Please assess the completion status of the following clinical trial:

Trial Title: Impact of Tiotropium Add-on Therapy in Patients With Asthma

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients with least one asthma diagnosis in the inpatient setting or at least two separate instances of asthma diagnosis (separated by at least 30 days) recorded in the outpatient or emergency room setting will be included.~* Patients will be required to be already on Inhaled Corticosteroid/Long-acting beta-agonist (ICS/LABA).~* Patients will be required to have available records 12 months prior to the index date.~Exclusion Criteria:~* Patients below the age of 6 years on the Inhaled Corticosteroid/Long-acting beta-agonist initiation (ICS/LABAi) date will be excluded.~* Patients with a diagnosis of COPD at any time during the study period will be excluded.~* Those who are on biologics at baseline will be removed.~* After the PSM process, unmatched patients will be excluded.

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

Study Arms:
- Patients with Asthma (Type: None): None

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