Please assess the completion status of the following clinical trial:

Trial Title: Immunological Comparison of AIT and SCIT Immunotherapy Against Grass Pollen

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

Eligibility Criteria:
Inclusion Criteria:~* history of rhinitis with hay fever symptoms during the grass pollen season,~* a skin-prick-test-verified grass pollen allergy (Phleum pratense),~* eligibility for immunotherapy based on ARIA guidelines~Exclusion Criteria:~* current long-term systemic steroid treatment,~* previous immunotherapy,~* asthma and outside-season airway hyperresponsiveness (AHR) (September 2011),~* pregnancy,~* negative RAST for grass, and~* treatment side effect

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

Study Arms:
- Control group (Type: NO_INTERVENTION): None
- Subcutaneous Immunotherapy (SCIT) (Type: ACTIVE_COMPARATOR): Treatment using ALK AluTard 225 Phleum pratense
- Sublingual Allergen Immunotherapy Tablets (AIT) (Type: ACTIVE_COMPARATOR): Treatment using ALK Grazax 75,000 SQ-T Phleum pratense

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