Please assess the completion status of the following clinical trial:

Trial Title: Effectiveness and Safety of Platelet Rich Plasma (PRP) on Persistent Olfactory Dysfunction Related to COVID-19

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patient chronic olfactory dysfunction lasting more than 6 months after an infection of COVID-19~Exclusion Criteria:~* Patient under 18 years old~* Patient with blood disorder~* Blood thinner user~* Patient with abnormal findings on nasal endoscopy (e.g., polyposis, rhinosinusitis)

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- control group (Type: OTHER): Patient underwent simple olfactive training for one month.
- PRP injected group (Type: EXPERIMENTAL): Patient had one injection in each olfactory cleft.

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