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Gestion du poids et intervention sur les comportements de santé pour réduire le risque de cancer pour les familles BRCA positives et atteintes du syndrome de Lynch

5 octobre 2026 mis à jour par: M.D. Anderson Cancer Center

HEALTH4Families : Optimisation d'une intervention sur la gestion du poids et les comportements de santé pour les familles BRCA+ et le syndrome de Lynch

This trial studies how well weight management and health behavior intervention works in helping patients with hereditary breast and ovarian cancer and Lynch syndrome mutation carriers lose or maintain a healthy weight and lower their risk for cancer. Lifestyle behaviors such as physical activity, diet, and weight management may play a key role in preventing cancers and improving outcomes even in those with hereditary cancer syndromes.

Aperçu de l'étude

Description détaillée

PRIMARY OBJECTIVES:

I. Identify the most effective intervention components for weight loss (primary outcome) and percent energy from fat, vegetable and fruit consumption, physical activity, and theory based behavioral determinants (secondary outcomes), with the goal of developing an optimized weight management intervention for hereditary breast and ovarian cancer (HBOC) and Lynch syndrome (LS) mutation carriers and their family members.

II. Identify the most effective intervention combination that could be delivered for a cost of $364 or less, which is the reimbursement level provided by Medicare for 6 months of intensive behavioral weight loss counseling.

III. Explore the effects of each component on weight loss, vegetable and fruit consumption, percent energy from fat, and physical activity 4 months after the end of the intervention.

IV. Evaluate whether the effects of the intervention components differ by mutation status, previous cancer diagnosis in the index participant, HBOC versus (vs) LS, family environment, and gender of index participant.

V. Pilot test the intervention in MD Anderson's Cancer Prevention Center, to determine the feasibility of providing the intervention components in a clinical setting.

OUTLINE:

Participants are randomized to 1 of 24 conditions, each comprising weight management and health behavior intervention with different combinations of 4 components for 16 weeks. The 4 components are: telephone coaching vs email coaching vs no coaching, text messages vs no text messages, self-monitoring 4-7 days a week vs 1 day per week, and a family team intervention vs none.

TELEPHONE COACHING: Participants receive 1 phone call each week from a coach over 30-45 minutes to discuss diet, physical activity and goal setting.

EMAIL COACHING: Participants receive 1 phone call to discuss the process over 10-15 minutes and then receive 1 email each week for 16 weeks.

NO COACHING: Participants receive 1 phone call the first week over 10-15 minutes to discuss the process.

TEXT MESSAGING: Participants receive 7-12 text messages comprising information about diet and physical activity each week for 16 weeks.

SELF-MONITORING: Participants record their food intake and weight directly into the Fitbit website or application 4-7 days each week or 1 day each week for 16 weeks.

FAMILY TEAM INTERVENTION: Participants (patients and their family members) receive 2 group phone calls and join a Facebook group that is monitored by research staff where they can interact with each other and coaches. The Facebook group includes weekly updates on team progress, weekly family challenges and live online chats with a dietitian and exercise expert.

After completion of study, patients are followed up at 4 and 8 months.

Type d'étude

Interventionnel

Inscription (Estimé)

384

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • Texas
      • Houston, Texas, États-Unis, 77030
        • M D Anderson Cancer Center

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans et plus (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • HEALTH4Families only: Positive for either HBOC or LS predisposing mutations OR a family member of a mutation carrier (family members do not need to be biological relatives).

  • HEALTH4Families only: Index participant ONLY: Must have at least one family member who is eligible and consents to participation.

  • Have at least one of the following risk factors:

    • Body mass index (BMI) of 25 or higher
    • < 5 servings of vegetables and fruits per day
    • < 150 minutes per week of moderate intensity activity
    • 75 minutes per week of vigorous intensity activity
  • Able to read and write English.

  • Have a cellular telephone and are able and willing to send and receive text messages.

  • Access to internet via desktop or mobile device.

  • Capable of participating in moderate-vigorous unsupervised exercise.

  • HEALTH4CPC only: Patient in MD Anderson's Cancer Prevention Center coming in to the clinic for one of the following appointment types: consult and new patient screening appointments

  • HEALTH4CPC only: Female.

  • HEALTH4CPC only: Lives in the Houston area or surrounding counties (within 150 miles of MD Anderson's main campus).

  • HEALTH4CPC only: Has a smartphone.

Exclusion Criteria:

  • Unable to walk without crutches, walker, cane, or other assistive device.
  • Women who are pregnant or nursing (by self-report).
  • Currently receiving radiation therapy or cytotoxic chemotherapy.
  • Within 3 months of major surgery.
  • Does not live in the United States.
  • HEALTH4CPC only: Persons diagnosed with any invasive cancer excluding non-melanoma skin cancer.
  • HEALTH4CPC only: Patient at high risk for cancer.
  • HEALTH4CPC only: Participated in the HEALTH 4 MD Anderson pilot study (protocol 2014-0230).

