- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT02740686
Changes in Inflammatory Markers During Pulmonary Rehabilitation Based on Exacerbation States in COPD (CIMPRES-COPD)
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Detailní popis
Typ studie
Zápis (Aktuální)
Kontakty a umístění
Studijní místa
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Lincoln, Spojené království, LN2 2EF
- Sudbrooke Drive Community Centre
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Lincoln, Spojené království, LN5 8QS
- Bracebridge Community Centre
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Lincolnshire
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Lincoln, Lincolnshire, Spojené království, LN2 2JP
- Lindum Medical Practice
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Lincoln, Lincolnshire, Spojené království, LN2 2RS
- Nettleham Medical Practice
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Lincoln, Lincolnshire, Spojené království, LN6 0QQ
- Birchwood Medical Practice
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Lincoln, Lincolnshire, Spojené království, LN2 3JH
- Welton Surgery
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Metoda odběru vzorků
Studijní populace
116 COPD patients, confirmed by diagnosis, will be recruited (58 frequent and 58 infrequent exacerbators in accordance with criteria listed above) to the study who have been referred to, and are about to enrol, on pulmonary rehabilitation.
20 healthy smokers and 20 healthy never smokers will be recruited for baseline measurements to compare with COPD patients.
Popis
Inclusion Criteria:
- 58 frequent exacerbators and 58 infrequent exacerbators (116 in total) who have been diagnosed with any severity of COPD (according to BTS criteria, i.e. >10 pack year smoking history and post bronchodilator spirometry FEV1/FVC ratio <0.70 and FEV<80%).
Exclusion Criteria:
- Inability or unwillingness to sign informed consent
- Any unstable ongoing cardiovascular events which may be exacerbated by exercise
- Inability to complete walk tests due to physical or mental impairment
- Other active inflammatory conditions e.g. rheumatoid arthritis, cancer.
- Known asthma, allergic rhinitis or other respiratory disease (bronchiectasis, pulmonary fibrosis)
Healthy control group - Patients who have not been diagnosed with COPD or any other respiratory condition and are characteristically (age (between 45-85 years old) & smoking status) matched to recruited COPD patients.
Studijní plán
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
Intervence / Léčba |
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Frequent exacerbators
Exacerbations will be defined as "a respiratory event which led to a hospitalisation or the prescription of antibiotics and/or oral corticosteroids".
Clinicians will ask patients to retrospectively recall how many exacerbations they have had in the past 12 months.
Patients will be allocated to the frequent exacerbators group based on whether they have had 2 or more hospitalisations for exacerbations or have taken 2 or more courses on steroids/antibiotics within the past 12 months.
Blood sample collection at the following pulmonary rehabilitation sessions: 1st (pre-exercise), 2nd (pre and post-exercise), 8th (pre-exercise), last session (pre and post exercise).
Sputum samples collected pre-exercise at the following pulmonary rehabilitation sessions: 1st, 8th, and last session.
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Frequent exacerbators and infrequent exacerbators will have blood and sputum samples obtained around pulmonary rehabilitation.
No other intervention will be administered.
Healthy controls will have resting blood samples taken.
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Infrequent exacerbators
Exacerbations will be defined as "a respiratory event which led to a hospitalisation or the prescription of antibiotics and/or oral corticosteroids".
Clinicians will ask patients to retrospectively recall how many exacerbations they have had in the past 12 months.
Patients will be allocated to the infrequent exacerbators group based on whether they have had no more than 1 hospitalisation for exacerbations or have not taken more than 1 course of steroids/antibiotics within the past 12 months.
Blood sample collection at the following pulmonary rehabilitation sessions: 1st (pre-exercise), 2nd (pre and post-exercise), 8th (pre-exercise), last session (pre and post exercise).
Sputum samples collected pre-exercise at the following pulmonary rehabilitation sessions: 1st, 8th, and last session.
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Frequent exacerbators and infrequent exacerbators will have blood and sputum samples obtained around pulmonary rehabilitation.
No other intervention will be administered.
Healthy controls will have resting blood samples taken.
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Healthy smokers
Recruited in accordance with inclusion/exclusion criteria with no medical history of COPD diagnosis and currently smoke.This group will be recruited by a nurse using medical records to assess smoking status and age-matching to the COPD groups.
A resting blood sample will be taken from these patients and used to compare baseline measurements with the COPD groups.
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Frequent exacerbators and infrequent exacerbators will have blood and sputum samples obtained around pulmonary rehabilitation.
No other intervention will be administered.
Healthy controls will have resting blood samples taken.
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Healthy never smokers
Recruited in accordance with inclusion/exclusion criteria with no medical history of COPD diagnosis and have never smoked.This group will be recruited by a nurse using medical records to assess smoking status and age-matching to the COPD groups.
Resting blood samples will be taken from these patients and used to compare baseline measurements with the COPD groups.
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Frequent exacerbators and infrequent exacerbators will have blood and sputum samples obtained around pulmonary rehabilitation.
No other intervention will be administered.
Healthy controls will have resting blood samples taken.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Časové okno |
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Concentration of inflammatory markers in plasma and sputum (C-reactive protein, Fibrinogen, Interleukin(IL)-6, IL-8
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Sekundární výstupní opatření
Měření výsledku |
Časové okno |
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Changes in the expression of anti-inflammatory genes
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Total and differential blood leukocyte count
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Pre-activation and activation of blood neutrophils using flow cytometry
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Pro-coagulant and pro-inflammatory microparticle signatures in plasma
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Severe, moderate and mild exacerbations (number of /days to defined events, severity, recovery)
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Respiratory Symptoms™ (RS-Total score; RS-Breathlessness; RS-Cough and Sputum, and RS-Chest Symptoms)
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Routine clinical outcome measures following pulmonary rehabilitation (completion rates and clinically important differences - ISWT, ESWT, 6MWD, CRQ)
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Differences in basal levels of inflammation between frequent and infrequent exacerbators in comparison to healthy controls
Časové okno: July 2016 - August 2018
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July 2016 - August 2018
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Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Vyšetřovatelé
- Vrchní vyšetřovatel: Alex R Jenkins, MPhil, PhD student
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- 16/LO/0865
Plán pro data jednotlivých účastníků (IPD)
Plánujete sdílet data jednotlivých účastníků (IPD)?
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