Please assess the completion status of the following clinical trial:

Trial Title: Rifaximin for Prevention of Travellers' Diarrhea

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

Eligibility Criteria:
Inclusion Criteria:~1. travelling to Mexico within 72 hours of enrollment~2. read and understand English~3. in good health~Exclusion Criteria:~1. acute diarrhea within previous 7 days~2. taken FQs (any drug in this class), macrolide, azalide, or trimethoprim-sulfamethoxazole within 7 days or enrollment or anytime during study.~3. taken antidiarrheal medication within 24 hours of enrollment or anytime during study.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): Rifaximin
- 2 (Type: PLACEBO_COMPARATOR): Placebo

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