Please assess the completion status of the following clinical trial:

Trial Title: A Clinical Study in Patients With Overactive Bladder With Leakage of Urine, to Find Out if the Medicine, Fesoterodine, Works in Those Patients Who Did Not Have Enough Response to the Medicine, Tolterodine.

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of overactive bladder with symptoms for at least 6 months.~* Moderate to severe incontinence episode frequency and subsequent sub-optimal response to tolterodine~* Women of child-bearing potential must not intend to become pregnant, be pregnant or producing breast milk at the time of study entry, and must use contraception~Exclusion Criteria:~* Conditions or prior treatment that may also affect bladder function~* Clinically significant urinary tract infection (UTI)~* Ongoing treatment with overactive bladder medications (these can be stopped at the first visit to allow entry into the study).

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

Study Arms:
- Fesoterodine (Type: EXPERIMENTAL): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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