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Vol. 15. Issue 3.
Pages 99-105 (January 2003)
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Vol. 15. Issue 3.
Pages 99-105 (January 2003)
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Efecto agudo de orlistat la lipemia posprandial
Acute effect of orlistat on postprandil lipenia
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H. Cintoraa,
Corresponding author
hcinr@ciudad.com.ar

Correspondencia: Instituto de Enfermedades Metabólicas. Junín. Argentina.
, C. Gonzálezb, M. Machaina, F. Cintoraa, J. Monteroc
a Instituto de Enfermedades Metabólicas. Junín. Argentina
b Departamento de Farmacología de la Universidad de Buenos Aires. Buenos Aires. Argentina
c Sociedad Argentina de Obesidad y Trastornos Alimentarios. Buenos Aires. Argentina
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Objetivo

Evaluar, en individuos con sobrepeso/obesidad, el efecto de una dosis de 120 mg de orlistat sobre las concentraciones posprandiales (PP) de triglicéridos (TG) y de colesterol de lipoproteínas de alta densidad (cHDL).

Métodos

Treinta y tres individuos portadores de sobrepeso/obesidad (ambos sexos, índice de masa coporal: 31,4 ± 4,4; edad: 44,3 ± 9,9 años) fueron evaluados en dos días consecutivos de estudio. Los individuos recibieron una carga alimentaria estandarizada y moderadamente hipergrasa el día 1 y la misma carga alimentaria más una dosis de 120 mg de orlistat el día 2. En ambos días de estudio se evaluaron concentraciones PP de trigliceridemia, cHDL y el área bajo la curva de TG(AUC de TG) (0-8 h).

Métodos

Treinta y tres individuos portadores de sobrepeso/obesidad (ambos sexos, índice de masa coporal: 31,4 ± 4,4; edad: 44,3 ± 9,9 años) fueron evaluados en dos días consecutivos de estudio. Los individuos recibieron una carga alimentaria estandarizada y moderadamente hipergrasa el día 1 y la misma carga alimentaria más una dosis de 120 mg de orlistat el día 2. En ambos días de estudio se evaluaron concentraciones PP de trigliceridemia, cHDL y el área bajo la curva de TG(AUC de TG) (0-8 h).

Conclusiones

Los resultados de este studio muestran que, en individuos con sobrepeso/obesidad, la adición de orlistat a una carga alimentaria moderadamente hipergrasa se asoció con significativa reducción de la trigliceridemia PP, lo cual representaría un beneficio adicional de la terapéutica con orlistat e independiente de su capacidad para inducer reducción del peso corporal.

Palabras clave:
Obesidad
Orlistat
Lipemia
Posprandial
Triglicéridos
cVLDL
cHDL
cLDL
Aim

To evaluate in overweight/obese subjects the effect of a single dose of orlistat (120 mg) on postprandial (PP) plasma levels of triglycerides (TG) and high-density-lipoprotein cholesterol (HDL-c).

Methods

Thirty-three overweight/obese subjects (20 females and 13 males; mean body mass index 31.4 ± 4.4; mean age 44.3 ± 9.9 years) were evaluated in a two-days study. Subjects received a standardized, fat-containing meal (total 1145 kcal) on day 1 and the same meal plus a single oral dose of orlistat (120 mg) on day 2. PP measurements of TG and HDL-c were performed at 4 and at 8 h after food intake on both days and the area under the PP plasma TG concentration-time curve (TG-AUC) was calculated.

Results

In the whole population of the study, orlistat addition the test meal significantly reduced the mean peak (4 h) of PP TG levels (p 0.001) and the mean TG-AUC (–54.9%; p 0.001). In subjects with baseline TG levels 150 mg/dl, orlistat reduced significantly TG-AUC (–47.3%; p 0.001). In subjects with baseline TG levels II150 mg/dl, orlistat reduced significantly mean peak PP TG level (p 0.001) and the mean TG-AUC (–59.9%; p 0.0001). No significant effects were observed on HDL-c.

Conclusions

The results of this study show that in overweight/obese subjects the orlistat addition to a moderately high fat meal test induced a significant reduction in PP triglyceridaemia. It may represent an additional benefit of orlistat therapy in improving postprandial lipaemia, independently of its weight-reducing effect.

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