- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT02141633
Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment (smoker3)
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
With this protocol the Investigators will test the hypotheses that a) there is a correlation between airway and pulmonary vascular endothelial function within the current smoker and non-smoker groups, and b) ICS treatment improves airway and pulmonary vascular endothelial function in the current smoker group.
Fifteen healthy current smokers with a >10 pack-year history of smoking and 15 healthy never-smokers will be enrolled. Males and females between 25 and 75 years of age will be recruited There will be 1-4 visits to the laboratory (one for non-smokers, 4 for smokers). All subjects will have the first visit. Current smokers will have 3 additional visits. Current smokers will be asked not to smoke before coming to the laboratory on the 3 study days. All subjects will be instructed to abstain from ingesting alcoholic beverages, coffee or caffeinated drinks for at least 12 hours the night before each study day. The subjects will also be instructed not to use PDE5 inhibitors for 24 hours before coming to the laboratory. On each study day, the protocol will start at the same time (in the morning).
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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Florida
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Miami, Florida, Stati Uniti, 33136
- University of Miami School Of Medicine
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Fifteen healthy current smokers with a >10 pack-year history of smoking and 15 healthy never-smokers will be enrolled. Males and females between 25 and 75 years of age will be recruited.
Exclusion Criteria:
- Women of childbearing potential who do not use accepted birth control measures; pregnant and breast feeding women
- Cardiovascular disease and/or use of cardiovascular medications
- Subjects with known beta-adrenergic agonist intolerance
- A physician diagnosis of chronic airway disease (asthma, COPD, bronchiectasis, cystic fibrosis)
- Acute respiratory infection within four weeks prior to the study
- Use of any airway medication
- Abnormal pulmonary function
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Doppio
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Sperimentale: smokers
participants with smoking history ( > 10 pack/year) will be enrolled and perform airway blood flow and echocardiogram before and 15 minutes after albuterol inhalation
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participants will performed echocardiogram before and 15 minutes after inhaled albuterol
participants will performed echocardiogram before and 15 minutes after inhaled albuterol
Altri nomi:
participant will be received a 4-week course of inhaled fluticasone (220 μg fluticasone twice a day administered as a MDI using a spacer)
participant will be received a 4-week course of identically appearing placebo (2 puffs twice a day via spacer).
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Sperimentale: non-smokers
healthy life-time non smokers will be enrolled and perform airway blood flow and echocardiogram before and 15 minutes after albuterol inhalation
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participants will performed echocardiogram before and 15 minutes after inhaled albuterol
participants will performed echocardiogram before and 15 minutes after inhaled albuterol
Altri nomi:
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Airway Blood Flow
Lasso di tempo: before and 15 minutes after albuterol inhalation
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compare inhaled albuterol-induced changes in airway blood flow (ΔQaw) in healthy current smokers and lifetime non-smokers as an index of endothelial function in the airway circulation and to compare the results between smokers and non-smokers
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before and 15 minutes after albuterol inhalation
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Echocardiogram
Lasso di tempo: MPAP before and 15 minutes after albuterol inhalation in smokers vs non-smokers
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to compare inhaled albuterol-induced changes in echocardiogram measuring mean pulmonary artery pressure (MPAP)in healthy current smokers and lifetime non-smokers as an index of endothelial function in the pulmonary circulation and to compare the results between smokers and non-smokers
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MPAP before and 15 minutes after albuterol inhalation in smokers vs non-smokers
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Collaboratori e investigatori
Sponsor
Studiare le date dei record
Studia le date principali
Inizio studio
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 (Stima)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Effetti fisiologici delle droghe
- Agenti adrenergici
- Agenti neurotrasmettitori
- Meccanismi molecolari dell'azione farmacologica
- Agenti autonomi
- Agenti del sistema nervoso periferico
- Agenti antinfiammatori
- Agonisti adrenergici
- Agenti dermatologici
- Agenti broncodilatatori
- Agenti antiasmatici
- Agenti del sistema respiratorio
- Agenti di controllo riproduttivo
- Agenti antiallergici
- Agonisti del recettore adrenergico beta-2
- Beta-agonisti adrenergici
- Agenti tocolitici
- Fluticasone
- Xhance
- Albuterolo
Altri numeri di identificazione dello studio
- 20120896
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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