Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Curcumin Gel Combined With Non-surgical Periodontal Therapy on Salivary Procalcitonin Level in the Treatment of Periodontitis Patients

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

Eligibility Criteria:
Inclusion Criteria:~* inclusion criteria were participants of both sexes, between the ages of thirty and fifty -five years old with periodontitis (stage II grade A).~Exclusion Criteria:~* exclusion criteria involved participants with known systemic diseases, pregnant and lactating patients, tobacco users (smoking /chewing), history of antibiotic and periodontal therapy in the last three months, and participants who weren't compliant with oral hygiene procedures.

- Gender: ALL
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Study group (Type: OTHER): Study group treated with curcumin gel

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