The influence of a very-low-calorie diet (VLCD) on lipid pattern is controversial. To evaluate the long-term effect of semistarvation on lipid patterns, a group of severely obese patients [aged 37 +/- 12 y, body mass index (BMI) 40.0 +/- 0.9] underwent a VLCD for 8 wk. Total cholesterol (TC), LDL cholesterol (LDL-C), and HDL cholesterol (HDL-C), triglycerides (TGs), apolipoproteins A1 (apo A1) and B (apo B) were analyzed every week. TC (6.07 +/- 0.23 vs 5.53 +/- 0.25 mmol/L, P less than 0.0008), HDL-C (mmol/L 1.26 +/- 0.06 vs 1.04 +/- 0.05 mmol/L, P less than 0.0001), TGs (1.46 +/- 0.19 vs 1.06 +/- 0.10 mmol/L, P less than 0.0008), and apo A1 (1.57 +/- 0.06 vs 1.32 +/- 0.06 g/L, P less than 0.0002) decreased, whereas LDL-C and apo B showed a biphasic behavior: they significantly fell during the first 3 wk, but during the last weeks returned to their initial values.
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