The Effect of Providing Genetic Risk Information on Lifestyle Behaviors in African Americans (LINKING GAINS)
Cardiovascular disease (CVD) is a major and persistent health disparity for African Americans. Linking GAINS is a randomized pilot and feasibility study designed to evaluate whether receiving genetic risk information early in a community-based CVD risk reduction intervention improves engagement and health behavior change. Sixty African American adults from the Baton Rouge metropolitan area will be recruited and randomized to a Genetically Unblinded (GU) group or a Genetically Blinded (GB) group. All participants will complete a 14-session behavioral intervention delivered over approximately 16 weeks, including culturally responsive education, nutrition and cooking sessions, physical activity training, group support, and community-based health resources. The GU group will receive genetic results and genetic counseling early in the intervention, while the GB group will receive genetic results and counseling after the behavioral intervention and end-of-study assessment. The primary endpoint is intervention engagement measured by attendance. Secondary outcomes include physical activity, dietary intake, body mass index, blood pressure, genomic orientation/knowledge, and perceived racism. Exploratory/moderator analyses will examine whether social determinants of health, including income, food insecurity, health literacy, occupational prestige, and experiences of racism, influence intervention engagement and behavior change.
Visão geral do estudo
Status
Status
Condições
Condições
- Insuficiência cardíaca
- Hipertensão
- Diabetes
- Genética
- Hipercolesterolemia
- Arritmias Cardíacas
- Farmacogenômica
- Genética do Câncer
- Obesidade e Sobrepeso
- Genética Hipertensão
- DAC - Doença Arterial Coronária
- Risco de AVC
- Testes Farmacogenómicos para Gestão de Medicamentos
- Obesidade Diabetes Mellitus tipo 2
Intervenção / Tratamento
Intervenção / Tratamento
Tipo de estudo
Tipo de estudo
Inscrição (Real)
Inscrição
Estágio
Estágio
- Fase inicial 1
Contactos e Locais
Locais de estudo
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Louisiana
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Baton Rouge, Louisiana, Estados Unidos, 70808
- Pennington Biomedical Research Center
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Critérios de participação
Critérios de elegibilidade
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Age 18 years or older.
- Self-identification as African American.
- Willing to complete genetic testing using a saliva DNA collection kit.
- Willing to participate in a CVD risk reduction behavioral intervention lasting approximately 16 weeks.
- Able and willing to provide informed consent.
Exclusion Criteria:
- Cannot safely engage in physical activity.
- Has current knowledge of genetic contributions to CVD that would compromise the study comparison.
- Pregnant at the time of eligibility assessment, because the study observes body weight and physiologic outcomes without pregnancy as a confounder.
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Pesquisa de serviços de saúde
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Solteiro
Número de braços
Armas e Intervenções
Grupo de Participantes / BraçoGrupo de Participantes / Braço |
Intervenção / TratamentoIntervenção / Tratamento |
|---|---|
|
Comparador Ativo: Genetically Unblinded
Genetically unblinded participants received their genetic test results from Color Genomics: Cancer, CVD, and Pharmacogenomics panels before starting the health behavior intervention. In addition, they received a 1:1 genetic counseling session prior to the health behavior intervention completion. |
Participants gave a saliva sample to Color Genomics for an Ancestry, Hereditary Cancer, CVD, and Pharmacogenomics testing panel. Participants were able to get visuals of their results using their website and also discuss findings via zoom or phone call. |
|
Experimental: Genetically Blinded
Genetically blinded participants received their genetic test results from Color Genomics: Cancer, CVD, and Pharmacogenomics panels. In addition, they received a 1:1 genetic counseling session after the health behavior intervention was completed. |
Participants gave a saliva sample to Color Genomics for an Ancestry, Hereditary Cancer, CVD, and Pharmacogenomics testing panel. Participants were able to get visuals of their results using their website and also discuss findings via zoom or phone call. |
O que o estudo está medindo?
Medidas de resultados primários
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Total number of participants that completed health behavior interventions.
