CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 534 enrolled
Drug / intervention
Chargebehavioral
Likely dose
Not stated in record
Key inclusion· 5
  • ✓Age 18–65 years
  • ✓BMI between 25–40 kg/m²
  • ✓Smartphone ownership
  • ✓English language proficiency
Key exclusion· 7
  • ✕Prior or planned bariatric surgery
  • ✕Psychiatric hospitalization in past 12 months
  • ✕Pregnancy, nursing, or planned pregnancy
  • ✕History of cardiovascular event

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03254940
NCT03254940N/ACompleted
CompareCT.gov

Charge: Optimizing a Standalone Text Messaging-Based Weight Loss Intervention

Duke University·interventional·Posted Aug 21, 2017·Updated Apr 10, 2025

In Brief

A clinical study evaluating Charge for Weight Loss and Obesity. Completed, enrolled 534 participants across 1 site.

Detailed Summary

This study evaluates different versions of a text messaging-based app for weight loss. This study will place participants to 1 of 32 experimental conditions that reflect different texting components and levels. Participants will be randomized to a condition. The investigators will recruit 448 adults into a 6-month weight loss program, with an additional follow-up 6-months after the intervention ends.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsWeight Loss, Obesity
CountriesUnited States
Collaborators--

Timeline

N/ACompletedFinished
201820192020202120222023202420252026
First PostedAug 21, 2017
Enrollment StartJan 31, 2018
Primary CompletionJun 29, 2019
Study CompletionJan 31, 2023
TodayJul 2, 2026
Enrollment to primary: 1.4 yearsPosted 8.9 years ago

Interventions

Chargebehavioral

Text messaging-based study to determine effect of different components on weight loss.