A Mindfulness Mobile Intervention Targeting Reductions in Food Cravings

University of California San Francisco (UCSF) logo

University of California San Francisco (UCSF)

Status

Completed

Conditions

Food Cravings

Treatments

Behavioral: Mobile application intervention (Device: Smartphone)

Study type

Interventional

Funder types

Other

Identifiers

NCT02694731
15-17250

Details and patient eligibility

About

Participants will complete a 5-week smartphone app-based intervention that teaches mindful eating skills. One goal is to determine to what extent participants will enjoy using the app and complete the intervention. The investigators predict that after completing the intervention, participants will report fewer episodes of eating in response to food cravings. The investigators will also measure several other biological and behavioral outcomes.

Full description

In this prospective repeated-measures cohort study, participants will complete a 5-week smartphone app-based intervention that teaches mindful eating skills. The investigators will assess psychological and behavioral intervention targets using questionnaires and brief mobile assessments. The investigators will also measure BMI and adiposity. Assessments will occur at pre-intervention, post-intervention, and 1 and 2 months post intervention. At several times during the study, participants will also receive multiple daily text messages asking them to complete a brief food craving assessment on their phone. This "experience sampling" approach is critical as it allow the investigators to capture experiences and behaviors that are often brief and automatic, making them poorly suited to traditional retrospective questionnaires. The investigators will also assess acceptability and continued use of the app via anonymous usage logs. Overall, the aims are to 1) assess feasibility of the protocol, 2) assess changes in food cravings and indulgence of cravings, and 3) determine the extent to which participants remain engaged with the app after completing the 5-week intervention period and whether this predicts maintenance of benefits at 1 month and 2 months post-intervention. An exploratory aim is to measure the effects of the intervention on body weight, bodyfat, and bodyfat distribution.

Enrollment

104 patients

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Problems with controlling food intake as indexed by "yes" responses to the following two questions: "Do you have food cravings?" and "Do you eat in response to your food cravings more than you would like to?"
  • Overweight or obese (BMI of 25.0 to 39.9 kg/m2)
  • Score at or above the scale midpoint on the Readiness Ruler, a single-item visual analog scale measure of readiness for behavioral change (prompt is, "I have decided to give in to food cravings less")
  • Have and use a smartphone (Android or iOS) with internet access.
  • Report food cravings on most days and a desire to indulge in food cravings less

Exclusion criteria

  • Current diabetes

  • Pregnant or plans to become pregnant within 4 months

  • Current diagnosis of anorexia or bulimia

  • In the opinion of an investigator, meets any of the following criteria:

    1. Likely to drop out due to expressed ambivalence or lack of interest
    2. Likely to be harmed in any way by participating
    3. Likely to have provided untruthful answers to the screening questions (based on evidence such as unclear or inconsistent responses when talking to study staff vs. reporting online, or log data showing repeated attempts to "game" the screening questionnaire).

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

104 participants in 1 patient group

Mobile application intervention
Experimental group
Description:
Participants receive a mobile app with a 5-week mindful eating program and ongoing tools for coping with cravings
Treatment:
Behavioral: Mobile application intervention (Device: Smartphone)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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