Please assess the completion status of the following clinical trial:

Trial Title: A Study of VX-659 Combination Therapy in CF Subjects Homozygous for F508del (F/F)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Key Inclusion Criteria:~* Homozygous for the F508del mutation (F/F)~* Forced expiratory volume in 1 second (FEV1) value ≥40% and ≤90% of predicted mean for age, sex, and height~Key Exclusion Criteria:~* Clinically significant cirrhosis with or without portal hypertension~* Lung infection with organisms associated with a more rapid decline in pulmonary status~* Solid organ or hematological transplantation~Other protocol defined Inclusion/Exclusion criteria may apply

- Gender: ALL
- Minimum Age: 12 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- TEZ/IVA (Type: ACTIVE_COMPARATOR): Following a run-in period of 4 weeks with Tezacaftor (TEZ)/Ivacaftor (IVA), participants received TEZ 100 milligram (mg)/IVA 150 mg as fixed-dose combination (FDC) tablet in the morning and IVA 150 mg as mono tablet in the evening for 4 weeks in the triple combination (TC) treatment period.
- VX-659/TEZ/IVA TC (Type: EXPERIMENTAL): Following a run-in period of 4 weeks with TEZ/IVA, participants received VX-659 240 mg/TEZ 100 mg/IVA 150 mg as FDC tablets in the morning and IVA 150 mg as mono tablet in the evening for 4 weeks in the TC treatment period.

Based on this trial design, predict the completion outcome and termination type (if applicable).