Please assess the completion status of the following clinical trial:

Trial Title: Pediatric Ethanol Lock Therapy Study.

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

Eligibility Criteria:
Inclusion criteria:~* patients with central venous access and a history of three or more CRBSI in the prior 6 months~* age greater than 6 months~* anticipation for the need for continued central venous access over the next 7 months~* availability to come for a monthly study visit~* anticipation that the patient will receive medical care at Children's Hospital of Pittsburgh for the majority of the CRBSI which occur during the next 7 months and the ability to lock the central venous catheter for a minimum of 4 hours per day~Exclusion criteria:~* age less than 6 months and greater than or equal to 21 years~* known immunodeficiency (with the exception of immunosuppression in a patient after organ transplantation)~* known allergy or intolerance to ethanol or heparin lock therapy

- Gender: ALL
- Minimum Age: 6 Months
- Maximum Age: 21 Years
- Healthy Volunteers: f

Study Arms:
- Group 1 (Type: EXPERIMENTAL): 25% ethanol for 12 weeks; wash out period for 4 weeks; heparin lock for 12 weeks
- Group 2 (Type: EXPERIMENTAL): heparin lock for 12 weeks; wash out period for 4 weeks; 25% ethanol lock for 12 weeks

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