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COPD on Primary Care Treatment (COOPT)

R

Radboud University Medical Center

Status and phase

Completed
Phase 4

Conditions

Lung Diseases, Obstructive
Pulmonary Disease, Chronic Obstructive
Bronchitis, Chronic

Treatments

Drug: fluticasone propionate
Drug: N-acetylcysteine

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT00184977
95093 FLU9802 NAC-NL-11
98-46140

Details and patient eligibility

About

The aim of this family practice based study is to determine the long-term treatment effects of two drugs that are presumed to modify the course and progression of chronic obstructive pulmonary disease (COPD), oral N-acetylcysteine and inhaled corticosteroids.

Full description

Chronic obstructive pulmonary disease (COPD) is a disorder characterised by symptoms and abnormal tests of expiratory flow that do not change markedly over periods of several months observation. COPD includes chronic bronchitis and emphysema. It is not fully clear which medication is the most efficacious in the long-term treatment of COPD. In contrast to asthma, the efficacy and therefore the precise role of inhaled corticosteroids is less clear in the treatment of patients with COPD. The same applies to another (much less investigated) possibility in the treatment of COPD, the anti-oxidant agent N-acetylcysteine. N-acetylcysteine is used as a mucolytic agent in a variety of clinical conditions, such as acute and chronic bronchitis and cystic fibrosis. The aim of this study, which is performed in family practices, is to determine the 3-year treatment effects and cost-effectiveness of oral N-acetylcysteine versus an inhaled corticosteroid (fluticason propionate) in modifying the course and progression of COPD.

Comparisons: N-acetylcysteine (oral, 600 mg o.d.) and fluticason propionate (dry powder inhalation, 500 mcg b.i.d.) are compared with placebo

Sex

All

Ages

30 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • age between 30 and 75 years
  • being a smoker or ex-smoker
  • post-bronchodilator FEV1/FVC ratio is <88% of the predicted value in case of men or <89% of the predicted value in case of women
  • post-bronchodilator FEV1>=40% and <90% of the predicted value
  • subjects have a GP diagnosis of COPD or had increased cough, sputum and/or dyspnea on most days for 3 or more months a year, for at least the last 2 years
  • able to provide a written informed consent
  • expected to be able to comply with the study protocol
  • able to communicate with the study personnel and to understand and read instructions
  • females of childbearing potential should use an acceptable method for birth control

Exclusion criteria

  • a known history of intolerance or allergy for N-acetylcysteine or fluticason
  • use of long-term oxygen therapy or expected to be in need of oxygen therapy within the next 3 years
  • registered asthma, allergic rhinitis, and/or allergic eczema as an active problem in the GPs records within the last 12 months
  • alpha1-antitrypsin deficiency
  • cystic fibrosis
  • active infection due to Mycobacterium tuberculosis
  • status post-lobectomy
  • clinically proven gastric or duodenal ulcer in the previous six months
  • non-compensated severe chronic congestive heart failure
  • life expectancy reduction (e.g. malignancies)
  • evidence of illicit drug use or abuse of alcohol intake
  • expected not to be compliant in taking medications in general
  • being pregnant or giving breastfeeding
  • not complying with the inclusion criteria

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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