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- Klinische proef NCT01072396
Effects of Tiotropium on Breathing Capacity and Exercise Limitation in Early Stages of Chronic Obstructive Pulmonary Disease
A Randomized, Double-blind, Placebo-controlled, 6-week, Crossover Study to Examine the Effects of Tiotropium (Spiriva® HandiHaler®, 18 µg Once Daily) on Dynamic Hyperinflation and Physical Exercise Capacity in Patients With Early Stage Chronic Obstructive Pulmonary Disease (COPD)
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Studietype
Inschrijving (Werkelijk)
Fase
- Fase 4
Contacten en locaties
Studie Locaties
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Ontario
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Kingston, Ontario, Canada
- 205.440.2003 Boehringer Ingelheim Investigational Site
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Quebec
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Montreal, Quebec, Canada
- 205.440.2001 Boehringer Ingelheim Investigational Site
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Montreal, Quebec, Canada
- 205.440.2004 Boehringer Ingelheim Investigational Site
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Ste-Foy, Quebec, Canada
- 205.440.2002 Boehringer Ingelheim Investigational Site
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Alabama
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Birmingham, Alabama, Verenigde Staten
- 205.440.1006 Boehringer Ingelheim Investigational Site
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Jasper, Alabama, Verenigde Staten
- 205.440.1015 Boehringer Ingelheim Investigational Site
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California
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Torrance, California, Verenigde Staten
- 205.440.1002 Boehringer Ingelheim Investigational Site
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Connecticut
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Hartford, Connecticut, Verenigde Staten
- 205.440.1018 Boehringer Ingelheim Investigational Site
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Illinois
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Springfield, Illinois, Verenigde Staten
- 205.440.1008 Boehringer Ingelheim Investigational Site
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Indiana
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Muncie, Indiana, Verenigde Staten
- 205.440.1017 Boehringer Ingelheim Investigational Site
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Michigan
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Livonia, Michigan, Verenigde Staten
- 205.440.1020 Boehringer Ingelheim Investigational Site
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New Hampshire
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Lebanon, New Hampshire, Verenigde Staten
- 205.440.1011 Boehringer Ingelheim Investigational Site
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North Carolina
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Charlotte, North Carolina, Verenigde Staten
- 205.440.1019 Boehringer Ingelheim Investigational Site
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Pennsylvania
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Pittsburgh, Pennsylvania, Verenigde Staten
- 205.440.1013 Boehringer Ingelheim Investigational Site
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South Carolina
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Spartanburg, South Carolina, Verenigde Staten
- 205.440.1007 Boehringer Ingelheim Investigational Site
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion criteria:
For COPD subjects: Male or female, age of 40 years or older, smoking history >10 pack-years, symptomatic defined as baseline dyspnea index focal score of 9 or more and / or daily cough with production of sputum for three months per year during at least two consecutive years, diagnosis of early stage COPD according to: post-bronchodilator FEV1/FVC ratio <70%., FEV1 >/=50% post-bronchodilator predicted normal, and a decreased Inspiratory Capacity during exercise. For Age / Gender Matched Controls: Male or female, age of 40 years or older, nonsmoker, with no significant diseases.
Exclusion criteria:
Patients with a significant disease other than COPD; a significant disease is defined as a disease which, in the opinion of the investigator, may (i) put the patient at risk because of participation in the study, (ii) influence the results of the study, or (iii) cause concern regarding the patient's ability to participate in the study.
Patients with a history of asthma, Patients requiring the use of supplemental oxygen therapy, Patients who have a limitation of exercise performance as a result of factors other than fatigue or exertional dyspnoea, such as arthritis in the leg, angina pectoris, claudication or other conditions, or Patients with contraindications to exercise.
Note: Additional exclusion criteria for Age / Gender Matched Controls: Patients with a significant disease including COPD.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Crossover-opdracht
- Masker: Dubbele
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Actieve vergelijker: 18 mcg tiotropium
Patient to receive 1 tiotropium bromide inhalation powder capsule daily (in the morning) via HandiHaler
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double blind randomized crossover
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Placebo-vergelijker: Placebo
Patient to receive 1 placebo inhalation powder capsule daily (in the morning) identical to those containing tiotropium bromide inhalation powder via HandiHaler
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inhalation powder capsule identical to those containing tiotropium bromide inhalation powder
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Geen tussenkomst: Control
Age and gender matched control subjects to conduct incremental and constant work rate exercise tests for comparison to subjects with early stage COPD
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Change From Baseline in Inspiratory Capacity (IC) at Isotime
Tijdsspanne: baseline, six weeks of treatment
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Inspiratory capacity (IC) during CWR exercise testing measured at isotime (isotime was established during CWR exercise testing at baseline).
Isotime is the minimum exercise time among all tests.
Constant work rate exercise means the exercise is done under constant work rate.
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baseline, six weeks of treatment
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Constant Work Rate (CWR) Endurance Time
Tijdsspanne: six weeks of treatment
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CWR exercise duration calculated as the length of time of the exercise period
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six weeks of treatment
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Change From Baseline in Modified Borg Scale Ratings for Dyspnea Intensity at Isotime
Tijdsspanne: baseline, six weeks of treatment
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Modified Borg Scale is a participant rating of the intensity of dyspnea measured on a scale ranging from 0 (Nothing at all) to 10 (Maximal, most severe ever experienced).
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baseline, six weeks of treatment
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Medewerkers en onderzoekers
Sponsor
Medewerkers
Publicaties en nuttige links
Algemene publicaties
- Gagnon P, Casaburi R, Saey D, Porszasz J, Provencher S, Milot J, Bourbeau J, O'Donnell DE, Maltais F. Cluster Analysis in Patients with GOLD 1 Chronic Obstructive Pulmonary Disease. PLoS One. 2015 Apr 23;10(4):e0123626. doi: 10.1371/journal.pone.0123626. eCollection 2015.
- Porszasz J, Blonshine S, Cao R, Paden HA, Casaburi R, Rossiter HB. Biological quality control for cardiopulmonary exercise testing in multicenter clinical trials. BMC Pulm Med. 2016 Jan 16;16:13. doi: 10.1186/s12890-016-0174-8.
- Casaburi R, Maltais F, Porszasz J, Albers F, Deng Q, Iqbal A, Paden HA, O'Donnell DE; 205.440 Investigators. Effects of tiotropium on hyperinflation and treadmill exercise tolerance in mild to moderate chronic obstructive pulmonary disease. Ann Am Thorac Soc. 2014 Nov;11(9):1351-61. doi: 10.1513/AnnalsATS.201404-174OC.
- O'Donnell DE, Maltais F, Porszasz J, Webb KA, Albers FC, Deng Q, Iqbal A, Paden HA, Casaburi R; 205.440 investigators. The continuum of physiological impairment during treadmill walking in patients with mild-to-moderate COPD: patient characterization phase of a randomized clinical trial. PLoS One. 2014 May 1;9(5):e96574. doi: 10.1371/journal.pone.0096574. eCollection 2014.
Nuttige links
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
- Ziekten van de luchtwegen
- Longziekten
- Longziekten, obstructief
- Longziekte, chronisch obstructief
- Fysiologische effecten van medicijnen
- Neurotransmitter agenten
- Moleculaire mechanismen van farmacologische werking
- Parasympathicolytica
- Autonome agenten
- Agenten van het perifere zenuwstelsel
- Cholinerge antagonisten
- Cholinerge middelen
- Bronchusverwijdende middelen
- Anti-astmatische middelen
- Agenten van het ademhalingssysteem
- Tiotropiumbromide
Andere studie-ID-nummers
- 205.440
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