Please assess the completion status of the following clinical trial:

Trial Title: Immunotherapy Administered Under the Tongue to Treat Dust Mite Allergy

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

Eligibility Criteria:
Inclusion Criteria:~* House dust mite-induced allergic rhinitis/mild intermittent asthma~Exclusion Criteria:~* Use of previous allergy immunotherapy for house dust mite asthma~* Pregnancy or breastfeeding

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

Study Arms:
- Low dose SLIT (Type: ACTIVE_COMPARATOR): Low dose SLIT
- High dose SLIT (Type: ACTIVE_COMPARATOR): High dose SLIT
- Placebo (Type: PLACEBO_COMPARATOR): Placebo

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