Study results summary
This study assessed the long-term safety and effectiveness of a combined CFTR modulator treatment TEZ/IVA in people with CF ages 12 and older who had either one or two copies of the F508del CFTR gene variant. The results of this study support the long-term use of TEZ/IVA treatment for people aged 12 years and older with CF who have either one or two copies of the F508del CFTR gene variant.