Please assess the completion status of the following clinical trial:

Trial Title: Trazodone and Its Augmentation With Pregabalin in the Treatment of Fibromyalgia

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* patients diagnosed of fibromyalgia according to the American College of Rheumatology criteria~* written, informed consent~* able to understand and comply with the requirements of the study~Exclusion Criteria:~* pregnancy or breastfeeding~* unwillingness to discontinue other prescribed medications before entering in the study~* patients who had previously received trazodone without improvement or who did not tolerate the drug~* patients who had previously received pregabalin without improvement or who did not tolerate the drug (only for the phase II of the study)

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

Study Arms:
- one arm study (Type: EXPERIMENTAL): None

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