A Low-Insulinemic Dietary Intervention to Reduce Breast Cancer Risk in High-Risk Women
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 34
- 试验地点
- 2
- 主要终点
- Successful translation of the low-Empirical Dietary Index for Hyperinsulinemia dietary pattern
研究概览
简要总结
This clinical trial tests whether a new dietary pattern that consists of foods that lower the blood insulin response can reduce breast cancer risk in high-risk women. In a large group of patients, this new dietary pattern was associated with reduced risk of multiple cancers and reduced risk of long-term weight gain. Parts of this new dietary pattern are quite different from typical dietary recommendations, and much education is needed. Overall, compared to the typical American diet, this new dietary pattern is moderately low in total fat and saturated fat, low in protein from animal foods but high in protein from plant sources, high in fruits and vegetables, high in whole grains, and high in dietary fiber. We will determine if a low-insulinemic dietary pattern intervention is feasible and effective in reducing breast cancer risk in high-risk women.
详细描述
PRIMARY OBJECTIVE:
I. Evaluate the feasibility of translating the low-Empirical Dietary Index for Hyperinsulinemia (EDIH) dietary pattern intervention from epidemiologic cohorts to the clinic in a single arm phase I trial among postmenopausal women at high risk for cancer and evaluate safety.
SECONDARY OBJECTIVES:
I. Determine the change in patient reported outcomes (PRO) under the Low-EDIH dietary pattern at 12 weeks from baseline.
II. Evaluate the change in cardiometabolic biomarker profiles at 12 weeks from baseline (a) glycemic control and insulin response parameters measured using fasting glucose, insulin, hemoglobin A1C, C-peptide, HOMA-IR, HOMA-B and IGFBP-1, IGFBP-2, (b) lipid profiles (total cholesterol, triglycerides [TG], low density lipoprotein [LDL], higher high density lipoprotein [HDL]).
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Prevention
- 盲法
- None
盲法说明
This is a single arm study with a dietary pattern as intervention.
入排标准
- 年龄范围
- 45 Years 至 —（Adult, Older Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Age ≥ 45 years OR post-menopausal AND cis-gender women at study registration.
- •Overweight or World Health Organization (WHO) class 1 obese as defined by a body mass index (BMI) of 25 to 35 kg/m^
- •High risk for breast cancer at the discretion of the physician, using standard definitions such as a Gail 5-year risk of ≥ 2% or Tyrer Cuzick version (v) 8.0 10-year risk of ≥ 5%.
- •Concurrent or prior use of endocrine therapy is allowed. Any dose or schedule change is not permitted for the duration of the study.
- •Currently established care or previously seen at the Ohio State University Comprehensive Cancer Center (OSUCCC) Stefanie Spielman Comprehensive Breast Center (SSCBC) high risk breast clinic.
排除标准
- •Prior diagnosis of breast cancer within past 5 years.
- •Metastatic breast cancer (at study start or during study period).
- •BMI > 35 kg/m^2 or < 25 kg/m^
- •Pre-menopausal women or < 45 years of age.
- •Assigned male at birth.
- •Uncontrolled intercurrent illness including lung disease, heart disease, metabolic disease; exacerbations for disease in past 8 weeks; unstable on medications for chronic conditions in past 6 weeks. This could affect compliance and engagement with study intervention. Change in anti-hyperglycemic or lipid lowering medications is best avoided for the duration of the study unless deemed necessary by treating provider or required for acute exacerbation of existing illness.
- •Type 1 diabetes mellitus (DM) or insulin dependent, or evidence of brittle diabetes.
- •Presence of food allergies or intolerances to wheat, nuts, seeds, fish, or dairy foods.
- •Currently on special diet for known metabolic or gastrointestinal disease, or planning to start a specific dietary regimen such as vegetarian, vegan, ketogenic, low-fat diets, etc.
- •Uncontrolled psychiatric illness/social situations that would limit compliance with study requirements.
- •Unwilling or unable to follow protocol requirements.
- •Pregnant, trying to get pregnant, or nursing.
- •Any condition which in the investigator's opinion deems the subject an unsuitable candidate to participate in this study.
- •Non-English speaking, as the teaching materials and educational sessions have not yet been translated into additional languages.
- •Prisoners or other institutionalized patients.
研究组 & 干预措施
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Biospecimen Collection (Procedure)
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Dietary Intervention (Other)
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Medical Device Usage and Evaluation (Other)
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Motivational Interviewing (Behavioral)
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Nutritional Assessment (Other)
Prevention (Low-EDIH dietary pattern intervention)
Participants receive the low-EDIH dietary pattern intervention consisting of 6 group nutrition education sessions focusing on foods to prioritize within each food group, food combinations, food preparation, discussion, simple cooking demonstrations, food tastings, smart shopping advising, and a question/answer period over 2 hours each at weeks 0, 1, 2, 3, 5, and 6. Participants also attend 3 in-person or virtual individual nutrition counseling and motivational interviewing sessions over 30 minutes each at weeks 3 and 5, between weeks 7 and 9, and between weeks 9 and 11. Participants also wear an activity tracker and undergo blood sample collection on study.
干预措施: Questionnaire Administration (Other)
结局指标
主要结局
Successful translation of the low-Empirical Dietary Index for Hyperinsulinemia dietary pattern
时间窗: Up to 12 weeks
High compliance will be defined as \> 80% of participants achieving and maintaining scores ≥ median 0.06. Will be measured by the low-Empirical Dietary Index for Hyperinsulinemia scores. Descriptive statistics (i.e., means, standard deviations for continuous variables, and frequencies and percentages for discrete data) will be used to summarize demographics and clinical characteristics of study participants. Will be tested using multivariable-adjusted general linear mixed regression to accommodate within-person variance across post-baseline timepoints via a per-subject random effect. Will evaluate model assumptions via regression diagnostics and adjust model structure and outcome transformations as necessary to ensure proper model fit. Will be adjusted for age, baseline total caloric intake, body weight, and baseline value.
次要结局
- Plasma biomarkers of cardiometabolic health(From baseline to 12 weeks)
- Urine biomarkers of cardiometabolic health(From baseline to 12 weeks)
- Patient reported outcomes (PROs)(Up to 12 weeks)
研究者
Fred Tabung
Principal Investigator
Ohio State University Comprehensive Cancer Center