Please assess the completion status of the following clinical trial:

Trial Title: Haploidentical Stem Cell Transplantation and IL-15 NK Cell Infusion for Paediatric Refractory Solid Tumours

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1/PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Age 6 months to 22 years.~* Histological solid tumor confirmation.~* Measurable solid tumor by image or molecular techniques.~* Solid tumors that have failed to at least 2 chemotherapy protocols.~* Suitable haploidentical donor available.~* Lansky score \> 60%.~Exclusion Criteria:~* Serum bilirubin \> 3 mg/dl~* GFR \< 40 ml/min/1.73 mw~* Cardiac left ventricular ejection fraction \< 40%~* HIV+~* Pregnant~* Unfavorable psycho-social report.~* Antecedent of abandonment treatment.

- Gender: ALL
- Minimum Age: 6 Months
- Maximum Age: 22 Years
- Healthy Volunteers: f

Study Arms:
- IL-15 STIMULATED NK CELLS (Type: EXPERIMENTAL): None

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