Please assess the completion status of the following clinical trial:

Trial Title: Histamine and Bone Pain Association in Participants With Breast Cancer Metastatic in the Bone

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Breast cancer patients with radiographic evidence of bone metastases (by plain film, computed tomography \[CT\], magnetic resonance imaging \[MRI\], positron emission tomography \[PET\] or bone scan) within 8 weeks of registration~  * Weight bearing sites: pelvis (excluding pubis), femur, sacrum and/or sacroiliac joints, tibia, up to 5 consecutive cervical, thoracic or lumbar vertebral bodies, lumbosacral spine~ * Non-weight bearing sites: up to 3 consecutive ribs, humerus, fibula, radius +/- ulna, clavicle, sternum, scapula, pubis~* Patients with and without pain related to the radiographically documented metastases are eligible for study~* Ability to understand and the willingness to sign an Institutional Review Board (IRB)-approved informed consent document~Exclusion Criteria:~* Pregnant women will be excluded

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

Study Arms:
- Ancillary-Correlative (biospecimen collection) (Type: None): Participants undergo collection of blood samples for histamine level analysis via ELISA.

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