Prazo: 14-weeks
|
Measured by total health behavior sessions attended between groups. |
14-weeks
|
Colaboradores e Investigadores
Patrocinador
Patrocinador
Colaboradores
Colaboradores
Investigadores
Investigadores
- Investigador principal: Jennifer L. Caldwell, PhD, MPH, MS, Pennington Biomedical Research Center
Publicações e links úteis
Publicações Gerais
- Wyatt SB, Williams DR, Calvin R, Henderson FC, Walker ER, Winters K. Racism and cardiovascular disease in African Americans. Am J Med Sci. 2003 Jun;325(6):315-31. doi: 10.1097/00000441-200306000-00003.
- Carnethon MR, Pu J, Howard G, Albert MA, Anderson CAM, Bertoni AG, Mujahid MS, Palaniappan L, Taylor HA Jr, Willis M, Yancy CW; American Heart Association Council on Epidemiology and Prevention; Council on Cardiovascular Disease in the Young; Council on Cardiovascular and Stroke Nursing; Council on Clinical Cardiology; Council on Functional Genomics and Translational Biology; and Stroke Council. Cardiovascular Health in African Americans: A Scientific Statement From the American Heart Association. Circulation. 2017 Nov 21;136(21):e393-e423. doi: 10.1161/CIR.0000000000000534. Epub 2017 Oct 23.
- Marteau TM, Lerman C. Genetic risk and behavioural change. BMJ. 2001 Apr 28;322(7293):1056-9. doi: 10.1136/bmj.322.7293.1056. No abstract available.
- Horne J, Madill J, Gilliland J. Incorporating the 'Theory of Planned Behavior' into personalized healthcare behavior change research: a call to action. Per Med. 2017 Nov;14(6):521-529. doi: 10.2217/pme-2017-0038. Epub 2017 Nov 24.
- Horrow C, Pacyna JE, Lee MK, Sharp RR. Measuring Attitudes About Genomic Medicine: Validation of the Genomic Orientation Scale (GO Scale). Value Health. 2021 Jul;24(7):1030-1037. doi: 10.1016/j.jval.2021.02.001. Epub 2021 Apr 2.
- McNeilly MD, Anderson NB, Armstead CA, Clark R, Corbett M, Robinson EL, Pieper CF, Lepisto EM. The perceived racism scale: a multidimensional assessment of the experience of white racism among African Americans. Ethn Dis. 1996 Winter-Spring;6(1-2):154-66.
- Caldwell J, Jackson FLC. Evolutionary perspectives on African North American genetic diversity: Origins and prospects for future investigations. Evol Anthropol. 2021 Jul;30(4):242-252. doi: 10.1002/evan.21910. Epub 2021 Aug 13.
- Sheppard VB, Sutton AL, Hurtado-De-Mendoza A, Tariq F, Perera RA, Quillin J, Jeudy M, Gomez-Trillos S, Schwartz MD. Addressing disparities in the uptake of genetic counseling and testing in African American women; rationale, design and methods. Contemp Clin Trials. 2023 Jul;130:107210. doi: 10.1016/j.cct.2023.107210. Epub 2023 May 2.
- Lima SM, Nazareth M, Schmitt KM, Reyes A, Fleck E, Schwartz GK, Terry MB, Hillyer GC. Interest in genetic testing and risk-reducing behavioral changes: results from a community health assessment in New York City. J Community Genet. 2022 Dec;13(6):605-617. doi: 10.1007/s12687-022-00610-2. Epub 2022 Oct 13.
- Chirinos DA, Vargas E, Kamsickas L, Carnethon M. The role of behavioral science in addressing cardiovascular health disparities: A narrative review of efforts, challenges, and future directions. Health Psychol. 2022 Oct;41(10):740-754. doi: 10.1037/hea0001191. Epub 2022 Jul 18.
- Keaton JM, Cooke Bailey JN, Palmer ND, Freedman BI, Langefeld CD, Ng MC, Bowden DW. A comparison of type 2 diabetes risk allele load between African Americans and European Americans. Hum Genet. 2014 Dec;133(12):1487-95. doi: 10.1007/s00439-014-1486-5. Epub 2014 Oct 2.
