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  • Title: Pivmecillinam versus sulfamethizole for short-term treatment of uncomplicated acute cystitis in general practice: a randomized controlled trial.
    Author: Bjerrum L, Gahrn-Hansen B, Grinsted P.
    Journal: Scand J Prim Health Care; 2009; 27(1):6-11. PubMed ID: 18991182.
    Abstract:
    OBJECTIVE: To investigate whether short-term treatment with pivmecillinam was more effective than sulfamethizole in patients with acute uncomplicated urinary tract infection (UTI). DESIGN: Randomized controlled trial. SETTING: General practice, Denmark. SUBJECTS: Patients (n = 167) with uncomplicated UTI confirmed by positive urine phase-contrast microscopy. MAIN OUTCOME MEASURES: Drug efficacy based on clinical and bacteriological cure. RESULTS: Urinary symptoms disappeared first in patients treated with pivmecillinam, but after five days there was no significant difference in clinical cure rate between the two antibiotics. At the follow-up visit 7-10 days after initiation of treatment, 95.4% of patients treated with pivmecillinam and 92.6% of patients treated with sulfamethizole had no persistent cystitis symptoms (difference 2.8%, CI -4.5%; 10.0%). Bacteriological cure was observed in 68.8% of patients randomized to pivmecillinam and in 77.9% randomized to sulfamethizole (difference -9.2%, CI -24.7%; 6.3%). Some 26.8% of patients randomized to pivmecillinam experienced a new UTI within 6 months after treatment compared with 18.4% of patients randomized to sulfamethizole (difference 8.4%, CI -4.5%;21.4%). No patients developed septicaemia with urinary pathogens within one year after initial treatment. CONCLUSION: Patients treated with a three-day regime of pivmecillinam experienced faster relief of symptoms compared with patients treated with a three-day regime of sulfamethizole. Five days after initiation of treatment there was no significant difference in clinical and bacteriological cure between the two antibiotic regimes.
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