Please assess the completion status of the following clinical trial:

Trial Title: The Effect of Oral Niacinamide on Plasma Phosphorus Levels in Peritoneal Dialysis Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1/PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age \> 18 years~* Capable of giving informed consent~* Duration of peritoneal dialysis \> 3 months~* Dose of phosphate binder(s) stable over previous 2 week period~* Plasma phosphours \> 4.9 mg/dL based on most recent laboratory data within 1 month of enrollment~Exclusion Criteria:~* Pregnancy~* Known liver disease~* Active peptic ulcer disease~* Treatment with carbamazepine~* Intolerance to niacinamide or niacin~* Current medication regimen including niacin or niacinamide \> 100 mg daily~* Planned or expected surgical procedure in the next 4 months~* Patients in nursing home 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: None

Study Arms:
- 1 (Type: EXPERIMENTAL): Niacinamide starting at 250 mg twice daily titrated up to 750 mg twice daily
- 2 (Type: PLACEBO_COMPARATOR): Placebo

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