Please assess the completion status of the following clinical trial:

Trial Title: A Study to Assess Safety and Efficacy of Umbilical Cord-derived Mesenchymal Stromal Cells in Knee Osteoarthritis

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

Eligibility Criteria:
Inclusion Criteria:~* Symptomatic Knee OA, Kellgren and Lawrence grade I, II, III on plain Rx films.~* Chondromalacia patella grade I-III on knee MRI. With or without meniscal tear.~* Stable knee and normal clinical exam of involved extremity~* Written informed consent for patients.~Exclusion Criteria:~* Bilateral symptomatic knee OA~* Local or systemic infection.~* Active neoplasia or immunosuppressive state~* Pregnancy or Breastfeeding~* Body Mass Index ≥ 30~* Presence of Pacemaker or Lower extremity metal implant~* Anticoagulant treatment other than aspirin.~* Recent use of oral (previous month) or intra-articular (previous 3 months) corticosteroids~* Concomitant inflammatory joint disease (cristal, connective tissue disease)~* Valgus (\>10o) or Varus (\>5o) deformity of involved extremity~* Condilar or Tibial plateau Generalized Bone Marrow edema on MRI~* Significant symptomatic hip or spine disease~* Significant abnormality in baseline lab tests

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- Umbilical-cord mesenchymal stromal cells (Type: EXPERIMENTAL): Umbilical-cord mesenchymal stromal cells (UC-MSCs)~Allogeneic UC-MSCs 20 x 10e6 diluted on 3 mL of saline solution + 5% of Plasma AB~Arm 2a: single infusion group. UC-MSCs at 0 month~Arm 2b: double infusion group. UC-MSCs at 0 and 6 months
- Hyaluronic Acid (HA) (Type: ACTIVE_COMPARATOR): Drug: Hyaluronic Acid 3 mL of HA intra-articular injection at baseline and 6 months

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