Please assess the completion status of the following clinical trial:

Trial Title: Non-surgical Step 3 Periodontal Treatment With/Without Adjunctive Protocol - Pilot RCT.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* systemically healthy individuals, smokers and non-smokers, HbA1c \<7.5%, compliant and adhering to systematic periodontal treatment protocol incl. SPT visits, patients willing to complete a 9-month post-op observation period~Exclusion Criteria:~* rheumatoid arthritis, HbA1c ≥7.5%, treatment of periodontitis within past 12 months, use of systemic antibiotics in past 6 months, pregnant and lactating individuals

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 80 Years
- Healthy Volunteers: t

Study Arms:
- Group A (Type: EXPERIMENTAL): Test arm, patients undergo subgingival instrumentation of residual active site together with an adjunctive treatment protocol.
- Group B (Type: PLACEBO_COMPARATOR): Control arm, patients undergo subgingival instrumentation of residual active site only.

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