Exercise Intervention Among Men With Prostate Cancer Initiating Androgen Deprivation Therapy

Inclusion Criteria:

Written informed consent prior to any study-related procedures
History of histologically confirmed prostate cancer
Initiating or within 30 days of initiating ADT
ECOG performance status of 0 or 1
At least 18 years old and no older than 80 years
Physically able to exercise and have physician consent from their treating physician to start a physical activity program
English speaking and able to read English
Have access to and are able to use the internet at a minimum of once per week
Sufficient proficiency and confidence to use the internet and follow video-based instructions, as determined by the eligibility questionnaire to be completed by the participant
Willingness to be randomized

Exclusion Criteria:

Self-reported inability to walk 2 blocks (at any pace)
Currently physically active (> 90 minutes of moderate or vigorous physical activity per week) as determined by Leisure Score Index of Godin Leisure-Time Exercise Questionnaire [LSI])
Previously on ADT
Radiologic evidence of distant disease
Cardiovascular, respiratory or musculoskeletal disease or joint problems that preclude moderate physical activity. Examples would include unstable angina, recent myocardial infarction, oxygen-dependent pulmonary disease, and osteoarthritis requiring imminent joint replacement. Moderate arthritis that does not preclude physical activity is not a reason for ineligibility.
Psychiatric disorders or conditions that would preclude participation in the study intervention (e.g., untreated major depression or psychosis, substance abuse, severe personality disorder)