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S0927:Omega3-Fatty Acid Supp in Treating Muscle&Bone Pain&Stiffness in Pts W/Stg I,II,III Brst Canc Rec'v Hormone Thpy

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01385137
Recruitment Status : Completed
First Posted : June 29, 2011
Results First Posted : April 7, 2017
Last Update Posted : April 7, 2017
National Cancer Institute (NCI)
Information provided by (Responsible Party):
Southwest Oncology Group

Brief Summary:

RATIONALE: An omega-3 fatty acid-enriched nutritional supplement may help improve muscle and bone pain and stiffness caused by hormone therapy in patients with breast cancer.

PURPOSE: This randomized phase III trial is studying omega-3 fatty acid supplements in treating muscle and bone pain and stiffness in patients with stage I, stage II, or stage III breast cancer receiving hormone therapy.

Condition or disease Intervention/treatment Phase
Arthralgia Breast Cancer Pain Dietary Supplement: omega-3 fatty acid Other: placebo Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 262 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Supportive Care
Official Title: S0927: A Randomized Placebo-Controlled Trial of Omega-3-Fatty Acid for the Control of Aromatase Inhibitor-Induced Musculoskeletal Pain and Stiffness In Women With Early Stage Breast Cancer, Phase III
Study Start Date : February 2012
Actual Primary Completion Date : December 2013
Actual Study Completion Date : March 2014

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Arm I
Patients receive oral omega-3-fatty acid twice daily (BID) or three times daily (TID) for 24 weeks in the absence of disease progression or unacceptable toxicity.
Dietary Supplement: omega-3 fatty acid
Given orally

Placebo Comparator: Arm II
Patients receive oral placebo BID or TID for 24 weeks in the absence of disease progression or unacceptable toxicity.
Other: placebo
Given orally

Primary Outcome Measures :
  1. Week 12 Brief Pain Inventory (BPI) Worst Pain/Stiffness Score [ Time Frame: 12 weeks post-registration ]

    Linear regression model-adjusted week 12 mean score by treatment group.

    Purpose: To assess the severity of pain Population: Patients with pain from chronic diseases or conditions such as cancer, osteoarthritis and low back pain, or with pain from acute conditions such as postoperative pain Responsiveness: Responds to both behavioral and pharmacological pain interventions Method: Self-report or interview Scoring: Higher scores indicate more pain Range: 0-10

Secondary Outcome Measures :
  1. Number of Patients With Adverse Events That Are Possibly, Probably or Definitely Related to Study Drug [ Time Frame: Up to 25 weeks ]
    Only adverse events that are possibly, probably or definitely related to study drug are reported.

  2. Week 12 Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Score [ Time Frame: 12 weeks post-registration ]
    Linear regression model-adjusted week 12 mean score by treatment group The WOMAC measures five items for pain (score range 0-20), two for stiffness (score range 0-8), and 17 for functional limitation (score range 0-68). Higher scores indicate higher symptom burden.

  3. Week 12 Modified Score for the Assessment and Quantification of Chronic Rheumatoid Affections of the Hands (M-SACRAH) Score [ Time Frame: 12 weeks post-registration ]
    Linear regression model-adjusted week 12 mean score by treatment group. Higher scores represent higher symptom burden. Range is 0 to 100.

  4. Week 12 Functional Assessment of Cancer Therapy-Endocrine Symptoms (FACT-ES) Score [ Time Frame: 12 weeks post-registration ]
    FACT-ES measures physical, social and family, emotional, and functional well-being and endocrine symptoms. The FACT scaleshave five response levels ("not at all" to "very much"), where higher scores reflect better well-being and fewer symptoms. This scale provided a measure of the broader impact of join pain and stiffness symptoms. Score range is 0 to 220.

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 120 Years   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No


  • Histologically confirmed primary invasive adenocarcinoma of the breast

    • Stage I, II, or IIIA disease
    • No metastatic disease
  • Must have undergone modified radical mastectomy or breast-sparing surgery and recovered
  • Estrogen-receptor positive (ER+) and/or progesterone-receptor positive (PR+)
  • Currently taking a third-generation aromatase inhibitor (AI) [e.g., anastrozole (Arimidex®), letrozole (Femara®), or exemestane (Aromasin®)] for ≥ 90 days prior to registration with plans to continue for ≥ 180 days after registration
  • Must have completed the S092 Brief Pain Inventory (BPI)-Short Form within the past 14 days, and must have a worst pain/stiffness of ≥ 5 on the BPI (item #2) that has started or increased with AI therapy


  • Postmenopausal
  • Zubrod performance status 0-2
  • Willing to submit blood for serum-free estradiol, total estradiol, serum inflammatory markers (IL6, TNF-α, CRP), DHA and EPA, lipid profile (LDL, HDL, triglycerides), and DNA analysis (CYP19A1)
  • Able to complete study questionnaires in English
  • At least 5 years since other malignancy except adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, ductal carcinoma in situ of the breast or adequately treated stage I or II cancer from which the patient is currently in complete remission
  • Patients must not have a known allergy to soy, given that the placebo is suspended in soybean oil


  • See Disease Characteristics
  • At least 3 months since prior omega-3 fatty acid supplements and must agree to refrain from omega-3-fatty acid supplements from sources outside of this study
  • More than 28 days since prior investigational agents
  • No other medical therapy, alternative therapy, or physical therapy for joint pain/stiffness within the past 30 days
  • Patients must not be on anticoagulation medication (i.e., heparin/warfarin) because of increased risk of bleeding within 28 days prior to registration
  • Patients must not have a history of bone fracture or surgery of the afflicted knees and/or hands within 6 months prior to registration
  • Patients must not be on narcotics within 14 days of registration
  • Patients may have received corticosteroid treatment; however, the following criteria apply:

    • Patients must not have received oral or intramuscular corticosteroids within the 28 days prior to registration
    • Patients must not have received intra-articular steroids to the study, or any other, joint within 28 days prior to registration
  • Patients must not have received topical analgesics (e.g., capsaicin preparations) to the study joint or any other analgesics (e.g., opiates, tramadol; with the exception of nonsteroidal antiinflammatory drugs (NSAIDs) and acetaminophen) within 14 days prior to registration

Information from the National Library of Medicine

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 identifier (NCT number): NCT01385137

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Sponsors and Collaborators
Southwest Oncology Group
National Cancer Institute (NCI)
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Study Chair: Dawn Hershman, MD Herbert Irving Comprehensive Cancer Center
Principal Investigator: Laurence H. Baker, DO, FACOI University of Michigan Rogel Cancer Center

Publications automatically indexed to this study by Identifier (NCT Number):
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Responsible Party: Southwest Oncology Group Identifier: NCT01385137     History of Changes
Other Study ID Numbers: S0927
S0927 ( Other Identifier: SWOG )
U10CA037429 ( U.S. NIH Grant/Contract )
First Posted: June 29, 2011    Key Record Dates
Results First Posted: April 7, 2017
Last Update Posted: April 7, 2017
Last Verified: February 2017
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

Keywords provided by Southwest Oncology Group:
estrogen receptor-positive breast cancer
progesterone receptor-positive breast cancer
stage I breast cancer
stage II breast cancer
stage IIIA breast cancer

Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases
Joint Diseases
Musculoskeletal Diseases
Neurologic Manifestations
Signs and Symptoms