Please assess the completion status of the following clinical trial:

Trial Title: Seasonal Allergic Rhinitis and Driving Ability

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* outpatients with seasonal allergic rhinitis~* a valid driver's licence~* written informed consent~* a T5SS score \>8 during the allergic season and \<3 in winter~Exclusion Criteria:~* use of medication or medical conditions that are known to affect driving ability~* associated ENT disease or asthma

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

Study Arms:
- A (Type: EXPERIMENTAL): 1 week of treatment discontinuation

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