Please assess the completion status of the following clinical trial:

Trial Title: Dynamic Hyperinflation and Tiotropium

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Moderately severe COPD patients age 40-85 yr with post 180ug albuterol FEV 1 between 60 and 79% predicted and FEV 1/FVC \< 70%.~* Smoking history \> 10 pack yr.~* Clinically stable X 6 weeks.~* No oxygen usage.~Exclusion Criteria:~* History of asthma~* Clinically unstable~* Any other significant medical problem precluding full cooperation for study

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Tiotropium 18 µg capsule, bronchodilator (Type: ACTIVE_COMPARATOR): tiotropium 18 µg capsule for 1 month versus placebo. To study bronchodilation and effect following metronome paced hyperventilation and induced dynamic hyperinflation of active tiotropium versus placebo
- 2 (Type: PLACEBO_COMPARATOR): placebo 18ug tiotropium for 1 month

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