Please assess the completion status of the following clinical trial:

Trial Title: NPC Staged N2-3M0:Adjuvant Chemotherapy or Just Observation After Concurrent Chemoradiation

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. pathologically confirmed untreated NPC patients staged N2-3M0~2. age: 18y - 65y~3. with MRI examinations~4. ECOG≤2~5. with written consent~Exclusion Criteria:~1. without a second cancer~2. pregnancy~3. with other severe diseases(blood,liver ,kidney or heart diseases)~4. could not staged properly~5. without written consent

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

Study Arms:
- Adjuvant chemotherapy with paclitaxel and nedaplatin (Type: EXPERIMENTAL): Patients will receive 3 cycles of adjuvant chemotherapy consisting of paclitaxel and platinum after concurrent chemoradiation
- Observation (Type: NO_INTERVENTION): Patients will be followed up without adjuvant chemotherapy after concurrent chemoradiation

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