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Guided Imagery Lifestyle Intervention to Promote Health and Prevent Diabetes in Youth

12 ottobre 2018 aggiornato da: Marc Weigensberg, University of Southern California

Imagine HEALTH (Healthy Eating Active Living Total Health) Study: Guided Imagery Lifestyle Intervention to Promote Health and Prevent Diabetes in Youth

The childhood obesity epidemic, which falls disproportionately on Latino adolescents, represents a major public health threat to the current generation of youth, and therefore to the health of the nation overall. This project directly addresses the role of psychosocial stress in promoting obesity and metabolic disease risk, and investigates the role of the mind-body CAM intervention of guided imagery in both reducing stress and promoting healthy lifestyle behaviors that could dramatically improve the metabolic health of today's youth.

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

The childhood obesity epidemic represents a major health threat to the current generation of youth, and falls disproportionately on urban, Latino adolescents. Data suggests modern inner-city minority youth suffer from high levels of psychosocial stress, and that such chronic stress contributes to obesity and insulin resistance, increasing risk of type 2 diabetes, cardiovascular disease, fatty liver disease, and other obesity-related disorders. Guided imagery is a mind-body complementary/alternative medicine (CAM) modality that offers promise as a therapeutic intervention to reduce psychosocial stress, and also to promote healthy lifestyle behaviors. In a pilot 12-week lifestyle intervention, Interactive Guided ImagerySM significantly reduced salivary cortisol, reduced sedentary behavior, and increased moderate physical activity in overweight Latino adolescents. The overall aim of this proposal is to determine the separate contributions of stress reduction guided imagery and health behavior guided imagery, when delivered in the context of a health-promoting, lifestyle intervention, on short-term and long-term stress-reduction and behavioral outcomes in predominantly Latino high school students. The study consists of a high school-based, 12-week lifestyle intervention delivered in an after school program to urban, predominantly Latino adolescents. The intervention features a health-promoting, lifestyle education class, combined with a group guided imagery intervention that is theoretically grounded in Self-Determination Theory (SDT). High school students are randomized to one of 4 intervention arms 1) Non-intervention control; 2) lifestyle education alone (LS); 3) LS + Stress Reduction guided imagery alone; 4) LS + Physical Activity/Healthy Eating guided imagery. Outcomes will be measured upon completion of the 12-wk intervention, after an additional 6-month maintenance program, and after a further 6-month period of no program contact. Primary outcomes will be change in salivary cortisol patterns and changes in physical activity and dietary intake. Secondary outcomes are insulin resistance, body fat, carotid intima media thickness, metabolic syndrome, perceived stress, well-being (self-esteem, health related quality of life), and measures of mediation by SDT constructs. Results will demonstrate the isolated effects of the lifestyle education and the two different forms of guided imagery, and could shift the paradigm of obesity prevention and treatment in urban minority youth to include attention to social stress and promotion of well-being.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

240

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Stati Uniti
    • California
      • Los Angeles, California, Stati Uniti, 90033
        • University of Southern California

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 14 anni a 17 anni (Bambino)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Male and female enrolled in second year (i.e. sophomore year) of high school at time of consent into study, junior year at time of intervention
  • Self-stated intent to complete high school
  • Predominantly minority ethnicity (self-reported)
  • Overweight/ obese and normal weight
  • Agreement to attend up to 3 after school classes per week for the 12 weeks of the program

Exclusion Criteria:

  • Serious chronic illness or physical, cognitive, or behavioral disability that would prevent ability to fully receive intervention
  • Prior diagnosis of clinical eating disorder, psychiatric disorder, or significant cognitive disability
  • Lack of English fluency
  • Participation in previous "Council" programs offered through the school
  • Participation in formal weight-loss programs in 3 months preceding entry to study
  • Pregnancy
  • Sibling or other household member enrolling for the intervention

