Miglustat / OGT 918 in the Treatment of Cystic Fibrosis

Inclusion Criteria:

• Aged 12 years and older
• Male or female

• Non-pregnant women who are to remain non-pregnant for 3 months after the end of the study: only women who are surgically sterile, who are in the menopause (no menstruation for at least one year) or those of childbearing potential who are using a reliable method of contraception. Reliable methods of contraception for female patients include the following:

  • Barrier type devices (e.g., female condom, diaphragm and contraceptive sponge) used ONLY in combination with a spermicide
  • Intrauterine devices
  • Oral contraceptive agent
  • Depo-Provera™ (medroxyprogesterone acetate)
  • Levonorgestrel implants Abstention, the rhythm method or contraception by the partner alone are NOT reliable methods of contraception.

For children, a reliable method of contraception must be considered, if appropriate.

• Accepting for the duration of the study and for 3 months thereafter to use a condom and not to procreate a child (males only)
• Cystic fibrosis patients homozygous for the ΔF508 mutation as confirmed by genetic test
• Signed informed consent prior to any study-mandated procedure

Exclusion Criteria:

• Any condition prohibiting the correct measurement of the NPD such as upper respiratory tract infection
• Acute upper respiratory tract or pulmonary exacerbation requiring antibiotic intervention within 2 weeks of screening
• Severe renal impairment (creatinine clearance < 30 ml/min as per Cockroft and Gault)
• Female patients who will not undergo a pregnancy test prior to enrollment in the study
• History of significant lactose intolerance
• History of neuropathy
• History of cataracts or known increased risk of cataract formation
• Presence of clinically significant diarrhea (>3 liquid stolls per days for >7 days) without definable cause within 1 month prior to screening
• Any known factor of disease that might interfere with treatment compliance, study conduct or interruption of the results such as drug or alcohol dependence or psychiatric disease
• FEVI <25% of predicted normal
• Oxygen saturation at rest <88%
• Active or passive smoking as measured using the Smokelyzer®
• Hypersensitivity to miglustat or any excipients
• Planned treatment or treatment with another investigational drug or therapy (e.g., gene therapy) within 1 month prior to randomization