Cystic FibrosisZtrNCT00743158
Transfer Impedance in Cystic Fibrosis
An observational study of Cystic Fibrosis, run by Boston Children's Hospital at 1 site in United States.
Trial 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. Read more about this study
- Who is it for?
- Ages 2 to 25 years
- Conditions the study is for
- Cystic Fibrosis
- How many people
- 0 participants
- Where
- 1 siteUnited States
- Study dates
- Aug 2008to 3 Mar 2011
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 2 to 25 years
- All sexes
- No healthy volunteers
- Child, Adult
Study population: Cystic Fibrosis Patients
Who may be able to join
- Between the ages of 2 to 25 Confirmed diagnosis of Cystic Fibrosis
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country.
United States1 site
Childrens Hospital, Boston
Boston, Massachusetts, 02115
About this study
Official title: Transfer Impedance in Cystic Fibrosis (Ztr)
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.
- Conditions
- Cystic Fibrosis
- Keywords
- ztr, transfer impedance, cystic fibrosis, pulmonary function test, pft
- Medical subject headings
- Cystic Fibrosis
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Aug 2008 (estimated)
- Study startAug 2008
- Primary completion3 Mar 2011
- Study completion3 Mar 2011
Why it stopped: PI determination
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cystic FibrosisStudies of the same condition, open and under way.
- More trials run by Boston Children's HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Prospective
- Enrolment
- 0 participants (actual)
Sponsor and investigators
- Lead sponsor
- Boston Children's Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Thomas Martin, Boston Children's Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00743158
- Sponsor's protocol ID
- X08-01-0060
- Acronym
- Ztr
- Status last verified
- Feb 2023
- First submitted
- 27 Aug 2008
- Last updated
- 15 Feb 2023
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 15 Feb 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Transfer Impedance in Cystic Fibrosis (Ztr)
- ClinicalTrials.gov ID
- NCT00743158
- Acronym / sponsor ID
- Ztr / X08-01-0060
- Conditions
- Cystic Fibrosis
- Keywords
- ztr, transfer impedance, cystic fibrosis, pulmonary function test, pft
- Study type
- Observational
- Recruitment status
- WithdrawnReason stopped: PI determination
- Enrolment
- 0 participants (actual)
- Lead sponsor
- Boston Children's HospitalUniversity, hospital or other
- Study start
- Aug 2008
- Primary completion
- 3 Mar 2011 (actual)
- Study completion
- 3 Mar 2011 (actual)
- First posted
- 28 Aug 2008 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Study design
- Observational model
- Case only
- Time perspective
- Prospective
Who may qualify
- Ages
- 2 to 25 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
- Study population
- Cystic Fibrosis Patients
Key inclusion criteria (1 listed)
- Between the ages of 2 to 25 Confirmed diagnosis of Cystic Fibrosis
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study was withdrawn before enrolling participants, so there are no results.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 15 Feb 2023.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Cystic Fibrosis, run by Boston Children's Hospital at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: withdrawn, as of the sponsor's last update on 15 Feb 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was withdrawn before enrolling participants, so there are no results.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Feb 2023.