- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT02441205
Interval Training, Inflammation and Immune Function
The Impact of High Intensity Interval Training on Inflammatory State and Immune Function in Elderly Individuals
PURPOSE: The purpose of this study is to investigate whether High Intensity Interval Training (HIIT)can improve the health and wellbeing of pre-diabetic elderly adults. In particular, there is specific interest in describing the effects of an interval exercise program on inflammatory state and immune function.
DESIGN: Subjects will be sedentary, 65 to 80 years old adults, with prediabetes as defined by fasting plasma glucose (100 to 125 mg/dl). Before and after a 10-12 week High Intensity Interval Exercise training program subjects will undergo several tests including: 1) a maximal treadmill test, 2) an Oral Glucose Tolerance Test, 3) muscle biopsy, 4) body composition, 5) several physical function tests and 6) other health related measures including lung function, arterial stiffness and several blood measures (e.g. liver enzymes, kidney function).
DATA ANALYSES & SAFETY ISSUES: As there are no comparison groups, data analyses will consist of performing paired t-tests on pre and post exercise training values for each of the measurement variables of interest. In addition, the data will be used to provide power calculations for future grant proposals. High Intensity Interval Training is a very safe exercise modality. The regular use of vigorous intensity exercise intervals have been used extensively in exercise training. In fact, the exercise intervals will start at levels lower and will be of shorter duration than were used during the maximal exercise test. They will then be carefully and slowly made to be more challenging as each subject is able to safely tolerate.
HYPOTHESIS: The investigators hypothesize that HIIT will result in significant improvements in markers of inflammation, immune system markers and other health-related risk factors.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Tipo di studio
Iscrizione (Anticipato)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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North Carolina
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Durham, North Carolina, Stati Uniti, 27705
- Duke Center For Living
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Age 65-80 years
- Prediabetic - Fasting plasma glucose is 100 - 125 on two separate days
- Able to walk for 2 minutes or more without stopping
- LDL Cholesterol ≤ 190; Triglycerides < 600;
- Blood Pressure ≤ 160/90
- Inactive: Exercise < 2 days per week
- Medications: Stable use of all medications ≥ three months
Exclusion Criteria:
- Smoker: tobacco use within the last 12 months
- Dieting or intending to diet; not weight stable ≥ six months (weight change < 5 pounds)
- Use of confounding inflammatory medications: aspirin, ibuprofen, naproxen (NSAIDS - nonsteriodal anti-inflammatory drugs)
- History of diabetes, heart disease or taking medications for those conditions
- History of hypertension (high blood pressure) not controlled with medication
- Unwillingness to undergo muscle biopsies and all other study testing, or to continuously participate in exercise training for 12 weeks.
- Inability to give blood continuously through a catheter (please notify the study nurse of any difficulties you have had in the past when having your blood drawn; the study nurse will determine whether you are excluded for this reason)
- Unwillingness to conduct ALL exercise sessions at the fitness facility during research study staff supervised times.
- Orthopedic limitations, musculoskeletal disease and/or injury Due to the nature of the study, persons with known joint, muscle or other orthopedic limitations that restrict physical activity may be excluded.
- Able to decide if you want to take part in the study
- Lack of transportation to the exercise and testing facilities
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Separare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
---|---|
Sperimentale: HIIT Aging
all subjects will undergo high intensity interval training 3 x per week for 10-12 weeks.
the intervals of high-intensity (~85% of maximal capacity) will be 5 to 10 bouts of 30 seconds at this intensity with rest periods in between intervals that range from 30 seconds to 2 minutes
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all subjects will undergo high intensity interval training 3 x per week for 10-12 weeks.
the intervals of high-intensity (~85% of maximal capacity) will be 5 to 10 bouts of 30 seconds at this intensity with rest periods in between intervals that range from 30 seconds to 2 minutes
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Lasso di tempo |
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Change in inflammatory markers in plasma
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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baseline and following exercise training, approximately 10-12 weeks
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Change in inflammatory markers in muscle
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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baseline and following exercise training, approximately 10-12 weeks
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Change in immune markers in peripheral blood
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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baseline and following exercise training, approximately 10-12 weeks
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Change in immune markers in muscle
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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baseline and following exercise training, approximately 10-12 weeks
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Change in Metabolic Syndrome risk factors composite score
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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Classic and additional Metabolic Syndrome measures include: blood pressure, waist circumference, triglycerides, HDL, fasting glucose; plus liver and kidney function, insulin sensitivity, glucose tolerance, etc...
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baseline and following exercise training, approximately 10-12 weeks
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Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Change in Physical Function outcome measures composite score
Lasso di tempo: baseline and following exercise training, approximately 10-12 weeks
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Peak VO2, 400 meter walk time, short physical performance battery (SPPB)
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baseline and following exercise training, approximately 10-12 weeks
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Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: William Kraus, MD, Duke University
Pubblicazioni e link utili
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Altri numeri di identificazione dello studio
- Pro00055208
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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