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Homozygous tottering mice (tg, autosomal recessive) exhibit frequent spontaneous "absence" seizures accompanied by bilaterally synchronous spike-and-wave or polyspike electrocorticographic discharges. In adult tottering mice, the antiepileptic effects of a single dose of ethosuximide, diazepam, phenobarbital, or phenytoin were assessed using continuous(More)
Ciprofloxacin was administered to 12 healthy male volunteers at doses of 300 and 400 mg intravenously (i.v.) and 500 and 750 mg orally in a randomized, double-blind, single-dose, four-period crossover study. On each treatment day, each subject received both oral and i.v. formulations, one of which was a placebo. Blood and urine samples were obtained through(More)
The pharmacokinetics, safety, and tolerability of oral moxifloxacin, a new 8-methoxy quinolone, were assessed in a randomized, double-blind, placebo-controlled study in which healthy male and female volunteers received either 400 mg of moxifloxacin once daily (n = 10) or a placebo once daily (n = 5) for 10 days. Plasma moxifloxacin concentrations on days 1(More)
The oral bioequivalence and tolerability of two ciprofloxacin formulations (tablet and suspension) and the effect of food on the absorption of ciprofloxacin oral suspension were investigated. Sixty-eight young, healthy male subjects participated in two separate, randomized, crossover studies. In study 1, ciprofloxacin as a single 500 mg tablet or as 500(More)
Electromyographic (EMG) and histological studies were carried out with the new mouse mutant myotonia (mto, autosomal recessive). Affected animals exhibited behavioral myotonia which was apparent at 2 weeks of age. EMG studies revealed myotonic discharges (prolonged repetitive discharges with recurrent variation in amplitude and frequency) in all skeletal(More)
The Food and Drug Administration (FDA) issued a second-draft guidance in August 1999 on the subject of in vivo bioequivalence, which is based on the concepts of individual and population bioequivalence (IBE and PBE, respectively). The intention of this guidance is to replace the 1992 guidance that requires that in vivo bioequivalence be demonstrated by(More)
We report a case of hypervagotonia manifested by idioventricular rhythm in a healthy, athletic man who participated in a Phase I study of an investigational calcium-channel blocker. Upon breaking the study's double-blind study code, it was discovered that the subject had received placebo. We discuss this unusual finding and the implications of including(More)
OBJECTIVE Moxifloxacin is a new 8-methoxyfluoroquinolone with a broad antibacterial spectrum. The purpose of the present study was to determine the effects of age and gender on pharmacokinetics, surrogate pharmacodynamics, safety and tolerability of a single dose of moxifloxacin. DESIGN This was a randomised, double-blind, placebo-controlled,(More)
To determine if ciprofloxacin therapy alters the response to warfarin treatment, 36 adult patients attending three university-affiliated outpatient anticoagulation clinics randomly received a 12-day course of ciprofloxacin (750 mg twice daily) and a 12-day course of placebo; each course was separated by a 2-week washout period. Prothrombin times (PTs),(More)