Healthy Eating for Reproductive Health (HERHealth)
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Purpose
This study will be a 6-month intervention that is examining how different dietary approached may be useful for women with Polycystic Ovarian Syndrome (PCOS) who are attempting pregnancy, particularly by measuring changes in weight. Participants will be randomly assigned to following one of two dietary approaches for weight loss: 1) a low-calorie approach to weight loss (reducing caloric intake by approximately 500 calories per day) or 2) a low-fat, low-glycemic index vegan diet. A vegan diet is one that does not contain any animal products (no meat, fish, poultry, eggs, or dairy) but emphasizes plant-based foods, such as fruits, vegetables, whole grains, and legumes/beans. In addition, this diet will be low-glycemic index, which means you will be asked to favor foods that don't cause a quick rise in blood sugar (for example, favoring oatmeal over cornflakes for breakfast). Participants will receive counseling and supporting materials on the dietary approach you are assigned to follow. Both diets are safe and have shown to be effective ways to assist with achieving a healthy weight. The investigators hypothesize that both groups will see improvements in weight and fertility with possible greater improvements seen among participants in the vegan group.
| Condition | Intervention | Phase |
|---|---|---|
|
Polycystic Ovarian Syndrome Infertility Obesity Overweight |
Behavioral: Low-fat, Low-Glycemic Index, Vegan diet Behavioral: Low Calorie |
Phase 1 Phase 2 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Parallel Assignment Masking: Open Label Primary Purpose: Treatment |
| Official Title: | Healthy Eating for Reproductive Health (HERHealth) |
- Body weight changes [ Time Frame: 6 months ] [ Designated as safety issue: No ]body weight will be assessed at 0, 3, and 6 months
- Pregnancy rates [ Time Frame: 6 months ] [ Designated as safety issue: No ]We will measure any occurrences of pregnancy over the course of the study
- Menstrual cycle length [ Time Frame: 6 months ] [ Designated as safety issue: No ]We will measure changes in the length of menstrual cycles over the course of the 6 month study
| Estimated Enrollment: | 50 |
| Study Start Date: | January 2012 |
| Estimated Study Completion Date: | June 2013 |
| Estimated Primary Completion Date: | June 2013 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
| Experimental: Vegan diet |
Behavioral: Low-fat, Low-Glycemic Index, Vegan diet
Participants in this arm will follow a very low fat diet (~10% kcals from fat) and also a diet that has a low glycemic index and is free of animal products (vegan)
|
| Active Comparator: Low-calorie |
Behavioral: Low Calorie
Participants in this arm will be instructed on how to reduce their caloric intake and follow a low calorie diet
|
Eligibility| Ages Eligible for Study: | 18 Years to 35 Years |
| Genders Eligible for Study: | Female |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
Women must meet the following criteria:
- have been attempting pregnancy for at least 6 months
- is not currently pregnant
- has a clinical diagnosis of PCOS
- is not on oral medications for insulin resistance (such as metformin) or, if currently on such a medication, has been on the medication at a stable dose for at least 3 months
- willing not use fertility-enhancing medications over the 6-month study (with the exception of oral medications, such as clomiphene citrate, as directed by their physician)
- willing to be randomized to either dietary condition and able to make weekly meetings.
Exclusion Criteria:
Participants should not be in this study if they meet any of the following criteria:
- have not been diagnoses with polycystic ovarian syndrome
- have been trying to conceive less than 6 months
- have a Body Mass Index less than 25 or greater than 45 kg/m2
- are currently pregnant
- are younger than 18 or older than 35 years of age
- are a smoker
- are unable to come to the Columbia, SC area at least 3-4 times in a 6 month time period for assessments
- don't have access to the Internet and a computer
- don't have access to a scale for self-monitoring weight
- aren't willing to be randomized to either group
- have a psychiatric disease, drug or alcohol dependency, or uncontrolled thyroid condition
- have a major health condition, such as heart conditions, diabetes, and past incidence of stroke
- unable to receive consent from your doctor to participate if you currently are on blood pressure medications, have issues with dizziness, or have bone or joint issues
- have an eating disorder
- currently participating in a weight loss program or taking weight loss medications
Contacts and Locations| United States, South Carolina | |
| University of South Carolina | |
| Columbia, South Carolina, United States, 29208 | |
| Principal Investigator: | Brie Turner-McGrievy, PhD, MS, RD | University of South Carolina |
More Information
Additional Information:
No publications provided
| Responsible Party: | University of South Carolina |
| ClinicalTrials.gov Identifier: | NCT01509066 History of Changes |
| Other Study ID Numbers: | HERHealth-KA34 |
| Study First Received: | January 9, 2012 |
| Last Updated: | February 18, 2013 |
| Health Authority: | United States: Institutional Review Board |
Keywords provided by University of South Carolina:
|
vegetarian vegan low calorie infertility PCOS |
Additional relevant MeSH terms:
|
Infertility Obesity Polycystic Ovary Syndrome Overweight Genital Diseases, Male Genital Diseases, Female Overnutrition Nutrition Disorders Body Weight |
Signs and Symptoms Ovarian Cysts Cysts Neoplasms Ovarian Diseases Adnexal Diseases Gonadal Disorders Endocrine System Diseases |
ClinicalTrials.gov processed this record on May 23, 2013