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Cystic FibrosisPhase 4NCT00680316

A Study of Pulmozyme® (Dornase Alpha) in 3- to 5-Year-Old Patients With Cystic Fibrosis

A Phase 4 study testing Dornase alfa in people with Cystic Fibrosis, run by Genentech, Inc..

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This was a Phase IV, multicenter, randomized, double-blind, placebo-controlled trial designed to evaluate the effect of Pulmozyme on pulmonary function, health-related quality of life (HRQOL), and respiratory symptoms in 3- to 5-year-old children with cystic fibrosis (CF). Read more about this study

Who is it for?
Ages 3 to 5 years
Conditions the study is for
Cystic Fibrosis
What is being tested?
Dornase alfa
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
3 participants
Where
No sites listed yet
Study dates
Jun 2008to May 2009
Phase
Phase 4
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 3 to 5 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Signed Informed Consent Form
  • Aged 3-5 years
  • Diagnosis of cystic fibrosis

Who cannot join

  • Children taking scheduled inhaled Pulmozyme or hypertonic saline within 56 days prior to Visit 1 or any Pulmozyme in the 28 days before Visit 1
  • Involvement in a clinical intervention trial within the 4 weeks prior to Visit 1
  • Use of an investigational drug or device within 28 days prior to Visit 1
  • Any other condition that might increase the risk of participation to the patient in the judgement of the investigator

About this study

Official title: A Phase IV, Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial of Pulmozyme® in 3- to 5-Year-Old Patients With Cystic Fibrosis

This was a Phase IV, multicenter, randomized, double-blind, placebo-controlled trial designed to evaluate the effect of Pulmozyme on pulmonary function, health-related quality of life (HRQOL), and respiratory symptoms in 3- to 5-year-old children with cystic fibrosis (CF). Approximately 40 patients were planned to be enrolled in this study. However, only 3 patients were eligible for random allocation and received treatment: 1 patient in the Pulmozyme group and 2 patients in the placebo group. All 3 patients completed the study assessments but did not have usable pulmonary function test (PFT) data.

Conditions
Cystic Fibrosis
Being tested
Dornase alfa, Placebo
Keywords
Pulmozyme, CF
Medical subject headings
Cystic Fibrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Dornase alfaDrug

    Also called Pulmozyme

    2.5 mL (2.5 mg) dornase alfa nebulized once daily for 16 (+/-2) days

  • PlaceboDrug

    2.5 mL (2.5 mg) placebo nebulized once daily for 16 (+/-2) days

Study groups in NCT00680316
Study groupRoleWhat they receive
Dornase alfaExperimentalNot described
Receives: Drug: Dornase alfa
PlaceboPlacebo comparatorNot described
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Reactance at 8 Hz (Xrs8) From Visit 2 to Visit 3 (Change From Baseline at Visit 2 to Visit 3, After Study Drug Treatment).

    The fundamental principle of forced oscillometry is that lung function can be assessed by measuring changes in pressure and flow in response to external pressure applied at the airway opening. Reactance is complex measure that incorporates the changes in pressure and volume and the rate of these changes in response to pressure oscillations at a specific frequency. (8Hz was used for the primary endpoint). Reactance is thought to reflect the elastic properties of the lung.

    Measured: from Visit 2 to Visit 3 (16 +/- 2 days)

Secondary outcomes (3)
  1. Change in Reactance at 4, 6, and 10 Hz (Xrs4, Xrs6, and Xrs10)

    The fundamental principle of forced oscillometry is that lung function can be assessed by measuring changes in pressure and flow in response to external pressure applied at the airway opening. Reactance is complex measure that incorporates the changes in pressure and volume and the rate of these changes in response to pressure oscillations at a specific frequency. (8Hz was used for the primary endpoint). Reactance is thought to reflect the elastic properties of the lung.

    Measured: from Visit 2 to Visit 3 (16 +/- 2 days)

  2. Change in Resistance at 4, 6, 8, and 10 Hz (Rrs4, Rrs6, Rrs8, and Rrs10)

    The fundamental principle of forced oscillometry is that lung function can be assessed by measuring changes in pressure and flow in response to external pressure applied at the airway opening. Resistance is complex measure that incorporates the lack of changes in pressure and volume and the rate of these changes in response to pressure oscillations at a specific frequency. (10Hz was used for the secondary endpoint).

    Measured: from Visit 2 to Visit 3 (16 +/- 2 days)

  3. Change in Respiratory Symptom Domain Score From the Cystic Fibrosis Questionnaire Revised (CFQ-R) for Parents of Preschoolers and for Preschoolers

    The CFQ-R for Preschoolers and the CFQ-R for Parents of Preschoolers was designed specifically to measure the impact of CF for patients with a diagnosis of CF. Each question is answered using a 4-point Likert scale.

    In order to calculate the domain/symptom scale scores, the following algorithm is followed

    • Re-number items which have been reverse coded
    • Calculate the mean of the items to be included. If more than half of the items are missing, then the score is considered missing
    • Re-scale to result in a scaled score which ranges from 0 to 100, with higher scores indicating better health

    Measured: from Visit 2 to Visit 3 (16 +/- 2 days)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 May 2008 (estimated)
  2. Study startJun 2008
  3. Primary completionMay 2009
  4. Study completionMay 2009

Why it stopped: Most patients were unable to perform the test being used to measure lung function, thus it became clear the study would not yield clinically meaningful data

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00680316
Sponsor's protocol ID
Z4240g
Status last verified
Nov 2016
First submitted
16 May 2008
Last updated
12 Jan 2017

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Dornase alfa in people with Cystic Fibrosis, run by Genentech, Inc..

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 3 inclusion and 4 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: stopped early, as of the sponsor's last update on 12 Jan 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 17 Jun 2011). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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.

What does the primary outcome measure?

Change in Reactance at 8 Hz (Xrs8) From Visit 2 to Visit 3 (Change From Baseline at Visit 2 to Visit 3, After Study Drug Treatment). (time frame: from Visit 2 to Visit 3 (16 +/- 2 days)). It is what the study was designed to measure, not a finding.

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 12 Jan 2017.

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