Please assess the completion status of the following clinical trial:

Trial Title: The Combination of ATRA and High-dose Dexamethasone as First-line Treatment in Adult Immune Thrombocytopenia

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

Eligibility Criteria:
Inclusion Criteria:~1. Confirmed newly-diagnosed, treatment-naive ITP;~2. Platelet counts \<30×109/L ;~3. Platelet counts \< 50×109/L and significant bleeding symptoms (WHO bleeding scale 2 or above);~4. Willing and able to sign written informed consent.~Exclusion Criteria:~1. Received chemotherapy or anticoagulants or other drugs affecting the platelet counts within 6 months before the screening visit;~2. Received first-line and second-line ITP-specific treatments (eg, steriods, cyclophosphamide, 6-mercaptopurine, vincristine, vinblastine, etc) ;~3. Current HIV infection or hepatitis B virus or hepatitis C virus infections;~4. Active infection;~5. Maligancy;~6. Severe medical condition (lung, hepatic or renal disorder) other than chronic ITP. Unstable or uncontrolled disease or condition related to or impacting cardiac function (e.g., unstable angina, congestive heart failure, uncontrolled hypertension or cardiac arrhythmia);~7. Female patients who are nursing or pregnant, who may be pregnant, or who contemplate pregnancy during the study period; a history of clinically significant adverse reactions to previous corticosteroid therapy~8. Have a known diagnosis of other autoimmune diseases, established in the medical history and laboratory findings with positive results for the determination of antinuclear antibodies, anti-cardiolipin antibodies, lupus anticoagulant or direct Coombs test;~9. Patients who are deemed unsuitable for the study by the investigator.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- ATRA and HD-DXM (Type: EXPERIMENTAL): Dexamethasone 40 mg per day, 4 consecutive days (the 4-day course of dexamethasone was repeated in the case of lack of response by day 10) and ATRA 10mg bid po, 12 consecutive weeks
- HD-DXM (Type: ACTIVE_COMPARATOR): Dexamethasone 40 mg per day, 4 consecutive days (the 4-day course of dexamethasone was repeated in the case of lack of response by day 10)

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