[Current state of treatment of diabetes mellitus].
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Adolescent↗
Biomedical subjects
A Kirch
Publications and source records attributed to A Kirch.
[Echinococcosis with special reference to lung involvement].
In 31 patients with echinococciasis, the medical history, diagnostic and therapeutic aspects were evaluated. Six of these patients revealed an involvement of the lungs. Their symptoms--deteriorated general condition, pain in the chest, coughing or haemoptysis, were unspecific. Nineteen patients were submitted to surgery; ten patients received intermittent mebendazole. Treatment with this drug resulted in a stabilisation of the patient's condition. In inoperable patients, treatment with benzimidazolene should at least be attempted.
Adult↗
Comparative pharmacokinetics of intravenous ofloxacin and ciprofloxacin.
In ten volunteers the pharmacokinetics of ofloxacin and ciprofloxacin were determined after crossover administration of 100 and 200 mg intravenously (30 min constant infusion). Concentrations in serum and urine were measured by HPLC. Concentrations in serum following parenteral ofloxacin dosages demonstrated dose dependency with long biological half-lives. Pharmacokinetic parameters were calculated on the basis of an open three-compartment model, which resulted in a high volume of distribution for both substances (166-246 1 for ofloxacin, 178-2611 for ciprofloxacin). AUC for ofloxacin was three times higher than that for ciprofloxacin. Approximately 80% of ofloxacin and 57% of ciprofloxacin were eliminated through the kidneys. Ciprofloxacin had a considerable amount of extrarenal clearance, whereas only 19% of ofloxacin were eliminated by extrarenal mechanisms. Only 4.3% of ofloxacin after iv dosing could be detected as metabolites in urine.
Adult↗
Pharmacokinetics of ofloxacin after parenteral and oral administration.
In 10 volunteers, the pharmacokinetics of ofloxacin [HOE 280, DL 8280; (+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H -pyrido-[1,2,3-de] [1,4]benzoxacine-6-carboxylic acid] was determined after administration of 25, 50, 100, and 200 mg intravenously (30-min infusion) as well as 200 and 400 mg orally. Concentrations in serum and urine were measured by high-pressure liquid chromatography. Concentrations in serum following different parenteral ofloxacin dosages demonstrated dose dependency with long biological half-lives of 231 to 267 min. Pharmacokinetic parameters were calculated on the basis of open two- and three-compartment models, which yielded nearly identical results. High volumes of distribution (1.2 to 1.4 liters/kg of body weight) suggested effective diffusion into the extravascular space. High total and renal clearances indicated primarily renal excretion with additional elimination pathways, such as tubular secretion and extrarenal elimination. After oral administration, absorption was excellent, and the absolute bioavailability following 200 mg of ofloxacin could be calculated at greater than 0.95. Maximal concentrations in serum were attained 1.2 to 1.9 h after dosing; areas under the curve increased in proportion to dose between 200 and 400 mg of oral ofloxacin. The amount of known metabolites (demethyl and N-oxide compounds) excreted in urine reached only 4.3% (intravenously) and 4.0% (orally). Transient headaches in some volunteers were the only side effects registered.
Administration, Oral↗