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Using epidemiologic data, in an earlier study we formulated the hypothesis that estrogens can delay the onset of schizophrenia in females by raising the vulnerability threshold for this disease. In animal experiments, Häfner and colleagues found evidence that chronic estradiol treatment reduces the sensitivity of dopamine (D2) receptors in the brain. In the(More)
The authors investigated 31 drug-free inpatients with major depression using dl-fenfluramine (dl-FEN) as a serotonin probe (fenfluramine stimulation test, FFT). The FFT was performed in the same individuals (intraindividual comparison) with and without application of dl-FEN and before and after antidepressive treatment. Blood samples were analyzed for(More)
We investigated whether subclinically hyperthyroid individuals selected from a nonpatient working population exhibit similar impairments to those found in studies with patients. Sixteen subclinically hyperthyroid subjects without apparent reason (SH-0) and 15 subclinically hyperthyroid subjects on levothyroxine (SH-T4) were compared with 27 euthyroid(More)
We investigated whether subclinical hyperthyroidism [subnormal basal thyroid-stimulating hormone (TSH) level, attenuated TSH response to thyrotropin-releasing hormone (TRH) stimulation, peripheral thyroid hormones within normal range] is accompanied by physical and mental changes. Thirty-five subclinically hyperthyroid patients (27 female, 8 male) were(More)
Cerebrolysin (Cere) is a compound with neurotrophic activity which has been shown to be effective in the treatment of Alzheimer's disease (AD) in earlier trials. The efficacy and safety of repeated treatments with Cere were investigated in this randomized, double-blind, placebo-controlled, parallel-group study. One hundred and forty-nine patients were(More)
The study reported here was undertaken to establish the degree to which a person in a preclinical state of hyperthyroidism, with (by definition) euthyroid T3 and T4 levels but suppressed TRH on testing, already exhibits psychological changes and clinical symptoms. Two groups of 20 patients each, with clear clinical and preclinical hyperthyroidism (as(More)
The purpose of this study was to compare cortical inhibition in the hand region of the primary motor cortex between subjects with focal hand dystonia (FHD), adductor spasmodic dysphonia (AdSD), and healthy controls. Data from 28 subjects were analyzed (FHD n=11, 53.25 ± 8.74 y; AdSD: n=8, 56.38 ± 7.5 y; and healthy controls: n=941.67 ± 10.85 y). All(More)
In patients with severely acute diseases, a special relationship of thyroidal hormones with decreased T3 and increased rT3 levels is known, the so-called low T3 syndrome. The aim of this study was to elucidate the involvement of the hypothalamo-pituitary thyroid axis, the pituitary-gonadal axis, the altered hepatic function, the plasma proteins in the low(More)
Subclinical thyroid disorders have received increasing attention in recent years due to refined laboratory methods and a stronger emphasis on the role of preventive medicine. We performed a screening for thyroid-stimulating hormone (TSH) on 6884 persons in a working population. In cases in which TSH was not within the normal range we also measured the(More)
In the course of a 16 weeks' interval treatment of migraine in connection with two multicenter double-blind studies, flunarizine was compared with propranolol in patients suffering predominantly from "classical migraine". Eighty-seven patients from 12 outpatient departments were admitted to the first study, while 434 patients from 99 medical practices(More)