- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02498535
Efficacy and Safety of Inhaled Nitric Oxide (NO) in Cystic Fibrosis (CF) Patients
Prospective, Randomized, Placebo Controlled Trial of the Efficacy and Safety of Inhaled Nitric Oxide (NO) in Cystic Fibrosis (CF) Patients
Study Overview
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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B.C.
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Vancouver, B.C., Canada, V6Z 1Y6
- University of British Columbia, St. Paul's Hospital (Site No. 300)
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California
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Garden Grove, California, United States, 92841
- * Entire USA* The sponsor will provide air transportation and housing to patients that are not located in the area of clinical trial sites. All trial sites can treat adults.
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Los Angeles, California, United States, 90027
- Children's Hospital of Los Angeles (Adults can be treated here) (Site No. 500)
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Ohio
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Columbus, Ohio, United States, 43205
- Nationwide Children's Hospital (Adults can be treated here) (Site No. 600)
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South Carolina
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Charleston, South Carolina, United States, 29403
- Medical University of South Carolina (Site No. 200)
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Washington
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Seattle, Washington, United States, 98195
- University of Washington Medical Center (Site No. 100)
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Wisconsin
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Milwaukee, Wisconsin, United States, 53226
- Medical College of Wisconsin (Site No. 400)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Confirmed diagnosis of Cystic Fibrosis based on the following criteria:
- positive sweat chloride 60 mEq/liter (by pilocarpine iontophoresis); and/or
- a genotype with two identifiable mutations consistent with CF
- Presence of Pseudomonas aeruginosa, Staphylococcus aureus or Stenotrophomonas maltophilia in the screening sputum culture.
- Chronic microbial lung colonization (≥6 months) with presence of Pseudomonas aeruginosa, Staphylococcus aureus or Stenotrophomonas maltophilia in at least two (2) sputum cultures in the past year (the screening culture can count as one of the two positive cultures).
Ongoing chronic inhaled antibiotic therapy for at least 3 months prior to (screening or baseline).
• For subjects on cycled therapy, at least 2 cycles of drug need to have been completed prior to baseline.
- Willing to be off of inhaled antibiotic therapy from Day 1 to Day 15
- Male or female subjects ≥18 years
- FEV1 <85% and >35% at screening and baseline
- SaO2 >90% on room air at screening and baseline
- Clinically stable with no significant changes in health status within 14 days prior to Baseline
- Written Informed Consent and HIPAA authorization
- Non-smoker for at least 6 months prior to screening and agrees not to smoke during the study
- Chest x-ray within the last six (6) months. If none, a chest x-ray is required before randomization.
- Willing and able to comply with the treatment schedule and procedures.
Exclusion Criteria:
- Initiation of any new chronic therapy (e.g., ibuprofen, Pulmozyme®, hypertonic saline, azithromycin, TOBI®, Cayston®) within 4 weeks prior to screening.
- Use of antibiotics [oral, intravenous (iv), and/or inhaled] for acute respiratory symptoms within 2 weeks prior to baseline.
- Significant hemoptysis within 30 days prior to screening (≥5 mL of blood in one coughing episode or >30 mL of blood in a 24 hour period)
History of colonization with nontuberculosis mycobacterium in sputum culture. The investigator can be guided by the following suggested criteria for a subject to be considered free of colonization:
- Two respiratory tract cultures negative for NTM in the last year, with no subsequent positive cultures; and
- these 2 respiratory cultures must be separated by at least 3 months; and
- one of these two cultures has to have been obtained within the last 6 months
- Cardiac (left heart) insufficiency (defined as LVEF <35%) at screening
- Use of a nitric oxide donor agent such as nitroglycerin or drugs known to increase methemoglobin such as lidocaine, prilocaine, benzocaine or dapsone at screening
Any of the following abnormal lab values at Screening:
- Hemoglobin < 10 g/dl
- Methemoglobn >3%
- Platelet count <100,000/mm3
- Prothrombin time international ratio (INR) > 1.5
- Abnormal liver function defined as any two of the following:
- ALT >3 x ULN
- AST >3 x ULN
- ALP > 3 x ULN
- GGT > 3 x ULN
- Abnormal liver function defined as:
- ALT >5 x ULN
- AST >5 x ULN
- Abnormal renal function defined as:
- Calculated Creatinine Clearance < 50 mL (as calculated by Cockcroft/Gault)
For women of child bearing potential:
- positive pregnancy test at screening or
- lactating or
- unwilling to practice a medically acceptable form of contraception from screening to Day 36 (acceptable forms of contraception: abstinence, hormonal birth control, intrauterine device, or barrier method plus a spermicidal agent)
- Use of an investigational drug within 30 days prior to screening
- Intravenous or oral steroids in the 14 days prior to screening
- Current use of inhaled steroids >500 micrograms twice daily of Fluticasone or equivalent in the 30 days prior to screening
- Use of supplemental oxygen (daytime or nocturnal) in the 7 days prior to screening
- Any condition that the Investigator believes would interfere with the intent of this study or would make participation not in the best interest of the subject
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Nitric oxide gas at 160 ppm
Nitric oxide gas at 160 ppm inhaled four times daily for 30 min delivered with air as the carrier via nasal inhalation for a total of 7.5 days.