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Ricerca sui servizi sanitari
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Nessun intervento: Non-intervention control
No intervention will be delivered.
Sperimentale: Lifestyle Education (LS)
The lifestyle curriculum will be taught in twice weekly after-school sessions of ~1.25 hours, one physical activity and one nutrition-related, delivered over 12-weeks during the course of a single academic semester. The lifestyle program will utilize the "Shape Up" curriculum of SOSMentor, a community non-profit collaborator, modified to seamlessly integrate key concepts of the non-diet philosophy of "Intuitive Eating". The curriculum fully encompasses health-promoting nutrition and physical activity practices consistent with consensus recommendations .
Comportamentale: Lifestyle Education (LS)
See arm description
Sperimentale: LS + Stress Reduction Guided Imagery
In addition to the after school lifestyle classes, participants will receive group Interactive Guided Imagery (IGI) consisting of standard stress reduction imagery practices, delivered once weekly for 12 weeks as an after school class of ~1.25 hours. The group IGI will be delivered by certified facilitators in the context of the facilitated group process known as "Council", a group communication process used by many indigenous and other cultures.
Comportamentale: Lifestyle Education (LS)
See arm description
Comportamentale: LS + Stress Reduction Guided Imagery
See Arm Description
Sperimentale: LS + Activity/Eating Guided Imagery
In addition to the after school lifestyle classes, participants will receive group Interactive Guided ImagerySM (IGI) delivered once weekly for 12 weeks as an after school class of ~1.25 hours. The group IGI will be delivered by certified facilitators in the context of the facilitated group process known as "Council", a group communication process used by many indigenous and other cultures. Participants in this arm will receive stress reduction IGI for 4 wks, plus 8 weekly sessions with IGI content designed to promote physical activity and healthy eating.
Comportamentale: Lifestyle Education (LS)
See arm description
Comportamentale: LS + Activity/Eating Guided Imagery
See arm description

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Physical activity
Lasso di tempo: 3 months
Physical activity and sedentary behavior will be measured by accelerometry and 3-day physical activity recall.
3 months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Salivary Cortisol, daily slope
Lasso di tempo: 3 months
Salivary cortisol will be collected on 3 successive days at awakening, 30-minutes post-awakening, and in the evening.
3 months
Change in Dietary intake
Lasso di tempo: 3 months
Dietary intake of macronutrients measured by 3-day diet record
3 months

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Perceived Stress
Lasso di tempo: 3 months
Measured by Perceived Stress Scale
3 months
Change in Well-Being
Lasso di tempo: 3 months
Measured by Psychological General Well-Being Index (GWBS) and the Arizona Integrated Outcomes Scale.
3 months
Change in Adiposity
Lasso di tempo: 3 months
BMI will be determined based on standards for age and sex, using clinical balance and stadiometer. Percent body fat will be determined by bioimpedance.
3 months
Change in Insulin resistance
Lasso di tempo: 3 months
The Homeostatic Model Insulin Resistance Index will be determined based on measures of fasting glucose and insulin.
3 months
Change in Carotid artery intima media thickness
Lasso di tempo: 15 months
Determined by carotid artery ultrasound.
15 months
Change in Self-determination Theory Constructs
Lasso di tempo: 3 months
Constructs of SDT will be assessed as theoretical mediators of intervention effects using the following survey measures: Perceived Competence for Participating in Regular Physical Activity (PCSPA) and for Healthy Eating (PCSHE); Health Care Climate Questionaire to determine autonomy support; Exercise Self-Regulation Questionnaire and Treatment Self-Regulation Questionnaire to determine autonomous motivation for physical activity and healthy eating; Group Cohesion Scale to assess relatedness.
3 months
Change in Intuitive eating
Lasso di tempo: 3 months
Intuitive Eating Scale measures attitudes and behaviors relating to intuitive eating.
3 months

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

University of Southern California

Pubblicazioni e link utili

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Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 maggio 2014

Completamento primario (Effettivo)

27 aprile 2018

Completamento dello studio (Effettivo)

31 luglio 2018

Date di iscrizione allo studio

Primo inviato

26 febbraio 2014

Primo inviato che soddisfa i criteri di controllo qualità

12 marzo 2014

Primo Inserito (Stima)

14 marzo 2014

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

17 ottobre 2018

Ultimo aggiornamento inviato che soddisfa i criteri QC

12 ottobre 2018

Ultimo verificato

1 ottobre 2018

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • NCCAM 1 RO1 AT008330-01

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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