ongoing trials trial from www.clinicaltrials.gov A Phase 3, Open-label Study Evaluating the Long-term Safety and Efficacy of VX-121 Combination Therapy in Subjects With Cystic Fibrosis Year: 2021 Date: October 2021 Author: Source https://www.clinicaltrialsregister.eu/ctr-search/trial/2021-000713-17/NO/ Study design (if review, criteria of inclusion for studies) Interventional - Allocation: Randomized|Intervention Model: Parallel Assignment|Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)|Primary Purpose: Treatment Participants Chronic Pseudomonas Aeruginosa Infection|Cystic Fibrosis - 18 Years and older (Adult, Older Adult) Interventions Drug: BX004-A|Drug: Placebo Outcome measures Safety and tolerability Related topics Antibiotic treatment for stenotrophomonas maltophilia in people with cystic fibrosis Antibiotic treatment of early pseudomonas aeruginosa Antibiotics for pulmonary exacerbations Inhaled antibiotics in cystic fibrosis MRSA eradication in CF Prophylactic use of oral antistaphylococcal antibiotic Scheduled antibiotics every 3-4 months / symptom-based treatment