cause severe, potentially life-threatening intoxications even at small dosages. This case describes the first nitazene intoxication reported in the Netherlands, specifically with isotonitazepyne.

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The liver is crucial for metabolizing the anticancer drug palbociclib, but limited information is available on the impact of hepatic impairment on its toxicity and efficacy, with no real-world data available. This study aims to evaluate how hepatic impairment affects hematological toxicity and progression-free survival (PFS) of palbociclib in advanced hormone receptor-positive/human epidermal growth factor receptor 2-negative breast cancer, using the National Cancer Institute scoring system, in a large real-world dataset. This multicenter retrospective observational study included female patients treated with palbociclib between August 2017 and February 2024.

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Background: The advent of Large Language Models (LLMs) such as ChatGPT introduces opportunities within the medical field. Nonetheless, use of LLM poses a risk when healthcare practitioners and patients present clinical questions to these programs without a comprehensive understanding of its suitability for clinical contexts.

Objective: The objective of this study was to assess ChatGPT's ability to generate appropriate responses to clinical questions that hospital pharmacists could encounter during routine patient care.

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The objective of this analysis is to investigate the risk of hyperkalemia in hospitalized patients using sulfamethoxazole-trimethoprim (Co-trimoxazole) and a potassium-sparing drug (potassium-sparing diuretic or renin-angiotensin system [RAS]-inhibitor). Researchers conducted a nested case control study within a cohort of hospitalized patients using a potassium-sparing diuretic and/or a RAS-inhibitor from the PHARMO Database Network. Researchers estimated the odds ratios (ORs) and 95% confidence intervals (CI) for the risk of hyperkalemia in patients receiving both Co-trimoxazole and a potassium-sparing drug compared with patients only receiving a potassium-sparing drug.

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Recent studies have explored the influence of obesity and critical illness on ciprofloxacin pharmacokinetics. However, variation across the subpopulation of individuals with obesity admitted to the intensive care unit (ICU) with varying renal function remains unexamined. This study aims to characterize ciprofloxacin pharmacokinetics in ICU patients with obesity and provide dose recommendations for this special population.

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ChatGPT is a language model that was trained on a large dataset including medical literature. Several studies have described the performance of ChatGPT on medical exams. In this study, we examine its performance in answering factual knowledge questions regarding clinical pharmacy.

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Purpose: Clinical decision support systems (CDSS) are used to identify drugs with potential need for dose modification in patients with renal impairment. ChatGPT holds the potential to be integrated in the electronic health record (EHR) system to give such dosing advices. In this study, we aim to evaluate the performance of ChatGPT in clinical rule-guided dose interventions in hospitalized patients with renal impairment.

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Background: Quality indicators (QIs) can be used to obtain valuable insights into prescribing quality. Five quantitative and nine diagnosis-linked QIs, aiming to provide general practitioners (GP) with feedback on their antibiotic prescribing quantity and quality, were previously developed and evaluated in a controlled study.

Objective: To confirm, in a larger non-controlled study, the feasibility of using routinely collected and extracted electronic patient records to calculate the diagnosis-linked QI outcomes for antibiotic prescribing, and their reliability and validity.

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Article Synopsis
  • A study was conducted to evaluate the effectiveness of home-based monitoring versus hospital-controlled monitoring for frozen-thawed embryo transfer (FET) timing in women undergoing assisted reproductive techniques.
  • The trial involved 1,464 women, randomly assigned to either home-based or hospital-controlled monitoring, and aimed to determine if home monitoring could achieve similar pregnancy rates without needing hospital visits.
  • Results showed nearly identical ongoing pregnancy rates in both groups (20.8% for home-based and 20.9% for hospital-controlled), confirming that home monitoring is a viable alternative without compromising fertility outcomes.
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Background: Older patients are vulnerable to experiencing drug related problems (DRPs), which may result in emergency department (ED) visits. However, it is not standard practice to conduct medications reviews during ED visit. The aim of this study was to assess the number of DRPs in older patients living with frailty at the ED, identified through pharmacist-led medication reviews within a geriatric care team, and to determine the acceptance rate of pharmacists' recommendations among hospital physicians and general practitioners or elderly care specialists.

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Purpose: Recent studies suggest that women are more susceptible to diuretic-induced hyponatremia resulting in hospital admission than men. The aim of this study was to confirm whether these sex differences in hyponatremia-related hospital admissions in diuretic users remain after adjusting for several confounding variables such as age, dose, and concurrent medication.

