ALX-009-CL-038

Randomized, double-blind, placebo-controlled study of the safety, tolerability and pharmacokinetics after single ascending doses or multiple ascending doses of hypothiocyanite (OSCN-), / bovine Lactoferrin (bLF), or their combination (ALX-009) in healthy male volunteers and patients suffering from cystic fibrosis (CF) and non-CF bronchiectasis (NCFBE).

ALX-009 is composed of hypothiocyanite ion (OSCN-) and lactoferrin, two substances that are naturally occurring components of the immune system in the lungs but are lacking in CF patients’ lungs. It has been demonstrated in vitro that OSCN- and lactoferrin are capable of killing all tested Gram(-) bacteria, including bad bugs resistant to available antibiotics. This clinical trial is split into four parts. People with CF or bronchiectasis are planned to be enrolled in the fourth part, the main purpose of which is to assess the safety of ALX-009 after repeated administration of increasing doses. The doses will be chosen on the basis of the results obtained from the previous parts of the study in healthy volunteers. The study takes place over approximately 5 weeks including one screening visit, a treatment period of 7 consecutive days, twice daily and a final study visit.