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Primary Care Treatment for Overweight Adolescent Females (SHINE)

This study has been completed.
Sponsor:
Information provided by:
Kaiser Permanente
ClinicalTrials.gov Identifier:
NCT01068236
First received: February 11, 2010
Last updated: March 23, 2010
Last verified: March 2010
  Purpose

This project will examine the effectiveness of a primary care based intervention to help overweight teen girls adopt healthy lifestyle practices. Participants are adolescent females at select Kaiser Permanente Northwest primary care clinics with a body mass index above the 90th percentile. Teens will be randomly assigned to (1) a behavioral weight control program (enriched intervention), (or 2) usual-care (control). Primary care providers of teens in the intervention condition are given customized plans describing the teen's eating and physical activity habits and instructions on how to best work with these teens and their families. The behavioral weight control program is specifically tailored for teen girls and includes separate group meetings for teens and parents, follow-up telephone contacts with their group leader, and coordinated feedback from the teen's primary care provider.


Condition Intervention Phase
Obesity
Behavioral: Healthy lifestyle managment
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Primary Care Treatment for Overweight Adolescent Females

Resource links provided by NLM:


Further study details as provided by Kaiser Permanente:

Primary Outcome Measures:
  • BMI z-score [ Time Frame: 2 years ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Blood pressure [ Time Frame: One year ] [ Designated as safety issue: Yes ]
  • Fasting lipid profile [ Time Frame: One year ] [ Designated as safety issue: No ]
  • Fasting glucose [ Time Frame: One year ] [ Designated as safety issue: No ]

Enrollment: 215
Study Start Date: August 2005
Study Completion Date: December 2009
Primary Completion Date: December 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Healthy lifestyle intervention
lifestyle/weight-loss intervention for overweight (95th - 99th percentile) female adolescents (13-15 years of age at study entry) to a usual-care control condition. The intervention will be 20-sessions and combines group visits, individual telephone coaching calls, and tailored pediatric primary care providers (PCP) visits.
Behavioral: Healthy lifestyle managment
Exercise, yoga, food diaries, provider consultation
No Intervention: Usual care
In the usual care control condition adolescents and their family will receive individualized feedback from the assessments as well as handouts outlining healthy means of maintaining / reducing weight for adolescents through improving nutrition and physical activity. In addition, these participants will be encouraged to seek any appropriate health care/education services available through Kaiser Permanente or in the community.

  Hide Detailed Description

Detailed Description:

Obesity is currently a major US public health problem, given its prevalence and adverse health consequences. In the past two decades, the percentage of overweight adolescents has almost tripled from 5 to 14%. Clinic-based weight control treatments for youth have demonstrated some success, but most have been designed for pre-adolescent children and their families. Even though considerable research explores adult-weight control and a growing body of research examines childhood obesity, treatments for adolescents have not been adequately studied. Also, almost all empirically tested interventions for youth have been based in academic research clinics rather than in primary care medical settings, where weight problems are most often identified and may be most efficiently treated. Placing adolescent weight-related interventions in primary medical care settings could make them both more easily disseminated and more cost-effective. Finally, treating obesity in a primary care (non-school) setting may be particularly effective/appropriate for teen girls for two reasons. First, overweight girls are at higher risk than normal-weight peers for engaging in unhealthy weight-control behaviors. Second, researchers speculate that teen girls' self-consciousness in mixed-gender physical education (PE) classes may contribute to their lower enrollment rates enrollment in PE classes and overall decline in physical activity in recent years. If so, targeting physical activity in a primary-care-based program may be more successful than in school-based programs.

We propose to examine the clinical effectiveness and incremental cost-effectiveness of a primary care-based multi-component lifestyle intervention for overweight adolescent females and their families. This multi-component intervention will be tailored for gender and developmental stage, and will include a behaviorally-based intervention for teens and parents as well as coordinated feedback and counseling from the adolescent's pediatric primary care provider (PCP). We will compare the primary care-based intervention to a usual-care control condition in which adolescents and their family receive information about weight loss and guidelines for achieving and maintaining a healthy lifestyle along with the encouragement to utilize any appropriate health care services.

The principal aim of the study is to determine the clinical effectiveness of a primary care-based, multi-component lifestyle intervention for overweight (≥ 90th percentile) adolescent females and their families. H1: We hypothesize that the treatment group will have a greater decrease in BMI z-score from baseline to 12 months than the control youth.

In addition, we include the following secondary aims that are exploratory and intended to be hypothesis-generating rather than hypothesis-testing activities:

Determine if dietary intake (total energy intake, % calories from fat, etc.) and/or physical activity mediate the effect of the intervention on BMI z score. H2: Change in dietary intake and physical activity from baseline to 6 months will mediate the relationship between the intervention and change in BMI z score from baseline to 12 months.

Determine the impact of the experimental intervention for overweight adolescents and their families on the secondary outcomes including other physiological parameters (triglycerides, cholesterol, fasting insulin), quality of life, and psychosocial functioning; participant safety (depression and disordered eating behaviors); and feasibility/acceptability of the intervention (e.g., participant and provider satisfaction) in preparation for future Phase III trials.

Determine the incremental cost-effectiveness of the intervention relative to usual care from the societal perspective. We will examine the direct cost of delivering the intervention and this treatment's impact on subsequent use and cost of health services. We also will include indirect costs to participants and their families due to their participation in the intervention and use of other health care services (e.g., time spent in travel, usual care visits, out-of session activities).

  Eligibility

Ages Eligible for Study:   13 Years to 15 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Females,
  • Ages 13- 15 at study recruitment,
  • BMI in overweight range (95th percentile - 99th percentile,
  • One or both parent(s) willing to participate.

Exclusion Criteria:

  • BMI > 99th percentile,
  • Significant cognitive impairment,
  • Current pregnancy,
  • Congenital heart disease that limits activity,
  • Serious asthma requiring oral prednisone,
  • Taking medications that increase appetite.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01068236

Sponsors and Collaborators
Kaiser Permanente
Investigators
Principal Investigator: Victor J Stevens, PhD Kaiser Permanente
  More Information

No publications provided by Kaiser Permanente

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Victor J. Stevens, PhD /Senior Investigator, Kaiser Permanente
ClinicalTrials.gov Identifier: NCT01068236     History of Changes
Obsolete Identifiers: NCT00451685
Other Study ID Numbers: 5R01 HD050931-04
Study First Received: February 11, 2010
Last Updated: March 23, 2010
Health Authority: United States: Institutional Review Board

Keywords provided by Kaiser Permanente:
Teen girls
weightloss
healthy lifestyle
yoga
Weight loss and healthy lifestyle

Additional relevant MeSH terms:
Overweight
Body Weight
Signs and Symptoms

ClinicalTrials.gov processed this record on November 20, 2014