Acupuncture for Aromatase Inhibitor Induced Joint Pain
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About
This is a randomized, controlled, pilot study to determine the safety and efficacy of acupuncture as an adjunct to pharmacological treatment compared to pharmacological intervention alone for the treatment of musculoskeletal pain related to aromatase inhibitors (AI) in postmenopausal breast cancer patients. Twenty participants (20 in each arm) will be enrolled at the Breast Oncology clinic at Columbia University Medical Center (CUMC). Patients in the treatment arm will receive acupuncture administered twice weekly for six weeks and will be allowed to take pain medication as necessary. The control patients will initially receive pain medication alone, then will cross-over to the acupuncture arm after six weeks. The investigators hypothesize that acupuncture will reduce AI induced joint symptoms.
The study will enroll a total of 40 patients, half of whom will be randomized to one of the two arms to receive acupuncture plus pharmacological treatment (arm A) or pharmacological treatment alone (arm B). Joint pain will be assessed by the BPI-SF score at baseline and six weeks. All patients will have a baseline BPI worst pain item (#2) ≥3 points on a scale of 0-10.
Full description
The purpose of this study is to determine the safety and efficacy of acupuncture as a complementary therapy to pain medication for joint pain associated with aromatase inhibitors for breast cancer treatment. Breast cancer patients are living longer largely due to the benefits of hormonal therapy. Aromatase inhibitors (AIs) are a new class of hormonal agents which block estrogen synthesis in postmenopausal women. However, musculoskeletal pain occurs in up to 50% of patients treated with AIs and often does not respond to conventional pain medications. AI-induced joint pain interferes with patient compliance and may cause major disability. Therefore, safe and effective treatments are needed to alleviate AI-induced musculoskeletal pain.
Acupuncture is a traditional Chinese method of medical treatment and a popular modality for treating musculoskeletal pain. Acupuncture involves the use of thin needles to stimulate specific points of the body and leads to pain control through the release of endorphin in the central nervous system. Clinical trials have found a benefit of acupuncture for the treatment of knee and back pain. Given the lack of effective treatments for AI-induced joint pain and the safety and efficacy of acupuncture, it is therefore reasonable to evaluate whether acupuncture is effective in breast cancer patients who experience musculoskeletal pain related to AIs.
Enrollment
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Inclusion criteria
- Age>45 years
- Postmenopausal status defined as cessation of menses for >1 year or follicle- stimulating hormone (FSH)>20 mIU/mL
- History of stage I or II, hormone receptor-positive breast cancer
- Currently taking a third-generation aromatase inhibitor (anastrazole, letrozole or exemestane)
- Ongoing musculoskeletal pain in one or more joints (baseline BPI worst pain score > 3 points on a scale of 0 to 10)
- English-speaking
- Signed informed consent
Exclusion criteria
- Previous treatment with acupuncture
- Inflammatory, metabolic or neuropathic arthropathies
- Bone fracture or surgery of the afflicted extremity during the past six months
- Current narcotic use, corticosteroid therapy or cortisone injections
- Severe concomitant illnesses or metastatic disease
- Severe coagulopathy or bleeding disorder
- Dermatological disease within the acupuncture area
Trial design
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Interventional model
Masking
40 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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