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The Effects of Strength Training on Muscle Mass and Mental Health in Adults Taking Obesity Medication (STRONG)

21 de junho de 2026 atualizado por: Jiyeon Yoon, University of Pittsburgh

The Effects of Strength Training on Muscle Mass and Mental Health in Adults Taking Obesity Medication: A Pilot Study

The purpose of this study is to examine the effects of resistance exercise, such as weightlifting, on retention of muscle mass and mental health in individuals taking GLP-1 RAs (an obesity medication). Resistance exercise is focused on increasing the strength of participants' muscles, such as how much participant can lift.

•The duration of this study is 3 months. This includes:

  • Orientation session to explain study protocol, exercise program, and complete questionnaire about participants' medical history and lifestyle.
  • Two health assessments at baseline and at 3 months. These assessments include body composition, resting blood pressure, cardiovascular function, and muscular strength. Both the resistance exercise group and the control group will complete assessments at baseline and again at 3 months. After the 3-month period, individuals in the control group may choose to participate in the exercise training and complete the optional 6-month assessments.
  • Personalized resistance exercise sessions for 60 minutes per session, twice per week, for 3 months.

Visão geral do estudo

Descrição detalhada

• After the baseline assessment, if participants meet all eligibility criteria such as BMI, blood pressure, physical activity levels, and medication conditions, investigators will randomly assign participants to control group or resistance exercise group:

  1. Control group: No resistance training during the first 3 months. After the 3-month period, participants may choose to participate in the optional exercise program, which includes 60 min/session, all for 2 sessions/week for 3 months. Participants may follow their provider's guidance for exercise except not to perform any strength or resistance training.
  2. Resistance exercise group: 60 min/session, all for 2 sessions/week for 3 months.

    • Resistance exercise group (60 min/session): Each session will be 60 minutes of resistance, performing 3 sets of 8-20 repetitions (50-80% 1RM) of 11 exercises (chest press, lat pulldown, abdominal crunch, leg press, shoulder press, weighted row, leg extension, leg curl, chest fly, biceps curl, and triceps extension) using weight training machines.

Investigator will also ask participants to maintain their usual (pre-study) lifestyle physical activity outside of exercise sessions and to monitor participants' daily activity throughout the study period using pedometers and a lifestyle activity log.

Tipo de estudo

Intervencional

Inscrição (Estimado)

40

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Contato de estudo

  • Nome: Jiyeon Yoon, M.S.
  • Número de telefone: 512-817-4601
  • E-mail: jiy239@pitt.edu

Locais de estudo

    • Pennsylvania
      • Pittsburgh, Pennsylvania, Estados Unidos, 15219
        • Recrutamento
        • Physical Activity Research Center, University of Pittsburgh
        • Contato:
          • Jiyeon Yoon, M.S.
          • Número de telefone: 515-817-4601
          • E-mail: jiy239@pitt.edu

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

  • Adulto
  • Adulto mais velho

Aceita Voluntários Saudáveis

Não

Descrição

Inclusion Criteria:

  • Initiating GLP-1 RAs prescribed by physician or advanced practice practitioner and willing to withhold the start of the drug until baseline assessment completed
  • Non-Smoker
  • ≥18 years old
  • Obese: Body Mass Index 30-45 kg/m² or BMI ≥27 + ≥1 weight related comorbidity; either hypertension or sleep apnea confirmed by participant self-report
  • Inactive: not meeting the current US exercise guidelines over the past 6 months
  • Capable of performing the required exercise training

Exclusion Criteria:

  • A serious heart condition, such as unstable heart disease or heart failure, irregular heartbeats that are not well controlled, severe narrowing of the heart valves, or any recent inflammation of the heart or its lining
  • Cancer requiring treatment in the past 5 years
  • Hypothyroidism/hyperthyroidism
  • Personal or family history of Medullary Thyroid Carcinoma (MTC) or Multiple Endocrine Neoplasia Syndrome type 2 (MEN2)
  • Gastroparesis
  • Chronic/idiopathic acute pancreatitis
  • Hepatic disease or cirrhosis
  • Struggle with alcohol or other substance abuse (heavy drinking (≥4 drinks/day or ≥8 drinks/week for women; ≥5 drinks/day or ≥15 drinks/week for men), or who score ≥3 on the Drug Abuse Screening Test (DAST-10))
  • Diabetes (Type 1 or 2)
  • Major risk factors for coronary heart disease such as uncontrolled high blood pressure (≥160 mm Hg systolic or ≥100 mm Hg diastolic)
  • Problems with your muscles or bones that limit your ability to exercise
  • Any other medical condition that is life-threatening, can interfere with or be aggravated by the exercise training
  • Plans to be away ≥2 weeks in the next 3 months
  • Participation in any other concurrent interventional clinical trial
  • History of eating disorders or weight-loss surgery, unstable weight (±5% change in past 6 months), or use of obesity medication (e.g., such as Wegovy, Ozempic, Saxenda, Zepbound, Mounjaro) in the last 3 months
  • Inability to give informed consent
  • History of major depression or other severe psychiatric disorders (e.g., who answer "yes" to question 9 on PHQ-9 in the Psych_QoL_Sleep questionnaires.)
  • Pregnant or plan to become pregnant during study

