Last updated on February 2018

Diet and Physical Activity Change or Usual Care in Improving Progression-Free Survival in Patients With Previously Treated Stage II III or IV Ovarian Fallopian Tube or Primary Peritoneal Cancer


Brief description of study

This randomized phase III trial studies whether changes in diet and physical activity can increase the length of survival without the return of cancer (progression-free survival) compared with usual care in patients with previously treated stage II, III, or IV ovarian, fallopian tube, or primary peritoneal cancer. A healthy diet and physical activity program and counseling may help patients make healthier lifestyle choices. It is not yet known whether changes in diet and exercise may help increase progression-free survival in patients with previously treated cancer.

Detailed Study Description

PRIMARY OBJECTIVES:

I. To determine if women who are disease-free after successfully completing primary and potential consolidation/maintenance, therapy for stage II-IV ovarian, fallopian tube or primary peritoneal cancer and who are randomized to a healthy lifestyle intervention, will have significantly increased progression-free survival compared to similar women who are randomized to a usual care comparison group.

SECONDARY OBJECTIVES:

I. To determine if women who are randomized to the study intervention will have improved general quality of life as measured by the General Health subscale of Research and Development (RAND) 36-Item Health Survey (RAND-36).

II. To determine if women who are randomized to the study intervention will have improved physical and bowel functioning as measured by the Physical Functioning subscale of RAND-36 and the Gastrointestinal Symptom Rating Scale (GSRS)-Irritable Bowel Syndrome (IBS), compared to women who are randomized to usual care.

TERTIARY OBJECTIVES:

I. To assess patient compliance with the healthy lifestyle intervention by analyzing biomarkers (e.g., total carotenoid) at baseline, 6, 12, and 24 months.

II. To explore the relationship between carotenoid exposure and progression free survival from ovarian cancer.

III. To examine patient compliance with the healthy lifestyle intervention and to assess which types of patients are more likely to be compliant with the healthy lifestyle intervention and whether progression-free survival is better among compliant individuals.

IV. To explore the impact of the intervention on other aspects of quality of life such as pain, role limitations due to physical health and emotional problems, mental health, vitality, and social functioning as measured by the corresponding subscales of the RAND-36.

V. To explore the impact of the intervention on bowel functioning as measured with the GSRS-IBS subscales.

VI. To assess the association between subjectively measured sleep duration/quality (using the Pittsburgh Sleep Quality Scale), anthropometric measurements, and self-reported dietary energy intake among women previously treated for stage II-IV ovarian or primary peritoneal cancer.

VII. To assess and compare telomere length and rate of telomere shortening between ovarian cancer survivors randomized to lifestyle intervention versus standard of care.

VIII. To assess effects of the intervention on biomarkers of metabolic health as measured by changes in circulating insulin and related insulin resistance, lipids and inflammation.

IX. To determine if the intervention effect on the biomarkers listed above is modified by baseline central adiposity.

X. To determine if the intervention effect on biomarkers listed above is mediated by change in central adiposity.

XI. To evaluate changes in central adiposity using computerized tomography (CT) scan data from regularly scheduled, routine surveillance CT scans to determine if change in CT-specific visceral adiposity is associated with changes in biomarkers of metabolic deregulation and inflammation in a random subsample.

OUTLINE: Participants are randomized to 1 of 2 groups.

GROUP 1 (LIFESTYLE INTERVENTION): Participants receive a dietary intervention designed to promote increased levels of plasma carotenoids, control weight, and to ensure adequacy of micronutrient intake. Participants also undergo a physical activity intervention comprising a moderately low aerobic regimen to raise the usual activity level. Participants also undergo face-to-face counseling, receive educational materials and counseling focused on how to read food labels to estimate grams of fat per serving and serving size, and undergo telephone counseling by a lifestyle intervention counselor twice a week for 4 weeks, then weekly for 2 weeks, twice a month for 5 months, monthly for the subsequent 6 months, and then once every other month for 12 months. Participants complete daily fat gram and step diaries at least three times per week.

GROUP 2 (COMPARISON LIFESTYLE): Participants receive a study notebook containing general study-related information. Participants are not asked to record diet or physical activity but are provided a single sample diary in their study notebook. Participants receive telephone contact on a sliding scale similar to the intervention group, but at less frequent intervals (22 versus 33 calls over the course of the intervention).

After completion of study, participants are followed up every 3 months for 2 years, every 6 months for 3 years, and then annually thereafter.

Clinical Study Identifier: NCT00719303

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