Cinoxacin concentrations in plasma, urine and prostatic tissue after oral administration to man. 1977

R A Burt, and T Morgan, and J P Payne, and R M Bonner

Cinoxacin, a synthetic antibacterial compound, was given orally in a dose of 500 mg to 8 patients undergoing transurethral prostatectomy. The drug was well absorbed and the peak plasma level (mean 13.9 mcg/ml) occurred 1 or 2 hours after administration. Concentrations of cinoxacin in the urine reached a peak (mean 236.5 mcg/ml) 4 to 6 hours after dosing, and remained higher than the mean MIC for most common urinary pathogens for 12 hours after administration. The concentration of cinoxacin in prostatic tissue 2.5-4 hours after administration varied between 0.6 and 6.3 mcg/g. The individual variations were unrelated to the concurrent plasma level and appeared to be influenced more by inter-subject variation than by the physicochemical properties of the drug. In 1 patient the cinoxacin level was estimated in renal tissue (70.1 mcg/g), in muscle (12.6 mcg/g), and in perirenal fat (4.7 mcg/g).

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011467 Prostate A gland in males that surrounds the neck of the URINARY BLADDER and the URETHRA. It secretes a substance that liquefies coagulated semen. It is situated in the pelvic cavity behind the lower part of the PUBIC SYMPHYSIS, above the deep layer of the triangular ligament, and rests upon the RECTUM. Prostates
D011468 Prostatectomy Complete or partial surgical removal of the prostate. Three primary approaches are commonly employed: suprapubic - removal through an incision above the pubis and through the urinary bladder; retropubic - as for suprapubic but without entering the urinary bladder; and transurethral (TRANSURETHRAL RESECTION OF PROSTATE). Prostatectomy, Retropubic,Prostatectomy, Suprapubic,Prostatectomies,Prostatectomies, Retropubic,Prostatectomies, Suprapubic,Retropubic Prostatectomies,Retropubic Prostatectomy,Suprapubic Prostatectomies,Suprapubic Prostatectomy
D011472 Prostatitis Infiltration of inflammatory cells into the parenchyma of PROSTATE. The subtypes are classified by their varied laboratory analysis, clinical presentation and response to treatment. Acute Bacterial Prostatitis,Asymptomatic Inflammatory Prostatitis,Chronic Bacterial Prostatitis,Chronic Prostatitis with Chronic Pelvic Pain Syndrome,Acute Bacterial Prostatitides,Asymptomatic Inflammatory Prostatitides,Bacterial Prostatitides, Acute,Bacterial Prostatitides, Chronic,Bacterial Prostatitis, Acute,Bacterial Prostatitis, Chronic,Chronic Bacterial Prostatitides,Inflammatory Prostatitis, Asymptomatic,Prostatitides,Prostatitides, Chronic Bacterial
D011724 Pyridazines Six-membered rings with two adjacent nitrogen atoms also called 1,2-diazine.
D004148 Dioxolanes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000892 Anti-Infective Agents, Urinary Substances capable of killing agents causing urinary tract infections or of preventing them from spreading. Antiseptics, Urinary,Antiinfective Agents, Urinary,Urinary Anti-Infective Agents,Urinary Antiinfective Agents,Agents, Urinary Anti-Infective,Agents, Urinary Antiinfective,Anti Infective Agents, Urinary,Urinary Anti Infective Agents,Urinary Antiseptics

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