Kietsiriroje Noppadol, Leelawattana Rattana
Division of Endocrinology and Metabolism, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkla, 90110, Thailand.
BMC Res Notes. 2015 Jul 7;8:294. doi: 10.1186/s13104-015-1225-6.
To determine the effects of 40 mg of pravastatin, 2 g of phytosterols, and combination therapy on lipid profiles and to compare the reduction of LDL cholesterol between combination therapy and monotherapy.
Thirty-six HIV-infected patients treated with ARVs who had high LDL cholesterol levels but no current usage of any lipid-lowering agents were enrolled into the open-labelled, randomized, cross-over study. All patients were assigned randomly into one of four intervention groups: (1) pravastatin 40 mg cross-over to the combination of pravastatin 40 mg and phytosterols 2 g (combination group), (2) the combination group cross-over to pravastatin 40 mg, (3) phytosterols 2 g cross-over to the combination group, and (4) the combination group cross-over to phytosterols 2 g. Each active treatment lasted 4 weeks with a wash-out period of 4 weeks.
The baseline mean TC, TG, HDL-c, and LDL-c levels in 36 HIV patients were 248.09 ± 34.73, 172.36 ± 125.44, 54.92 ± 16.67, and 175.13 ± 29.00 mg/dl, respectively. Pravastatin, phytosterols, and combination therapy reduced TC and LDL-c but TG and HDL-c were not significantly different from the baselines. The mean LDL-c reductions in the pravastatin, phytosterols, and the combination groups were 28.76 ± 9.32, 9.12 ± 7.84, and 27.08 ± 15.58%, respectively. The LDL-c levels in the pravastatin and combination groups were reduced more than in the phytosterols group (p < 0.01). There was no difference in the LDL-c reduction between the combination and pravastatin monotherapy groups (-25.61 ± 10.43 vs. -28.12 ± 14.07%, p = 0.555).
Pravastatin had moderate potency on LDL-c lowering in HIV patients but could not bring LDL-c to goal. Adding phytosterols to pravastatin for a 4-week duration could not demonstrate any additional lipid-lowering effect
Thai Clinical Trial Registry: TCTR20150126002 date: January 23, 2015.
确定40毫克普伐他汀、2克植物甾醇及联合治疗对血脂谱的影响,并比较联合治疗与单一疗法降低低密度脂蛋白胆固醇的效果。
36名接受抗逆转录病毒药物治疗、低密度脂蛋白胆固醇水平高但目前未使用任何降脂药物的HIV感染患者被纳入这项开放标签、随机、交叉研究。所有患者被随机分配到四个干预组之一:(1)40毫克普伐他汀组交叉至40毫克普伐他汀与2克植物甾醇联合组(联合组);(2)联合组交叉至40毫克普伐他汀组;(3)2克植物甾醇组交叉至联合组;(4)联合组交叉至2克植物甾醇组。每种积极治疗持续4周,洗脱期为4周。
36名HIV患者的基线平均总胆固醇(TC)、甘油三酯(TG)、高密度脂蛋白胆固醇(HDL-c)和低密度脂蛋白胆固醇(LDL-c)水平分别为248.09±34.73、172.36±125.44、54.92±16.67和175.13±29.00毫克/分升。普伐他汀、植物甾醇及联合治疗降低了TC和LDL-c,但TG和HDL-c与基线相比无显著差异。普伐他汀组、植物甾醇组和联合组的平均LDL-c降低率分别为28.76±9.32%、9.12±7.84%和27.08±15.58%。普伐他汀组和联合组的LDL-c水平降低幅度大于植物甾醇组(p<0.01)。联合治疗组与普伐他汀单一治疗组的LDL-c降低率无差异(-25.61±10.43%对-28.12±14.07%,p = 0.555)。
普伐他汀对降低HIV患者的LDL-c有中等效力,但无法使LDL-c达到目标值。在普伐他汀基础上加用植物甾醇4周未显示出任何额外的降脂效果。
泰国临床试验注册中心:TCTR20150126002 日期:2015年1月23日。