Low-Fat Diet & Fish Oil in Men on Active Surveillance for Prostate Cancer

Status Active, not recruiting

Clinical Trial Summary

This randomized phase II trial will evaluate if a low omega-6, high omega-3 fat diet combined with fish oil has the potential to delay disease progression in patients with prostate cancer undergoing active surveillance.

Clinical Trial Description

PRIMARY OBJECTIVES: I. Determine if a 1-year low omega-6, high omega-3 fat diet combined with fish oil results in decreased prostate cancer Ki-67 index as compared to a control group in men on active surveillance. SECONDARY OBJECTIVES: I. Evaluate the effect of a low-fat (LF)/fish oil (FO) intervention on prostate biopsy tissue markers of progression, prostate biopsy pathologic features (Gleason grade, tumor volume ), prostate-specific antigen (PSA), and long-term clinical outcomes (clinical progression, prostate cancer therapies). II. Evaluate potential surrogate biomarkers of proliferation (red blood cell [RBC] membrane fatty acid analyses, ex-vivo bioassay). III. Determine if a correlation exists between free fatty acid receptor 4 (GPR120) levels and progression markers in response to the LF/FO intervention. IV. Evaluate effect of the intervention on the National Comprehension Cancer Network (NCCN) risk group V. Evaluate compliance with a 1-year + 2 year extension LF/FO intervention. VI. Evaluate safety of a 1-year + 2-year extension LF/FO intervention. OUTLINE: Patients are randomized to 1 of 2 arms. ARM I: Patients receive no intervention. ARM II: Patients receive dietary counseling with a research dietitian weekly for 1 month and then monthly for 11 months. Patients are given guidelines with recommended meals to follow a high omega-3, low omega-6 diet comprising 30% kilocalories (Kcal) from fat, 15% Kcal from protein, and 65% Kcal from carbohydrates for 1 year. Patients also receive 4 fish oil capsules per day orally (PO) for 1 year. After completion of study, patients are followed up yearly for 15 years. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02176902
Study type	Interventional
Source	Jonsson Comprehensive Cancer Center
Contact
Status	Active, not recruiting
Phase	N/A
Start date	November 1, 2014
Completion date	November 1, 2025

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See also
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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.

Low-Fat Diet and Fish Oil in Men on Active Surveillance for Prostate Cancer

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms