Please assess the completion status of the following clinical trial:

Trial Title: Controlled Trial of Chinese Herbal Medicine to Treat Allergic Rhinitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE1/PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria of the participants are:~1. Nursing students in a full-time bachelor degree program in School of Nursing at The University under study;~2. They are diagnosed by Western medicine and/or TCM practitioner with allergic rhinitis, including those seasonal or perennial one for at least two years;~3. They have a body constitution of Cold and Yang-Deficiency, according to the TCM assessment;~4. They are aged 18 or above and able to speak Cantonese and/or Mandarin; and~5. They can understand written Chinese language, particularly the questionnaires used.~Exclusion Criteria of these students include those who have:~1. A body constitution pattern of Hot and/or Yin-Deficiency, according to the TCM assessment;~2. Currently been taking long-term medications such as anti-hypertensive and psychiatric drugs;~3. Known medical history of co-morbidity of a recent acute and/or chronic disease such as heart, liver and lung disease, cancer, and/or mental illness;~4. Recently undergone major operation(s), are receiving chemotherapy and radiotherapy, or are going to be admitted into hospital over the study period; and~5. Known allergy history of Chinese herbal medicine .

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 30 Years
- Healthy Volunteers: f

Study Arms:
- Cure-Allergic Rhinitis Syrup (Type: EXPERIMENTAL): In syrup form, 20 ml once daily for 4 weeks
- Yu-ping-fung San (Type: ACTIVE_COMPARATOR): In syrup form, 20ml once daily for 4 weeks
- Placebo group (Type: PLACEBO_COMPARATOR): In syrup form (wheat powder with ginger and flavors), 20 ml once daily for 4 weeks

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