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Biomedical subjects

M Glen-Bott

Publications and source records attributed to M Glen-Bott.

6 recordsLinked to original sources

Nomifensine and convulsive seizures.

Four cases of convulsive seizures occurring during treatment with nomifensine have been notified to the Committee on the Safety of Medicines of the United Kingdom, and 22 cases have been reported from other countries. The occurrence of convulsions is not in keeping with the results of animal experiments, studies of epileptic patients treated with nomifensine or observations made following overdoses of this drug. Nomifensine may thus not be entirely free from epileptogenic properties as previously presumed.

Aged↗

Does viloxazine have epileptogenic properties?

Six cases of convulsive seizures occurring during treatment with viloxazine notified to the Committee on Safety of Medicines (CSM) and two other cases from Japan were reviewed. A critical study of the patient's histories suggests a possible causal connection between drug and seizures in only two of these cases. The occurrence of convulsions is not in keeping with the results of animal experiments and of clinical trials in which epileptic patients were included, both of which suggest that viloxazine does not have epileptogenic properties and may have anticonvulsant actions. A worldwide review of clinical trials in which unwanted effects have been recorded suggests that viloxazine, even if possessing convulsive properties like other anti-depressants, is probably less epileptogenic than conventional tricyclics and is not contraindicated in epileptic patients requiring antidepressant medication.

Adult↗

Mianserin and convulsive seizures.

1 Forty patients have been reported to the Committee on Safety of Medicines (CSM) because of convulsions occurring during treatment with mianserin, suggesting that this drug is more epileptogenic than tricyclic antidepressants. 2 Details concerning 83% of these cases were obtained in a questionnaire study carried out in collaboration with the CSM and compared with those of a control group. 3 Ratings of the relationship between drug and effect carried out by neurologists and J.G.E. showed considerable variations and confidence of a causal connection in only a minority of patients. 4 As the CSM data do not allow for a reliable assessment of the relative epileptogenic effects of antidepressants, a comparison has been made between unpublished work on seizures occurring during treatment with imipramine and amitriptyline and published research on mianserin. This suggests that mianserin is no more epileptogenic than tricyclic antidepressants. 5 Factors that might predispose to seizures include relevant family and past medical history, starting treatment, a change in dose, benzodiazepine withdrawal and concomitant treatment with other drugs that have epileptogenic properties.

Adolescent↗