乌罗波特 (UROPOT):一项随机双盲I/II期试验的研究方案,用于在泌尿道中基于代谢的抗微生物预防的增强作用
Kevin Stritt1, Beat Roth1,2, Audrey Masnada1
1Department of Urology, Lausanne University Hospital, Lausanne, Switzerland.
Trials
|October 15, 2024
概括
在UROPOT研究中,研究了一种新的方法,以预防在接受手术的无症状细菌性尿病患者感染. 这种新的方法使用曼尼托尔增强的阿米卡来降低抗生素剂量并对抗生物膜的形成.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 传染性疾病 传染性疾病
- 药理学 药理学是指药理学的学科.
背景情况:
- 尿路导管 (例如,双J支架) 易受细菌殖民和生物膜的形成,导致无症状的细菌尿.
- 泌尿外科手术可能会导致粘膜病变,增加无症状细菌尿症患者的感染风险.
- 支架上的生物膜通过促进抗生素耐受性来降低抗生素的有效性,使感染预防复杂化.
研究的目的:
- 评估一种新的基于新陈代谢的氨基糖化物强化策略,以预防无症状细菌尿症的传染性并发症.
- 评估这种新的抗微生物方法的抗耐受性疗效.
- 为了比较曼尼托尔增强低剂量阿米卡辛与标准抗生素预防的疗效.
主要方法:
- 阶段I/II,单中心,随机,双盲试验在洛桑大学医院.
- 招募90名患有无症状大肠杆菌和/或Klebsiella pneumoniae细菌尿症的患者,接受泌尿外科手术.
- 三个治疗臂:曼尼托尔增强低剂量阿米卡辛与标准赛夫或阿米卡辛.
主要成果:
- 主要结局:在48小时内进行手术后尿路感染的比较发病率.
- 二次结果:微生物根除,抗生物膜活性,曼尼托和阿米卡辛的药理动力学.
- 安全结果:不良事件和术后手术并发症的发生率高达14天.
结论:
- 乌罗波特试验测试了一种新的"代谢强化"策略,用于抗生素预防.
- 这种方法旨在降低氨基糖化物剂量并准生物膜活性.
- 潜在的益处包括预防感染和实现持续的微生物根除,特别是对于需要经常性手术的内置支架患者.
相关概念视频
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
2
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
2
Urine Studies II: Urine Culture and Sensitivity Test
3
A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
3
Urinary Tract Infection II: Pathophysiology
2
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
2
Clinical Trials: Overview
2.9K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
2.9K
Drug Metabolism: Phase II Reactions
3.7K
Phase II reactions are essential for the detoxification and elimination of drugs from the body. These reactions involve the conjugation of parent drugs or their phase I metabolites with endogenous molecules, resulting in more hydrophilic drug conjugates. The primary conjugation reactions in this phase are sulfation and glucuronidation. Both sulfation and glucuronidation typically produce biologically inactive metabolites. However, in some cases involving prodrugs, active metabolites may be...
3.7K
Drug Metabolism: Phase I Reactions
3.2K
A phase I reaction is a biochemical process that introduces a functionally reactive polar group to a substance. This transformation predominantly occurs in the liver, facilitated by the cytochrome P450 system of hemoproteins situated in the lipophilic endoplasmic reticulum of cells. The metabolite generated through this process can have varying polarities. If it is sufficiently polar, it can be easily excreted in the urine due to its water compatibility. However, if the metabolite is nonpolar,...
3.2K