- Thornton RL, Glover CM, Cene CW, Glik DC, Henderson JA, Williams DR. Evaluating Strategies For Reducing Health Disparities By Addressing The Social Determinants Of Health. Health Aff (Millwood). 2016 Aug 1;35(8):1416-23. doi: 10.1377/hlthaff.2015.1357.
- Turner-McGrievy GM, Wilcox S, Frongillo EA, Murphy EA, Hutto B, Wilson M, Davey M, Bernhart JA, Okpara N, Bailey S, Hu E. Effect of a Plant-Based vs Omnivorous Soul Food Diet on Weight and Lipid Levels Among African American Adults: A Randomized Clinical Trial. JAMA Netw Open. 2023 Jan 3;6(1):e2250626. doi: 10.1001/jamanetworkopen.2022.50626.
- Newton RL Jr, Carter LA, Johnson W, Zhang D, Larrivee S, Kennedy BM, Harris M, Hsia DS. A Church-Based Weight Loss Intervention in African American Adults using Text Messages (LEAN Study): Cluster Randomized Controlled Trial. J Med Internet Res. 2018 Aug 24;20(8):e256. doi: 10.2196/jmir.9816.
- Albert MA, Carnethon MR, Watson KE. Disparities in Cardiovascular Medicine. Circulation. 2021 Jun 15;143(24):2319-2320. doi: 10.1161/CIRCULATIONAHA.121.055565. Epub 2021 Jun 14. No abstract available.
- Zilbermint M, Hannah-Shmouni F, Stratakis CA. Genetics of Hypertension in African Americans and Others of African Descent. Int J Mol Sci. 2019 Mar 2;20(5):1081. doi: 10.3390/ijms20051081.
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Início do estudo
Conclusão Primária (Real)
Conclusão Primária
Conclusão do estudo (Real)
Conclusão do estudo
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Primeira postagem
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última Atualização Postada
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
- Doenças do Sistema Endócrino
- Doenças Vasculares
- Doenças cardiovasculares
- Distúrbios Nutricionais
- Doenças cardíacas
- Doenças Metabólicas
- Supernutrição
- Peso corporal
- Distúrbios do Metabolismo da Glicose
- Hiperlipidemias
- Dislipidemias
- Distúrbios do metabolismo lipídico
- Arteriosclerose
- Doenças Arteriais Oclusivas
- Doença cardíaca
- Isquemia do miocárdio
- Condições Patológicas, Sinais e Sintomas
- Doenças Nutricionais e Metabólicas
- Sinais e sintomas
- Insuficiência cardíaca
- Excesso de peso
- Obesidade
- Hipertensão
- Diabetes Mellitus
- Hipercolesterolemia
- Doença arterial coronária
Outros números de identificação do estudo
Outros números de identificação do estudo
- PBRC 2024-043
- P50MD017338 (Concessão/Contrato do NIH dos EUA)
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
Descrição do plano IPD
De-identified individual participant data (IPD) underlying the primary and secondary analyses reported in publications arising from the Linking GAINS study will be made available. Shared data may include participant demographic characteristics, intervention assignment, attendance and retention measures, genomic knowledge assessments, behavioral outcomes, clinical measures (e.g., blood pressure, body mass index), and de-identified genomic result classifications (e.g., positive/negative clinical findings). Personally identifiable information, dates, direct identifiers, genetic sequence data, and other information that could reasonably identify participants will not be shared.
Prazo de Compartilhamento de IPD
De-identified individual participant data and supporting documentation will become available following publication of the primary study results or within 12 months after study completion, whichever occurs first. Data will remain available for at least five years following publication.
Critérios de acesso de compartilhamento IPD
Access to de-identified data will be available to qualified researchers whose proposed use is consistent with the informed consent provided by study participants and applicable institutional policies. Investigators must submit a research proposal, statistical analysis plan, and data use agreement for review and approval by the Pennington Biomedical Research Center study team. Only de-identified data necessary to address the approved research question will be shared. Data will be provided through a secure institutional data-sharing process in accordance with institutional and NIH data-sharing policies.
Tipo de informação de suporte de compartilhamento de IPD
- PROTOCOLO DE ESTUDO
- SEIVA
- CIF
- ANALYTIC_CODE
Informações sobre medicamentos e dispositivos, documentos de estudo
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