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Hellenic Postprandial Lipemia Study (HPLS): A Prospective Cohort Trial on the Effect of Statins on Postprandial
Genovefa D Kolovou1, Theodoros Katsikas2, Petros Kalogeropoulos1
1Department of Cardiology, Cardiometabolic Center, Lipoprotein Apheresis and Lipid Disorders Clinic, Metropolitan Hospital, Athens, Greece.
Insights
Nearly 30% of high-risk individuals exhibit postprandial hypertriglyceridemia, a risk factor for atherosclerotic cardiovascular disease (ASCVD). Statin therapy effectively normalized abnormal postprandial lipemia in most participants, reducing triglyceride levels.
Area of Science:
- Cardiology
- Lipid Metabolism
- Preventive Medicine
Background:
- Postprandial hypertriglyceridemia is linked to atherosclerotic cardiovascular disease (ASCVD).
- The Hellenic Postprandial Lipemia Study (HPLS) is a large prospective trial investigating statin effects on postprandial lipemia.
Purpose of the Study:
- To assess the prevalence of postprandial hypertriglyceridemia in high-risk ASCVD individuals.
- To evaluate the efficacy of statin therapy in managing postprandial lipemia.
Main Methods:
- 900 high/very high ASCVD risk individuals were enrolled.
- Triglyceride levels (fasting and postprandial) were measured at baseline and after statin treatment.
- Participants received statin therapy after baseline assessment.
Main Results:
- 29.9% of participants showed abnormal postprandial triglyceride (pTG) response.
- Statin treatment significantly reduced mean pTG levels from 188 mg/dL to 140 mg/dL.
- Fasting glucose did not influence pTG response in statin-treated individuals.
Conclusions:
- Postprandial hypertriglyceridemia affects nearly 30% of high-risk ASCVD individuals.
- Statin therapy normalized abnormal postprandial lipemia in 75.6% of participants.
- Statins effectively lowered pTG levels, even in those with normal fasting triglyceride levels.
Introduction/Objective:
Both fasting and postprandial hypertriglyceridemia are associated with atherosclerotic cardiovascular disease (ASCVD). The Hellenic Postprandial Lipemia Study (HPLS, NCT02163044) is the largest prospective cohort trial assessing the effects of statin therapy on postprandial lipemia.
Methods:
Individuals at high or very high risk for ASCVD were evaluated, and their characteristics were recorded at baseline (Visit 1). At Visit 2 (2-4 weeks after Visit 1) and Visit 3 (3-4 months after Visit 2), serum triglyceride (TG) levels were measured after a 12-hour fast (fTG) as well as 4 hours after the ingestion of a commercially available oral fat tolerance test meal (pTG). After Visit 2, all individuals were treated with a statin.
Results And Discussion:
Among 900 participants, 699 completed all 3 visits, and of these, 209 (29.9%) had an abnormal pTG response. The mean (standard deviation, SD) total- and low-density lipoprotein cholesterol concentrations were 225 (50) and 148 (46) mg/dL at Visit 1, 231 (42) and 156 (40) mg/dL at Visit 2, and 171 (28) and 101 (27) mg/dL at Visit 3. At Visit 2, the mean fTG level was 127 (45) mg/dL and pTG was 188 (73) mg/dL with a mean difference of 58 mg/dL (P<0.001). At Visit 3, the mean fTG concentration was 110 (40) mg/dL, while pTG was 140 (54) mg/dL (mean difference: 29 mg/dL; P<0.001). Fasting glucose levels had no impact on pTG response in statin-treated individuals with abnormal postprandial lipemia.
Conclusion:
Nearly 30% of individuals at high-/very high-risk for ASCVD had postprandial hypertriglyceridemia. Statin treatment normalized abnormal postprandial lipemia in 75.6% of participants, and decreased pTG concentration even in those with normal fTG levels.
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