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: La prévention
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation factorielle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Prevention (weight management, health behavior intervention)

Participants undergo weight management and health behavior intervention with a combination of 4 components for 16 weeks. TELEPHONE COACHING: Participants receive 1 phone call each week from a coach over 30-45 minutes to discuss diet, physical activity and goal setting. EMAIL COACHING: Participants receive 1 phone call to discuss the process over 10-15 minutes and then receive 1 email each week for 16 weeks. NO COACHING: Participants receive 1 phone call the first week over 10-15 minutes to discuss the process. TEXT MESSAGING: Participants receive 7-12 text messages comprising information about diet and physical activity each week for 16 weeks. SELF-MONITORING: Participants record their food intake and weight directly into the Fitbit website or application 4-7 days each week or 1 day each week for 16 weeks. FAMILY TEAM INTERVENTION: Participants receive 2 group phone calls and join a Facebook group that is monitored by research staff where they can interact with each other and coaches.

Ancillary studies

Record food intake

Receive e-mails

Autres noms:
  • Courrier électronique
  • E-mail

Undergo exercise

Receive text messages

Join Facebook page

Receive telephone coaching

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Percent weight loss
Délai: Baseline to 4 months

The data from the proposed factorial experiment will be analyzed through analysis of variance (ANOVA) with repeated measures. The outcome variable is the percent weight loss of each participant at 4 months. The fixed covariates include indicator variables for all intervention components. The model includes a random intercept that introduces within-family correlation. The main effect of each intervention component will be tested in an F-test at alpha = 0.0125 level. The pairwise interactions of the intervention components will be studied in an exploratory fashion. The optimal intervention is defined to be the combination of the four components that produces the best percent weight loss result within the resource constraints. Data can also be analyzed jointly in a linear mixed model that includes intervention components and time as fixed effect, family as random intercept and longitudinal correlation between 4 and 8 month data.

Baseline to 4 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Fruit and vegetable consumption
Délai: Up to 8 months

The data from the proposed factorial experiment will be analyzed through ANOVA with repeated measures. The fixed covariates include indicator variables for all intervention components. The model includes a random intercept that introduces within-family correlation. The main effect of each intervention component will be tested in an F-test at alpha = 0.0125 level. Similar ANOVA analysis will be conducted for the 8 month outcome to study whether the intervention effect persists 4 months after the end of the intervention. The 4- and 8-month data can also be analyzed jointly in a linear mixed model that includes intervention components and time as fixed effect, family as random intercept and longitudinal correlation between 4 and 8 month data.

Up to 8 months
Percent energy from fat
Délai: Up to 8 months

The data from the proposed factorial experiment will be analyzed through ANOVA with repeated measures. The fixed covariates include indicator variables for all intervention components. The model includes a random intercept that introduces within-family correlation. The main effect of each intervention component will be tested in an F-test at alpha = 0.0125 level. Similar ANOVA analysis will be conducted for the 8 month outcome to study whether the intervention effect persists 4 months after the end of the intervention. The 4- and 8-month data can also be analyzed jointly in a linear mixed model that includes intervention components and time as fixed effect, family as random intercept and longitudinal correlation between 4 and 8 month data.

Up to 8 months
Physical activity
Délai: Up to 8 months

The data from the proposed factorial experiment will be analyzed through ANOVA with repeated measures. The fixed covariates include indicator variables for all intervention components. The model includes a random intercept that introduces within-family correlation. The main effect of each intervention component will be tested in an F-test at alpha = 0.0125 level. Similar ANOVA analysis will be conducted for the 8 month outcome to study whether the intervention effect persists 4 months after the end of the intervention. The 4- and 8-month data can also be analyzed jointly in a linear mixed model that includes intervention components and time as fixed effect, family as random intercept and longitudinal correlation between 4 and 8 month data.

Up to 8 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Les enquêteurs

  • Chercheur principal: Karen M Basen-Engquist, M.D. Anderson Cancer Center

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

26 janvier 2017

Achèvement primaire (Estimé)

30 avril 2028

Achèvement de l'étude (Estimé)

30 avril 2028

Dates d'inscription aux études

Première soumission

6 mai 2019

Première soumission répondant aux critères de contrôle qualité

11 octobre 2019

Première publication (Réel)

14 octobre 2019

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

6 octobre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

5 octobre 2026

Dernière vérification

1 octobre 2026

Plus d'information

Termes liés à cette étude

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

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