Total dose of 2400 ppm hours.
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Nitric Oxide 160 ppm
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Placebo Comparator: Breathing 20.3% oxygen
Breathing 20.3% oxygen inhaled four times daily for 30 min delivered with air as the carrier via nasal inhalation for a total of 7.5 days.. 100% nitrogen will be injected into the breathing circuit (instead of 99.5% nitrogen and 0.5% NO).
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Nitric Oxide 160 ppm
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Change in FEV1 % predicted from baseline to Day 15
Time Frame: 15 Days
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The primary efficacy variable for this study is absolute change from baseline FEV1% predicted to Day 15.
For each subject, the change will be calculated as the FEV1% value minus the baseline FEV1%, i.e., a positive change in FEV1% values will indicate an increase in FEV1% after treatment.
The primary endpoint for this trial is the comparison of the mean absolute change from baseline in FEV1% between treatment groups.
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15 Days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Mean absolute change in FEV1% from baseline to Day 15 in the NO group (within group test).
Time Frame: 15 days
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Clinical Measurement of Mean absolute change in FEV1% from baseline to Day 15 in the NO group (within group test).
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15 days
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Mean change in prevalent recovered organisms' sputum CFU g (log 10) from baseline to Days 10, 15 and 36
Time Frame: 36 days
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Clinical Measurement of Mean change in prevalent recovered organisms' sputum CFU g (log 10) from baseline to Days 10, 15 and 36
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36 days
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Mean change in distance walked in the six-minute walk test from baseline to Days 15 and 36.
Time Frame: 36 days
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Clinical Measurement of Mean change in distance walked in the six-minute walk test from baseline to Days 15 and 36.
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36 days
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Mean absolute change in FEV1 % predicted from baseline to Days 10 and 36.
Time Frame: 36 days
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Clinical Measurement of Mean absolute change in FEV1 % predicted from baseline to Days 10 and 36.
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36 days
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Mean change in FEV1 % predicted (relative) from baseline to Days 10, 15, and 36.
Time Frame: 36 days
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Clinical Measurement of Mean change in FEV1 % predicted (relative) from baseline to Days 10, 15, and 36.
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36 days
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Mean change in FVC from baseline to Days 10, 15 and 36
Time Frame: 36 days
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Clinical Measurement of Mean change in FVC from baseline to Days 10, 15 and 36
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36 days
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Mean change in FEF25-75 from baseline to Days 10, 15 and 36
Time Frame: 36 days
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Clinical Measurement of Mean change in FEF25-75 from baseline to Days 10, 15 and 36
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36 days
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Mean change in CFQ-R scores for each domain from baseline to Days 15 and 36
Time Frame: 36 days
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Clinical Measurement of Mean change in CFQ-R scores for each domain from baseline to Days 15 and 36
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36 days
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Counts of CFRSD-CRISS symptom scores for each symptom from evening prior to Day 1 to each day of the study (Days 1-35)
Time Frame: 35 days
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Clinical Measurement of Counts of CFRSD-CRISS symptom scores for each symptom from evening prior to Day 1 to each day of the study (Days 1-35)
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35 days
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Number of subjects with a relative improvement between baseline and Day 10 in FEV1 % predicted of ≥7.5%
Time Frame: 10 days
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Clinical Measurement of Number of subjects with a relative improvement between baseline and Day 10 in FEV1 % predicted of ≥7.5%
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10 days
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Number of subjects with an absolute improvement in CFQ-R survey scores ≥5 between baseline and Days 15 and 36
Time Frame: 36 days
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Clinical Measurement of Number of subjects with an absolute improvement in CFQ-R survey scores ≥5 between baseline and Days 15 and 36
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36 days
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Number of subjects with a positive response in the 6 minute walk test at Days 15 and 36
Time Frame: 36 days
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Clinical Measurement of Number of subjects with a positive response in the 6 minute walk test at Days 15 and 36
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36 days
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- Pathologic Processes
- Respiratory Tract Diseases
- Lung Diseases
- Infant, Newborn, Diseases
- Genetic Diseases, Inborn
- Pancreatic Diseases
- Fibrosis
- Cystic Fibrosis
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Vasodilator Agents
- Autonomic Agents
- Peripheral Nervous System Agents
- Protective Agents
- Bronchodilator Agents
- Anti-Asthmatic Agents
- Respiratory System Agents
- Antioxidants
- Free Radical Scavengers
- Endothelium-Dependent Relaxing Factors
- Gasotransmitters
- Nitric Oxide
Other Study ID Numbers
- NO-CF-02E
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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