Transfer Impedance in Cystic Fibrosis (Ztr)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. Identifier: NCT00743158
Recruitment Status : Recruiting
First Posted : August 28, 2008
Last Update Posted : August 2, 2017
Information provided by (Responsible Party):
Thomas Martin, Boston Children’s Hospital

Brief Summary:
This study aims to determine whether respiratory system transfer impedance (Ztr) may fill an important clinical function by providing a reproducible, valid, and sensitive measure of airway obstruction in people with CF.

Condition or disease
Cystic Fibrosis

Study Type : Observational
Estimated Enrollment : 40 participants
Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Transfer Impedance in Cystic Fibrosis (Ztr)
Study Start Date : August 2008

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Cystic Fibrosis
U.S. FDA Resources

Information from the National Library of Medicine

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Ages Eligible for Study:   2 Years to 25 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Cystic Fibrosis Patients

Inclusion Criteria:

  • Between the ages of 2 to 25 Confirmed diagnosis of Cystic Fibrosis

Exclusion Criteria:

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00743158

United States, Massachusetts
Childrens Hospital, Boston Recruiting
Boston, Massachusetts, United States, 02115
Contact: Lamia Momen, BA    617-355-6665   
Principal Investigator: Thomas R Martin, MD         
Sponsors and Collaborators
Boston Children’s Hospital

Responsible Party: Thomas Martin, Assistant Professor of Pediatrics, Boston Children’s Hospital Identifier: NCT00743158     History of Changes
Other Study ID Numbers: X08-01-0060
First Posted: August 28, 2008    Key Record Dates
Last Update Posted: August 2, 2017
Last Verified: July 2017

Keywords provided by Thomas Martin, Boston Children’s Hospital:
transfer impedance
cystic fibrosis
pulmonary function test

Additional relevant MeSH terms:
Cystic Fibrosis
Pathologic Processes
Pancreatic Diseases
Digestive System Diseases
Lung Diseases
Respiratory Tract Diseases
Genetic Diseases, Inborn
Infant, Newborn, Diseases