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En_Línea. An Online Treatment to Change Lifestyle in Overweight and Obesity

Not Applicable
Conditions
Overweight
Obesity
Interventions
Behavioral: en_línea
Behavioral: Group therapy
Registration Number
NCT04127201
Lead Sponsor
University of Barcelona
Brief Summary

A randomized controlled trial to test the effectiveness of an online weight control program, called en_línea, comparing with a standard group therapy and a control group

Detailed Description

This is a randomized controlled trial with three intervention arms: en_línea, standard group therapy and control group. To perform this study, 305 adults (18-65 years) with overweight type II (27-29.9 kg/m2) or obesity type I (30-34.9 kg/m2) will be invited to participate. Interventions will last 17 weeks with follow-ups 1, 3, 6 and 12 months after the post-treatment appointment. The primary outcome will be post-treatment weight loss and the maintenance during the follow-ups. Secondary outcomes will be adherence rates, drop outs and quality of life. Participants will be assessed before randomization and they will be sign an inform consent.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
305
Inclusion Criteria
  1. Overweight type II or obesity type I. BMI between 27 and 34.9 kg/m2
  2. Age between 18 and 65 years old
  3. Compliance with all evaluation phases.
Exclusion Criteria
  1. Presence of several physical disease, i.e. diabetes, hypertension, cancer or metabolic disorders
  2. Presence of several psychological problem, i.e. depression, anxiety
  3. Presence of other eating disorders, i.e. anorexia nervosa, bulimia nervosa, binge eating disorders
  4. Use of drugs, i.e. slimming, anovulatory or psychotropic
  5. Pregnancy or planned pregnancy for the next six months
  6. Following another weight control program at the time of selection.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Online intervention, en_líneaen_líneaParticipants will be provided with a username and a password to acess to a website. en_línea program is an online adaptation of the LEARN program. The five treatment areas are: Lifestyle, Exercise, Attitudes, Relationships and Nutrition. We have designed and developed a website (www.programaenlinea.org) with 17 weekly treatment sessions and an exclusive mobile application for self-recording.
Standard group therapyGroup therapyParticipants in this arm will received a 10 sessions of standard primary care group therapy. Sessions 1 and 2 will be weekly and sessions from 3 to 10 will be biweekly. Sessions, between 8 and 10 participants, will be conducted by a specialized psychologist and they will last 90 minutes. Treatment areas will be the same as en_línea, beginning with nutrition and exercise and a progressive incorporation of the other topics. Material to work at home and self-recording will be provided in paper.
Primary Outcome Measures
NameTimeMethod
Maintenance of weight loss 6 months follow-up6 months follow-up

Maintenance of weight loss

Weight loss4 months

5%-10% of weight loss respect the initial weight

Maintenance of weight loss 1 month follow-up1 month follow-up

Maintenance of weight loss

Maintenance of weight loss 3 months follow-up3 months follow-up

Maintenance of weight loss

Maintenance of weight loss 12 months follow-up12 months follow-up

Maintenance of weight loss

Secondary Outcome Measures
NameTimeMethod
Adherence4 months

80% of completed website activities and 80% of self-records

Drop out4 months

Percentage of participants who finish the treatment

Quality of life test measures4 months

Questionnaire of Quality of Life provided by the LEARN program

Trial Locations

Locations (1)

Unidad de Terapia de Conducta, University of Barcelona

🇪🇸

Barcelona, Spain

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