Please assess the completion status of the following clinical trial:

Trial Title: The Effect of Ribose on B-Type Natriuretic Peptide (BNP) Levels in Congestive Heart Failure Patients

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

Eligibility Criteria:
Inclusion Criteria:~* Symptomatic adults, M/F, between 18 and 80 years of age~* BNP levels equal to or greater than 300 pg/ml.~* Primary or secondary diagnosis of congestive heart failure at the time of admission (any NYHA Class)~* Diagnosis of congestive heart failure for at least 3 months~* Able to perform 6 minute hall walk~* No therapeutic pharmaceutical class changes for at least 1 month~* Provide informed consent~* A 30-day washout period must be achieved for any patient involved in a previous clinical study.~Exclusion~* Insulin dependent diabetes (Type I)~* History of obstructive valvular disease~* History of pulmonary hypertension within the last 3 months~* History of hypertrophic or alcoholic cardiomyopathy~* History of restrictive cardiomyopathy~* History of reversible cardiomyopathy~* History of non-compliance~* Pregnancy~* Current enrollment in any other clinical study

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

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