Methods: In a case-control design nested in diuretic users, cases of hyponatremia associated hospital admissions between 2005 and 2017 were identified from the PHARMO Data Network.

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In this article we provide an overview of the current treatment recommendations for COVID-19. These recommendations are made by the SWAB (StichtingWerkgroepAntibioticabeleid), in cooperation with the FMS (FederatieMedischSpecialisten (online: swab.nl/nl/covid-19.

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Background: The Dutch Working Party on Antibiotic Policy (SWAB) in collaboration with relevant professional societies, has updated their evidence-based guidelines on empiric antibacterial therapy of sepsis in adults.

Methods: Our multidisciplinary guideline committee generated ten population, intervention, comparison, and outcome (PICO) questions relevant for adult patients with sepsis. For each question, a literature search was performed to obtain the best available evidence and assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system.

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Article Synopsis
  • The study evaluates how (morbid) obesity affects the pharmacokinetics of ciprofloxacin, a commonly used antibiotic, during oral and intravenous administration.
  • A total of 28 participants were analyzed, revealing no significant differences in drug absorption, clearance, or distribution between obese and non-obese individuals, despite predictions of lower soft tissue concentrations in obese patients.
  • The conclusion suggests that standard ciprofloxacin dosages are generally sufficient for treating infections in obese individuals, though higher doses might be needed for infections in tissues with poor drug penetration.
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Background: Fluconazole is commonly used to treat or prevent fungal infections. It is typically used orally but in critical situations, IV administration is needed. Obesity may influence the pharmacokinetics and therapeutic efficacy of a drug.

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Background: Adults hospitalised to a non-intensive care unit (ICU) ward with moderately severe community-acquired pneumonia are frequently treated with broad-spectrum antibiotics, despite Dutch guidelines recommending narrow-spectrum antibiotics. Therefore, we investigated whether an antibiotic stewardship intervention would reduce the use of broad-spectrum antibiotics in patients with moderately severe community-acquired pneumonia without compromising their safety.

Methods: In this cross-sectional, stepped-wedge, cluster-randomised, non-inferiority trial (CAP-PACT) done in 12 hospitals in the Netherlands, we enrolled immunocompetent adults (≥18 years) who were admitted to a non-ICU ward and had a working diagnosis of moderately severe community-acquired pneumonia.

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Objective: At the beginning of the COVID-19 pandemic in the Netherlands, the Dutch Working Party on Antibiotic Policy constructed an advisory document about off-label drug treatment options that was regularly updated with new scientific findings. The aim of this study is to describe the dynamics in applied COVID-19 pharmacotherapy during the first 100 days of the pandemic and to assess how the national advisory document influenced local hospital policies.

Methods: A multicentre observational cohort study was conducted in six hospitals in the Netherlands.

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Purpose: Current guidelines have no sex-specific dosage advice for metoprolol. To evaluate whether women and men are prescribed the same dose a cohort analysis was performed in the population-based Rotterdam Study (RS). Results were replicated in the Integrated Primary Care Information (IPCI) database of automated general practice data.

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Much has changed in the medical treatment of COVID-19 after the first patient with an infection with SARS-CoV-2 in the Netherlands was diagnosed in February 2020. On the basis of limited data, at first only off-label use of (hydroxy)chloroquine seemed to be a treatment option. However, now based on the findings of several randomized studies, other medicines have been included in the Dutch guidelines about the treatment of COVID-19.

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Objectives There is a global increase in infections caused by Gram-negative bacteria. The majority of research is on bacteremic Gram-negative infections (GNI), leaving a knowledge gap on the burden of non-bacteremic GNI. Our aim is to describe characteristics and determine the burden of bacteremic and non-bacteremic GNI in hospitalized patients in the Netherlands.

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Article Synopsis
  • The study investigates the impact of antibiotic resistance on mortality from Gram-negative infections in the Netherlands, as previous research highlighted its serious consequences globally.
  • Researchers analyzed data from eight hospitals between 2013 and 2016, comparing 1954 Gram-negative infections with matched control patients to look for differences in 30-day mortality rates due to antibiotic resistance.
  • The findings indicate that antibiotic resistance did not significantly raise the risk of 30-day mortality among infected patients in the Netherlands, contrasting with international studies suggesting higher risks.
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