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Biomedical subjects

E Moll

Publications and source records attributed to E Moll.

At least 19 recordsLinked to original sources

Long-term treatment with moclobemide. An open-label, non-comparative, multiple-distributed study in patients with a major depressive episode as defined by DSM-III.

Evaluation of 247 patients receiving long-term moclobemide treatment showed that it was effective as an antidepressant, as measured both by decrease in HAMD mean total score and the doctor's evaluation of therapeutic effect. In patients who had been treated for 6 months or less, results were less favourable (ratings of 'very good' or 'good' in 31.5%, compared with 81.3% in patients treated for more than 6 months). This was due to a higher number of drop-outs, as a result of insufficient efficacy in the first 6 months. In those patients who responded favourably, 9.2% relapsed within 6 months of commencing treatment; of the remaining responders, 16% relapsed during months 7-12. In terms of the doctor's evaluation of side-effects, tolerability was 'very good' or 'good' in 88.2%.

Antidepressive Agents

Moclobemide (Ro 11-1163) versus imipramine in the treatment of depression.

Moclobemide and imipramine were compared single-blind in 2 groups of 20 depressed patients (75% and 65% endogenous depression respectively). There was no significant difference between the 2 groups in improvement on the Hamilton Rating Scale for Depression. The final overall assessment of efficacy was good or very good in 80% of the moclobemide patients and 55% on imipramine. Tolerance was good to very good in 95% of moclobemide patients, compared with 80% on imipramine. No severe adverse effects were reported in either group.

Antidepressive Agents

Moclobemide (Ro 11-1163) versus desipramine in the treatment of endogenous depression.

Moclobemide was compared with desipramine in 30 patients with endogenous depression. The Hamilton Rating Scale for Depression showed significantly greater improvement for moclobemide (69%) than for desipramine (45%). The final assessment of tolerance was good or very good in 87% of moclobemide patients compared with 13% of desipramine patients; 5 patients in the first group and all 15 in the second group complained of adverse effects. One patient on moclobemide and 5 on desipramine stopped treatment prematurely because of poor tolerance; no patients stopped treatment because of lack of efficacy. Assessment in this study was made difficult by concomitant treatment with benzodiazepines and/or mild neuroleptics in both groups, but the results of efficacy and tolerance clearly favour moclobemide over desipramine in the treatment of endogenous depression in hospitalized patients.

Antidepressive Agents

Moclobemide versus tranylcypromine in the treatment of depression.

Moclobemide and tranylcypromine were compared in 2 randomized groups of 20 depressed patients each. Fifteen of the patients on moclobemide and 18 of those on tranylcypromine were diagnosed as suffering from endogenous depression. The dosage was 150-300 mg moclobemide and 15-30 mg tranylcypromine daily. At the end of treatment, improvement on the Hamilton Rating Scale for Depression was 59.3% in the moclobemide group and 65.5% in the tranylcypromine group. The final overall assessment of efficacy was good or very good for 68% of the patients on moclobemide and for 85% of those on tranylcypromine. The final assessment of tolerance was good or very good for 85% of the moclobemide patients and 100% of the tranylcypromine patients. None of the differences in scores between the groups were statistically significant. This study therefore yielded comparable results for efficacy and tolerance of the 2 drugs in the treatment of depression.

Antidepressive Agents

Moclobemide (Ro 11-1163) safety in depressed patients.

Safety aspects were compared in 2203 patients given moclobemide and 1214 who received other antidepressants or placebo. A total of 2294 adverse events were reported by patients on moclobemide, mainly subjective symptoms (28.6%). Adverse events such as dry mouth, tremor, sweating, dizziness and constipation occurred much more frequently among 681 patients treated with various tricyclic antidepressants than in the 694 moclobemide patients with whom they were compared. Among 271 placebo-treated patients there were 287 adverse events, compared with 386 events in the 285 moclobemide patients in the same studies. Hypertensive episodes or food-drug interactions were reported by 19 patients on moclobemide and 5 on other antidepressants, but in only 2 of the former was ingestion of cheese a possible cause of headache. The assessment of tolerance on moclobemide was essentially the same as for placebo. Of the 1401 moclobemide patients in the electronic database, only 3.2% stopped treatment prematurely because of poor tolerance; the rates were higher for tranylcypromine, nomifensine, desipramine, clomipramine, amitriptyline and imipramine. During treatment, 6 patients attempted suicide with moclobemide alone (950-2000 mg) or together with imipramine (300 mg and 1200 mg). None of the intoxications was life-threatening.

