Please assess the completion status of the following clinical trial:

Trial Title: A Study of the Effects of Single Dose Corticosteroids on Response to Allergens

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Patient is allergic to Timothy grass pollen~* Female patients have a negative pregnancy test and agree to use birth control throughout the study~* Male patients agree to use birth control throughout the study~* Patient has been a nonsmoker for at least 6 months~* Patient agrees to avoid the use of aspirin and other Non-steroidal anti-inflammatory drugs (NSAIDs) throughout study~Exclusion Criteria:~* Patient is breastfeeding~* Patient has any respiratory disease other than mild stable asthma that does not require treatment~* Patient consumes more than 3 alcoholic beverages per day~* Patient consumes more than 6 caffeinated beverages per day~* Patient has had major surgery or has donated or lost 1 unit of blood within 4 weeks of screening~* Patient has severe allergies

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 55 Years
- Healthy Volunteers: f

Study Arms:
- A (Type: PLACEBO_COMPARATOR): placebo
- B (Type: ACTIVE_COMPARATOR): 10 mg prednisone
- C (Type: ACTIVE_COMPARATOR): 25 mg prednisone

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