Effect of Cinnamon Extract on Insulin Resistance in Polycystic Ovary Syndrome

Phase 1 Study That Will Compare 12 Weeks of Supplementation With Cinnamon Extract on the Action of Insulin and Blood Sugar (Glucose) With 12 Weeks of Supplementation With a Placebo.

Status

Terminated

Phases

Phase 1

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00970541

Acronym

Eccentric

Enrollment

Registered

2009-09-02

Start date

2009-08-31

Completion date

2013-06-30

Last updated

2021-08-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Insulin Resistance, Polycystic Ovary Syndrome

Keywords

Cinnamon, PCOS, low blood sugar, Insulin, Glucose

Brief summary

The purpose of this study is to determine whether Cinnamon from the Cassae Plant is effective in the body as insulin could lower blood sugar levels.

Detailed description

Insulin resistance is a condition in which body cells do not fully respond to the action of insulin, a hormone that controls the amount of sugar (glucose) in the blood. As a result, blood sugar levels become abnormally high. Insulin resistance is common in women with polycystic ovary syndrome (PCOS). This study involves the administration of a nutritional supplement (cinnamon extract). The cinnamon extract like regular cinnamon powder comes from the bark of Cinnamon Cassae plant. It is believed that cinnamon may act in the same way as insulin and therefore could potentially improve insulin resistance and help to lower blood sugar (glucose) levels.

Interventions

DIETARY_SUPPLEMENTCinnamon Supplementation

1, 3, or 6g of cinnamon per day for 40 days

DIETARY_SUPPLEMENTPlacebo (wheat flour)

1, 3, or 6g of placebo per day for 40 days

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

TREATMENT

Masking

DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender

FEMALE

Age

20 Years to 40 Years

Healthy volunteers

Inclusion criteria

* 20 to 40 years of age * Have a body mass index 25-40 kg/m2 * Have a sedentary lifestyle (participated in less than 30 minutes of physical activity 3 days per week over the last 6 months) * History of irregular menstrual cycles (fewer than 6 cycles in past year) * Excess androgen (to be measured at screening) * Willing to supplement normal diet with cinnamon extract and a placebo for 12 weeks * You can stay overnight at Pennington Center three times over the next six months

Exclusion criteria

* Do not meet our diagnostic criteria for polycystic ovary syndrome * Have heart disease, lung disease, liver disease, blood disease, kidney disease, type 1 or 2 diabetes, or any other disease that in the opinion of the doctor might make you ineligible. * Have cancer (active malignancy with or without concurrent chemotherapy). * Abuse alcohol or illegal drugs. * Smoke or have smoked within the previous 6 months. No smoking will be permitted during the study. * Have donated blood within 30 days prior to randomization date. * Have a hemoglobin, hematocrit, red blood cell, or iron level below the normal lower limit at screening. * Taking medications that alter your glucose metabolism, (30 minute or more, 4 or more times per week over the past year.) * Unwilling or unable to adhere to the clinical evaluation schedule over the entire six-month follow-up period.

Design outcomes

Primary

Measure	Time frame
Insulin sensitivity measured by the euglycemic hyperinsulinemic clamp	6 months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026