Internet Treatment for Weight Loss in Primary Care
This study will test the effectiveness of two distinct treatments for weight loss:
- Motivational Interviewing
- Nutritional Counseling. These treatments will be compared to Treatment as Usual. Participants will be recruited through local primary care offices.
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Connecticut
-
New Haven, Connecticut, United States, 06520
- Yale School of Medicine
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- BMI 25-55
- Daily access to internet and phone
Exclusion Criteria:
- Co-existing physical and/or psychiatric conditions that require more significant treatment (e.g., bipolar disorder, psychotic illnesses), and/or require more intensive treatment or hospitalization (e.g., suicidality, severe mood disorders)
- Meets criteria for current substance abuse or dependence
- Currently receiving psychiatric, psychological, behavioral, or pharmacologic treatment that is known to affect weight or eating
- Pregnant, breastfeeding, or plans to become pregnant during the treatment period
- Cardiac disease, including ischemic heart disease, congestive heart failure, conduction abnormalities, or a history of heart attack
- Serious neurologic illnesses (e.g., seizure history) or medical illnesses (e.g., impaired hepatic or renal function)
- Uncontrolled diabetes, thyroid conditions, or hypertension
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Active Comparator: Treatment as usual
|
Participants will be encouraged to continue their care with their primary care physician.
|
|
Experimental: Motivational Interviewing
|
5 sessions of motivational interviewing over a period of 3 months.
|
|
Active Comparator: Nutritional Counseling
|
5 sessions of nutritional counseling over a period of 3 months.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Body Weight in Pounds.
Time Frame: 1.5 months after treatment start (Baseline)
|
Body weight lost in pounds measured 1.5 months after first treatment session.
|
1.5 months after treatment start (Baseline)
|
|
Body Weight in Pounds.
Time Frame: 3 months after treatment start (Baseline)
|
Body weight lost in pounds measured 3 months after first treatment session.
|
3 months after treatment start (Baseline)
|
|
Body Weight in Pounds.
Time Frame: 6 months after treatment start (Baseline)
|
Body weight lost in pounds measured 6 months after first treatment session (3 month follow-up after active treatment ends).
|
6 months after treatment start (Baseline)
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Rachel Barnes, PhD, Yale University
Publications and helpful links
General Publications
- Barnes RD, White MA, Martino S, Grilo CM. A randomized controlled trial comparing scalable weight loss treatments in primary care. Obesity (Silver Spring). 2014 Dec;22(12):2508-16. doi: 10.1002/oby.20889. Epub 2014 Oct 9.
- Wiedemann AA, Baumgardt SS, Ivezaj V, Kerrigan SG, Lydecker JA, Grilo CM, Barnes RD. Getting a head start: identifying pretreatment correlates associated with early weight loss for individuals participating in weight loss treatment. Transl Behav Med. 2021 Feb 11;11(1):236-243. doi: 10.1093/tbm/ibz149.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 1106008713
- 1K23DK092279-01 (U.S. NIH Grant/Contract)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.