Please assess the completion status of the following clinical trial:

Trial Title: Locally Delivered Metformin and Aloe Vera for Treatment of Intrabody Defects in Chronic Periodontitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE2/PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~Systemically healthy patients with sites showing PPD ≥ 5 mm, CAL ≥ 4 mm and vertical bone loss ≥ 3 mm on intraoral periapical radiographs, with no history of periodontal therapy in the last 6 months.~-~Exclusion Criteria:~* Subjects allergic to MF or AV Those on systemic MF or AV therapy Subjects with aggressive periodontitis Immunocompromised subjects Use of tobacco in any form, alcoholics Lactating, and pregnant females

- Gender: ALL
- Minimum Age: 25 Years
- Maximum Age: 50 Years
- Healthy Volunteers: t

Study Arms:
- Group 1 (Type: PLACEBO_COMPARATOR): Placebo gel without active ingredient to be delivered at baseline, 6 and 12 months.
- Group 2 (Type: ACTIVE_COMPARATOR): Aloe vera gel to be delivered at baseline, 6 and 12 months.
- Group 3 (Type: ACTIVE_COMPARATOR): 1% metformin gel to be delivered at baseline, 6 and 12 months.

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