Head trauma: when careful assessment's a matter of life and death.
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Biomedical subjects
Publications and source records attributed to J Bailey.
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Ciclazindol, a new tetracyclic compound, appears to be a potentially important antidepressant of the same order as amitriptyline, but with significantly fewer subjective side effects. Although as a group the patients treated with ciclazindol lost weight, clinical improvement was observed to be significantly correlated with the weight gain in both groups. The peripheral adrenergic interactions were studied. In the dosage used (100 mg/day) ciclazindol was observed to be a peripheral Na-reuptake blocker with no significant effect on the postsynaptic alpha-receptors. Plasma concentrations of the drug were estimated and their relationship to the therapeutic outcome, side effects, and adrenergic interaction were studied. No significant change in resting BP or ECG was observed following 4--6 weeks' treatment with ciclazindol.
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54 patients in five centres participated in a study of the relationship between steady-state plasma-levels of amitriptyline (AT) and its active metabolite nortriptyline (NT) and therapeutic response. The participants were inpatients who, after a 7-12 day period of assessment, were rated greater than or equal to 16 on the Hamilton rating scale for depression. They were given 75 mg of amitriptyline for 3 days and then 150 mg daily for an active-treatment period of 6 weeks. Clinical ratings and plasma-samples were obtained at baseline then at 2, 4, and 6 weeks after starting therapy. Contrary to the findings of three previous trials, no important correlations were found between steady-state plasma-levels and therapeutic outcome or corrected side-effects. Corrected side-effects correlated negatively with therapeutic outcome. There seems little advantage in routine monitoring of AT and NT, since variations in plasma-levels do not account for the considerable variation in therapeutic outcome.
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Thirty-two patients who had responded to amitriptyline (150 mg daily) when suffering from a depressive illness were allocated either to receive placebo or to remain on the same medication for one year. Plasma concentrations of the drug were regularly estimated. There was no correlation between plasma concentration and subsequent residual affective morbidity. In spite of considerable encouragement, three of the patients did not take the prescribed amitriptyline and they all relapsed. Five out of sixteen patients who received placebo relapsed. None of the patients who continued to take amitriptyline relapsed. It is emphasized that the patients studied were selected, inasmuch as they were apparent responders to amitriptyline. It is concluded that this group of patients should continue to be treated with antidepressant medication for eight months after apparent recovery, and care should be taken to ensure the patients' compliance.
Forty-one out-patients with a history of at least three attacks of depressive illness were randomly allocated to treatment on a double-blind basis for one year with either mianserin 20 mg three times daily plus placebo lithium tablets, or to lithium tablets once daily plus placebo mianserin tablets. After one year, the dosage of mianserin was increased to 30 mg t.d.s. for a further six months. All but three of the patients had previously been stabilized on prophylactic lithium therapy. Lithium was found to be significantly superior to mianserin in avoiding admission to hospital or ECT. The overall affective morbidity index, calculated from global rating, showed no significant difference between drugs, but the index of the mianserin group was higher in the second six months than in the first. The lithium group showed no such change. Lithium remains the choice for the prophylaxis of unipolar recurrent depressive illness.
Fifteen patients underwent controlled trial with transfer factor for repeated infections and severe asthma. Marked decrease in respiratory infections and striking improvement in asthma resulted. The authors suggest that transfer factor may reconstitute immune function, thus representing a unique approach to severe asthma associated with frequent infections.
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Lithium therapy has been shown to have a therapeutic influence in reducing the drinking and incapacity by alcohol in depressive alcoholics in a prospective double-blind placebo-controlled trial conducted over one year, but it had no significant effect on non-depressed patients. Patients in the trial treated by placebo had significantly greater alcoholic morbidity if they were depressive than if they were non-depressive.
A double-blind prospective study was carried out comparing the prophylactic effect of maprotiline and lithium carbonate over a period of 1 year in patients suffering from recurrent affective disorders. The average Affective Morbidity Index was lower, but not significantly so, in patients treated with lithium. A further analysis based on dividing patients into those with no affective morbidity and those who showed some affective morbidity during the study, demonstrated lithium carbonate to be significantly superior to maprotiline in both the group as a whole and in unipolar depressives.