Antidepressive Agents

[Separate measurements of compact and spongy bone density using a transverse rotation scanner. Determination of mineral content of the radius using a least squares algorithm].

The absorption profile of the distal forearm, which depends on bone mineralisation, was measured using a high resolution microcomputer-controlled transverse rotational scanner with a tightly collimated I-125 photon source and a scintillation counter. Reconstruction of the anatomical structures within the measured area occurred in two stages. Subsequently the linear attenuation coefficient for soft tissues, compacta and spongiosa was obtained by a "least-square" algorithm. The absorption coefficient of the compacta and spongiosa provided a measure of bone mineralisation. Correlation between the reconstructed images and the calculated results and measurements was tested by calculation. Ten measurements of a model and of in vivo bones resulted in a coefficient of variation of 1.8% and 3.3% for the compacta and 2.5% and 3.8% for the spongiosa. Relative deviation from the standard varied from +1.3% to -1.0%, depending on mineral content. This new, technically simple procedure for the separate determination of the compacta and spongiosa in the distal radius is useful for the early recognition of changes in bone mineralisation which are usually apparent first in the spongiosa.

Bone and Bones

Regulation and expression of four cytochrome P-450 isoenzymes, NADPH-cytochrome P-450 reductase, the glutathione transferases B and C and microsomal epoxide hydrolase in preneoplastic and neoplastic lesions in rat liver.

Nitrosamine-induced hepatocarcinogenesis has been used to investigate the regulation and expression of different drug-metabolizing enzymes in preneoplastic and neoplastic lesions in the female Wistar rat. The enzymes investigated were two phenobarbital-inducible cytochrome P-450 (cyt. P-450) isoenzymes (PB1 and PB2, mol. wt. 52 000 and 53 500, respectively), two 3-methylcholanthrene-inducible forms (MC1 and MC2, mol. wt. 54 500 and 57 000, respectively), NADPH-cytochrome P-450 reductase, the cytosolic glutathione transferases (GSTs) B and C and the microsomal epoxide hydrolase with broad substrate specificity (mEHb). Carcinogen-induced lesions were identified by use of the known markers of hepatocarcinogenesis adenosinetriphosphatase and gamma-glutamyl transpeptidase. While the GSTs and mEHb were increased in all preneoplastic and neoplastic lesions, the levels of the individual cyt. P-450 isoenzymes were characteristically different from each other. In many of the early ATPase deficient islets PB1 was elevated, whereas the content of the other cyt. P-450 forms and NADPH-cytochrome P-450 reductase was either unchanged or slightly lowered. At later stages of hepatocarcinogenesis PB1 returned to the levels of the surrounding tissue, while the other cyt. P-450 isoenzymes were decreased, the most prominent reduction being found in MC1. In neoplastic nodules all the cyt. P-450s and NADPH-cyt. P-450 reductase were diminished, some of them dramatically. These findings indicate that in spite of a common response of groups of P-450s to inducing agents, individual P-450 isoenzymes are also regulated separately. Moreover, the constant elevation of mEHb and GSTs in all lesions investigated in this study demonstrates that these enzymes, which are largely involved in deactivation, are regulated in a different fashion from the predominantly carcinogen-activating monooxygenases. The observed differences in enzyme pattern may provide a useful method for subdividing and categorizing preneoplastic and neoplastic lesions.

Animals

[Thyroid hormones].

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Chemical Phenomena