ICF004

The goal of this clinical trial is to learn about the safety of an inhaled study drug called ICF004 in healthy adults. ICF004 is being created to treat progressive lung scarring in the future. It will also learn how the body handles the drug over time.
The main questions it aims to answer are:
What medical problems or side effects do participants have when taking ICF004? How does the body absorb and metabolize ICF004? Researchers will compare ICF004 to a placebo (a look-alike powder that contains no active drug) to see if ICF004 is safe and well-tolerated.
Participants will:
Breathe in a single dose or multiple doses of ICF004 or a placebo using a dry powder inhaler; Stay at or visit the study clinic for checkups and tests; Give blood samples so researchers can measure the amount of drug in their blood.