Breast Cancer Clinical Trial
Adaptive Nutrition and Exercise Weight Loss (A-NEW) Study
This is a single arm phase II study designed to determine the effects of pharmacotherapy and a remote behavioral weight loss intervention on weight loss in breast cancer survivors who are overweight or obese, and the impact of successful weight loss on serum biomarkers and gut microbiome.
The investigators will evaluate the extent to which implementation of a chronic weight loss medication, ContraveÂ® (Naltrexone/Bupropion), is associated with achieving â‰¥5% weight loss. All patients will receive the POWER-remote behavioral weight loss intervention (BWL) and have a behavioral coach for the duration of the 6 month study. During months 1-3, the behavioral coach will call weekly. From months 4-6, the behavioral coach will call monthly. At week 9, those who lose â‰¥5%, designated fast responders, will continue with BWL alone (FAST-BWL) while those who lose <5%, designated slow responders, will continue BWL and initiate Contrave (SLOW-BWL). The SLOW-BWL arm will receive at least 16 weeks of Contrave (as per Federal Drug Administration [FDA] recommended administration) starting at week 9 and discontinue if â‰¥5% weight loss is not achieved at month 6. During month 3, all participants continue to have weekly calls with the behavioral coach and will be asked about symptoms, which may be related to initiation of pharmacotherapy; any symptoms are reported to the PI for further evaluation. In addition to total weight loss, the investigators will evaluate biomarkers associated with obesity, microbiome and cardiometabolic factors.
Female, at least 3 months after completion of local therapy (e.g. surgery, radiation), and if applicable, adjuvant chemotherapy
Diagnosed within 10 years with histologically-confirmed ductal carcinoma in situ (DCIS) or stage I-III invasive carcinoma of the breast
Up to date with recommended screening mammography within one year
Current BMI â‰¥ 30 kg/m2 or BMI 27.0-29.9 kg/m2 with hypertension, non-insulin dependent diabetes or hyperlipidemia; and weight â‰¤ 400 lbs
Eastern Cooperative Oncology Group (ECOG) performance status 0-1
Willingness to change diet, physical activity, track behaviors, engage in weekly and monthly contacts and visit, and take chronic weight loss medication
Able to read and write the English language without assistance and daily access to the e-mail and/or smartphone
Patient is aware of her diagnosis, understands the study regimen, its requirements, risks, and discomforts, and is able and willing to sign an informed consent form.
Serious/uncontrolled medical condition at the discretion of the Protocol Chair/designee likely to hinder accurate measurement of weight or any condition for which weight loss is contraindicated or would affect adipokine and inflammatory markers (e.g. active malignancy, end stage renal disease on dialysis, cirrhosis, autoimmune disease, adrenal disease, uncontrolled hypertension, seizure disorder, and history of bariatric surgery)
Pregnant or nursing within past 6 months, or plans to become pregnant in the next year
Currently enrolled or planning to enroll in a weight loss program (e.g. Weight Watchers, Jenny Craig, Nutrisystem and Medifast) or to take a chronic weight loss medication.
Diabetes on insulin or sulfonylureas within the past 3 months
Unstable psychiatric disorder or bulimia/anorexia nervosa
Alcohol, nicotine or substance abuse; or undergoing abrupt discontinuation of alcohol, benzodiazepine, barbiturate or anti-epileptic drug
Use of the following medications are excluded:
Monoamine oxidase (MAO) inhibitors (must be >14 days from discontinuation)
Thyroid medication use unless on stable doses for at least the past 3 months
Buproprion containing products or opiate agonists (must be >14 days from discontinuation)
Medications that cause weight loss (e.g., lorcaserin, phentermine, orlistat, Qsymia, Contrave) within the past 3 months
Medications that are likely to cause weight gain or prevent weight loss (e.g., corticosteroids, lithium, olanzapine, risperidone, clozapine, oral contraceptive pills, hormone replacement therapy) within the past 3 months. NOTE: An exception to this is that SSRI's and SNRI's are allowed if participant has been on stable doses for at least 3 months (if discontinued, a washout of 2 weeks from prior selective serotonin reuptake inhibitor (SSRI)/Serotonin-norepinephrine reuptake inhibitor (SNRI) use is required).
Medications that may affect adipokine or inflammatory markers (e.g., metformin, glitazones, steroids, angiotensin converting enzyme (ACE) inhibitors, beta blockers and statins) unless on stable doses â‰¥3 months prior to registration (if discontinued, a washout of 2 weeks from prior use is required). Concurrent NSAIDs are allowed if use is limited to <3 times per week; chronic NSAIDs are permitted on study only if use has been â‰¥3 times per week for at least 3 months prior to registration and is expected to continue.
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