Study Summary
This trial will study the best goal intensity level for a weight loss program for adults with obesity, delivered remotely. It will compare 16 different treatment conditions.
Eligible Conditions
- Obesity
- Weight Loss
- Health Behaviors
Treatment Effectiveness
Effectiveness Progress
Study Objectives
4 Primary · 7 Secondary · Reporting Duration: baseline; 3 months; 6 months
3 months
(Acceptability) Would you recommend the weight loss program to a friend who is trying to lose weight?
(Feasibility) retention rate
baseline to 3 months
(Feasibility) engagement in self-monitoring body weight
(Feasibility) engagement in self-monitoring dietary intake
(Feasibility) engagement in self-monitoring steps
(Feasibility) goal attainment of calorie goal
(Feasibility) goal attainment of eating window goal
(Feasibility) goal attainment of step goal
(Feasibility) goal attainment of weight goal
baseline to 6 months
weight
Month 6
(Feasibility) survey completion rate
Trial Safety
Safety Progress
Trial Design
16 Treatment Groups
Condition 12
1 of 16
Condition 10
1 of 16
Condition 1
1 of 16
Condition 2
1 of 16
Condition 3
1 of 16
Condition 4
1 of 16
Condition 5
1 of 16
Condition 6
1 of 16
Condition 7
1 of 16
Condition 8
1 of 16
Condition 9
1 of 16
Condition 11
1 of 16
Condition 13
1 of 16
Condition 14
1 of 16
Condition 15
1 of 16
Condition 16
1 of 16
Experimental Treatment
32 Total Participants · 16 Treatment Groups
Primary Treatment: Condition 12 · No Placebo Group · N/A
Condition 12Experimental Group · 5 Interventions: Easier Step Goal, Harder Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 10Experimental Group · 5 Interventions: Easier Step Goal, Easier Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 1Experimental Group · 5 Interventions: Easier Step Goal, Easier Eating Window Goal, Easier Calorie Goal, Easier Weight Loss Goal, Core Behavioral Weight Loss Intervention · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 2Experimental Group · 5 Interventions: Easier Step Goal, Easier Calorie Goal, Easier Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 3Experimental Group · 5 Interventions: Easier Step Goal, Easier Eating Window Goal, Easier Weight Loss Goal, Harder Calorie Goal, Core Behavioral Weight Loss Intervention · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 4Experimental Group · 5 Interventions: Easier Step Goal, Easier Weight Loss Goal, Harder Calorie Goal, Core Behavioral Weight Loss Intervention, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 5Experimental Group · 5 Interventions: Easier Eating Window Goal, Easier Calorie Goal, Easier Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 6Experimental Group · 5 Interventions: Easier Calorie Goal, Easier Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 7Experimental Group · 5 Interventions: Easier Eating Window Goal, Easier Weight Loss Goal, Harder Calorie Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 8Experimental Group · 5 Interventions: Easier Weight Loss Goal, Harder Calorie Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 9Experimental Group · 5 Interventions: Easier Step Goal, Easier Eating Window Goal, Easier Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 11Experimental Group · 5 Interventions: Easier Step Goal, Easier Eating Window Goal, Harder Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 13Experimental Group · 5 Interventions: Easier Eating Window Goal, Easier Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 14Experimental Group · 5 Interventions: Easier Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 15Experimental Group · 5 Interventions: Easier Eating Window Goal, Harder Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Condition 16Experimental Group · 5 Interventions: Harder Calorie Goal, Harder Weight Loss Goal, Core Behavioral Weight Loss Intervention, Harder Step Goal, Harder Eating Window Goal · Intervention Types: Behavioral, Behavioral, Behavioral, Behavioral, Behavioral
Trial Logistics
Trial Timeline
Screening: ~3 weeks
Treatment: Varies
Reporting: baseline; 3 months; 6 months
Who is running the clinical trial?
Stanford UniversityLead Sponsor
2,182 Previous Clinical Trials
35,790,721 Total Patients Enrolled
65 Trials studying Obesity
117,112 Patients Enrolled for Obesity
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)NIH
2,182 Previous Clinical Trials
4,088,865 Total Patients Enrolled
412 Trials studying Obesity
493,849 Patients Enrolled for Obesity
Eligibility Criteria
Age 18+ · All Participants · 8 Total Inclusion Criteria
Mark “Yes” if the following statements are true for you:Your body mass index (BMI) falls between 25 and 45 kg/m^2.
You own a smartphone.
You need to be willing to download and use the Fitbit mobile app on your phone.
You want to lose weight by changing your behavior.
You must be able to speak and understand English.
Who else is applying?
What state do they live in?
| California | 100.0% |
What portion of applicants met pre-screening criteria?
| Did not meet criteria | 50.0% |
| Met criteria | 50.0% |
How many prior treatments have patients received?
| 0 | 100.0% |
Why did patients apply to this trial?
- "My weight gain has led to further medical problems."
Frequently Asked Questions
Is there still room to enroll participants in this research endeavor?
"The clinical trial referenced is no longer recruiting, as the study was last updated on Feb 5th 2023. Although this experiment does not require additional participants at present, there are numerous other trials listed on clinicaltrials.gov which are currently enrolling patients across a range of ailments and treatments." - Anonymous Online Contributor
Unverified Answer
What are the projected results of this trial?
"The primary outcome of the trial, measured from its commencement to three months later, is the engagement rate in self-monitoring. Secondary goals include a survey completion ratio (80% or higher), and meeting weight goal/step goal benchmarks at 75% for weeks/days respectively." - Anonymous Online Contributor
Unverified Answer