Please assess the completion status of the following clinical trial:

Trial Title: Collaborative Italian-American Clinical Trial of Nutritional Supplements and Age-related Cataract (CTNS)

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:
Inclusion Criteria:~* Clinical and photographic diagnosis of early or no age-related cataract~* Participants with early cataract must have at least one eligible eye with VA score 20/32 or better~* Participants with no cataract must have VA score 20/32 or better in both eyes.~Exclusion Criteria:~* Advanced cataract~* Bilateral aphakia or pseudophakia~* Any ocular disease or condition that might complicate the future evaluation of cataract~* Regular use of nutritional supplements~* Failure to take at least 75% of run-in medication~* Cancer with evidence of recurrence in the past 5 years~* Major cerebral or cardiovascular events in past 12 months~* Current participation to other clinical trials~* Any condition likely to prevent adherence to CTNS follow-up schedule

- Gender: ALL
- Minimum Age: 55 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- Centrum (Type: EXPERIMENTAL): multivitamin-mineral supplement. RDA dosage. 1 tablet a day for the whole study duration.
- placebo (Type: PLACEBO_COMPARATOR): placebo pills. One tablet a day for the whole study duration.

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