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Effects of crocin supplementation on inflammatory markers, lipid profiles, insulin and cardioprotective indices in women with PCOS: A randomized, double-blind, placebo-controlled trial

Phytother Res. 2022 Jun;36(6):2605-2615. doi: 10.1002/ptr.7474. Epub 2022 Apr 26.

Abstract

Polycystic ovary syndrome (PCOS) is a multifactorial reproductive condition common in women of reproductive age. Hyperlipidemia, insulin resistance, obesity, and chronic low-grade inflammation are associated with PCOS. In a clinical trial study, women with PCOS were divided into two groups (n = 25 each): the intervention group receiving crocin (15 mg, twice daily) and the control group receiving a placebo. The duration of intervention in both groups was 12 weeks. Pre- and postintervention, demographic information, lipid profile, fasting blood glucose (FBG), fasting insulin, and inflammatory markers (interleukin-6 [IL-6] and tumor necrosis factor-alpha [TNF-α]) were measured. Intervention with crocin significantly increased the mean high-density lipoprotein cholesterol postintervention compared to the placebo group, while exerting a suppressive effect on the increase in mean low-density lipoprotein cholesterol, triglycerides, and cholesterol levels. Intervention with crocin also exerted inhibitory effects on changes in FBG and insulin, so that crocin improved insulin and cardioprotective indices. Finally, despite the increased inflammatory markers (IL-6 and TNF-α) in the placebo group, crocin treatment had protective effects on their increased changes. Thus, crocin supplementation could be considered in the therapeutic targets of women with PCOS.

Keywords: IL-6; PCOS; TNF-α; crocin; insulin index; lipid profile.

Publication types

  • Randomized Controlled Trial

MeSH terms

  • Biomarkers
  • Blood Glucose
  • Carotenoids
  • Cholesterol, HDL
  • Dietary Supplements
  • Double-Blind Method
  • Female
  • Humans
  • Inflammation / drug therapy
  • Insulin
  • Insulin Resistance*
  • Interleukin-6 / therapeutic use
  • Polycystic Ovary Syndrome* / drug therapy
  • Triglycerides
  • Tumor Necrosis Factor-alpha

Substances

  • Biomarkers
  • Blood Glucose
  • Cholesterol, HDL
  • Insulin
  • Interleukin-6
  • Triglycerides
  • Tumor Necrosis Factor-alpha
  • Carotenoids
  • crocin