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Biomedical subjects

A Barner

Publications and source records attributed to A Barner.

7 recordsLinked to original sources
PubMed1996

Review of clinical trials and benefit/risk ratio of meloxicam.

Meloxicam is a new once daily non-steroidal anti-inflammatory drug (NSAID). Double-blind trials in over 5000 patients with osteoarthritis and rheumatoid arthritis have shown that meloxicam 7.5 mg and 15 mg are significantly more effective than placebo and comparable in efficacy to standard NSAIDs such as naproxen 750-1000 mg, piroxicam 20 mg and diclofenac 100 mg slow release. In a global safety analysis, both meloxicam doses produced significantly fewer gastrointestinal (GI) side effects than the comparators (p < 0/05). Severe GI side effects, discontinuations due to GI side effects and less serious events such as dyspepsia and abdominal pain were also significantly less frequent with meloxicam. Perforations, ulcerations and bleedings occurred in 0.1%, 0.2%, 1.2%, 0.6% and 2.1% of meloxicam 7.5 mg, 15 mg, piroxicam, diclofenac and naproxen patients respectively (p < 0.05 for piroxicam and naproxen compared with meloxicam). This improved safety profile is likely to be due to meloxicam's selective inhibition of COX-2 relative to COX-1.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed1991

The disposition of [14C]-labelled benazepril HCl in normal adult volunteers after single and repeated oral dose.

1. The disposition of [14C]-labelled benazepril HCl, an ACE-inhibitor, was studied in four normal adult volunteers after a single oral dose of 20 mg and after repeated doses of 20 mg once daily for 5 days. Radioactivity was measured in plasma, urine and faeces. The prodrug ester benazepril and the pharmacologically active metabolite benazeprilat were determined quantitatively in plasma and urine by a g.c.-m.s. method. The pattern of metabolites in urine was analysed semiquantitatively by h.p.l.c.-radiometry. 2. After a single oral dose at least 37% was absorbed, as indicated by urinary recovery. The peak plasma concentration of benazepril (0.58 +/- 0.13 nmol/g (SD] was observed at 0.5h after dose, indicating rapid absorption. Peak concentrations of radioactivity (1.88 +/- 0.48 nmol/g) and of active benazeprilat (0.84 +/- 0.25 nmol/g) were observed at 1 h after dose, demonstrating rapid bioactivation. 3. The area under the plasma curve (AUC0-96 h) of total radioactivity amounted to 9.7 +/- 1.1 (nmol/g)h, 5% of which was accounted for by benazepril and about 50% by benazeprilat. 4. Over 9 days 96.8 +/- 0.5% of the dose was excreted in urine and faeces. Urinary excretion accounted for 37.0 +/- 6.0% of the dose, 80% of which was recovered in the first 8 h after dosing. 5. In urine, only 0.4% of the dose (1% of the radioactivity) was excreted as unchanged benazepril, indicating that the compound was extensively metabolized. Benazeprilat accounted for 17% of the dose (about half of the radioactivity; 0-96 h). Glucuronide conjugates of benazepril and benazeprilat constituting approximately 11% and 22% of the radioactivity (about 4% and 8% of the dose; 0-48 h) were tentatively identified. 6. Repeated oral treatment with benazepril HCl did not influence the pharmacologically relevant kinetics and disposition parameters.

Administration, Oral↗
PubMed1988

Interaction between furosemide and the converting enzyme inhibitor benazepril in healthy volunteers.

Single oral doses of 10 mg converting enzyme inhibitor benazepril (CGS 14824A) and 40 mg furosemide were administered to 12 healthy male volunteers either separately or concomitantly. The pharmacokinetic parameters of benazepril were not influenced by coadministration of furosemide. Urinary excretion of total furosemide was significantly reduced by 10 to 20% in the presence of benazepril. This effect was considered clinically insignificant. Erect blood pressure decreased and pulse rate increased only during concomitant treatment.

Adult↗