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

10 giugno 2026 aggiornato da: 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.

Panoramica dello studio

Descrizione dettagliata

• 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 di studio

Interventistico

Iscrizione (Stimato)

40

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.

Contatto studio

  • Nome: Jiyeon Yoon, M.S.
  • Numero di telefono: 512-817-4601
  • Email: jiy239@pitt.edu

Luoghi di studio

    • Pennsylvania
      • Pittsburgh, Pennsylvania, Stati Uniti, 15219
        • Reclutamento
        • Physical Activity Research Center, University of Pittsburgh
        • Contatto:

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

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

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

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: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: 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
Comparatore attivo: 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

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Body Composition
Lasso di tempo: 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
Lasso di tempo: 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

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Muscle Strength
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Cardiovascular Fitness
Lasso di tempo: 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

Collaboratori e investigatori

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

Investigatori

  • Investigatore principale: Jiyeon Yoon, M.S., University of Pittsburgh

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

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)

25 maggio 2026

Completamento primario (Stimato)

30 aprile 2027

Completamento dello studio (Stimato)

31 maggio 2027

Date di iscrizione allo studio

Primo inviato

11 gennaio 2026

Primo inviato che soddisfa i criteri di controllo qualità

10 giugno 2026

Primo Inserito (Effettivo)

17 giugno 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

17 giugno 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

10 giugno 2026

Ultimo verificato

1 giugno 2026

Maggiori informazioni

Termini relativi a questo studio

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

Descrizione del piano 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 di informazioni di supporto alla condivisione IPD

  • ICF

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

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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