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Biomedical subjects

C Bénichou

Publications and source records attributed to C Bénichou.

At least 19 recordsLinked to original sources

Multiple-dose efficacy comparison of the two topical carbonic anhydrase inhibitors sezolamide and MK-927.

The multiple-dose twice-daily efficacy of the topical carbonic anhydrase inhibitor MK-927, a racemic compound, was compared with that of its pharmacologically more active S-enantiomer in a four-center, double-masked, randomized, placebo-controlled, parallel study of 1.8% sezolamide hydrochloride (MK-417), 2% MK-927, and placebo, given twice daily to 48 patients with bilateral primary open angle glaucoma or ocular hypertension and morning intraocular pressure greater than 24 mm Hg in both eyes following washout of ocular hypotensive medications. Parallel 10-hour modified diurnal curves were performed before the study and on day 14, with 4-hour curves on days 1 and 4. Both compounds demonstrated significant lowering of intraocular pressure at 8 AM, 12 hours following the evening dose, and through 10 and 6 hours following the 8 AM dose for sezolamide and MK-927, respectively. Morning trough (evening) activity as measured by mean percent change in intraocular pressure from prestudy was -9.2% for sezolamide and -11.1% for MK-927 (-13.5% and -9.6%); peak effect occurred 2 hours after dose administration and was -19.4% and -19.2% for sezolamide and MK-927, respectively. From 2 hours after dose administration, sezolamide consistently demonstrated a slightly greater decrease in intraocular pressure than MK-927; however, these differences were not statistically significant.

Administration, Topical↗

Criteria of drug-induced liver disorders. Report of an international consensus meeting.

International reporting of adverse drug reactions by pharmaceutical manufacturers to national drug regulatory authorities requires internationally accepted standard definitions of reactions and criteria for assessment of causality. The Council for International Organizations of Medical Sciences (CIOMS) undertook a pilot project to prepare such definitions and criteria, and proposed to use as its model a series of expert consensus meetings organized in France by the pharmaceutical company, Roussel Uclaf, with the participation of the official French network of pharmacovigilance. Under CIOMS auspices, an international meeting was organized to test the feasibility of adapting for international use the outcome of the French consensus meetings on drug-induced liver disorders. The meeting resulted in a series of proposed standard designations of drug-induced liver disorders and criteria of causality assessment.

Chemical and Drug Induced Liver Injury↗

[Drug-induced renal insufficiency. Results of consensus meetings].

We report the conclusions of consensus meetings organized by the "Direction de la Pharmacovigilance" of Roussel Uclaf, and attended by University Hospital Nephrologists, members of the National Network of Pharmacovigilance and representatives of Roussel Uclaf Drug Monitoring Department, in order to define more accurately, as regards drug-induced renal failure, the criteria and the terminology proposed by the French method of causality assessment of adverse drug reactions.

Humans↗

[Data from a study of variations of arterial pressure during exercise in boys aged 11 to 16].

Systolic, diastolic BP and heart rate were measured in 106 boys aged between 11 and 16 years old, at rest and during exercise on a bicycle ergometer. The results show: -- at rest: an increase in systolic and diastolic BP with age, and a decrease in heart rate; -- during exercise: an increase in systolic BP without an increase, or with a decrease in diastolic BP. The blood pressure readings were higher in overweight and post pubertal subjects. The value of this study lies in the high number of reproducible readings obtained and in the suppression of the effects of emotivity. It completes the observations made at rest in subjects suspected of having hypertension.

Age Factors↗