Please assess the completion status of the following clinical trial:

Trial Title: Long Term Effect of Buspirone on Esophageal Function and Esophageal Symptoms in Patients With Systematic Sclerosis (SSc)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: EARLY_PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* SSc patients with esophageal symptoms~Exclusion Criteria:~* none

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- buspirone (Type: EXPERIMENTAL): 4-weeks buspirone administration (20mg) in patients with SSc and esophageal involvement

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