Please assess the completion status of the following clinical trial:

Trial Title: Sensitivity of New Exercise Tests in Chronic Obstructive Pulmonary Disease (COPD)

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

Eligibility Criteria:
Inclusion Criteria:~* age \> 50 years~* smoking history \> 10 packs/year~* post-bronchodilator FEV1 between 30 and 80% predicted and FEV1/FVC \< 70% as assessed in previous pulmonary function test (GOLD stage II and III)~Exclusion Criteria:~* respiratory exacerbation within the preceding 2 months~* history of asthma~* significant O2 desaturation (SaO2 \< 85%) at rest or during exercise~* presence of another pathology that could influence exercise tolerance

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- ipratropium bromide (Type: ACTIVE_COMPARATOR): acute bronchodilation: ipratropium bromide
- placebo (Type: PLACEBO_COMPARATOR): placebo nebulization

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