Please assess the completion status of the following clinical trial:

Trial Title: Safety and Immunogenicity Evaluation After One or Two Doses of Novartis Meningococcal ACWY Conjugate Vaccine in Healthy Infants and Toddlers

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* infants 6 to 8 months old inclusive, who were born after full term pregnancy and previously received three doses of both Prevenar and Infanrix-hexa vaccines at least 30 days before study entry~Exclusion Criteria:~* who previously received any meningococcal vaccine;~* who have had a previous confirmed or suspected disease caused by N. meningitidis, C. diphtheriae, C. tetani, Poliovirus, Hepatitis B, Hib, Pneumococcus or B. pertussis;~* who have had household contact with and/or intimate exposure to an individual with laboratory confirmed N. meningitidis (serogroups A, C, W135, or Y), B. pertussis, Hib, C. diphtheriae, Polio, or pneumococcal infection at any time since birth;~* Subjects with any serious, acute or chronic progressive disease

- Gender: ALL
- Minimum Age: 6 Months
- Maximum Age: 8 Months
- Healthy Volunteers: t

Study Arms:
- MenACWY-CRM197 (2 doses) + Concomitant Vaccines (Type: EXPERIMENTAL): Infants received two doses of MenACWY-CRM197 at 6 to 8 and 12 months of age and concomitant dose of PCV7 (Pneumococcal 7-valent Conjugate Vaccine) and DTPa-IPV-HepB-Hib (Diphtheria-Tetanus-acellular Pertussis, Hepatitis B, Inactivated Poliovirus and Haemophilus influenzae type b) at 12 months.
- MenACWY-CRM197 (1 dose) + Concomitant Vaccines (Type: EXPERIMENTAL): Infants received one dose of MenACWY-CRM197 at 12 months of age and concomitant dose of PCV7 (Pneumococcal 7-valent Conjugate Vaccine) and DTPa-IPV-HepB-Hib (Diphtheria-Tetanus-acellular Pertussis, Hepatitis B, Inactivated Poliovirus and Haemophilus influenzae type b) at 12 months of age.
- MenC (1 dose) + Concomitant Vaccines (Type: ACTIVE_COMPARATOR): Infants received one dose of MenC vaccine at 12 months of age and concomitant dose of PCV7 (Pneumococcal 7-valent Conjugate Vaccine) and DTPa-IPV-HepB-Hib (Diphtheria-Tetanus-acellular Pertussis, Hepatitis B, Inactivated Poliovirus and Haemophilus influenzae type b) at 12 months of age.

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