Please assess the completion status of the following clinical trial:

Trial Title: Popliteal Block for Postoperative Pain in Knee-ankle Soft Tissue Surgery in Cerebral Palsy

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

Eligibility Criteria:
Inclusion Criteria:~* Children with cerebral palsy~* Scheduled for knee and ankle surgery~Exclusion Criteria:~* Autonomic neuropathy~* Medication with anticholinergic drugs~* Continuous infusion of vasoactive drugs

- Gender: ALL
- Minimum Age: 3 Years
- Maximum Age: 15 Years
- Healthy Volunteers: f

Study Arms:
- popliteal block (Type: ACTIVE_COMPARATOR): Popliteal block will be performed with a single dose of 0.3 ml·kg(-1) of 0.25% bupivacaine.
- Plaster cover (Type: SHAM_COMPARATOR): Only plaster cover will be applied without nerve block for sham procedure.

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