Effect of Genistein in Women With Metabolic Syndrome

Status Completed

Clinical Trial Summary

The purpose of this study is to determine whether the phytoestrogen genistein is effective in improving bone condition in pre-menopausal and post-menopausal women suffering for osteopenia. Since, during the study the investigators realized that at least 70% of post-menopausal recruited women suffered for metabolic syndrome (MS), we have added only in these women, as secondary outcome measures, the evaluation of markers of cardiovascular risk.

Clinical Trial Description

MS prevalence increases after the onset of menopause, because of estrogen deficiency. It is still not clear if menopause itself increases the risk of cardiovascular diseases in al women or only in those that develop MS. Many MS patients that show slight modification in cardiovascular and metabolic parameters are not generally pharmacologically treated since diabetes or alteration in the lipid profile are not evidenced. In this respect it is of importance to develop new therapeutic strategies to prevent and treat MS. Genistein (4,5,7-trihydroxyisoflavone), shown a potentially preventive role on the cardiovascular apparatus in post-menopausal women, may be termed as selective ER modulator (SERM), since it reveals both ER-alpha full agonist and ER-beta partial agonist activity.

The investigators studied whether genistein may represent an efficacious and safe alternative for reducing vascular risk in postmenopausal women with metabolic syndrome. The clinical study was a randomized, double-blind, placebo-controlled study involving 150 patients with metabolic syndrome. After a 4-week stabilization on a standard fat-reduced diet, participants were randomly assigned to receive either phytoestrogen genistein (54 mg/day) or placebo for 6 months. At baseline and following treatment fasting plasma glucose, insulin, insulin resistance (HOMA-IR), lipid concentrations, plasma total homocysteine, leptin, adiponectin and visfatin were measured. Bioimpedentiometric and nutritional analysis, as well as a safety assessment of the endometrium and vagina were also performed. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00541710
Study type	Interventional
Source	University of Messina
Contact
Status	Completed
Phase	Phase 2/Phase 3
Start date	October 2007
Completion date	September 2011

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.