The ECFS-CTN cannot guarantee that the information provided here is comprehensive. Please go to the ClinicalTrials.gov link for detailed and up-to-date information on study background, eligibility criteria, study design, outcome measures, study status, participating sites, sponsor contact information and timelines.

You can also contact the CTN coordinating centre for additional information: ECFS-CTN@uzleuven.be (link sends e-mail)

Study Name on
ClinicalTrials.gov (link is external)
Study of GLPG1837 in Subjects With Cystic Fibrosis (G551D Mutation) (SAPHIRA1)
Study DrugGLPG1837
Type of Study DrugCFTR Modulation
Study TitleA Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study to Evaluate the Efficacy, Safety, and Tolerability of CTX-4430 Administered Orally Once-Daily for 48 Weeks in Adult Patients With Cystic Fibrosis
Study Phase2a
Study SponsorGalapagos NV

Link on
clinicaltrials.gov (link is external)

https://clinicaltrials.gov/ct2/show/NCT02707562 (link is external)

Participating ECFS-CTN sitesPlease contact ecfs-ctn@uzleuven.be for most recent sitelist
Age18 Years and Older