Please assess the completion status of the following clinical trial:

Trial Title: Effect of Passive Ultrasonic Irrigation on the Reduction of Bacteria and Endotoxins in Root Canals

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

Eligibility Criteria:
Inclusion Criteria:~* Teeth with necrotic pulps and asymptomatic apical periodontitis~Exclusion Criteria:~* patients who had received antibiotics during the previous 3 months or had any general disease,~* teeth that could not be properly isolated with rubber dam,~* non-restored teeth,~* periodontal pockets depths greater than 4 mm,~* previous endodontic treatment,~* open apex,~* crown/root fracture~* root resorption or calcifications.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Passive Ultrasonic Irrigation Protocol (Type: EXPERIMENTAL): ultrasonic activation of antimicrobial solutions
- Non-Ultrasonic Irrigation Protocol (Type: ACTIVE_COMPARATOR): no-activation of antimicrobial solutions

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