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The Effect on Small Airways of Addition of Theophylline as Inducer of Histone Deacilase Activity for Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD), Treated With Inhaled Steroids and Long Acting Beta Agonists (COPD)

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified April 2009 by Assaf-Harofeh Medical Center.
Recruitment status was:  Not yet recruiting
Information provided by:
Assaf-Harofeh Medical Center Identifier:
First received: May 4, 2009
Last updated: April 4, 2011
Last verified: April 2009
Chronic obstructive pulmonary disease (COPD) is a chronic progressive respiratory disorder causing disability with an increasing burden to the patient, his family and to the health services. Treatment of COPD patients depends on the stage of the disease. COPD responds poorly to corticosteroids, in spite of inflammation is a major component in its pathogenesis. A major barrier to therapy of COPD is resistance to the anti-inflammatory effects of corticosteroids. The molecular mechanisms for this corticosteroid resistance are now being elucidated, particularly as the molecular basis for the anti-inflammatory effects of corticosteroids is better understood (12). An important mechanism of corticosteroid resistance in COPD, which is also linked to amplification of the inflammatory process, is a reduction in the critical nuclear enzyme histone deacetylase (HDAC)2 . Since the major changes are at the level of small airways. We will examine the effect of addition of theophylline product to stable COPD patients treated with combined inhaler of inhaled corticosteroids.

Condition Intervention
COPD Drug: Theophylline Drug: Placebo

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Assaf-Harofeh Medical Center:

Primary Outcome Measures:
  • Air trapping [ Time Frame: 1 year ]

Secondary Outcome Measures:
  • endurance time [ Time Frame: 1 year ]

Estimated Enrollment: 30
Study Start Date: July 2009
Estimated Study Completion Date: December 2009
Estimated Primary Completion Date: October 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Placebo Comparator: Placebo Drug: Placebo
Active Comparator: Theophylline
100 twice a day
Drug: Theophylline
100 mg twice a day


Ages Eligible for Study:   45 Years to 75 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • stable stage II and III (GOLD) COPD, diagnosed 2 years ago and up

Exclusion Criteria:

  • Heart failure Malignancy Immune suppressed
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00893009

Contact: david Stav, MD 972 89779024

Pulmonar Institute, Assaf Harofeh Medical Center Recruiting
Beer Yaakov, Israel, 70300
Contact: David Stav, MD   
Contact: Dimitri Gorban, MD         
Sub-Investigator: Dimitri Gorban, MD         
Sponsors and Collaborators
Assaf-Harofeh Medical Center
  More Information

Responsible Party: David Stav MD, Pulmonary Institute Identifier: NCT00893009     History of Changes
Other Study ID Numbers: 02/09
Study First Received: May 4, 2009
Last Updated: April 4, 2011

Keywords provided by Assaf-Harofeh Medical Center:
Forced expiratory volume in one second
Inspiratory capacity
endurance time
residual volume

Additional relevant MeSH terms:
Pulmonary Disease, Chronic Obstructive
Lung Diseases, Obstructive
Lung Diseases
Respiratory Tract Diseases
Bronchodilator Agents
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Asthmatic Agents
Respiratory System Agents
Phosphodiesterase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Vasodilator Agents
Purinergic P1 Receptor Antagonists
Purinergic Antagonists
Purinergic Agents
Neurotransmitter Agents processed this record on September 21, 2017