Please assess the completion status of the following clinical trial:

Trial Title: Chronic Graft-versus-host Disease (cGvHD) Prophylaxis With or Without ATG Prior to Stem Cell Transplantation (SCT) From HLA-identical Siblings in Patients With Acute Leukemia

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

Eligibility Criteria:
Inclusion Criteria:~* Acute myeloid leukemia in first or subsequent complete remission (de-novo or secondary AML)~* Acute lymphoblastic leukemia in first or subsequent complete remission~* Patient's age: 18 - 65 years~* Myeloablative standard conditioning~* HLA-identical sibling (HLA-A, HLA-B, HLA-DRB1 and HLA-DQB1)~* No major organ dysfunctions~* Patient's written consent~Exclusion Criteria:~* No complete remission at time of randomization~* Severe irreversible renal, hepatic, pulmonary or cardiac disease, such as~  * Total bilirubin, SGPT or SGOT 5 times upper the normal level~ * left ventricular ejection fraction \<30%~ * Creatinine clearance \<30 ml/min~ * DLCO \<35% and/or receiving supplementary continuous oxygen~* Positive serology for HIV~* Pregnant or lactating women~* Serious psychiatric or psychological disorders~* Progressive invasive fungal infection at time of registration

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- A (Type: OTHER): Hematopoeitic Stem Cell Transplantation from HLA-identical sibling, RECEIVING ATG in conditioning regimen
- B (Type: OTHER): Hematopoeitic Stem Cell Transplantation from HLA-identical sibling, NOT RECEIVING ATG in conditioning regimen

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