Working Paper Article Version 1 This version is not peer-reviewed

Treatment of Urinary Tract Infections With Canephron® in Germany: A Retrospective Database Analysis

Version 1 : Received: 12 April 2021 / Approved: 13 April 2021 / Online: 13 April 2021 (13:11:11 CEST)

A peer-reviewed article of this Preprint also exists.

Höller, M.; Steindl, H.; Abramov-Sommariva, D.; Wagenlehner, F.; Naber, K.G.; Kostev, K. Treatment of Urinary Tract Infections with Canephron® in Germany: A Retrospective Database Analysis. Antibiotics 2021, 10, 685. Höller, M.; Steindl, H.; Abramov-Sommariva, D.; Wagenlehner, F.; Naber, K.G.; Kostev, K. Treatment of Urinary Tract Infections with Canephron® in Germany: A Retrospective Database Analysis. Antibiotics 2021, 10, 685.

Journal reference: Antibiotics 2021, 10, 685
DOI: 10.3390/antibiotics10060685

Abstract

Objective: The goal of the present study was to evaluate the treatment with Canephron® after the diagnosis of acute cystitis or urinary tract infection (UTI) with regards to the risk of a sporadic recurrent UTI, frequent recurrent UTIs, UTI associated sick leave, additional antibiotic prescriptions, and renal complications (pyelonephritis) compared to standard antibiotic treatment. Methods: This retrospective cohort study was based on data from the IMS® Disease Analyzer database (IQVIA), and included outpatients in Germany with at least one diagnosis of acute cystitis or UTI with a prescription of either Canephron® or standard antibiotics between January 2016 and June 2019 in general practitioner (GP), gynecologist, or urologist practices from which data were obtained. Multivariable regression models were used to investigate the association between Canephron® prescription and the amount of sporadic or frequent recurrent UTIs, as well as the duration of UTI associated sick leave, amount of additional antibiotic prescriptions, and cases of pyelonephritis. The effects of Canephron® were adjusted for age, sex, insurance status, and Charlson Comorbidity Score (CCI). Results: 2,320 Canephron® patients and 158,592 antibiotic patients were available for analysis. Compared to antibiotic prescription, Canephron® prescription was significantly associated with less sporadic recurrences of UTI infections 30-365 days after the index date (odds ratio [OR]: 0.66; 95% confidence interval [CI]: 0.58–0.72), as well as with less frequent recurrences of UTI infections (OR: 0.61; 95% CI: 0.49–0.88), and with minor additional antibiotic prescription within 31-365 days (OR: 0.57; 95% CI: 0.52-0.63). No significant differences were observed between the Canephron® and antibiotic cohorts with regard to the likelihood of sick leave (OR: 0.99; 95% CI: 0.86–1.14), new antibiotic prescription within 1-30 days (OR: 1.01; 95% CI: 0.87-1.16) and occurrences of pyelonephritis (Hazard Ratio (HR): 1.00; 95% CI: 0.67-1.48). Conclusion: These real world data show that Canephron® is an effective and safe symptomatic treatment for acute cystitis or UTI. It should be considered as an alternative treatment in particular also to strengthen antimicrobial stewardship strategies.

Keywords

Canephron, antibiotic, urinary tract infections, cohort study, herbal treatment

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