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Mannitol Dose Response Study in Cystic Fibrosis

S

Syntara

Status and phase

Completed
Phase 2

Conditions

Cystic Fibrosis

Treatments

Drug: mannitol

Study type

Interventional

Funder types

Industry

Identifiers

NCT00251056
DPM-CF-202

Details and patient eligibility

About

Many cystic fibrosis patients die of lung failure caused by repeated lung infections from thick, sticky mucus. Past studies have shown Bronchitol inhalation may help to facilitate the clearance of mucus by altering its rheology and replenishing the airway surface liquid layer in these patients, thereby enhancing the shift of stagnant mucus from the lungs. The study aim is to determine the optimal dose of mannitol to generate clinical improvement in patients with cystic fibrosis.

Enrollment

48 patients

Sex

All

Ages

7+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

  • Diagnosis of cystic fibrosis (sweat test/genotype)
  • 7 years or older
  • FEV1 between 40% and 90% of predicted for height, age and gender.
  • Able to perform acceptable-quality spirometry
  • Clinically stable in the week up to study entry
  • No additional antibiotics or additional oral steroids for a period of 14 days before study entry (routine antibiotics permitted)

Exclusion Criteria

  • Currently active asthma
  • Subjects colonized with Burkholderia cepacia or MRSA
  • Considered "terminally ill" or listed for transplantation
  • Requiring home oxygen or assisted ventilation
  • Concurrent illness that in the investigators opinion may contribute to an increased and unacceptable risk if the subject was enrolled in the study (e.g. significant varicies, portal hypertension, cor pulmonale)
  • Significant episode of haemoptysis (>60 mLs) in the previous 12 months
  • Heart attack or stroke in last 3 months
  • Known aortic or cerebral aneurysm
  • Subjects who are breast feeding or pregnant.
  • At risk females unwilling to use appropriate contraception to prevent pregnancy during the course of the study
  • Subjects who have participated in another investigative drug study parallel to, or within 4 weeks of study entry.
  • Known intolerance to mannitol or unable to take any form of bronchodilator medications.
  • Uncontrolled hypertension, systolic BP > 200 or diastolic BP> than 100
  • Concurrent use of beta blocker medication
  • Concurrent use of hypertonic saline

Canada:

  • Concurrent use of other pharmacological mucolytic agents other than Pulmozyme

Argentina:

  • Concurrent use of other pharmacological mucolytic agents including Pulmozyme

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

48 participants in 4 patient groups

1
Active Comparator group
Treatment:
Drug: mannitol
Drug: mannitol
Drug: mannitol
Drug: mannitol
2
Active Comparator group
Treatment:
Drug: mannitol
Drug: mannitol
Drug: mannitol
Drug: mannitol
3
Active Comparator group
Treatment:
Drug: mannitol
Drug: mannitol
Drug: mannitol
Drug: mannitol
4
Active Comparator group
Treatment:
Drug: mannitol
Drug: mannitol
Drug: mannitol
Drug: mannitol

Trial contacts and locations

12

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Data sourced from clinicaltrials.gov

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