Pilot SMART of a Remotely Delivered, Adaptive Physical Activity Intervention for Breast Cancer Survivors

Summary

The goal of this clinical trial is to evaluate the feasibility of randomizing participants to a "step-up" intervention pathway when they perform \<150 minutes of MVPA at the 6-week data collection burst. Participants who performed \<150 minutes of MVPA at the 6-week data collection burst will be randomized to either continue with the standard intervention or advance to the step-up intervention. The main questions it aims to answer are: 1. What percentage of participants who are eligible for the intervention phase enroll in the intervention phase? 2. Will participants assigned to the "step-up" intervention pathway demonstrate equal or greater rates of study retention and intervention engagement relative to those assigned to the standard intervention arm? 3. What percentage of the sample is performing \>150 minutes accelerometer measured MVPA/week at the intervention mid-point (week 6-data collection burst) and end-of-study (week 12-data collection burst)? 4. Do at least 50% of participants assigned to the "step-up" intervention pathway achieve a clinically meaningful volume of weekly MVPA by 12-weeks follow-up? All participants will: * Be assigned to either the Affect-based exercise prescription or the Effort-based exercise prescription. * Participate in three meetings with the interventionist (an exercise specialist) meant to help them get started increasing weekly exercise. These meetings are the same for all participants. * Be asked to wear an activity monitor and respond to brief surveys for 10 consecutive days at 4 points in time: Baseline, 2weeks, 6weeks, and 12weeks. Some participants (those performing \<150 minutes of MVPA at the 6-week data collection burst) will be assigned to the step-up intervention pathway. Participants assigned to the step-up intervention pathway will complete 3 additional follow-up meetings with the interventionist. During these meetings, the interventionist will help participants identify opportunities to be more active, set goals, and problem solve barriers to action.

Eligibility

Inclusion Criteria:

-≥18 years old

* Within 5 years of completing primary cancer treatment (surgery, chemotherapy, and radiation) for Stage 0-III breast cancer
* \<60 mins/week moderate-vigorous physical activity (MVPA) with no major changes for the past 6- months
* Own an Android or iPhone smartphone (or tablet) and willing to use it to complete app-based surveys during assessment periods
* Willing to wear the ActiGraph monitor during assessment periods
* Access to internet to complete REDCap survey assessments

Exclusion Criteria:

* Non-English speaking/not able to read English
* Evidence of major contraindications for exercise (informed by the 2020 Physical Activity Readiness-Questionnaire (PAR-Q)+)
* Currently pregnant
* History of severe mental illness or currently taking mood stabilizing medications (antipsychotics, anticonvulsants, or lithium)
* Evidence of moderate-severe depressive symptoms (indicated by a score≥ 10 on the Patient Health Questionnaire-8)
* Evidence of moderate-severe cognitive impairment (indicated by a score \< 3 on a 6-item cognitive screener)
* Evidence of clinically significant substance use as indicated by a score of ≥ 2 on the CAGE- AID screener.

Conditions2

Locations1 site

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