Omega-3 Supplementation in Prevention of Aromatase Inhibitor-Induced Toxicity in Patients With Stage I-III Breast Cancer
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ClinicalTrials.gov Identifier: NCT02831582 |
Recruitment Status :
Completed
First Posted : July 13, 2016
Last Update Posted : February 27, 2023
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Condition or disease | Intervention/treatment | Phase |
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Arthralgia Breast Neoplasms | Dietary Supplement: Omega-3 Fatty Acid Other: Placebo | Not Applicable |
PRIMARY OBJECTIVES:
I. To determine the efficacy of the complementary therapy omega-3 fatty acid (n-3 PUFA) supplementation in preventing aromatase inhibitor-induced arthralgias (AIIAs).
SECONDARY OBJECTIVES:
I. To prospectively define the population most at risk for developing AIIAs by the identification and validation of genetic risk predictors and to develop a single nucleotide polymorphism (SNP)/gene profile predictive of treatment intervention response.
OUTLINE: Patients are randomized to 1 of 2 groups.
Group I: Patients receive omega-3 fatty acid supplementation orally (PO) once daily (QD) for 6 months.
Group II: Patients receive placebo PO QD for 6 months.
After completion of study, patients will be followed up periodically.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 75 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Supportive Care |
Official Title: | Prevention of Aromatase Inhibitor-Induced Toxicity With Omega-3 Supplementation |
Actual Study Start Date : | October 12, 2016 |
Actual Primary Completion Date : | December 11, 2021 |
Actual Study Completion Date : | December 11, 2021 |

Arm | Intervention/treatment |
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Active Comparator: Arm I (omega-3 fatty acid)
Patients receive omega-3 fatty acid supplementation PO QD for 6 months.
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Dietary Supplement: Omega-3 Fatty Acid
Given PO.
Other Names:
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Placebo Comparator: Arm II (placebo)
Patients receive placebo PO QD for 6 months.
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Other: Placebo
Given PO.
Other Names:
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- Change in pain score based on the Brief Pain Inventory (BPI) [ Time Frame: Baseline to up to 6 months ]Analysis of patterns of change over time in pain scores through the application of hierarchical linear regression models.
- Change in joint symptoms based on quality of life instruments [ Time Frame: Baseline to up to 6 months ]An exploratory analysis, logistic mixed effect regression models will be used to compare the occurrence of moderate to severe joint symptoms during the 6 month period between the two treatment groups.
- Change in joint symptoms based on symptomatology instruments [ Time Frame: Baseline to up to 6 months ]An exploratory analysis, logistic mixed effect regression models will be used to compare the occurrence of moderate to severe joint symptoms during the 6 month period between the two treatment groups.
- Identification and validation of genetic risk predictors for aromatase inhibitor-induced arthralgias [ Time Frame: Up to 6 months ]Interaction tests between treatment and stratification variables will be conducted to explore whether these factors are predictive of average pain scores.
- Rate of compliance [ Time Frame: Up to 6 months ]The rates of adherence to and discontinuation of AI therapy will be recorded. Reasons for treatment discontinuation will be described. In addition, the investigators will also examine the compliance rates with n-3 PUFA or placebo supplements with pill counts at each visit and with a patient recorded medication calendar.
- SNP analysis by standard data preprocessing operations and sequential analysis [ Time Frame: Up to 6 months ]A sequential analysis of the data that allows filtering of extraneous SNPs and select SNP loci, identification and creation of predictive SNP clusters, and then evaluation of the networks' potential clinical and biological validity will be performed.
- Level of inflammatory markers [ Time Frame: Up to 6 months ]
- Red blood cells (RBC) n-3 PUFA levels [ Time Frame: Up to 6 months ]The relationship between RBC n-3 PUFA levels, inflammatory blood markers and the joint symptoms evaluated by the patient symptom assessment instruments. Scatter plots and correlation coefficients (either Pearson or Spearman) will be used to summarize their pairwise relation. The differences between the treatment and placebo in terms of these measures will also be reported using numerical summaries and graphic plots.

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Women diagnosed with breast cancer stages I-III initiating first line adjuvant aromatase inhibitor (AI) therapy with any of the FDA-approved AIs (anastrazole, exemestane, letrozole)
- Concurrent gonadotropin-releasing hormone (GnRH) agonist therapy is allowed; concurrent breast related radiation therapy is allowed.
- Prior tamoxifen use is allowed
- Prior chemotherapy is allowed
- Ability to understand and the willingness to sign a written informed consent document
Exclusion Criteria:
- Metastatic malignancy of any kind
- Rheumatoid arthritis and other types of autoimmune and inflammatory joint disease
- AI use > 21 days prior to study enrollment
- Known bleeding disorders
- Current use of warfarin or other anticoagulants
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situation that would limit compliance with study requirements
- Daily use of n-3 PUFA concentrates or capsules or any other supplements that might interact with n-3 PUFA supplements if > 375 mg per day of of eicosapentaenoic acid (EPA)/ docosahexaenoic acid (DHA) within six months of study initiation
- Pregnant or nursing women
- Known sensitivity or allergy to fish or fish oil
- Unable to give informed consent

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02831582
United States, California | |
City of Hope | |
Duarte, California, United States, 91010 | |
United States, Ohio | |
Cleveland Clinic Cancer Center/Fairview Hospital | |
Cleveland, Ohio, United States, 44195 | |
Ohio State University Comprehensive Cancer Center | |
Columbus, Ohio, United States, 43210 |
Principal Investigator: | Nicole Williams, MD | Ohio State University Comprehensive Cancer Center |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Nicole Williams, Principal Investigator, Ohio State University Comprehensive Cancer Center |
ClinicalTrials.gov Identifier: | NCT02831582 |
Other Study ID Numbers: |
OSU-15222 NCI-2016-00377 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) ) |
First Posted: | July 13, 2016 Key Record Dates |
Last Update Posted: | February 27, 2023 |
Last Verified: | February 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Breast Cancer Postmenopausal Stage IA Stage IB Stage IIA |
Stage IIB Stage IIIA Stage IIIB Stage IIIC |
Breast Neoplasms Arthralgia Neoplasms by Site Neoplasms Breast Diseases |
Skin Diseases Joint Diseases Musculoskeletal Diseases Pain Neurologic Manifestations |