Dataset Information

Cefaclor as a first-line treatment for acute uncomplicated cystitis: a retrospective single-center study.

ABSTRACT:

Background

Wide-spectrum antibiotics have been favored to treat acute uncomplicated cystitis (AUC) for a long time, leading to the emergence of multi-drug resistant bacteria. We hypothesize that narrow-spectrum antibiotics might mitigate the issue and aim to investigate the clinical efficacy of cefaclor in patients with AUC.

Methods

We retrospectively reviewed the clinical data of female outpatients with AUC treated with cefaclor and evaluated the safety and clinical efficacy. Clinical cure was defined as the elimination of clinical symptom under 4 white blood cells (WBCs) per high power field on microscopy.

Results

Overall, 223 women with AUC were enrolled. Escherichia coli was the dominant pathogen (n?=?160; 68.6%), followed by Klebsiella species and E. coli-extended spectrum ?-lactamase (ESBL) (n?=?19; 8.1% and n?=?18; 7.7%). Overall success rate was 94.0% (n?=?219) and susceptibility rate of cefazolin was 84.1%, which was close to that of levofloxacin (82.9%). Ampicillin showed the lowest rate of 63.7% with a significantly greater resistance rate of 35.3% among all antibiotics (P?ConclusionCefaclor showed excellent efficacy in AUC patients, even in those with in vitro resistance to cefazolin or levofloxacin. Cefaclor may be considered as a first-line option in patients with AUC and a second-line option for those with levofloxacin treatment failure.

SUBMITTER: Koguchi D

PROVIDER: S-EPMC7137291 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Publications

Cefaclor as a first-line treatment for acute uncomplicated cystitis: a retrospective single-center study.

Koguchi Dai D Murakami Yasukiyo Y Ikeda Masaomi M Dobashi Masato M Ishii Junichiro J

BMC urology 20200406 1

<h4>Background</h4>Wide-spectrum antibiotics have been favored to treat acute uncomplicated cystitis (AUC) for a long time, leading to the emergence of multi-drug resistant bacteria. We hypothesize that narrow-spectrum antibiotics might mitigate the issue and aim to investigate the clinical efficacy of cefaclor in patients with AUC.<h4>Methods</h4>We retrospectively reviewed the clinical data of female outpatients with AUC treated with cefaclor and evaluated the safety and clinical efficacy. Cli ...[more]

PMID: 32252747

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Project description:BackgroundStereotactic radiosurgery/radiotherapy (SRS/SRT) and novel systemic treatments, such as tyrosine kinase inhibitors (TKIs) and immune checkpoint inhibitors (ICIs), have demonstrated to be effective in managing brain metastases in non-small cell lung cancer (NSCLC). However, the optimal treatment sequence of SRS/SRT and TKI/ICI remains uncertain. This retrospective monocentric analysis addresses this question by comparing the outcomes of patients with NSCLC brain metastases who received upfront SRS/SRT versus those who were initially treated with TKI/ICI.MethodsAll patients treated with SRS/SRT and TKI/ICI for NSCLC brain metastases were collected from a clinical database. The patients who received first-line TKI or ICI for the treatment of brain metastases were then selected for further analysis. Within this cohort, a comparative analysis between upfront SRS/SRT and patients initially treated with TKI/ICI was conducted, assessing key parameters such as overall survival (OS), intracranial progression-free survival (iPFS) and treatment-related toxicity. Both OS and iPFS were defined as the time from SRS/SRT to either death or disease progression, respectively.ResultsThe analysis encompassed 54 patients, of which 34 (63.0%) patients received SRS/SRT and TKI/ICI as their first-line therapy. Of the latter, 17 (50.0%) patients received upfront SRS/SRT and 17 (50.0%) were initially treated with TKI/ICI; 24 (70.6%) received SRS/SRT and ICI, and 10 (29.4%) received SRS/SRT and TKI. The cohorts did not significantly differ in the univariable analyses for the following parameters: sex, age, histology, molecular genetics, disease stage at study treatment, performance status, number of brain metastases, treatment technique, tumor volume, target volume, disease progression, radiation necrosis, dosimetry. While no significant differences were found in terms of iPFS and OS between patients treated with upfront SRS/SRT and patients initially treated with TKI, upfront SRS/SRT demonstrated significantly superior OS when compared to patients initially treated with ICI (median OS not reached vs. 17.5 months; mean 37.8 vs. 23.6 months; P=0.03) with no difference in iPFS. No significant differences in treatment-related toxicity were observed among the cohorts.ConclusionsIn this retrospective, single-center cohort study, patients treated with upfront SRS/SRT demonstrated significantly longer OS compared to patients initially treated with ICI in the cohort receiving first-line therapy for brain metastases. However, given the retrospective design and the limited cohort size, definitive conclusions cannot be drawn from these findings. Nevertheless, the results suggest that the timing of SRS/SRT may play an important role in treatment outcomes. Further investigation, preferably through prospective randomized trials, is warranted to provide more conclusive answers to this important question.

Dataset Information

Cefaclor as a first-line treatment for acute uncomplicated cystitis: a retrospective single-center study.

Background

Methods

Results

Publications

Cefaclor as a first-line treatment for acute uncomplicated cystitis: a retrospective single-center study.

Similar Datasets

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