Please assess the completion status of the following clinical trial:

Trial Title: Two Different Antibiotic Agents to Treat Generalized Aggressive Periodontitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. diagnosis of GAgP (AAP, 1999);~2. presence of ≥20 teeth;~3. presence of ≥ 6 sites presenting PD ≥ 5mm with bleeding on probing (BOP) and ≥2 sites with PD ≥7mm (including incisors and first molars, in addition to other two non-contiguous teeth);~4. good general health;~5. ≤ 35 years old; and~6. agree to participate in the study and sign a written informed consent. All subjects will be individually informed about the objectives, probable risks and benefits of the protocol treatment (according to Resolution nº196 of October 1996 and to the Professional Code of Dental Ethics - 179/93).~Exclusion Criteria:~1. pregnancy or lactating;~2. suffer from any systemic disease (e.g. cardiovascular disorders, diabetes, blood dyscrasias, immunodeficiency, etc) which could alter the course of periodontal disease;~3. took antimicrobials in the previous 6 months;~4. taking long-term anti-inflammatory drugs;~5. previous periodontal treatment within the last 12 months;~6. smokers.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 35 Years
- Healthy Volunteers: t

Study Arms:
- Amoxicillin and Metronidazole (Type: ACTIVE_COMPARATOR): In this group (n = 23), patients will take Amoxicillin 500 mg tid for 7 days and Metronidazole 400 mg tid for 7 days and full-mouth ultrasonic debridement will be performed to treat diseased sites.
- Clarithromycin (Type: EXPERIMENTAL): In this group (n = 23), patients will take Clarithromycin 500 mg bid for 7 days and full-mouth ultrasonic debridement will be performed to treat diseased sites.

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