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Obesity / Global Positioning System (GPS) Device / Step it Up mobile app · Interventional Study
ClinicalTrials.gov · August 17, 2026
Early or partial results. Treat as a signal, not a conclusion.
This is a registered clinical trial comparing an adaptive, neighborhood-tailored mobile health intervention to standard remote coaching for increasing physical activity in African American women with obesity in resource-limited areas. No results are posted in this registry record; the study is actively recruiting and follow-up extends to 6 months.
Interventional, Randomized, Sequential, Single masking, Basic Science purpose. Obesity; Female; age from 21 Years; to 75 Years; accepts healthy volunteers. Intervention: Group 2 Label: PA monitor with standard remote coaching (SR…; Group 1 Label: PA monitor with remote coaching tailored to…. Compared with: Standard remote coaching via mobile app without neighborhood-tailored adaptive component.. n = 325. 1 site: United States.
This is a registered clinical trial comparing an adaptive, neighborhood-tailored mobile health intervention to standard remote coaching for increasing physical activity in African American women with obesity in resource-limited areas. No results are posted in this registry record; the study is actively recruiting and follow-up extends to 6 months.
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
Results from this study may inform whether neighborhood-tailored mobile health technology is more effective than standard remote coaching for increasing physical activity in underrepresented populations at high cardiovascular risk. Clinical utility depends on final results and generalizability beyond the recruited geography.
This is a clinical trial registry record with no results posted; it describes an ongoing interventional study in the recruitment phase testing mobile health technology for physical activity in a specific population.
As stated by the source record.
Quoted from the source exactly as published.
Results from this study may inform whether neighborhood-tailored mobile health technology is more effective than standard remote coaching for increasing physical activity in underrepresented populations at high cardiovascular risk. Clinical utility depends on final results and generalizability beyond the recruited geography.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
What is missing. This record has no key findings. That is a gap in the analysis, not a judgement about the study.
Registry record from ClinicalTrials.gov (NCT03288207). This is a study registration, not published results. Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI). Recruitment status: RECRUITING. Phase: NA. Study type: INTERVENTIONAL. Enrollment: 325 participants (ESTIMATED). Conditions: Obesity. Interventions: DEVICE: Step it Up mobile app; DEVICE: Global Positioning System (GPS) Device; DEVICE: Bluetooth-enabled scale; DEVICE: Bluetooth-enabled glucometer; DEVICE: MRI: Image Reconstruction and Analysis Software (Device Manufacturer: NIH); DEVICE: MRI: Research pulse sequences (Device Manufacturer: NIH); DEVICE: MRI: radiofrequency coils (Device Manufacturer: Siemens Medical Solutions USA, Inc.); DEVICE: AMRA Researcher Image reconstruction software. Primary outcome measures: The difference in physical activity (PA) change between an adaptive intervention with remote coaching tailored to neighborhood resources (referred to as tailored-to-place coaching) versus beginning w/ standard remote coaching , baseline, and up to 6 months. Brief summary: Background: Heart disease is a leading cause of death. People can reduce their heart disease risk by exercising more. Mobile health technology may make people more successful at increasing their exercise. This includes things like physical activity monitors and smartphone apps. Objective: To find out if mobile health technology can increase physical activity. Eligibility: African American women ages 21-75 who: * Are overweight or obese * Live in certain areas near Washington, DC * Have a smartphone that can use the study app Design: At visit 1, participants will * Answer survey questions. These may be about medical history, physical activity, and weight. They may also cover body image, health perception, and spirituality. * Have body size measured and get blood tests * Get a device to wear on the wrist. It will record physical activity and hours of sleep. * Learn how to download and use the study mobile app For 2 weeks, researchers will collect data about participants physical activity. Then participants will have a study visit with additional blood tests. All participants will get messages from the app that encourage exercise. Some participants will get data from the app about exercise near their home or work. Some participants may get face-to-face coaching. Participants may get wireless devices. These measure body weight, blood pressure, and blood glucose. Participants can measure these at home and upload the data to the app for the study. Participants will have visits after 3 and 6 months. They will repeat the visit 1 tests.
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