The purpose of this study is learn more about the effectiveness and safety of VX-445 used in combination with TEZ, IVA and VX-561 in patients with cystic fibrosis.
Participation could last for approximately 16 weeks. This will include a Screening Period that will last up to 4 weeks, a Run-in Period that will last up to 4 weeks, a Treatment Period that will last up to 4 weeks, and a Follow-up Period that may last up to 4 weeks after the last dose of Study Drug. Approximately 100 people will participate in this study.
The purpose of this study is to learn more about the effectiveness and safety of VX-445 used in combination with TEZ and VX-561 in patients with cystic fibrosis. Participation could last for approximately 32 weeks. This will include a Screening Period that will last up to 4 weeks, a Treatment Period that will last up to 24 weeks, and a Follow-up Period that may last up to 4 weeks after the last dose of Study Drug. Approximately 360 people will participate in this study.
In this study, PTI-808 will be given alone and in combination with two other experimental drugs, PTI-801 and PTI-428. PTI-428, PTI-801, and PTI-808 are considered cystic fibrosis transmembrane conductance regulator (CFTR) modulators being developed to treat the underlying mechanism of cystic fibrosis. PTI-428 is a CFTR amplifier that increases the amount of CFTR protein in the cell, PTI-801 is a CFTR corrector that improves the processing of CFTR protein in the cell, and PTI-808 is a CFTR potentiator to enhance the activity of CFTR at the cell surface. Individual modulators have been shown to have limited activity, and therefore it is predicted that a combination of modulators will be required to fully address the CFTR protein defects. The study will also obtain information on how the study drug moves into, through, and out of the body. The expected duration of this study is up to 57 days
This study is being done to evaluate the long-term outcomes of patients with CF who are homozygous for the F508del-CFTR mutation and previously took part in Study VX12-809-105 and are currently participating in the CF Registry.
No part of this study is experimental. There will be no more than 485 people participating in this study. No additional medical tests or procedures are needed to participate in this study.
This is a research study to find out if a drug called lenabasum can help people with Cystic Fibrosis (CF) and if it is safe to take without causing too many side effects. There are 9 planned study visits in the institution during this study.
This is a research study to test a new investigational drug, PTI-801. An investigational drug is one that is not approved by the US FDA. In this study, PTI-801 will be compared to placebo (a capsule that looks like the investigational drug, but does not contain an active drug substance). Although PTI-801 has been given to normal healthy adults, this is the FIRST time that PTI-801 has been given to people with CF.
This study has two parts and will assess your hearing and the potential effects of antibiotic-induced ototoxicity. Ototoxicity is a potential effect of drugs used to treat your lung infections, and its effect on your ears (oto=ears), particularly structures in your inner ear that enable hearing and balance. Part One of the study will assess your inner ear function that may be associated with hearing loss and / or loss of balance in cystic fibrosis patients taking tobramycin. Part Two is looking to determine if SPI-1005, an investigational drug, influences hearing loss, due to mediations (tobramycin).
The purpose of this study is to learn more about the safety and efficacy of the combination of tezacaftor/ivacaftor (TEZ/IVA) in subjects with CF who have previously discontinued Orkambi. Orkambi® is a combination of ivacaftor with another drug called lumacaftor. This study is being conducted to test whether combining ivacaftor with tezacaftor instead will improve symptoms of cystic fibrosis and cause fewer respiratory side effects.
This study is being done to evaluate an experimental treatment for people with Cystic Fibrosis who have a bacterial infection in their lungs. Subjects will be randomized (selected by chance) to either be treated with an investigational inhaled gaseous drug (in 99.5% nitrogen) that is mixed with room air or breathe 100% nitrogen that is mixed with room air. If you are randomized to the investigational treatment, we are asking you to breathe in a gas called "nitric oxide". Participation in the study will take about 43 days