Please assess the completion status of the following clinical trial:

Trial Title: Intraseasonal Short-time Up-dosing With Alutard SQ Grasses

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

Eligibility Criteria:
Inclusion Criteria:~* history of grass pollen induced allergic rhinoconjunctivitis~* positive skin prick test~Exclusion Criteria:~* uncontrolled severe bronchial asthma~* previous treatment with immunotherapy within the previous 5 years~* contraindication for specific immunotherapy

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

Study Arms:
- Allergy vaccination (Type: ACTIVE_COMPARATOR): Allergy vaccination by 6 subcutaneous injections to 10,000 SQ-U with 1-3 days intervals, continuation by 2 injections with 10,000 SQ-U with 2-4 weeks intervals
- Subcutaneous injections (Type: PLACEBO_COMPARATOR): Placebo injections

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