Please assess the completion status of the following clinical trial:

Trial Title: Molecular and Cellular Mechanism in Rhinitis Allergic Patients Treated With GRAZAX®

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

Eligibility Criteria:
Inclusion Criteria:~* Written informed consent obtained before entering the trial.~* Male and female 18-65 years of age.~* A clinical history of relevant rhinitis or rhinoconjunctivitis (with/without concurrent asthma) to grass pollen of at least one year prior to trial entry.~* Documented positive specific IgE against grass pollen (IgE ≥ Class 2) into the 5 previous years.~* Positive Skin Prick Test response (wheal diameter ≥ 3 mm) to Phleum pratense.~* Negative pregnancy test for childbearing potential females.~* Willing and able to comply with the trial protocol regimen.~Exclusion Criteria:~* Previous treatment by immunotherapy with grass allergen extracts.~* A clinical history of symptomatic perennial allergic rhinitis or asthma.~* Patients with contraindications for immunotherapy as established by the IT subcommittee of the EAACI or in the Summary of Products Characteristics of GRAZAX®.~* Positive pregnancy test (in fertile females).~* Being immediate family of the investigator or trial staff.~* A mental condition rendering the subject unable to understand the nature, scope and possible consequences of the trial, and/or evidence of an uncooperative attitude.~* Unlikely to be able to complete the trial, for any reason, or likely to move, or travel for extended periods of time during the trial period.~* Use of an investigational drug within 30 days or 5 half-lives, whichever is longest, prior to screening.

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

Study Arms:
- GRAZAX (Type: EXPERIMENTAL): GRAZAX

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