Please assess the completion status of the following clinical trial:

Trial Title: Pegfilgrastim as Support to Advanced Breast Cancer Patients Receiving Chemotherapy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
* Advanced breast cancer~* 18 years of age or older~* Patients who will be receiving Taxotere (docetaxel) chemotherapy

- Gender: None
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Placebo (Type: PLACEBO_COMPARATOR): Breast cancer patients receiving docetaxel chemotherapy and placebo.
- Pegfilgrastim (Type: EXPERIMENTAL): Breast cancer patients receiving docetaxel chemotherapy and pegfilgrastim.

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