Please assess the completion status of the following clinical trial:

Trial Title: Vitamin B12 for Aromatase Inhibitors Musculoskeletal Symptoms

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

Eligibility Criteria:
Inclusion Criteria:~* Sign informed consent and Pain level \> 4 in the BPI scale,~* Stage I-III~Exclusion Criteria:~* \<18 yrs~* Stage IV~* BPI Score \<4~* Zubrod score \>2

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

Study Arms:
- Arm I (Type: EXPERIMENTAL): Oral Vitamin B12

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