Please assess the completion status of the following clinical trial:

Trial Title: Comparison of Immunization Schedules of Inactivated Hepatitis A Vaccine and Combined Hepatitis A and Hepatitis B Vaccine

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Healthy infants between 18 and 24 months old;~* Have not received hepatitis A vaccine before;~* Completed hepatitis B vaccine full immunization schedule;~* Written consent of the guardian of each participant;~Exclusion Criteria of the First Injection:~* History of allergy to vaccine(s), or history of serious adverse reaction to vaccination, such as urticaria, dyspnea, angioneurotic edema, or abdominal pain;~* Autoimmune disease or immunodeficiency;~* Any acute disease that made the conditions of the person unsuitable for vaccination~* Administration of any live attenuated vaccine within 14 days prior to the injection;~* Administration of any subunit vaccine or inactivated vaccine within 7 days prior to the injection;~* Administration of treatment of immunosuppressants (e.g., corticosteroid) within 1 month prior to the injection, or planning for such treatment during this study;~* Body temperature \> 37.0 °C before injection;~* Based on the evaluation of the investigator, there was any other factor that indicating the person was unsuitable for this study;~Exclusion Criteria of the Second Injection:~* Any acute infectious disease, body temperature \> 38.5 °C or acute attacks of chronic diseases within 3 days prior to the second injection;~* Administration of blood product or other investigational drug during this study;~* Occurrence of adverse event at grade 3 or higher and the event was related to the first injection;~* The investigator or the Ethic Committee decided that the subject should be excluded;

- Gender: ALL
- Minimum Age: 18 Months
- Maximum Age: 24 Months
- Healthy Volunteers: t

Study Arms:
- Group 1 (HAV + HAV) (Type: EXPERIMENTAL): Intervention: Inactivated Hepatitis A vaccine (HAV);~Subjects in this group each received 2 doses of inactivated HAV with a 6-month interval (day 0, month 6);~Route of administration: intramuscular injection in deltoid region;
- Group 2 (HAV + HABV) (Type: EXPERIMENTAL): Intervention: Inactivated Hepatitis A vaccine (HAV) and Combined hepatitis A and hepatitis B vaccine (HABV);~Subjects in this group each received 1 dose of inactivated HAV at day 0, and 1 dose of HABV at month 6.~Route of administration: intramuscular injection in deltoid region;
- Group 3 (HABV + HABV) (Type: EXPERIMENTAL): Intervention: Combined hepatitis A and hepatitis B vaccine (HABV);~Subjects in this group each received 2 doses of HABV with a 6-month interval (day 0, month 6);~Route of administration: intramuscular injection in deltoid region;

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