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The purpose of this phase 1a/b trial is to find out what amount of exercise would be best to use for preventing recurrence of colorectal polyps. It involves following one of four different amounts of exercise regimens on a treadmill for 26 weeks. A treadmill will be placed in each study participant's home for the duration of the study. The exercise regimen will be personalized for each participant and monitored remotely by exercise personnel. The in-person study visits occur during the usual standard of care endoscopy exam and during a follow-up exam that is 26 weeks later. Small rectal tissue biopsies, about the size of a grain of rice, will be taken before and after 26 weeks of exercise. The study visits also involve questionnaires, a stool sample, and a blood sample. This study will inform the design of larger, future trials to investigate whether or not recurrence of polyps can be achieved with exercise.
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Inclusion criteria
Individuals with FAP as defined by:
Have an intact rectum defined as status post colectomy and ileocolonic anastomosis for polyposis or pre-colectomy
≥ 5 rectal polyps > 2 mm in size on baseline lower endoscopy
Participants must have no evidence of invasive cancer for 6 months prior to screening and must be at least 6 months from any prior cancer-directed treatment (such as surgical resection, chemotherapy, immunotherapy, hormonal therapy or radiation)
No initiation of daily use of sulindac, celecoxib or other non-steroidal anti-inflammatory medications (NSAIDs) within 3 months of day 1 and no initiation > 25% of the time (> 8 days/month) for the duration of study participation
No initiation of semaglutide, liraglutide (glucagon-like peptide-1 receptor agonist [GLP-1 receptor agonist]), tirzepatide (glucose-dependent insulinotropic polypeptide [GIP]), orlistat (lipase inhibitor) or other weight loss medications, within 3 months of day 1 and during study participation
Adults ≥ 18 years of age
Human immunodeficiency virus (HIV)-infected participants on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial
For participants with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated
Participants with a history of hepatitis C virus (HCV) infection must have been treated and cured. For participants with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load
Participants on chronic suppressive antiviral therapy for herpes simplex virus (HSV) are eligible
Lower endoscopy, required for participation in the study, is contraindicated in pregnancy. Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) for the duration of study participation, and until after the end of study endoscopy is completed. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform the study team immediately
Inactive defined as ≤ 60 minutes of moderate or strenuous exercise per week over the past month as assessed by the Godin Leisure Time Exercise Questionnaire
No self-reported contraindications to regular exercise as evaluated by the Physical Activity Readiness Questionnaire (PAR-Q+)
Sufficient space to house a treadmill in primary residence for the intervention period or access to an approved treadmill (as determined by study exercise physiologist) for the intervention period (e.g., participant may have access to a treadmill via an existing membership to a health club)
Ability for study team to deliver and install exercise equipment in primary residence
Internet or Wi-Fi connection. For participants without internet or Wi-Fi, a pre-paid cellular iPad will be provided
Willingness and ability to comply with scheduled visits, treatment plans, laboratory tests, and other study procedures
Physician approval
Ability to understand and willingness to sign a written informed consent document
Exclusion criteria
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32 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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