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Resistance Exercise (RE)
Participants will perform 60 min of resistance exercise 2 sessions per week for 12 weeks while continuing GLP-1 RAs therapy as prescribed by regular treating provider
60 min/session, all for 2 sessions/week for 12 weeks
Participants will take GLP-1 RAs for 12 weeks
Comparador Ativo: Standard Care
Participants will take GLP-1 RAs for 12 weeks as prescribed by regular treating provider
Participants will take GLP-1 RAs for 12 weeks

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in Body Composition
Prazo: From Baseline to Week 12
Dual-energy X-ray absorptiometry (DEXA) will be used to assess fat mass and lean mass. Body fat will be expressed as a percentage of total body composition, and lean mass will be expressed as a percentage of total body composition. Change in each variable will be calculated as the Week 12 value minus the baseline value. Positive values indicate an increase in body fat or lean mass, and negative values indicate a decrease.
From Baseline to Week 12
Change in Quality of Life
Prazo: From Baseline to Week 12
Quality of life will be assessed using the 36-Item Short Form Health Survey (SF-36). Scores range from 0 to 100, with higher scores indicating better quality of life. Change will be calculated as Week 12 minus baseline.
From Baseline to Week 12

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Muscle Strength
Prazo: From Baseline to Week 12
Grip strength will be measured three times in each hand using a Jamar dynamometer, and one-repetition maximum (1RM) will be measured using leg press and chest press machines.
From Baseline to Week 12
Energy Intake
Prazo: From Baseline to Week 12
Energy intake will be assessed using the Automated Self-Administered 24-hour (ASA24) dietary assessment tool.
From Baseline to Week 12
Physical Activity and Sleep
Prazo: From Baseline to Week 12
Participants will be asked to wear a GENEActiv tri-axial wrist-worn accelerometer for a 7-day period to quantify physical activity and sedentary behavior. Participants will be instructed to wear the device continuously for 24 hours per day throughout the 7-day measurement period.
From Baseline to Week 12

Outras medidas de resultado

Medida de resultado
Descrição da medida
Prazo
Cardiovascular Fitness
Prazo: From Baseline to Week 12
Cardiovascular fitness will be assessed using a submaximal treadmill test with the Balke-Ware protocol.
From Baseline to Week 12

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Investigadores

  • Investigador principal: Jiyeon Yoon, M.S., University of Pittsburgh

Publicações e links úteis

A pessoa responsável por inserir informações sobre o estudo fornece voluntariamente essas publicações. Estes podem ser sobre qualquer coisa relacionada ao estudo.

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

25 de maio de 2026

Conclusão Primária (Estimado)

30 de abril de 2027

Conclusão do estudo (Estimado)

31 de maio de 2027

Datas de inscrição no estudo

Enviado pela primeira vez

11 de janeiro de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

10 de junho de 2026

Primeira postagem (Real)

17 de junho de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

24 de junho de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

21 de junho de 2026

Última verificação

1 de junho de 2026

Mais Informações

Termos relacionados a este estudo

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

SIM

Descrição do plano IPD

Datasets will be available to outside researchers and public health professionals through the web sites of ClinicalTrials.gov and The Physical Activity Research Center (PARC) at the University of Pittsburgh. Outside researchers can learn what data are available and request a de-identified dataset (stripped of all personal health identifiers). All data requests will be discussed with the research team and approval will be obtained from the institutional review board overseeing the proposal of the data analysis project. Findings from the proposed study will also be published in peer-reviewed journals. The investigators seek to maximize the knowledge generated from this study by sharing data to expedite the translation of research into practice, with the goal of preserving lean body mass and improving quality of life.

Tipo de informação de suporte de compartilhamento de IPD

  • CIF

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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