Please assess the completion status of the following clinical trial:

Trial Title: The Effect of Oral Niacinamide on Serum Phosphorus Levels in Hemodialysis Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~1. Age \> 18 years~2. Capable of giving informed consent~3. Duration of chronic hemodialysis \> 90 days~4. Dose of phosphorus binder(s) stable over previous 2 week period~5. Serum Phosphorus \> 4.9 mg/dL based on most recent laboratory data within 1 month of enrollment~Exclusion Criteria:~1. Pregnancy~2. Known liver disease~3. Active peptic ulcer disease~4. Treatment with carbamazepine~5. Intolerance to niacinamide~6. Current medication regimen including niacin or niacinamide-containing vitamins~7. More than 1 missed hemodialysis session in the last 30 days~8. Planned or expected surgical procedure in the next 4 months~9. Patients in nursing homes or extended care facilities where administration of the study drug may not be appropriately given

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

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