This is a feasibility study that will collect data to assess the potential effect of a nutritional intervention designed to improve liver metabolism. This prospective single-site trial will enroll adult patients undergoing liver-directed therapies for hepatocellular carcinoma. Eligible individuals who are randomized to the intervention group will be enrolled in a six-month nutritional change program consisting of time-restricted eating in which calorie consumption is limited to 8-10 hours during the day, plus targeted healthy changes in what they eat. The intervention includes dietary counseling visits with a study registered dietitian and motivational phone calls with a study Certified Health and Wellness Coach to help subjects adhere to the intervention. Individuals in the control group will be enrolled in a six-month period of observation only. The main questions it aims to answer are: Is a prolonged nightly fast coupled with a healthy diet safe and feasible for patients with liver cancer? Does the intervention improve liver metabolism?
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
50
Subjects will restrict calorie consumption to 8-10 hours during the day plus will follow a healthy plant-based diet.
University of California San Diego
La Jolla, California, United States
RECRUITINGAdherence to protocol
Participant adherence to and comprehension of the protocol as an indicator of intervention delivery by staff. Adherence will be assessed by the number of participants who complete the study, the percentage of days with fasting \>14 h, and the number of days that food was logged into the app.
Time frame: 6 months
Safety from adverse events
Safety assessed by adverse events and liver function tests. Reports on adverse events will include hypoglycemic epidoes, nausea, disrupted sleep, decreased quality of life or other patient reported events from surveys. Liver function tests (AST and ALT) as well ss platelet count and total protein are monitored under SOC. AST and ALT elevation will be considered mild if 2-5 times upper limit normal (ULN), moderate if 5-15 times ULN, and severe if \>15 times ULN.
Time frame: 6 months
Ability to recruit
Ability to recruit our target population will be assessed by the number of eligible individuals in the patient population, and the number who enroll in the trial.
Time frame: 6 months
Satisfaction and self-motivation
We will determine the degree to which participants liked the intervention through satisfaction surveys at the end of the study and the number of participants who demonstrate self-motivation to continue the intervention protocol during 6-month follow-up.
Time frame: 6 months
Effect of intervention on Quality of Life
Quality of Life will be assessed using the EORTC QLQ C-30 questionnaire for Cancer patients
Time frame: 6 months
Effect of interventions on fasting glucose
Fasting glucose will be measured at baseline and 6 months
Time frame: 6-months
Sleep disturbance
Sleep disturbance as reported by the PROMIS-8b survey
Time frame: 6 months
Effect of intervention on body weight
Body weight will be measured prior to and during intervention
Time frame: 6 months
Effect of intervention on food frequency
Participants will complete a Food frequency questionnaire at Baseline, 3 months and 6 months
Time frame: 6 months
Effect of intervention on Adiposity
Adiposity will be measured by Dual-energy X-ray Absorptiometry (DXA) at baseline and at 6 months
Time frame: 6 months
Effect of interventions on Physical activity
Physical activity will be measured by Accelerometer mounted at the waist at baseline and at 6 months
Time frame: 6 months
Effect of intervention on Glucose levels
Glucose levels will be monitored by Continuous Glucose Monitoring at baseline and at 6 months
Time frame: 6 months
Effect of intervention on fasting insulin
Fasting insulin levels will be measured at baseline and at 6 months
Time frame: 6 months
Effect of intervention on ketone production
Fasting beta-hydroxybutyrate levels will be measured at baseline and 6 months
Time frame: 6 months
Effect of interventions on hemoglobin A1c
Hemoglobin A1c will be measured at baseline and 6 months
Time frame: 6 months
Effect of intervention on plasma leptin
Leptin levels will be measured at baseline and 6 months
Time frame: 6 months
Effect of intervention on inflammatory cytokines
Inflammatory cytokines will be measured at baseline and 6 months
Time frame: 6 months
Effect of intervention on fecal microbiome
7S sequencing will be performed on fecal samples at baseline and 6 months
Time frame: 6 months
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