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In a double-blind, randomised, cross-over trial clofibrate and a combination of polyenyl phosphatidyl choline (PPC) plus clofibrate were tested in 67 patients with hyperlipoproteinemia. Each treatment lasted for 4 weeks and was separated by a 4 week placebo period. The daily doses were clofibrate 1.2 g and PPC 1.8 g + clofibrate 1.2 g, respectively. The results revealed that polypenyl phosphatidyl choline prevented the elevation of LDL-cholesterol induced by clofibrate treatment, and that the lipid-lowering potency of the combination did not differ significantly from that of clofibrate. Since elevation of LDL-cholesterol is considered to increase the risk of coronary heart disease, the combination appears to offer a therapeutic advantage. Despite the significance of this clinical observation, a final decision may only be obtained from a prospective, long term investigation in patients with coronary heart disease and hyperlipoproteinemia.

Summary An investigation has been performed in 49 women about the influence exerted on the glucose-tolerance, insulin and proinsulin secretion by hormonal contraceptives of different types and compositions. A disturbed dynamics of the insulin secretion with elevated values in the OGTT at two and three hours has been proven at a nearly equal degree using combined preparations (Anacyclin, Eugynon, Neogynon, Mikrogynon) or sequential preparations (Kombiquens, Ovanon). Though there has been interference with the glucose tolerance, the serum proinsulin in the OGTT showed increased levels too. When a combined preparation was applied, the proinsulin values were significantly higher compared to a sequential type contraceptive. The observed disturbance of the insulin and proinsulin secretion is explained by a decreased sensitivity to insulin in the peripheral fat tissue.

Summary After healthy persons, aged between 20 and 35 years, had consumed either ethanol or ethanol and fructose, triglycerides, free glycerol, FFA, phospholipids and total cholesterol were determined. After a basic dosage of 0.5 g ethanol/kg body weight, each person received a maeintenance dosage of 0.1 g ethanol/kg body weight and hour. Control experiments were carried out on persons receiving only fructose and on fasting persons who consumed no ethanol.

Summary Fatty acid patterns of plasma lipids and glucose-tolerance in Huntinton's chorea.

Summary Initial diagnosis of sarcoidosis was settled up in 36 patients out of 14640 outpatients of a general medical service within one year. We observed a frequency of 23 cases with acute form of sarcoidosis and 13 patients with primarily chronic disease. The clinical data are reported. Diagnosis should be confirmed in every case by a histological examination of biopsy material. This was possible by blind liver punction in 52%, mediastinoscopy in 100% and by bronchoscopy in 50%. The value of the various procedures in discussed.