Improving Energy Balance in Men With Prostate Cancer

Status Completed

Clinical Trial Summary

RATIONALE: Obesity and overweight are associated with the risk of aggressive disease, and energy balance may play a major role in prostate cancer progression.

PURPOSE: Randomized phase II trial to study the effectiveness of weight loss, via a healthy energy-restricted diet and exercise, in slowing or preventing disease progression in patients who have newly diagnosed prostate cancer.

Clinical Trial Description

This is a 2-arm randomized controlled feasibility trial among 40 overweight or obese men newly diagnosed with prostate cancer who are scheduled for prostatectomy. This study will use the presurgical period to explore the potential impact of weight loss via a healthy energy-restricted diet and increased physical activity on circulating hormones, cytokines, and growth factors, as well as effects on tumor biology and other clinical outcomes. Consenting patients will be block randomized to 1-of-2 study arms: 1) a healthful diet + exercise intervention to promote a weight loss of up to 2 pounds/week; or 2) a wait-list control who will receive the intervention once the study period is complete. Both groups will receive nutritional counseling during the study period to correct nutritional deficiencies with food sources. This study will explore and contrast changes in body mass index (BMI) observed over the study period (minimum of 3.5 weeks) in the intervention vs. wait-list control arms, and also monitor changes in body composition, energy intake and physical activity; these changes will be studied in relation to the following endpoints: a) changes in select circulating biomarkers and gene expression related to cancer progression, hormonal status, inflammation and other energy-related factors; b) rates of tumor proliferation and apoptosis; c) tumor immunohistochemical markers of insulin receptor, vascular endothelial growth factor (VEGF), AKT, and nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB); and d) functional and health-related outcomes, i.e., side-effects and medical outcomes, quality of life (QoL), and functional status. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01886677
Study type	Interventional
Source	University of Alabama at Birmingham
Contact
Status	Completed
Phase	N/A
Start date	September 2012
Completion date	January 2015

View Details

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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.